├── .gitignore ├── logos ├── go.png ├── ruby.png ├── fsharp.png ├── scala.png ├── CalicoLogo.gif ├── lua-256x256.png ├── haskell.svg ├── erlang-logo.svg ├── julia.svg ├── ocaml.svg └── python-logo-generic.svg ├── images ├── horse.jpg ├── next.jpg ├── pdp12.jpg ├── computer.png ├── ipython-oos.png ├── ipython-uni.png └── nextstation.jpg ├── presentation.odp ├── lang_nbservers.sh ├── Bash.ipynb ├── notebook-as-proxy.html ├── LICENSE ├── README.md ├── R_demo.ipynb ├── IJulia Preview.ipynb ├── underscore-min.js ├── IHaskell.ipynb ├── Frontends.ipynb └── sequence-diagram-min.js /.gitignore: -------------------------------------------------------------------------------- 1 | .ipynb_checkpoints 2 | -------------------------------------------------------------------------------- /logos/go.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/logos/go.png -------------------------------------------------------------------------------- /logos/ruby.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/logos/ruby.png -------------------------------------------------------------------------------- /images/horse.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/images/horse.jpg -------------------------------------------------------------------------------- /images/next.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/images/next.jpg -------------------------------------------------------------------------------- /images/pdp12.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/images/pdp12.jpg -------------------------------------------------------------------------------- /logos/fsharp.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/logos/fsharp.png -------------------------------------------------------------------------------- /logos/scala.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/logos/scala.png -------------------------------------------------------------------------------- /presentation.odp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/presentation.odp -------------------------------------------------------------------------------- /images/computer.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/images/computer.png -------------------------------------------------------------------------------- /images/ipython-oos.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/images/ipython-oos.png -------------------------------------------------------------------------------- /images/ipython-uni.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/images/ipython-uni.png -------------------------------------------------------------------------------- /images/nextstation.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/images/nextstation.jpg -------------------------------------------------------------------------------- /logos/CalicoLogo.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/logos/CalicoLogo.gif -------------------------------------------------------------------------------- /logos/lua-256x256.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ipython/front-to-back/master/logos/lua-256x256.png -------------------------------------------------------------------------------- /lang_nbservers.sh: -------------------------------------------------------------------------------- 1 | # Provide aliases for IPython notebook servers with Julia, R and Haskell 2 | # (Shouldn't be necessary once IPython 3 handles different kernels) 3 | # To use: 4 | # source lang_nbservers.sh 5 | 6 | alias haskellnb='IHaskell notebook --ipython `which ipython` --serve .' 7 | alias julianb='ipython notebook --profile julia' 8 | alias Rnb="ipython notebook --KernelManager.kernel_cmd=\"['R', '-e', 'IRkernel::main(\'{connection_file}\')']\"" 9 | -------------------------------------------------------------------------------- /Bash.ipynb: -------------------------------------------------------------------------------- 1 | { 2 | "metadata": { 3 | "kernelspec": { 4 | "codemirror_mode": "bash", 5 | "display_name": "Bash", 6 | "language": "bash", 7 | "name": "bash" 8 | }, 9 | "name": "", 10 | "signature": "sha256:4738ebb21338cc8c59cb6784c601e7df36ca84ab6387a9f515bf1ff38a69b0ef" 11 | }, 12 | "nbformat": 3, 13 | "nbformat_minor": 0, 14 | "worksheets": [ 15 | { 16 | "cells": [ 17 | { 18 | "cell_type": "code", 19 | "collapsed": false, 20 | "input": [ 21 | "echo \"Hello from bash\"" 22 | ], 23 | "language": "python", 24 | "metadata": {}, 25 | "outputs": [] 26 | }, 27 | { 28 | "cell_type": "code", 29 | "collapsed": false, 30 | "input": [ 31 | "ls" 32 | ], 33 | "language": "python", 34 | "metadata": {}, 35 | "outputs": [] 36 | }, 37 | { 38 | "cell_type": "code", 39 | "collapsed": false, 40 | "input": [ 41 | "man sleep" 42 | ], 43 | "language": "python", 44 | "metadata": {}, 45 | "outputs": [] 46 | }, 47 | { 48 | "cell_type": "code", 49 | "collapsed": false, 50 | "input": [], 51 | "language": "python", 52 | "metadata": {}, 53 | "outputs": [] 54 | } 55 | ], 56 | "metadata": {} 57 | } 58 | ] 59 | } -------------------------------------------------------------------------------- /notebook-as-proxy.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |

