├── tests └── __init__.py ├── klipper_repl ├── __init__.py ├── output.py ├── lexer.py ├── api.py └── cli.py ├── assets └── screenshot.png ├── .gitignore ├── .envrc ├── pyproject.toml ├── flake.lock ├── flake.nix ├── poetry.lock ├── README.md └── COPYING /tests/__init__.py: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /klipper_repl/__init__.py: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /assets/screenshot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/unjordy/klipper-repl/HEAD/assets/screenshot.png -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | .idea 3 | *.log 4 | tmp/ 5 | dist/ 6 | result 7 | .direnv/ 8 | 9 | *.py[cod] 10 | *.egg 11 | build 12 | htmlcov 13 | -------------------------------------------------------------------------------- /.envrc: -------------------------------------------------------------------------------- 1 | if ! has nix_direnv_version || ! nix_direnv_version 2.3.0; then 2 | source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/2.3.0/direnvrc" "sha256-Dmd+j63L84wuzgyjITIfSxSD57Tx7v51DMxVZOsiUD8=" 3 | fi 4 | use flake 5 | watch_file pyproject.toml poetry.lock klipper-repl/*.py 6 | -------------------------------------------------------------------------------- /pyproject.toml: -------------------------------------------------------------------------------- 1 | [tool.poetry] 2 | name = "klipper-repl" 3 | version = "0.2.0" 4 | description = "The missing Klipper command line" 5 | authors = ["Jordan Mulcahey "] 6 | readme = "README.md" 7 | packages = [{include = "klipper_repl"}] 8 | 9 | [tool.poetry.dependencies] 10 | python = "^3.10" 11 | prompt-toolkit = "^3.0.38" 12 | pygments = "^2.15.1" 13 | 14 | [tool.poetry.scripts] 15 | klipper-repl = "klipper_repl.cli:main" 16 | 17 | 18 | [build-system] 19 | requires = ["poetry-core"] 20 | build-backend = "poetry.core.masonry.api" 21 | -------------------------------------------------------------------------------- /flake.lock: -------------------------------------------------------------------------------- 1 | { 2 | "nodes": { 3 | "nixpkgs": { 4 | "locked": { 5 | "lastModified": 1683777345, 6 | "narHash": "sha256-V2p/A4RpEGqEZussOnHYMU6XglxBJGCODdzoyvcwig8=", 7 | "owner": "NixOS", 8 | "repo": "nixpkgs", 9 | "rev": "635a306fc8ede2e34cb3dd0d6d0a5d49362150ed", 10 | "type": "github" 11 | }, 12 | "original": { 13 | "owner": "NixOS", 14 | "ref": "nixpkgs-unstable", 15 | "repo": "nixpkgs", 16 | "type": "github" 17 | } 18 | }, 19 | "root": { 20 | "inputs": { 21 | "nixpkgs": "nixpkgs" 22 | } 23 | } 24 | }, 25 | "root": "root", 26 | "version": 7 27 | } 28 | -------------------------------------------------------------------------------- /flake.nix: -------------------------------------------------------------------------------- 1 | { 2 | inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; 3 | 4