Notebook Server as a Proxy ◆◆

11 |
12 | 13 |
14 | 15 | 
16 | title: User browses to localhost:8888/notebooks/example.ipynb
17 | participant js
18 | participant nbs
19 | participant kernel
20 | nbs-->js: ICCP over \nwebsockets
21 | js-->nbs:
22 | nbs-->kernel: ICCP over \nZeroMQ
23 | kernel-->nbs: 
24 | nbs->js: sends example.ipynb\n    (JSON file)
25 | nbs->kernel: starts up the kernel
26 | note over js: parses JSON structure\ncreates JS representation
27 | note left of js: User types "x=1"\nin a cell\nand executes it
28 | js->nbs: Execute "x=42"
29 | js-js: In[*]
30 | nbs->kernel: Execute "x=42"
31 | kernel-kernel: x=42
32 | kernel->nbs: OK, execution count=1
33 | nbs->js: OK, execution count=1
34 | js-js: In[1]
35 |
36 | 37 | note over kernel: x=42 38 | 44 | 51 | 52 | 53 | 54 | 55 | -------------------------------------------------------------------------------- /logos/haskell.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | BSD 3-Clause License 2 | 3 | Copyright (c) 2017, Project Jupyter Contributors 4 | All rights reserved. 5 | 6 | Redistribution and use in source and binary forms, with or without 7 | modification, are permitted provided that the following conditions are met: 8 | 9 | * Redistributions of source code must retain the above copyright notice, this 10 | list of conditions and the following disclaimer. 11 | 12 | * Redistributions in binary form must reproduce the above copyright notice, 13 | this list of conditions and the following disclaimer in the documentation 14 | and/or other materials provided with the distribution. 15 | 16 | * Neither the name of the copyright holder nor the names of its 17 | contributors may be used to endorse or promote products derived from 18 | this software without specific prior written permission. 19 | 20 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 23 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 24 | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 26 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 27 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28 | OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Talk on IPython frontends and backends for [PyData SV 2014](http://pydata.org/sv2014/) 2 | 3 | Paul Ivanov was responsible for the [Protocol and Frontend portion of the 4 | talk](http://nbviewer.ipython.org/github/ipython/front-to-back/blob/master/Frontends.ipynb). 5 | 6 | Thomas Kluyver was responsible for the Kernels and Kernel Spec portion of the 7 | talk. See the 8 | [IJulia](http://nbviewer.ipython.org/github/ipython/front-to-back/blob/master/IJulia%20Preview.ipynb), 9 | the 10 | [IHaskell](http://nbviewer.ipython.org/github/ipython/front-to-back/blob/master/IHaskell.ipynb), 11 | and the [R 12 | language](http://nbviewer.ipython.org/github/ipython/front-to-back/blob/master/R_demo.ipynb) notebooks. 13 | 14 | 15 | # The IPython protocol, frontends and kernels 16 | 17 | May 03 - 2:20 p.m. 18 | 19 | Paul Ivanov, Thomas Kluyver 20 | 21 | A key idea behind the IPython Notebook is decoupling code execution from user 22 | interfaces. IPython relies on a documented JSON protocol, which can be 23 | implemented by different frontends and different kernels. By implementing the 24 | messaging protocol, new frontends gain the ability to communicate with a kernel 25 | regardless of the kernel implementation language. Conversely, new kernels 26 | automatically gain access to the existing client ecosystem. The IPython project 27 | maintains three different frontends, and there are multiple third party 28 | frontends and kernels already in use. We'll describe some important features of 29 | the messaging protocol, before demonstrating some of our alternative frontends, 30 | including vim-ipython and bipython. We'll show kernels that people have written 31 | in other languages, such as Julia and R, and preview the upcoming features that 32 | will expose these alternative kernels in the Notebook user interface. This talk 33 | is proposed jointly by Paul Ivanov and Thomas Kluyver, both core IPython 34 | developers. 35 | 36 | -------------------------------------------------------------------------------- /logos/erlang-logo.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | 8 | 9 | 11 | 14 | 16 | 18 | 21 | 23 | 25 | 27 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /logos/julia.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 20 | 21 | 22 | 30 | 31 | 32 | 36 | 37 | 38 | 42 | 43 | 44 | 56 | 57 | 58 | -------------------------------------------------------------------------------- /R_demo.ipynb: -------------------------------------------------------------------------------- 1 | { 2 | "metadata": { 3 | "kernelspec": { 4 | "codemirror_mode": "R", 5 | "display_name": "R", 6 | "language": "R", 7 | "name": "ir" 8 | }, 9 | "name": "", 10 | "signature": "sha256:769b53de9bc90dc3041db26edc113bb1a72abdd9c76947f292e60f3eefa53f70" 11 | }, 12 | "nbformat": 3, 13 | "nbformat_minor": 0, 14 | "worksheets": [ 15 | { 16 | "cells": [ 17 | { 18 | "cell_type": "heading", 19 | "level": 2, 20 | "metadata": {}, 21 | "source": [ 22 | "Basic operations" 23 | ] 24 | }, 25 | { 26 | "cell_type": "code", 27 | "collapsed": false, 28 | "input": [ 29 | "print(\"Hello world! Love, R in IPython.\")" 30 | ], 31 | "language": "python", 32 | "metadata": {}, 33 | "outputs": [] 34 | }, 35 | { 36 | "cell_type": "code", 37 | "collapsed": false, 38 | "input": [ 39 | "a = 1:78\n", 40 | "a ^ 2" 41 | ], 42 | "language": "python", 43 | "metadata": {}, 44 | "outputs": [] 45 | }, 46 | { 47 | "cell_type": "markdown", 48 | "metadata": {}, 49 | "source": [ 50 | "Plotting works too:" 51 | ] 52 | }, 53 | { 54 | "cell_type": "code", 55 | "collapsed": false, 56 | "input": [ 57 | "x = seq(0, 2*pi, length.out=50)\n", 58 | "plot(x, sin(x))" 59 | ], 60 | "language": "python", 61 | "metadata": {}, 62 | "outputs": [] 63 | }, 64 | { 65 | "cell_type": "markdown", 66 | "metadata": {}, 67 | "source": [ 68 | "No tab completion yet - come and implement it!" 69 | ] 70 | }, 71 | { 72 | "cell_type": "heading", 73 | "level": 2, 74 | "metadata": {}, 75 | "source": [ 76 | "Rich display" 77 | ] 78 | }, 79 | { 80 | "cell_type": "markdown", 81 | "metadata": {}, 82 | "source": [ 83 | "There is a separate `IRdisplay` package with the display API - it will be possible to use the same function calls with `%%R` magics from the IPython kernel.\n", 84 | "\n", 85 | "The plotting example above uses `display_png`." 86 | ] 87 | }, 88 | { 89 | "cell_type": "code", 90 | "collapsed": false, 91 | "input": [ 92 | "library(IRdisplay)\n", 93 | "\n", 94 | "display_html('Repo: takluyver/IRkernel
')" 95 | ], 96 | "language": "python", 97 | "metadata": {}, 98 | "outputs": [] 99 | }, 100 | { 101 | "cell_type": "markdown", 102 | "metadata": {}, 103 | "source": [ 104 | "This is already seeing serious use. Here's a notebook by [Ramnath Vaidyanathan](https://github.com/ramnathv/):" 105 | ] 106 | }, 107 | { 108 | "cell_type": "markdown", 109 | "metadata": {}, 110 | "source": [ 111 | "## Leaflet Routing Machine Plugin\n", 112 | "\n", 113 | "I saw the [following issue](https://github.com/ramnathv/rMaps/issues/45) posted to the [rMaps](http://github.com/ramnathv/rMaps) github repo today.\n", 114 | "\n", 115 | "> I am new to using rMaps and leaflet. I would like to plot the route between two locations. The leaflet routing machine plugin allows us to do this (https://github.com/perliedman/leaflet-routing-machine). I am not quite sure how to use the functions `addAssets()` and `setTemplate()` to be able to use this plugin.\n", 116 | "\n", 117 | "This was a good exercise for me to test whether these newly introduced mechanisms `addAssets` and `setTemplate` would allow one to easily extend the base leaflet binding in [rMaps](http://rmaps.github.io).\n", 118 | "\n", 119 | "Let us start by creating the base map." 120 | ] 121 | }, 122 | { 123 | "cell_type": "code", 124 | "collapsed": false, 125 | "input": [ 126 | "library(rMaps)\n", 127 | "map = Leaflet$new()\n", 128 | "map$setView(c(40.73846, -73.99413), 16)\n", 129 | "map$tileLayer(provider = 'Stamen.TonerLite')" 130 | ], 131 | "language": "python", 132 | "metadata": {}, 133 | "outputs": [] 134 | }, 135 | { 136 | "cell_type": "code", 137 | "collapsed": false, 138 | "input": [ 139 | "display_chart = function(viz){\n", 140 | " y = paste(capture.output(viz$show('iframesrc', cdn = TRUE)), collapse = \"\\n\")\n", 141 | " IRdisplay::display_html(y)\n", 142 | "}" 143 | ], 144 | "language": "python", 145 | "metadata": {}, 146 | "outputs": [] 147 | }, 148 | { 149 | "cell_type": "code", 150 | "collapsed": false, 151 | "input": [ 152 | "display_chart(map)" 153 | ], 154 | "language": "python", 155 | "metadata": {}, 156 | "outputs": [] 157 | }, 158 | { 159 | "cell_type": "markdown", 160 | "metadata": {}, 161 | "source": [ 162 | "We now want to add a route between the following waypoints. I have chosen the data structure to be an unnamed list of vectors, since it converts easily to the JSON structure expected by by routing plugin." 163 | ] 164 | }, 165 | { 166 | "cell_type": "code", 167 | "collapsed": false, 168 | "input": [ 169 | "mywaypoints = list(c(40.74119, -73.9925), c(40.73573, -73.99302))" 170 | ], 171 | "language": "python", 172 | "metadata": {}, 173 | "outputs": [] 174 | }, 175 | { 176 | "cell_type": "markdown", 177 | "metadata": {}, 178 | "source": [ 179 | "In order to use the routing plugin, we first need to add the required js/css assets. I introduced the `addAssets` method in the `dev` version of `rCharts` precisely to serve this need (NOTE: It is currently a little buggy in terms of order in which the assets are specified, but I will take care of that this week)." 180 | ] 181 | }, 182 | { 183 | "cell_type": "code", 184 | "collapsed": false, 185 | "input": [ 186 | "map$addAssets(\n", 187 | " css = \"http://www.liedman.net/leaflet-routing-machine/dist/leaflet-routing-machine.css\",\n", 188 | " jshead = \"http://www.liedman.net/leaflet-routing-machine/dist/leaflet-routing-machine.min.js\"\n", 189 | ")\n", 190 | "\n", 191 | "routingTemplate = \"\n", 192 | " \"\n", 201 | "\n", 202 | "map$setTemplate(\n", 203 | " afterScript = sprintf(routingTemplate, RJSONIO::toJSON(mywaypoints))\n", 204 | ")\n", 205 | "display_chart(map)" 206 | ], 207 | "language": "python", 208 | "metadata": {}, 209 | "outputs": [] 210 | }, 211 | { 212 | "cell_type": "markdown", 213 | "metadata": {}, 214 | "source": [ 215 | "[Original notebook on nbviewer](http://nbviewer.ipython.org/urls/gist.githubusercontent.com/ramnathv/9998388/raw/349d6c6756679610cbb78812911f6b15da56e12f/rmaps_leaflet_routing.ipynb?create=1)" 216 | ] 217 | } 218 | ], 219 | "metadata": {} 220 | } 221 | ] 222 | } -------------------------------------------------------------------------------- /logos/ocaml.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | 8 | 17 | 25 | 34 | 40 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 85 | 86 | 87 | 88 | 89 | 90 | 97 | 98 | 99 | 100 | -------------------------------------------------------------------------------- /IJulia Preview.ipynb: -------------------------------------------------------------------------------- 1 | { 2 | "metadata": { 3 | "kernelspec": { 4 | "codemirror_mode": "julia", 5 | "display_name": "IJulia", 6 | "language": "julia", 7 | "name": "julia" 8 | }, 9 | "language": "Julia", 10 | "name": "", 11 | "signature": "sha256:309e1b3ef2f60d19e040236f4a169ce79ae4add9f10ecad7c3788681b4f7c93f" 12 | }, 13 | "nbformat": 3, 14 | "nbformat_minor": 0, 15 | "worksheets": [ 16 | { 17 | "cells": [ 18 | { 19 | "cell_type": "heading", 20 | "level": 1, 21 | "metadata": {}, 22 | "source": [ 23 | "An IJulia Preview" 24 | ] 25 | }, 26 | { 27 | "cell_type": "markdown", 28 | "metadata": {}, 29 | "source": [ 30 | "This notebook is a preview demo of **IJulia**: a [Julia-language](http://julialang.org/) backend combined with the [IPython](http://ipython.org/) interactive environment. This combination allows you to interact with the Julia language using IPython's powerful [graphical notebook](http://ipython.org/notebook.html), which combines code, formatted text, math, and multimedia in a single document." 31 | ] 32 | }, 33 | { 34 | "cell_type": "heading", 35 | "level": 2, 36 | "metadata": {}, 37 | "source": [ 38 | "Basic Julia interaction" 39 | ] 40 | }, 41 | { 42 | "cell_type": "markdown", 43 | "metadata": {}, 44 | "source": [ 45 | "Basic mathematical expressions work like you expect:" 46 | ] 47 | }, 48 | { 49 | "cell_type": "code", 50 | "collapsed": false, 51 | "input": [ 52 | "1 + sin(3)" 53 | ], 54 | "language": "python", 55 | "metadata": {}, 56 | "outputs": [] 57 | }, 58 | { 59 | "cell_type": "markdown", 60 | "metadata": {}, 61 | "source": [ 62 | "You can define variables, write loops, and execute arbitrary multiline code blocks. Here is an example of an alternating harmonic series $\\sum_{n=1}^\\infty \\frac{(-1)^n}{n}$ from a [Julia tutorial by Homer Reid](http://homerreid.ath.cx/teaching/18.330/JuliaProgramming.shtml#SimplePrograms):" 63 | ] 64 | }, 65 | { 66 | "cell_type": "code", 67 | "collapsed": false, 68 | "input": [ 69 | "s = 0.0\n", 70 | "for n = 1:2:10000\n", 71 | " s += 1/n - 1/(n+1)\n", 72 | "end\n", 73 | "s # an expression on the last line (if it doesn't end with \";\") is printed as \"Out\"" 74 | ], 75 | "language": "python", 76 | "metadata": {}, 77 | "outputs": [] 78 | }, 79 | { 80 | "cell_type": "markdown", 81 | "metadata": {}, 82 | "source": [ 83 | "Previous outputs can be referred to via `Out[`*n*`]`, following the IPython, for example `Out[2]` for the result above. You can also use the shorthand `_2`, or `_` for the previous result, as in IPython. Like in Matlab, `ans` can also be used to refer to the previous result, *even if it was not printed* (when the command ended with `;`).\n", 84 | "\n", 85 | "For example, the harmonic series above should be converging (slowly) to $\\ln 2$, and we can check this:" 86 | ] 87 | }, 88 | { 89 | "cell_type": "code", 90 | "collapsed": false, 91 | "input": [ 92 | "Out[2] - log(2)" 93 | ], 94 | "language": "python", 95 | "metadata": {}, 96 | "outputs": [] 97 | }, 98 | { 99 | "cell_type": "markdown", 100 | "metadata": {}, 101 | "source": [ 102 | "Like Matlab or Scipy + Numpy, Julia has lots of mathematical functions and linear algebra built in. For example, we can define a $500\\times500$ random matrix $R$ and form the positive-definite matrix $R^* R$:" 103 | ] 104 | }, 105 | { 106 | "cell_type": "code", 107 | "collapsed": false, 108 | "input": [ 109 | "R = rand(500,500)\n", 110 | "R' * R" 111 | ], 112 | "language": "python", 113 | "metadata": {}, 114 | "outputs": [] 115 | }, 116 | { 117 | "cell_type": "markdown", 118 | "metadata": {}, 119 | "source": [ 120 | "(Notice that, by default, only a portion of a large matrix is shown. You didn't really want to read $500^2 = 250,000$ numbers, did you?)" 121 | ] 122 | }, 123 | { 124 | "cell_type": "markdown", 125 | "metadata": {}, 126 | "source": [ 127 | "Tab completion and introspection work" 128 | ] 129 | }, 130 | { 131 | "cell_type": "code", 132 | "collapsed": false, 133 | "input": [ 134 | "ran" 135 | ], 136 | "language": "python", 137 | "metadata": {}, 138 | "outputs": [] 139 | }, 140 | { 141 | "cell_type": "heading", 142 | "level": 2, 143 | "metadata": {}, 144 | "source": [ 145 | "Julia\u2013Python interoperability: SciPy and Matplotlib" 146 | ] 147 | }, 148 | { 149 | "cell_type": "markdown", 150 | "metadata": {}, 151 | "source": [ 152 | "Julia can easily and transparently call external Python code using a package called [PyCall](https://github.com/stevengj/PyCall.jl), and to illustrate that capability we will show some examples calling [SciPy](http://www.scipy.org/) and [Matplotlib](http://matplotlib.org/) from Julia.\n", 153 | "\n", 154 | "For example, we can use the [Newton solver in scipy.optimize](http://docs.scipy.org/doc/scipy/reference/generated/scipy.optimize.newton.html) to solve a transcendental equation $\\cos(x) - x = 0$ given a *Julia* function:" 155 | ] 156 | }, 157 | { 158 | "cell_type": "code", 159 | "collapsed": false, 160 | "input": [ 161 | "using PyCall\n", 162 | "@pyimport scipy.optimize as so\n", 163 | "so.newton(x -> cos(x) - x, 1)" 164 | ], 165 | "language": "python", 166 | "metadata": {}, 167 | "outputs": [] 168 | }, 169 | { 170 | "cell_type": "markdown", 171 | "metadata": {}, 172 | "source": [ 173 | "We can use the same `@pyimport` syntax to import Matplotlib (specifically, the `matplotlib.pyplot` module), but to integrate Matplotlib's graphics with the IJulia display requires a little more work. To simplify this, we've created a [PyPlot module](https://github.com/stevengj/PyPlot.jl) for Julia:" 174 | ] 175 | }, 176 | { 177 | "cell_type": "code", 178 | "collapsed": false, 179 | "input": [ 180 | "using PyPlot\n", 181 | "x = linspace(0,2*pi,1000)\n", 182 | "y = sin(3*x + 4*cos(2*x))\n", 183 | "plot(x, y, color=\"red\", linewidth=2.0, linestyle=\"--\")\n", 184 | "ylabel(\"the y axis\")\n", 185 | "xlabel(\"the x axis\")\n", 186 | "title(\"a sinusoidally-modulated sinusoid\")" 187 | ], 188 | "language": "python", 189 | "metadata": {}, 190 | "outputs": [] 191 | }, 192 | { 193 | "cell_type": "markdown", 194 | "metadata": {}, 195 | "source": [ 196 | "Notice that, by default, the plots are displayed inline (just as for the `%pylab inline` \"magic\" in IPython). This kind of multimedia display can be enabled for *any* Julia object, as explained in the next section." 197 | ] 198 | }, 199 | { 200 | "cell_type": "heading", 201 | "level": 2, 202 | "metadata": {}, 203 | "source": [ 204 | "Multimedia display in IJulia" 205 | ] 206 | }, 207 | { 208 | "cell_type": "markdown", 209 | "metadata": {}, 210 | "source": [ 211 | "To start with, the simplest thing is to provide the MIME type of the data when you call `display`, which allows you to pass \"raw\" data in the corresponding format:" 212 | ] 213 | }, 214 | { 215 | "cell_type": "code", 216 | "collapsed": false, 217 | "input": [ 218 | "display(\"text/html\", \"\"\"Hello world in HTML!\"\"\")" 219 | ], 220 | "language": "python", 221 | "metadata": {}, 222 | "outputs": [] 223 | }, 224 | { 225 | "cell_type": "markdown", 226 | "metadata": {}, 227 | "source": [ 228 | "However, it will be more common to attach this information to types, so that they display correctly automatically. For example, let's define a simple `HTML` type in Julia that contains a string and automatically displays as HTML (given an HTML-capable backend such as IJulia):" 229 | ] 230 | }, 231 | { 232 | "cell_type": "code", 233 | "collapsed": false, 234 | "input": [ 235 | "type HTML\n", 236 | " s::String\n", 237 | "end\n", 238 | "import Base.writemime\n", 239 | "writemime(io::IO, ::MIME\"text/html\", x::HTML) = print(io, x.s)" 240 | ], 241 | "language": "python", 242 | "metadata": {}, 243 | "outputs": [] 244 | }, 245 | { 246 | "cell_type": "markdown", 247 | "metadata": {}, 248 | "source": [ 249 | "Here, `writemime` is just a function that writes `x` in the corresponding format (`text/html`) to the I/O stream `io`. The `MIME` is a bit of magic to allow Julia's [multiple dispatch](http://en.wikipedia.org/wiki/Multiple_dispatch) to automatically select the correct `writemime` function for a given MIME type (here `\"text/html\"`) and object type (here `HTML`). We also needed an `import` statement in order to add new methods to an existing function from another module.\n", 250 | "\n", 251 | "This `writemime` definition is all that we need to make any object of type `HTML` display automatically as HTML text in IJulia:" 252 | ] 253 | }, 254 | { 255 | "cell_type": "code", 256 | "collapsed": false, 257 | "input": [ 258 | "x = HTML(\"\")" 259 | ], 260 | "language": "python", 261 | "metadata": {}, 262 | "outputs": [] 263 | }, 264 | { 265 | "cell_type": "code", 266 | "collapsed": false, 267 | "input": [ 268 | "display(x)\n", 269 | "println(x)" 270 | ], 271 | "language": "python", 272 | "metadata": {}, 273 | "outputs": [] 274 | } 275 | ], 276 | "metadata": {} 277 | } 278 | ] 279 | } -------------------------------------------------------------------------------- /underscore-min.js: -------------------------------------------------------------------------------- 1 | // Underscore.js 1.6.0 2 | // http://underscorejs.org 3 | // (c) 2009-2014 Jeremy 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-------------------------------------------------------------------------------- 1 | { 2 | "metadata": { 3 | "language": "haskell", 4 | "name": "", 5 | "signature": "sha256:0866ba3c2a15da31a719190dea10c3c740d34e438328dabcd7614ba286e29a23" 6 | }, 7 | "nbformat": 3, 8 | "nbformat_minor": 0, 9 | "worksheets": [ 10 | { 11 | "cells": [ 12 | { 13 | "cell_type": "markdown", 14 | "metadata": {}, 15 | "source": [ 16 | "![](https://raw2.github.com/gibiansky/IHaskell/master/images/ihaskell-logo-small.png)\n", 17 | "\n", 18 | "IHaskell Notebook\n", 19 | "===\n", 20 | "Hello, and welcome to the **IHaskell Notebook**. IHaskell Notebook is similar to an interactive shell along the lines of GHCi. However, it is much more powerful, and provides features such as syntax highlighting, autocompletion, multi-line input cells, integrated documentation, rich output visualization, and more. In this notebook, I'd like to demonstrate many of the awesome features IHaskell provides.\n", 21 | "\n", 22 | "IHaskell is implemented as a language kernel for the [IPython](http://ipython.org) project, which means that although the entire thing is written only in Haskell, we get a beautiful notebook interface practically for free.\n", 23 | "\n", 24 | "We can start with very simple Haskell expressions:" 25 | ] 26 | }, 27 | { 28 | "cell_type": "code", 29 | "collapsed": false, 30 | "input": [ 31 | "-- First of all, we can evaluate simple expressions.\n", 32 | "3 + 5\n", 33 | "\"Hello, \" ++ \"World!\"" 34 | ], 35 | "language": "python", 36 | "metadata": {}, 37 | "outputs": [] 38 | }, 39 | { 40 | "cell_type": "markdown", 41 | "metadata": {}, 42 | "source": [ 43 | "As you can see, each input cell get an execution number. The first input cell is labeled `In [1]`. Just like in GHCi, the output of the last executed statement or expression is available via the `it` variable - however, in addition, the output of the $n$th cell is available via the `itN` variable. For example, if we wanted to see what the first cell printed, we can go ahead and output that:" 44 | ] 45 | }, 46 | { 47 | "cell_type": "code", 48 | "collapsed": false, 49 | "input": [ 50 | "it1" 51 | ], 52 | "language": "python", 53 | "metadata": {}, 54 | "outputs": [] 55 | }, 56 | { 57 | "cell_type": "code", 58 | "collapsed": false, 59 | "input": [ 60 | "-- Unlike in GHCi, we can have multi-line expressions.\n", 61 | "concat [\n", 62 | " \"Hello\",\n", 63 | " \", \",\n", 64 | " \"World!\"\n", 65 | " ] :: String" 66 | ], 67 | "language": "python", 68 | "metadata": {}, 69 | "outputs": [] 70 | }, 71 | { 72 | "cell_type": "markdown", 73 | "metadata": {}, 74 | "source": [ 75 | "In addition to multi-line expressions, IHaskell supports most things that you could put in a standard Haskell file. For example, we can have function bindings without the `let` that GHCi requires. (As long as you group type signatures and their corresponding declarations together, you can use pattern matching and put signatures on your top-level declarations!)" 76 | ] 77 | }, 78 | { 79 | "cell_type": "code", 80 | "collapsed": false, 81 | "input": [ 82 | "thing :: String -> Int -> Int\n", 83 | "thing \"no\" _ = 100\n", 84 | "thing str int = int + length str\n", 85 | "\n", 86 | "thing \"no\" 10\n", 87 | "thing \"ah\" 10" 88 | ], 89 | "language": "python", 90 | "metadata": {}, 91 | "outputs": [] 92 | }, 93 | { 94 | "cell_type": "markdown", 95 | "metadata": {}, 96 | "source": [ 97 | "So far we've just looked at pure functions, but nothing is stopping us from doing IO." 98 | ] 99 | }, 100 | { 101 | "cell_type": "code", 102 | "collapsed": false, 103 | "input": [ 104 | "print \"What's going on?\"" 105 | ], 106 | "language": "python", 107 | "metadata": {}, 108 | "outputs": [] 109 | }, 110 | { 111 | "cell_type": "markdown", 112 | "metadata": {}, 113 | "source": [ 114 | "Although this doesn't hold everywhere, we've tried to keep IHaskell relatively similar to GHCi in terms of naming. So, just like in GHCi, you can inspect types with `:type` (or shorthands):" 115 | ] 116 | }, 117 | { 118 | "cell_type": "code", 119 | "collapsed": false, 120 | "input": [ 121 | "-- We can look at types like in GHCi.\n", 122 | ":ty 3 + 3" 123 | ], 124 | "language": "python", 125 | "metadata": {}, 126 | "outputs": [] 127 | }, 128 | { 129 | "cell_type": "markdown", 130 | "metadata": {}, 131 | "source": [ 132 | "The same goes for the `:info` command. However, unlike GHCi, which simply prints info, the IHaskell notebook brings up a separate pane." 133 | ] 134 | }, 135 | { 136 | "cell_type": "code", 137 | "collapsed": false, 138 | "input": [ 139 | "-- What is the Integral typeclass?\n", 140 | ":info Integral" 141 | ], 142 | "language": "python", 143 | "metadata": {}, 144 | "outputs": [] 145 | }, 146 | { 147 | "cell_type": "markdown", 148 | "metadata": {}, 149 | "source": [ 150 | "We can now write slightly more complicated scripts." 151 | ] 152 | }, 153 | { 154 | "cell_type": "code", 155 | "collapsed": false, 156 | "input": [ 157 | "-- Results are printed as we go, even from a single expression.\n", 158 | "import Control.Monad\n", 159 | "import Control.Concurrent\n", 160 | "\n", 161 | "forM_ [1..5] $ \\x -> do\n", 162 | " print x\n", 163 | " threadDelay $ 200 * 1000" 164 | ], 165 | "language": "python", 166 | "metadata": {}, 167 | "outputs": [] 168 | }, 169 | { 170 | "cell_type": "markdown", 171 | "metadata": {}, 172 | "source": [ 173 | "This is where the similarities with GHCi end, and the particularly shiny features of IHaskell begin.\n", 174 | "\n", 175 | "Although looking at text outputs is often enough, there are many times where we really want a richer output. Suppose we have a custom data type for color:" 176 | ] 177 | }, 178 | { 179 | "cell_type": "code", 180 | "collapsed": false, 181 | "input": [ 182 | "data Color = Red | Green | Blue" 183 | ], 184 | "language": "python", 185 | "metadata": {}, 186 | "outputs": [] 187 | }, 188 | { 189 | "cell_type": "markdown", 190 | "metadata": {}, 191 | "source": [ 192 | "If we were playing around with designing GUI applications, for instance, we might want to actually *see* these colors, instead of just seeing the text \"Red\", \"Green\", and \"Blue\" when we are debugging.\n", 193 | "\n", 194 | "IHaskell lets you define a custom display mechanism for any data type via its `IHaskellDisplay` typeclass. Since you can use IHaskell in console mode as well as notebook mode, you can provide a list of display outputs for any data type, and the frontend will simply choose the best one. Here's how you would implement a very simple display mechanism for this `Color` data type:" 195 | ] 196 | }, 197 | { 198 | "cell_type": "code", 199 | "collapsed": false, 200 | "input": [ 201 | "import IHaskell.Display\n", 202 | "\n", 203 | "instance IHaskellDisplay Color where\n", 204 | " display color = return $ Display [html code]\n", 205 | " where\n", 206 | " code = concat [\"
Look!
\"]\n", 209 | " css Red = \"red\"\n", 210 | " css Blue = \"blue\"\n", 211 | " css Green = \"green\"" 212 | ], 213 | "language": "python", 214 | "metadata": {}, 215 | "outputs": [] 216 | }, 217 | { 218 | "cell_type": "markdown", 219 | "metadata": {}, 220 | "source": [ 221 | "Once we define a custom `display :: a -> IO Display` function, we can simply output a `Color`:" 222 | ] 223 | }, 224 | { 225 | "cell_type": "code", 226 | "collapsed": false, 227 | "input": [ 228 | "Red\n", 229 | "Green\n", 230 | "Blue" 231 | ], 232 | "language": "python", 233 | "metadata": {}, 234 | "outputs": [] 235 | }, 236 | { 237 | "cell_type": "markdown", 238 | "metadata": {}, 239 | "source": [ 240 | "The `DisplayData` type has several constructors which let you display your data as plain text, HTML, images (SVG, PNG, JPG), or even as LaTeX code.\n", 241 | "\n", 242 | "In order to ship an extension for IHaskell, simply create a package named `ihaskell-thing` with a module named `IHaskell.Display.Thing`. As long as `ihaskell-thing` is installed, IHaskell will detect and use it automatically.\n", 243 | "\n", 244 | "A number of packages already exist, which we can briefly look at. First, in `ihaskell-basic`, we have very simple displays for data types from `Prelude`." 245 | ] 246 | }, 247 | { 248 | "cell_type": "code", 249 | "collapsed": false, 250 | "input": [ 251 | "-- We can display Maybes fancily for Show-able types.\n", 252 | "Just ()\n", 253 | "Nothing\n", 254 | "\n", 255 | "-- But it dies if it's not showable.\n", 256 | "data NoShow = X Int\n", 257 | "Just (X 3)" 258 | ], 259 | "language": "python", 260 | "metadata": {}, 261 | "outputs": [] 262 | }, 263 | { 264 | "cell_type": "heading", 265 | "level": 2, 266 | "metadata": {}, 267 | "source": [ 268 | "IHaskell special features" 269 | ] 270 | }, 271 | { 272 | "cell_type": "markdown", 273 | "metadata": {}, 274 | "source": [ 275 | "In addition to displaying outputs in a rich format, IHaskell has a bunch of useful features.\n", 276 | "\n", 277 | "For instance, the popular linting tool `hlint` is integrated and turned on by default. Let's write some ugly code, and see what it tells us:" 278 | ] 279 | }, 280 | { 281 | "cell_type": "code", 282 | "collapsed": false, 283 | "input": [ 284 | "-- There is also hlint integration enabled by default.\n", 285 | "-- If you write sketchy code, it will tell you:\n", 286 | "f :: Int -> Int\n", 287 | "f x = x + 1\n", 288 | "\n", 289 | "-- Most warnings are orange...\n", 290 | "f $ 3\n", 291 | "\n", 292 | "-- But more severe warnings are red.\n", 293 | "putStrLn (show 3)\n", 294 | "do\n", 295 | " return 3" 296 | ], 297 | "language": "python", 298 | "metadata": {}, 299 | "outputs": [] 300 | }, 301 | { 302 | "cell_type": "markdown", 303 | "metadata": {}, 304 | "source": [ 305 | "If you're an experienced Haskeller, though, and don't want `hlint` telling you what to do, you can easily turn it off with `:opt no-lint`." 306 | ] 307 | }, 308 | { 309 | "cell_type": "markdown", 310 | "metadata": {}, 311 | "source": [ 312 | "In addition to `hlint` integration, IHaskell also integrates **Hoogle** for documentation searches. IHaskell provides two directives for searching Hoogle. The first of these, `:document` (or shorthands), looks for exact matches." 313 | ] 314 | }, 315 | { 316 | "cell_type": "code", 317 | "collapsed": false, 318 | "input": [ 319 | ":doc filterM" 320 | ], 321 | "language": "python", 322 | "metadata": {}, 323 | "outputs": [] 324 | }, 325 | { 326 | "cell_type": "markdown", 327 | "metadata": {}, 328 | "source": [ 329 | "The other provided command is `:hoogle`. This does a normal Hoogle search, and thus lets you use imperfect matching and searching by type signature." 330 | ] 331 | }, 332 | { 333 | "cell_type": "code", 334 | "collapsed": false, 335 | "input": [ 336 | ":hoogle :: [a] -> [(a, b)]" 337 | ], 338 | "language": "python", 339 | "metadata": {}, 340 | "outputs": [] 341 | }, 342 | { 343 | "cell_type": "markdown", 344 | "metadata": {}, 345 | "source": [ 346 | "If you need a refresher on all of the options, you can just use `:help`:" 347 | ] 348 | }, 349 | { 350 | "cell_type": "code", 351 | "collapsed": false, 352 | "input": [ 353 | ":help" 354 | ], 355 | "language": "python", 356 | "metadata": {}, 357 | "outputs": [] 358 | }, 359 | { 360 | "cell_type": "markdown", 361 | "metadata": {}, 362 | "source": [ 363 | "All of the code you normally put into IHaskell is (like in GHCi) interpreted. However, sometimes you've perfected a function, and now need it to run faster. In that case, you can go ahead and define a module in a single cell. As long as your module has a module header along the lines of `module Name where`, IHaskell will recognize it as a module. It will create the file `A/B.hs`, compile it, and load it. " 364 | ] 365 | }, 366 | { 367 | "cell_type": "code", 368 | "collapsed": false, 369 | "input": [ 370 | "-- If your code isn't running fast enough, you can just put it into a module.\n", 371 | "module A.B where\n", 372 | "\n", 373 | "fib 0 = 1\n", 374 | "fib 1 = 1\n", 375 | "fib n = fib (n-1) + fib (n-2)" 376 | ], 377 | "language": "python", 378 | "metadata": {}, 379 | "outputs": [] 380 | }, 381 | { 382 | "cell_type": "markdown", 383 | "metadata": {}, 384 | "source": [ 385 | "Note that the module is by default imported unqualified, as though you had typed `import A.B`." 386 | ] 387 | }, 388 | { 389 | "cell_type": "code", 390 | "collapsed": false, 391 | "input": [ 392 | "-- The module is automatically imported unqualified.\n", 393 | "print $ A.B.fib 20\n", 394 | "print $ fib 20" 395 | ], 396 | "language": "python", 397 | "metadata": {}, 398 | "outputs": [] 399 | } 400 | ], 401 | "metadata": {} 402 | } 403 | ] 404 | } -------------------------------------------------------------------------------- /logos/python-logo-generic.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 20 | 22 | 23 | 25 | image/svg+xml 26 | 28 | 29 | 30 | 31 | 46 | 48 | 50 | 54 | 58 | 59 | 61 | 65 | 69 | 70 | 72 | 76 | 80 | 81 | 83 | 87 | 91 | 92 | 94 | 98 | 102 | 103 | 105 | 109 | 113 | 114 | 123 | 132 | 141 | 150 | 159 | 168 | 177 | 186 | 196 | 205 | 214 | 224 | 225 | 227 | 231 | 235 | 239 | 243 | 247 | 251 | 255 | 259 | 263 | 268 | 269 | 270 | -------------------------------------------------------------------------------- /Frontends.ipynb: -------------------------------------------------------------------------------- 1 | { 2 | "metadata": { 3 | "name": "", 4 | "signature": "sha256:51ca2640929c4aea4addb291eac93429243e4831f1ff02eaf6aa4422201740ae" 5 | }, 6 | "nbformat": 3, 7 | "nbformat_minor": 0, 8 | "worksheets": [ 9 | { 10 | "cells": [ 11 | { 12 | "cell_type": "markdown", 13 | "metadata": {}, 14 | "source": [ 15 | "



" 16 | ] 17 | }, 18 | { 19 | "cell_type": "heading", 20 | "level": 1, 21 | "metadata": {}, 22 | "source": [ 23 | "
The IPython Protocol

Frontends and Kernels
" 24 | ] 25 | }, 26 | { 27 | "cell_type": "markdown", 28 | "metadata": {}, 29 | "source": [ 30 | "



\n", 31 | "

\"Living the Dream!\"

\n", 32 | "




\n", 33 | "\n", 34 | "

with [Paul Ivanov](http://twitter.com/ivanov) and [Thomas Kluyver](https://twitter.com/takluyver)\n", 35 | "

[https://github.com/ipython/front-to-back](https://github.com/ipython/front-to-back)\n", 36 | "

\n", 37 | "




\n", 38 | "


\n", 39 | "\n", 40 | "(thanks to [Jonathan Frederic](https://twitter.com/GooseJon) for last minute [presentation shortcuts](https://gist.github.com/jdfreder/e2bf6c6c6beadf0a4477))\n", 41 | "
" 42 | ] 43 | }, 44 | { 45 | "cell_type": "markdown", 46 | "metadata": {}, 47 | "source": [ 48 | " " 49 | ] 50 | }, 51 | { 52 | "cell_type": "markdown", 53 | "metadata": {}, 54 | "source": [ 55 | "



" 56 | ] 57 | }, 58 | { 59 | "cell_type": "markdown", 60 | "metadata": {}, 61 | "source": [ 62 | "



" 63 | ] 64 | }, 65 | { 66 | "cell_type": "heading", 67 | "level": 1, 68 | "metadata": {}, 69 | "source": [ 70 | "The logistics of this presentation" 71 | ] 72 | }, 73 | { 74 | "cell_type": "markdown", 75 | "metadata": {}, 76 | "source": [ 77 | "![ ](/files/images/horse.jpg)" 78 | ] 79 | }, 80 | { 81 | "cell_type": "heading", 82 | "level": 1, 83 | "metadata": {}, 84 | "source": [ 85 | "What is IPython?" 86 | ] 87 | }, 88 | { 89 | "cell_type": "markdown", 90 | "metadata": {}, 91 | "source": [ 92 | "



" 93 | ] 94 | }, 95 | { 96 | "cell_type": "markdown", 97 | "metadata": {}, 98 | "source": [ 99 | "![ipython universe](/files/images/ipython-uni.png)" 100 | ] 101 | }, 102 | { 103 | "cell_type": "markdown", 104 | "metadata": {}, 105 | "source": [ 106 | "



" 107 | ] 108 | }, 109 | { 110 | "cell_type": "markdown", 111 | "metadata": {}, 112 | "source": [ 113 | "



" 114 | ] 115 | }, 116 | { 117 | "cell_type": "heading", 118 | "level": 1, 119 | "metadata": {}, 120 | "source": [ 121 | "The punchline..." 122 | ] 123 | }, 124 | { 125 | "cell_type": "markdown", 126 | "metadata": {}, 127 | "source": [ 128 | "



" 129 | ] 130 | }, 131 | { 132 | "cell_type": "markdown", 133 | "metadata": {}, 134 | "source": [ 135 | "![ipython universe](/files/images/ipython-uni.png)" 136 | ] 137 | }, 138 | { 139 | "cell_type": "markdown", 140 | "metadata": {}, 141 | "source": [ 142 | "\"Why should I care?\"\n", 143 | "\n", 144 | "Implement one piece - and get the others for free.\n", 145 | "\n", 146 | "(free as in BSD)" 147 | ] 148 | }, 149 | { 150 | "cell_type": "markdown", 151 | "metadata": {}, 152 | "source": [ 153 | "



" 154 | ] 155 | }, 156 | { 157 | "cell_type": "markdown", 158 | "metadata": {}, 159 | "source": [ 160 | "



" 161 | ] 162 | }, 163 | { 164 | "cell_type": "markdown", 165 | "metadata": {}, 166 | "source": [ 167 | "



" 168 | ] 169 | }, 170 | { 171 | "cell_type": "heading", 172 | "level": 1, 173 | "metadata": {}, 174 | "source": [ 175 | "This talk" 176 | ] 177 | }, 178 | { 179 | "cell_type": "markdown", 180 | "metadata": {}, 181 | "source": [ 182 | "



" 183 | ] 184 | }, 185 | { 186 | "cell_type": "markdown", 187 | "metadata": {}, 188 | "source": [ 189 | " \n", 190 | " \n", 191 | "![ipython universe](/files/images/ipython-oos.png)" 192 | ] 193 | }, 194 | { 195 | "cell_type": "markdown", 196 | "metadata": {}, 197 | "source": [ 198 | "



" 199 | ] 200 | }, 201 | { 202 | "cell_type": "markdown", 203 | "metadata": {}, 204 | "source": [ 205 | "



" 206 | ] 207 | }, 208 | { 209 | "cell_type": "heading", 210 | "level": 1, 211 | "metadata": {}, 212 | "source": [ 213 | "Analogy \n", 214 | "\n", 215 | "(imperfect, but useful)" 216 | ] 217 | }, 218 | { 219 | "cell_type": "markdown", 220 | "metadata": {}, 221 | "source": [ 222 | "\n", 223 | "\n", 224 | " \n", 225 | " \n", 230 | "\n", 231 | " \n", 232 | " \n", 237 | " \n", 238 | " \n", 239 | " \n", 247 | "\n", 248 | " \n", 249 | " \n", 256 | " \n", 257 | " \n", 258 | " \n", 263 | "\n", 264 | " \n", 265 | " \n", 270 | " \n", 271 | "\n", 272 | "
The WebIPython
\n", 226 | " Browser\n", 227 | "
\n", 228 | " ![](/files/images/nextstation.jpg)\n", 229 | " 		\n", 233 | " Client\n", 234 | "
\n", 235 | " ![](/files/images/computer.png)\n", 236 | "
\n", 240 | "
\n", 241 | "

speaks **HTTP** with

\n", 242 | "
\n", 243 | "\n", 244 | "
\n", 245 | "\n", 246 | " 		\n", 250 | "
\n", 251 | "\n", 252 | "

speaks \"ICCP\" with

\n", 253 | "
\n", 254 | "\n", 255 | "
\n", 259 | " Webserver\n", 260 | "
\n", 261 | " ![](/files/images/next.jpg)\n", 262 | " 		\n", 266 | " Kernel\n", 267 | "
\n", 268 | " ![](/files/images/pdp12.jpg)\n", 269 | "
" 273 | ] 274 | }, 275 | { 276 | "cell_type": "markdown", 277 | "metadata": {}, 278 | "source": [ 279 | "



" 280 | ] 281 | }, 282 | { 283 | "cell_type": "heading", 284 | "level": 1, 285 | "metadata": {}, 286 | "source": [ 287 | "ICCP?" 288 | ] 289 | }, 290 | { 291 | "cell_type": "markdown", 292 | "metadata": {}, 293 | "source": [ 294 | "



" 295 | ] 296 | }, 297 | { 298 | "cell_type": "markdown", 299 | "metadata": {}, 300 | "source": [ 301 | "**I**nteractive **C**omputing **C**ommunication **P**rotocol\n", 302 | "\n", 303 | "I wanted \"IPython Protocol\" \n", 304 | "- but IP was already taken :\\\n", 305 | "\n", 306 | "\"Interactive Computing Protocol\" \n", 307 | "- also taken (\"[Internet Cache Protocol](http://en.wikipedia.org/wiki/Internet_Cache_Protocol)\", RFCs\n", 308 | "[2186](http://tools.ietf.org/html/rfc2186) and\n", 309 | "[2187](http://tools.ietf.org/html/rfc2187))" 310 | ] 311 | }, 312 | { 313 | "cell_type": "markdown", 314 | "metadata": {}, 315 | "source": [ 316 | "



" 317 | ] 318 | }, 319 | { 320 | "cell_type": "markdown", 321 | "metadata": {}, 322 | "source": [ 323 | "



" 324 | ] 325 | }, 326 | { 327 | "cell_type": "markdown", 328 | "metadata": {}, 329 | "source": [ 330 | "



" 331 | ] 332 | }, 333 | { 334 | "cell_type": "heading", 335 | "level": 1, 336 | "metadata": {}, 337 | "source": [ 338 | "Kernel" 339 | ] 340 | }, 341 | { 342 | "cell_type": "markdown", 343 | "metadata": {}, 344 | "source": [ 345 | "



" 346 | ] 347 | }, 348 | { 349 | "cell_type": "heading", 350 | "level": 2, 351 | "metadata": {}, 352 | "source": [ 353 | "Computational Engine" 354 | ] 355 | }, 356 | { 357 | "cell_type": "heading", 358 | "level": 3, 359 | "metadata": {}, 360 | "source": [ 361 | "- accepts messages\n", 362 | "

\n", 363 | "- performs actions\n", 364 | "

\n", 365 | "- sends out results" 366 | ] 367 | }, 368 | { 369 | "cell_type": "markdown", 370 | "metadata": {}, 371 | "source": [ 372 | "



" 373 | ] 374 | }, 375 | { 376 | "cell_type": "markdown", 377 | "metadata": {}, 378 | "source": [ 379 | "



" 380 | ] 381 | }, 382 | { 383 | "cell_type": "markdown", 384 | "metadata": {}, 385 | "source": [ 386 | "



" 387 | ] 388 | }, 389 | { 390 | "cell_type": "markdown", 391 | "metadata": {}, 392 | "source": [ 393 | "



" 394 | ] 395 | }, 396 | { 397 | "cell_type": "heading", 398 | "level": 1, 399 | "metadata": {}, 400 | "source": [ 401 | "One-to-Many (Kernel to Clients)" 402 | ] 403 | }, 404 | { 405 | "cell_type": "markdown", 406 | "metadata": {}, 407 | "source": [ 408 | "



" 409 | ] 410 | }, 411 | { 412 | "cell_type": "markdown", 413 | "metadata": {}, 414 | "source": [ 415 | "\n", 416 | "
\n", 417 | "

console qtconsole vim-ipython vim-ipython bipython \n", 418 | "





\n", 419 | "\n", 420 | "\n", 421 | "\n", 422 | "\n", 423 | "\n", 424 | "\n", 425 | "\n", 426 | "kernel\n", 427 | "

\n", 428 | "
" 429 | ] 430 | }, 431 | { 432 | "cell_type": "markdown", 433 | "metadata": {}, 434 | "source": [ 435 | "



" 436 | ] 437 | }, 438 | { 439 | "cell_type": "markdown", 440 | "metadata": {}, 441 | "source": [ 442 | "



" 443 | ] 444 | }, 445 | { 446 | "cell_type": "markdown", 447 | "metadata": {}, 448 | "source": [ 449 | "



" 450 | ] 451 | }, 452 | { 453 | "cell_type": "markdown", 454 | "metadata": {}, 455 | "source": [ 456 | "



" 457 | ] 458 | }, 459 | { 460 | "cell_type": "heading", 461 | "level": 1, 462 | "metadata": {}, 463 | "source": [ 464 | "Anatomy of a Message" 465 | ] 466 | }, 467 | { 468 | "cell_type": "markdown", 469 | "metadata": {}, 470 | "source": [ 471 | "



" 472 | ] 473 | }, 474 | { 475 | "cell_type": "markdown", 476 | "metadata": {}, 477 | "source": [ 478 | "In brief, read [the messaging\n", 479 | "spec](http://ipython.org/ipython-doc/dev/development/messaging.html) for more\n", 480 | "details.\n", 481 | "\n", 482 | "Essential fields:\n", 483 | "\n", 484 | " header:\n", 485 | " msg_id:\n", 486 | " msg_type: execute_request, execute_reply, object_info_request,\n", 487 | " complete_request, complete_reply, history_request, ...\n", 488 | "\n", 489 | " parent_header: (see above)\n", 490 | "\n", 491 | " content: structure depends on message type\n", 492 | "\n", 493 | " example: `execute_request`\n", 494 | " - `code` (str)\n", 495 | " - `silent` (bool)\n", 496 | " - `store_history` (bool)\n", 497 | "\n", 498 | " example: `execute_reply`\n", 499 | " - `status` ('ok', 'error', or 'abort')\n", 500 | " - `execution count` (prompt numbers)" 501 | ] 502 | }, 503 | { 504 | "cell_type": "markdown", 505 | "metadata": {}, 506 | "source": [ 507 | "



" 508 | ] 509 | }, 510 | { 511 | "cell_type": "heading", 512 | "level": 1, 513 | "metadata": {}, 514 | "source": [ 515 | "Client" 516 | ] 517 | }, 518 | { 519 | "cell_type": "markdown", 520 | "metadata": {}, 521 | "source": [ 522 | "



" 523 | ] 524 | }, 525 | { 526 | "cell_type": "heading", 527 | "level": 2, 528 | "metadata": {}, 529 | "source": [ 530 | "- connects to exactly one kernel\n", 531 | "


\n", 532 | "- send messages to kernel based on user actions\n", 533 | "


\n", 534 | "- displays kernel messages when appropriate" 535 | ] 536 | }, 537 | { 538 | "cell_type": "markdown", 539 | "metadata": {}, 540 | "source": [ 541 | "



" 542 | ] 543 | }, 544 | { 545 | "cell_type": "markdown", 546 | "metadata": {}, 547 | "source": [ 548 | "



" 549 | ] 550 | }, 551 | { 552 | "cell_type": "markdown", 553 | "metadata": {}, 554 | "source": [ 555 | "



" 556 | ] 557 | }, 558 | { 559 | "cell_type": "markdown", 560 | "metadata": {}, 561 | "source": [ 562 | "



" 563 | ] 564 | }, 565 | { 566 | "cell_type": "heading", 567 | "level": 1, 568 | "metadata": {}, 569 | "source": [ 570 | "Why have many clients?" 571 | ] 572 | }, 573 | { 574 | "cell_type": "markdown", 575 | "metadata": {}, 576 | "source": [ 577 | "



" 578 | ] 579 | }, 580 | { 581 | "cell_type": "markdown", 582 | "metadata": {}, 583 | "source": [ 584 | "Differences in\n", 585 | "\n", 586 | "\n", 587 | "- **multiline editing**\n", 588 | " - qtconsole\n", 589 | " - vim-ipython\n", 590 | " - notebook\n", 591 | "- **display capabilities**\n", 592 | " - images in qtconsole\n", 593 | " - images, video, javascript in notebook\n", 594 | "- **persistence** \n", 595 | " - no save and rerun in console, qtconsole\n", 596 | " - .ipynb files for notebook, EIN\n", 597 | " - files for vim-ipython\n", 598 | "- **user interface** \n", 599 | "

I have a serious illness: chronic CLI. It's terminal.

— Paul Ivanov (@ivanov) May 3, 2014
\n", 600 | " \n", 601 | "- **client-side requirements**\n", 602 | " - python for console, qtconsle, vim-ipython, bipython\n", 603 | " - modern webbrowser for notebook\n", 604 | "- **interactivity** (bipython)" 605 | ] 606 | }, 607 | { 608 | "cell_type": "markdown", 609 | "metadata": {}, 610 | "source": [ 611 | "



" 612 | ] 613 | }, 614 | { 615 | "cell_type": "heading", 616 | "level": 1, 617 | "metadata": {}, 618 | "source": [ 619 | "Clients" 620 | ] 621 | }, 622 | { 623 | "cell_type": "markdown", 624 | "metadata": {}, 625 | "source": [ 626 | "## ship with ipython:\n", 627 | "\n", 628 | "`ipython qtconsole` - the original decoupling, uses Qt4\n", 629 | "\n", 630 | "`ipython console` - terminal version, decoupled \n", 631 | "\n", 632 | "- (different from the classic single process `ipython`)\n", 633 | "\n", 634 | "both of these actually start a kernel and a client, \n", 635 | " pass `--existing` flag to not start a *new* kernel \n", 636 | " and instead simply connect to one that already\n", 637 | " exists\n", 638 | "`ipython notebook` ♦ ♦ - more on this later" 639 | ] 640 | }, 641 | { 642 | "cell_type": "markdown", 643 | "metadata": {}, 644 | "source": [ 645 | "



" 646 | ] 647 | }, 648 | { 649 | "cell_type": "markdown", 650 | "metadata": {}, 651 | "source": [ 652 | "## 3rd party\n", 653 | "[vim-ipython](https://github.com/ivanov/vim-ipython)\n", 654 | "\n", 655 | "[bipython](http://bipython.org)\n", 656 | "\n", 657 | "[EIN - Emacs IPython Notebook](http://tkf.github.io/emacs-ipython-notebook/) (OOS)" 658 | ] 659 | }, 660 | { 661 | "cell_type": "markdown", 662 | "metadata": {}, 663 | "source": [ 664 | "



" 665 | ] 666 | }, 667 | { 668 | "cell_type": "heading", 669 | "level": 1, 670 | "metadata": {}, 671 | "source": [ 672 | "[vim-ipython](https://github.com/ivanov/vim-ipython)" 673 | ] 674 | }, 675 | { 676 | "cell_type": "markdown", 677 | "metadata": {}, 678 | "source": [ 679 | "



" 680 | ] 681 | }, 682 | { 683 | "cell_type": "markdown", 684 | "metadata": {}, 685 | "source": [ 686 | "[vim](http://vim.org) plugin first written during the sprints at [SciPy\n", 687 | "2011](http://conference.scipy.org/scipy2011/)\n", 688 | "\n", 689 | "[demo #1](files/images/demo1.mp4) [demo #2](files/images/demo1.mp4)\n", 690 | "\n", 691 | "


\n", 692 | "## Live demo?\n", 693 | "


\n", 694 | "\n", 695 | "### PSA: vim-ipython common problem (e.g. OS X)\n", 696 | "\n", 697 | "Vim needs to be compiled with Python support (`vim --version | grep +python`)\n", 698 | "AND the Python linked must have IPython with ZeroMQ support\n", 699 | "\n", 700 | "HOWEVER: the Python linked **does not** need to be your preferred Python.\n", 701 | "\n", 702 | "Solution: either install IPython and PyZMQ into system Python, or compile vim\n", 703 | "against a Python which has IPython and PyZMQ (Python that comes with Anaconda,\n", 704 | "for example)" 705 | ] 706 | }, 707 | { 708 | "cell_type": "markdown", 709 | "metadata": {}, 710 | "source": [ 711 | "



" 712 | ] 713 | }, 714 | { 715 | "cell_type": "markdown", 716 | "metadata": {}, 717 | "source": [ 718 | "



" 719 | ] 720 | }, 721 | { 722 | "cell_type": "heading", 723 | "level": 1, 724 | "metadata": {}, 725 | "source": [ 726 | "[bipython](http://bipython.org)" 727 | ] 728 | }, 729 | { 730 | "cell_type": "markdown", 731 | "metadata": {}, 732 | "source": [ 733 | "[![bipython logo](/files/images/bipython_logo.png)](http://bipython.org)



" 734 | ] 735 | }, 736 | { 737 | "cell_type": "markdown", 738 | "metadata": {}, 739 | "source": [ 740 | "ripped out the messaging code from vim-ipython, \n", 741 | "\n", 742 | "and slapped them on top of [bpython](http://bpython-interpreter.org/)'s [urwid](http://urwid.org/) interface\n", 743 | "\n", 744 | "...in 2 days." 745 | ] 746 | }, 747 | { 748 | "cell_type": "markdown", 749 | "metadata": {}, 750 | "source": [ 751 | "



" 752 | ] 753 | }, 754 | { 755 | "cell_type": "markdown", 756 | "metadata": {}, 757 | "source": [ 758 | "## Live Demo?" 759 | ] 760 | }, 761 | { 762 | "cell_type": "markdown", 763 | "metadata": {}, 764 | "source": [ 765 | "



" 766 | ] 767 | }, 768 | { 769 | "cell_type": "markdown", 770 | "metadata": {}, 771 | "source": [ 772 | "



" 773 | ] 774 | }, 775 | { 776 | "cell_type": "heading", 777 | "level": 1, 778 | "metadata": {}, 779 | "source": [ 780 | "Embed is you friend!" 781 | ] 782 | }, 783 | { 784 | "cell_type": "markdown", 785 | "metadata": {}, 786 | "source": [ 787 | "



" 788 | ] 789 | }, 790 | { 791 | "cell_type": "markdown", 792 | "metadata": {}, 793 | "source": [ 794 | "In any Python code you have lying around, do this:\n", 795 | "\n", 796 | "```python\n", 797 | "import IPython; IPython.embed_kernel()\n", 798 | "```\n", 799 | "\n", 800 | "When that code runs, it will prompt something like this:\n", 801 | "\n", 802 | " NOTE: When using the `ipython kernel` entry point, Ctrl-C will not work.\n", 803 | "\n", 804 | " To exit, you will have to explicitly quit this process, by either sending\n", 805 | " \"quit\" from a client, or using Ctrl-\\ in UNIX-like environments.\n", 806 | "\n", 807 | " To read more about this, see https://github.com/ipython/ipython/issues/2049\n", 808 | "\n", 809 | "\n", 810 | " To connect another client to this kernel, use:\n", 811 | " --existing kernel-5979.json\n", 812 | "\n", 813 | "(demo if time permits)" 814 | ] 815 | }, 816 | { 817 | "cell_type": "markdown", 818 | "metadata": {}, 819 | "source": [ 820 | "



" 821 | ] 822 | }, 823 | { 824 | "cell_type": "markdown", 825 | "metadata": {}, 826 | "source": [ 827 | "



" 828 | ] 829 | }, 830 | { 831 | "cell_type": "heading", 832 | "level": 1, 833 | "metadata": {}, 834 | "source": [ 835 | "Take away for clients" 836 | ] 837 | }, 838 | { 839 | "cell_type": "markdown", 840 | "metadata": {}, 841 | "source": [ 842 | "

\n", 843 | "You favorite tool can talk (bi-directionally) to Python!\n", 844 | "

\n", 845 | "\n", 846 | "![takeout](/files/images/takeout.jpg)" 847 | ] 848 | }, 849 | { 850 | "cell_type": "markdown", 851 | "metadata": {}, 852 | "source": [ 853 | "



" 854 | ] 855 | }, 856 | { 857 | "cell_type": "markdown", 858 | "metadata": {}, 859 | "source": [ 860 | "



" 861 | ] 862 | }, 863 | { 864 | "cell_type": "heading", 865 | "level": 1, 866 | "metadata": {}, 867 | "source": [ 868 | "Bonus slides" 869 | ] 870 | }, 871 | { 872 | "cell_type": "heading", 873 | "level": 1, 874 | "metadata": {}, 875 | "source": [ 876 | "Lies" 877 | ] 878 | }, 879 | { 880 | "cell_type": "markdown", 881 | "metadata": {}, 882 | "source": [ 883 | "ICCP over zermoq happens over multiple channels (3) not just one.\n", 884 | " - stdin\n", 885 | " - Shell ( action requests: execution, object introspection, code completion )\n", 886 | " - IOPub ( \"broadcast channel\" )" 887 | ] 888 | }, 889 | { 890 | "cell_type": "heading", 891 | "level": 1, 892 | "metadata": {}, 893 | "source": [ 894 | "What about the notebook? (analogy)" 895 | ] 896 | }, 897 | { 898 | "cell_type": "markdown", 899 | "metadata": {}, 900 | "source": [ 901 | "see [sequence diagram](/files/notebook-as-proxy.html)" 902 | ] 903 | }, 904 | { 905 | "cell_type": "code", 906 | "collapsed": false, 907 | "input": [ 908 | "import IPython.display as d" 909 | ], 910 | "language": "python", 911 | "metadata": {}, 912 | "outputs": [], 913 | "prompt_number": 8 914 | }, 915 | { 916 | "cell_type": "code", 917 | "collapsed": false, 918 | "input": [ 919 | "d.IFrame(\"/files/notebook-as-proxy.html\", 800, 600)" 920 | ], 921 | "language": "python", 922 | "metadata": {}, 923 | "outputs": [ 924 | { 925 | "html": [ 926 | "\n", 927 | " \n", 934 | " " 935 | ], 936 | "metadata": {}, 937 | "output_type": "pyout", 938 | "prompt_number": 10, 939 | "text": [ 940 | "" 941 | ] 942 | } 943 | ], 944 | "prompt_number": 10 945 | } 946 | ], 947 | "metadata": {} 948 | } 949 | ] 950 | } -------------------------------------------------------------------------------- /sequence-diagram-min.js: -------------------------------------------------------------------------------- 1 | /** js sequence diagrams 1.0.4 2 | * http://bramp.github.io/js-sequence-diagrams/ 3 | * (c) 2012-2013 Andrew Brampton (bramp.net) 4 | * @license Simplified BSD license. 5 | */ 6 | !function(){"use strict";function Diagram(){this.title=void 0,this.actors=[],this.signals=[]}function ParseError(message,hash){_.extend(this,hash),this.name="ParseError",this.message=message||""}Diagram.prototype.getActor=function(alias){var s=/^(.+) as (\S+)$/i.exec(alias.trim());s?(name=s[1].trim(),alias=s[2].trim()):name=alias.trim(),name=name.replace(/\\n/gm,"\n");var i,actors=this.actors;for(i in actors)if(actors[i].alias==alias)return actors[i];return i=actors.push(new Diagram.Actor(alias,name,actors.length)),actors[i-1]},Diagram.prototype.setTitle=function(title){this.title=title},Diagram.prototype.addSignal=function(signal){this.signals.push(signal)},Diagram.Actor=function(alias,name,index){this.alias=alias,this.name=name,this.index=index},Diagram.Signal=function(actorA,signaltype,actorB,message){this.type="Signal",this.actorA=actorA,this.actorB=actorB,this.linetype=3&signaltype,this.arrowtype=3&signaltype>>2,this.message=message},Diagram.Signal.prototype.isSelf=function(){return this.actorA.index==this.actorB.index},Diagram.Note=function(actor,placement,message){if(this.type="Note",this.actor=actor,this.placement=placement,this.message=message,this.hasManyActors()&&actor[0]==actor[1])throw new Error("Note should be over two different actors")},Diagram.Note.prototype.hasManyActors=function(){return _.isArray(this.actor)},Diagram.LINETYPE={SOLID:0,DOTTED:1},Diagram.ARROWTYPE={FILLED:0,OPEN:1},Diagram.PLACEMENT={LEFTOF:0,RIGHTOF:1,OVER:2};var grammar=function(){function Parser(){this.yy={}}var parser={trace:function(){},yy:{},symbols_:{error:2,start:3,document:4,EOF:5,line:6,statement:7,NL:8,participant:9,actor:10,signal:11,note_statement:12,title:13,message:14,note:15,placement:16,over:17,actor_pair:18,",":19,left_of:20,right_of:21,signaltype:22,ACTOR:23,linetype:24,arrowtype:25,LINE:26,DOTLINE:27,ARROW:28,OPENARROW:29,MESSAGE:30,$accept:0,$end:1},terminals_:{2:"error",5:"EOF",8:"NL",9:"participant",13:"title",15:"note",17:"over",19:",",20:"left_of",21:"right_of",23:"ACTOR",26:"LINE",27:"DOTLINE",28:"ARROW",29:"OPENARROW",30:"MESSAGE"},productions_:[0,[3,2],[4,0],[4,2],[6,1],[6,1],[7,2],[7,1],[7,1],[7,2],[12,4],[12,4],[18,1],[18,3],[16,1],[16,1],[11,4],[10,1],[22,2],[22,1],[24,1],[24,1],[25,1],[25,1],[14,1]],performAction:function(yytext,yyleng,yylineno,yy,yystate,$$){var $0=$$.length-1;switch(yystate){case 1:return yy;case 4:break;case 6:$$[$0];break;case 7:yy.addSignal($$[$0]);break;case 8:yy.addSignal($$[$0]);break;case 9:yy.setTitle($$[$0]);break;case 10:this.$=new Diagram.Note($$[$0-1],$$[$0-2],$$[$0]);break;case 11:this.$=new Diagram.Note($$[$0-1],Diagram.PLACEMENT.OVER,$$[$0]);break;case 12:this.$=$$[$0];break;case 13:this.$=[$$[$0-2],$$[$0]];break;case 14:this.$=Diagram.PLACEMENT.LEFTOF;break;case 15:this.$=Diagram.PLACEMENT.RIGHTOF;break;case 16:this.$=new Diagram.Signal($$[$0-3],$$[$0-2],$$[$0-1],$$[$0]);break;case 17:this.$=yy.getActor($$[$0]);break;case 18:this.$=$$[$0-1]|$$[$0]<<2;break;case 19:this.$=$$[$0];break;case 20:this.$=Diagram.LINETYPE.SOLID;break;case 21:this.$=Diagram.LINETYPE.DOTTED;break;case 22:this.$=Diagram.ARROWTYPE.FILLED;break;case 23:this.$=Diagram.ARROWTYPE.OPEN;break;case 24:this.$=$$[$0].substring(1).trim().replace(/\\n/gm,"\n")}},table:[{3:1,4:2,5:[2,2],8:[2,2],9:[2,2],13:[2,2],15:[2,2],23:[2,2]},{1:[3]},{5:[1,3],6:4,7:5,8:[1,6],9:[1,7],10:11,11:8,12:9,13:[1,10],15:[1,12],23:[1,13]},{1:[2,1]},{5:[2,3],8:[2,3],9:[2,3],13:[2,3],15:[2,3],23:[2,3]},{5:[2,4],8:[2,4],9:[2,4],13:[2,4],15:[2,4],23:[2,4]},{5:[2,5],8:[2,5],9:[2,5],13:[2,5],15:[2,5],23:[2,5]},{10:14,23:[1,13]},{5:[2,7],8:[2,7],9:[2,7],13:[2,7],15:[2,7],23:[2,7]},{5:[2,8],8:[2,8],9:[2,8],13:[2,8],15:[2,8],23:[2,8]},{14:15,30:[1,16]},{22:17,24:18,26:[1,19],27:[1,20]},{16:21,17:[1,22],20:[1,23],21:[1,24]},{5:[2,17],8:[2,17],9:[2,17],13:[2,17],15:[2,17],19:[2,17],23:[2,17],26:[2,17],27:[2,17],30:[2,17]},{5:[2,6],8:[2,6],9:[2,6],13:[2,6],15:[2,6],23:[2,6]},{5:[2,9],8:[2,9],9:[2,9],13:[2,9],15:[2,9],23:[2,9]},{5:[2,24],8:[2,24],9:[2,24],13:[2,24],15:[2,24],23:[2,24]},{10:25,23:[1,13]},{23:[2,19],25:26,28:[1,27],29:[1,28]},{23:[2,20],28:[2,20],29:[2,20]},{23:[2,21],28:[2,21],29:[2,21]},{10:29,23:[1,13]},{10:31,18:30,23:[1,13]},{23:[2,14]},{23:[2,15]},{14:32,30:[1,16]},{23:[2,18]},{23:[2,22]},{23:[2,23]},{14:33,30:[1,16]},{14:34,30:[1,16]},{19:[1,35],30:[2,12]},{5:[2,16],8:[2,16],9:[2,16],13:[2,16],15:[2,16],23:[2,16]},{5:[2,10],8:[2,10],9:[2,10],13:[2,10],15:[2,10],23:[2,10]},{5:[2,11],8:[2,11],9:[2,11],13:[2,11],15:[2,11],23:[2,11]},{10:36,23:[1,13]},{30:[2,13]}],defaultActions:{3:[2,1],23:[2,14],24:[2,15],26:[2,18],27:[2,22],28:[2,23],36:[2,13]},parseError:function(str,hash){if(!hash.recoverable)throw new Error(str);this.trace(str)},parse:function(input){function lex(){var token;return token=self.lexer.lex()||EOF,"number"!=typeof token&&(token=self.symbols_[token]||token),token}var self=this,stack=[0],vstack=[null],lstack=[],table=this.table,yytext="",yylineno=0,yyleng=0,recovering=0,TERROR=2,EOF=1;this.lexer.setInput(input),this.lexer.yy=this.yy,this.yy.lexer=this.lexer,this.yy.parser=this,"undefined"==typeof this.lexer.yylloc&&(this.lexer.yylloc={});var yyloc=this.lexer.yylloc;lstack.push(yyloc);var ranges=this.lexer.options&&this.lexer.options.ranges;this.parseError="function"==typeof this.yy.parseError?this.yy.parseError:Object.getPrototypeOf(this).parseError;for(var symbol,preErrorSymbol,state,action,r,p,len,newState,expected,yyval={};;){if(state=stack[stack.length-1],this.defaultActions[state]?action=this.defaultActions[state]:((null===symbol||"undefined"==typeof symbol)&&(symbol=lex()),action=table[state]&&table[state][symbol]),"undefined"==typeof action||!action.length||!action[0]){var errStr="";expected=[];for(p in table[state])this.terminals_[p]&&p>TERROR&&expected.push("'"+this.terminals_[p]+"'");errStr=this.lexer.showPosition?"Parse error on line "+(yylineno+1)+":\n"+this.lexer.showPosition()+"\nExpecting "+expected.join(", ")+", got '"+(this.terminals_[symbol]||symbol)+"'":"Parse error on line "+(yylineno+1)+": Unexpected "+(symbol==EOF?"end of input":"'"+(this.terminals_[symbol]||symbol)+"'"),this.parseError(errStr,{text:this.lexer.match,token:this.terminals_[symbol]||symbol,line:this.lexer.yylineno,loc:yyloc,expected:expected})}if(action[0]instanceof Array&&action.length>1)throw new Error("Parse Error: multiple actions possible at state: "+state+", token: "+symbol);switch(action[0]){case 1:stack.push(symbol),vstack.push(this.lexer.yytext),lstack.push(this.lexer.yylloc),stack.push(action[1]),symbol=null,preErrorSymbol?(symbol=preErrorSymbol,preErrorSymbol=null):(yyleng=this.lexer.yyleng,yytext=this.lexer.yytext,yylineno=this.lexer.yylineno,yyloc=this.lexer.yylloc,recovering>0&&recovering--);break;case 2:if(len=this.productions_[action[1]][1],yyval.$=vstack[vstack.length-len],yyval._$={first_line:lstack[lstack.length-(len||1)].first_line,last_line:lstack[lstack.length-1].last_line,first_column:lstack[lstack.length-(len||1)].first_column,last_column:lstack[lstack.length-1].last_column},ranges&&(yyval._$.range=[lstack[lstack.length-(len||1)].range[0],lstack[lstack.length-1].range[1]]),r=this.performAction.call(yyval,yytext,yyleng,yylineno,this.yy,action[1],vstack,lstack),"undefined"!=typeof r)return r;len&&(stack=stack.slice(0,2*-1*len),vstack=vstack.slice(0,-1*len),lstack=lstack.slice(0,-1*len)),stack.push(this.productions_[action[1]][0]),vstack.push(yyval.$),lstack.push(yyval._$),newState=table[stack[stack.length-2]][stack[stack.length-1]],stack.push(newState);break;case 3:return!0}}return!0}},lexer=function(){var lexer={EOF:1,parseError:function(str,hash){if(!this.yy.parser)throw new Error(str);this.yy.parser.parseError(str,hash)},setInput:function(input){return this._input=input,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var ch=this._input[0];this.yytext+=ch,this.yyleng++,this.offset++,this.match+=ch,this.matched+=ch;var lines=ch.match(/(?:\r\n?|\n).*/g);return lines?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),ch},unput:function(ch){var len=ch.length,lines=ch.split(/(?:\r\n?|\n)/g);this._input=ch+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-len-1),this.offset-=len;var oldLines=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),lines.length-1&&(this.yylineno-=lines.length-1);var r=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:lines?(lines.length===oldLines.length?this.yylloc.first_column:0)+oldLines[oldLines.length-lines.length].length-lines[0].length:this.yylloc.first_column-len},this.options.ranges&&(this.yylloc.range=[r[0],r[0]+this.yyleng-len]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(n){this.unput(this.match.slice(n))},pastInput:function(){var past=this.matched.substr(0,this.matched.length-this.match.length);return(past.length>20?"...":"")+past.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var next=this.match;return next.length<20&&(next+=this._input.substr(0,20-next.length)),(next.substr(0,20)+(next.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var pre=this.pastInput(),c=new Array(pre.length+1).join("-");return pre+this.upcomingInput()+"\n"+c+"^"},test_match:function(match,indexed_rule){var token,lines,backup;if(this.options.backtrack_lexer&&(backup={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(backup.yylloc.range=this.yylloc.range.slice(0))),lines=match[0].match(/(?:\r\n?|\n).*/g),lines&&(this.yylineno+=lines.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:lines?lines[lines.length-1].length-lines[lines.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+match[0].length},this.yytext+=match[0],this.match+=match[0],this.matches=match,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(match[0].length),this.matched+=match[0],token=this.performAction.call(this,this.yy,this,indexed_rule,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),token)return token;if(this._backtrack){for(var k in backup)this[k]=backup[k];return!1}return!1},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var token,match,tempMatch,index;this._more||(this.yytext="",this.match="");for(var rules=this._currentRules(),i=0;imatch[0].length)){if(match=tempMatch,index=i,this.options.backtrack_lexer){if(token=this.test_match(tempMatch,rules[i]),token!==!1)return token;if(this._backtrack){match=!1;continue}return!1}if(!this.options.flex)break}return match?(token=this.test_match(match,rules[index]),token!==!1?token:!1):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var r=this.next();return r?r:this.lex()},begin:function(condition){this.conditionStack.push(condition)},popState:function(){var n=this.conditionStack.length-1;return n>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(n){return n=this.conditionStack.length-1-Math.abs(n||0),n>=0?this.conditionStack[n]:"INITIAL"},pushState:function(condition){this.begin(condition)},stateStackSize:function(){return this.conditionStack.length},options:{"case-insensitive":!0},performAction:function(yy,yy_,$avoiding_name_collisions,YY_START){switch($avoiding_name_collisions){case 0:return 8;case 1:break;case 2:break;case 3:return 9;case 4:return 20;case 5:return 21;case 6:return 17;case 7:return 15;case 8:return 13;case 9:return 19;case 10:return 23;case 11:return 27;case 12:return 26;case 13:return 29;case 14:return 28;case 15:return 30;case 16:return 5;case 17:return"INVALID"}},rules:[/^(?:[\n]+)/i,/^(?:\s+)/i,/^(?:#[^\n]*)/i,/^(?:participant\b)/i,/^(?:left of\b)/i,/^(?:right of\b)/i,/^(?:over\b)/i,/^(?:note\b)/i,/^(?:title\b)/i,/^(?:,)/i,/^(?:[^\->:\n,]+)/i,/^(?:--)/i,/^(?:-)/i,/^(?:>>)/i,/^(?:>)/i,/^(?:[^#\n]+)/i,/^(?:$)/i,/^(?:.)/i],conditions:{INITIAL:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17],inclusive:!0}}};return lexer}();return parser.lexer=lexer,Parser.prototype=parser,parser.Parser=Parser,new Parser}();"undefined"!=typeof require&&"undefined"!=typeof exports&&(exports.parser=grammar,exports.Parser=grammar.Parser,exports.parse=function(){return grammar.parse.apply(grammar,arguments)},exports.main=function(args){args[1]||(console.log("Usage: "+args[0]+" FILE"),process.exit(1));var 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strict"; 7 | function AssertException(message){this.message=message}function assert(exp,message){if(!exp)throw new AssertException(message)}function getCenterX(box){return box.x+box.width/2}function getCenterY(box){return box.y+box.height/2}var DIAGRAM_MARGIN=10,ACTOR_MARGIN=10,ACTOR_PADDING=10,SIGNAL_MARGIN=5,SIGNAL_PADDING=5,NOTE_MARGIN=10,NOTE_PADDING=5,NOTE_OVERLAP=15,TITLE_MARGIN=0,TITLE_PADDING=5,SELF_SIGNAL_WIDTH=20,PLACEMENT=Diagram.PLACEMENT,LINETYPE=Diagram.LINETYPE,ARROWTYPE=Diagram.ARROWTYPE,LINE={stroke:"#000","stroke-width":2},RECT={fill:"#fff"};AssertException.prototype.toString=function(){return"AssertException: "+this.message},String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^\s+|\s+$/g,"")}),Raphael.fn.line=function(x1,y1,x2,y2){return assert(_.all([x1,x2,y1,y2],_.isFinite),"x1,x2,y1,y2 must be numeric"),this.path("M{0},{1} L{2},{3}",x1,y1,x2,y2)},Raphael.fn.wobble=function(x1,y1,x2,y2){assert(_.all([x1,x2,y1,y2],_.isFinite),"x1,x2,y1,y2 must be numeric");var wobble=Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1))/25,r1=Math.random(),r2=Math.random(),xfactor=Math.random()>.5?wobble:-wobble,yfactor=Math.random()>.5?wobble:-wobble,p1={x:(x2-x1)*r1+x1+xfactor,y:(y2-y1)*r1+y1+yfactor},p2={x:(x2-x1)*r2+x1-xfactor,y:(y2-y1)*r2+y1-yfactor};return"C"+p1.x+","+p1.y+" "+p2.x+","+p2.y+" "+x2+","+y2},Raphael.fn.text_bbox=function(text,font){var p;font._obj?p=this.print_center(0,0,text,font._obj,font["font-size"]):(p=this.text(0,0,text),p.attr(font));var bb=p.getBBox();return p.remove(),bb},Raphael.fn.handRect=function(x,y,w,h){return assert(_.all([x,y,w,h],_.isFinite),"x, y, w, h must be numeric"),this.path("M"+x+","+y+this.wobble(x,y,x+w,y)+this.wobble(x+w,y,x+w,y+h)+this.wobble(x+w,y+h,x,y+h)+this.wobble(x,y+h,x,y)).attr(RECT)},Raphael.fn.handLine=function(x1,y1,x2,y2){return assert(_.all([x1,x2,y1,y2],_.isFinite),"x1,x2,y1,y2 must be numeric"),this.path("M"+x1+","+y1+this.wobble(x1,y1,x2,y2))},Raphael.fn.print_center=function(x,y,string,font,size,letter_spacing){var path=this.print(x,y,string,font,size,"baseline",letter_spacing),bb=path.getBBox(),dx=x-bb.x-bb.width/2,dy=y-bb.y-bb.height/2,m=new Raphael.matrix;return m.translate(dx,dy),path.attr("path",Raphael.mapPath(path.attr("path"),m))};var BaseTheme=function(diagram){this.init(diagram)};_.extend(BaseTheme.prototype,{init:function(diagram){this.diagram=diagram,this._paper=void 0,this._font=void 0,this._title=void 0,this._actors_height=0,this._signals_height=0;var a=this.arrow_types={};a[ARROWTYPE.FILLED]="block",a[ARROWTYPE.OPEN]="open";var l=this.line_types={};l[LINETYPE.SOLID]="",l[LINETYPE.DOTTED]="-"},init_paper:function(container){this._paper=new Raphael(container,320,200)},init_font:function(){},draw_line:function(x1,y1,x2,y2){return this._paper.line(x1,y1,x2,y2)},draw_rect:function(x,y,w,h){return this._paper.rect(x,y,w,h)},draw:function(container){var diagram=this.diagram;this.init_paper(container),this.init_font(),this.layout();var title_height=this._title?this._title.height:0;this._paper.setStart(),this._paper.setSize(diagram.width,diagram.height);var y=DIAGRAM_MARGIN+title_height;this.draw_title(),this.draw_actors(y),this.draw_signals(y+this._actors_height),this._paper.setFinish()},layout:function(){function actor_ensure_distance(a,b,d){assert(b>a,"a must be less than or equal to b"),0>a?(b=actors[b],b.x=Math.max(d-b.width/2,b.x)):b>=actors.length?(a=actors[a],a.padding_right=Math.max(d,a.padding_right)):(a=actors[a],a.distances[b]=Math.max(d,a.distances[b]?a.distances[b]:0))}var diagram=this.diagram,paper=this._paper,font=this._font,actors=diagram.actors,signals=diagram.signals;if(diagram.width=0,diagram.height=0,diagram.title){var title=this._title={},bb=paper.text_bbox(diagram.title,font);title.text_bb=bb,title.message=diagram.title,title.width=bb.width+2*(TITLE_PADDING+TITLE_MARGIN),title.height=bb.height+2*(TITLE_PADDING+TITLE_MARGIN),title.x=DIAGRAM_MARGIN,title.y=DIAGRAM_MARGIN,diagram.width+=title.width,diagram.height+=title.height}_.each(actors,function(a){var bb=paper.text_bbox(a.name,font);a.text_bb=bb,a.x=0,a.y=0,a.width=bb.width+2*(ACTOR_PADDING+ACTOR_MARGIN),a.height=bb.height+2*(ACTOR_PADDING+ACTOR_MARGIN),a.distances=[],a.padding_right=0,this._actors_height=Math.max(a.height,this._actors_height)},this),_.each(signals,function(s){var a,b,bb=paper.text_bbox(s.message,font);s.text_bb=bb,s.width=bb.width,s.height=bb.height;var extra_width=0;if("Signal"==s.type)s.width+=2*(SIGNAL_MARGIN+SIGNAL_PADDING),s.height+=2*(SIGNAL_MARGIN+SIGNAL_PADDING),s.isSelf()?(a=s.actorA.index,b=a+1,s.width+=SELF_SIGNAL_WIDTH):(a=Math.min(s.actorA.index,s.actorB.index),b=Math.max(s.actorA.index,s.actorB.index));else{if("Note"!=s.type)throw new Error("Unhandled signal type:"+s.type);if(s.width+=2*(NOTE_MARGIN+NOTE_PADDING),s.height+=2*(NOTE_MARGIN+NOTE_PADDING),extra_width=2*ACTOR_MARGIN,s.placement==PLACEMENT.LEFTOF)b=s.actor.index,a=b-1;else if(s.placement==PLACEMENT.RIGHTOF)a=s.actor.index,b=a+1;else if(s.placement==PLACEMENT.OVER&&s.hasManyActors())a=Math.min(s.actor[0].index,s.actor[1].index),b=Math.max(s.actor[0].index,s.actor[1].index),extra_width=-(2*NOTE_PADDING+2*NOTE_OVERLAP);else if(s.placement==PLACEMENT.OVER)return a=s.actor.index,actor_ensure_distance(a-1,a,s.width/2),actor_ensure_distance(a,a+1,s.width/2),this._signals_height+=s.height,void 0}actor_ensure_distance(a,b,s.width+extra_width),this._signals_height+=s.height},this);var actors_x=0;return _.each(actors,function(a){a.x=Math.max(actors_x,a.x),_.each(a.distances,function(distance,b){"undefined"!=typeof distance&&(b=actors[b],distance=Math.max(distance,a.width/2,b.width/2),b.x=Math.max(b.x,a.x+a.width/2+distance-b.width/2))}),actors_x=a.x+a.width+a.padding_right},this),diagram.width=Math.max(actors_x,diagram.width),diagram.width+=2*DIAGRAM_MARGIN,diagram.height+=2*DIAGRAM_MARGIN+2*this._actors_height+this._signals_height,this},draw_title:function(){var title=this._title;title&&this.draw_text_box(title,title.message,TITLE_MARGIN,TITLE_PADDING,this._font)},draw_actors:function(offsetY){var y=offsetY;_.each(this.diagram.actors,function(a){this.draw_actor(a,y,this._actors_height),this.draw_actor(a,y+this._actors_height+this._signals_height,this._actors_height);var aX=getCenterX(a),line=this.draw_line(aX,y+this._actors_height-ACTOR_MARGIN,aX,y+this._actors_height+ACTOR_MARGIN+this._signals_height);line.attr(LINE)},this)},draw_actor:function(actor,offsetY,height){actor.y=offsetY,actor.height=height,this.draw_text_box(actor,actor.name,ACTOR_MARGIN,ACTOR_PADDING,this._font)},draw_signals:function(offsetY){var y=offsetY;_.each(this.diagram.signals,function(s){"Signal"==s.type?s.isSelf()?this.draw_self_signal(s,y):this.draw_signal(s,y):"Note"==s.type&&this.draw_note(s,y),y+=s.height},this)},draw_self_signal:function(signal,offsetY){assert(signal.isSelf(),"signal must be a self signal");var text_bb=signal.text_bb,aX=getCenterX(signal.actorA),x=aX+SELF_SIGNAL_WIDTH+SIGNAL_PADDING-text_bb.x,y=offsetY+signal.height/2;this.draw_text(x,y,signal.message,this._font);var line,attr=_.extend({},LINE,{"stroke-dasharray":this.line_types[signal.linetype]}),y1=offsetY+SIGNAL_MARGIN,y2=y1+signal.height-SIGNAL_MARGIN;line=this.draw_line(aX,y1,aX+SELF_SIGNAL_WIDTH,y1),line.attr(attr),line=this.draw_line(aX+SELF_SIGNAL_WIDTH,y1,aX+SELF_SIGNAL_WIDTH,y2),line.attr(attr),line=this.draw_line(aX+SELF_SIGNAL_WIDTH,y2,aX,y2),attr["arrow-end"]=this.arrow_types[signal.arrowtype]+"-wide-long",line.attr(attr)},draw_signal:function(signal,offsetY){var aX=getCenterX(signal.actorA),bX=getCenterX(signal.actorB),x=(bX-aX)/2+aX,y=offsetY+SIGNAL_MARGIN+2*SIGNAL_PADDING;this.draw_text(x,y,signal.message,this._font),y=offsetY+signal.height-SIGNAL_MARGIN-SIGNAL_PADDING;var line=this.draw_line(aX,y,bX,y);line.attr(LINE),line.attr({"arrow-end":this.arrow_types[signal.arrowtype]+"-wide-long","stroke-dasharray":this.line_types[signal.linetype]})},draw_note:function(note,offsetY){note.y=offsetY;var actorA=note.hasManyActors()?note.actor[0]:note.actor,aX=getCenterX(actorA);switch(note.placement){case PLACEMENT.RIGHTOF:note.x=aX+ACTOR_MARGIN;break;case PLACEMENT.LEFTOF:note.x=aX-ACTOR_MARGIN-note.width;break;case PLACEMENT.OVER:if(note.hasManyActors()){var bX=getCenterX(note.actor[1]),overlap=NOTE_OVERLAP+NOTE_PADDING;note.x=aX-overlap,note.width=bX+overlap-note.x}else note.x=aX-note.width/2;break;default:throw new Error("Unhandled note placement:"+note.placement)}this.draw_text_box(note,note.message,NOTE_MARGIN,NOTE_PADDING,this._font)},draw_text:function(x,y,text,font){var t,paper=this._paper,f=font||{};f._obj?t=paper.print_center(x,y,text,f._obj,f["font-size"]):(t=paper.text(x,y,text),t.attr(f));var bb=t.getBBox(),r=paper.rect(bb.x,bb.y,bb.width,bb.height);r.attr({fill:"#fff",stroke:"none"}),t.toFront()},draw_text_box:function(box,text,margin,padding,font){var x=box.x+margin,y=box.y+margin,w=box.width-2*margin,h=box.height-2*margin,rect=this.draw_rect(x,y,w,h);rect.attr(LINE),x=getCenterX(box),y=getCenterY(box),this.draw_text(x,y,text,font)}});var RaphaelTheme=function(diagram){this.init(diagram)};_.extend(RaphaelTheme.prototype,BaseTheme.prototype,{init_font:function(){this._font={"font-size":16,"font-family":"Andale Mono, monospace"}}});var HandRaphaelTheme=function(diagram){this.init(diagram)};_.extend(HandRaphaelTheme.prototype,BaseTheme.prototype,{init_font:function(){this._font={"font-size":16,"font-family":"daniel"},this._font._obj=this._paper.getFont("daniel")},draw_line:function(x1,y1,x2,y2){return this._paper.handLine(x1,y1,x2,y2)},draw_rect:function(x,y,w,h){return this._paper.handRect(x,y,w,h)}});var themes={simple:RaphaelTheme,hand:HandRaphaelTheme};Diagram.prototype.drawSVG=function(container,options){var default_options={theme:"hand"};if(options=_.defaults(options||{},default_options),!(options.theme in themes))throw new Error("Unsupported theme: "+options.theme);var drawing=new themes[options.theme](this);drawing.draw(container)}}(); 8 | //# sourceMappingURL=build/sequence-diagram-min.js.map 9 | --------------------------------------------------------------------------------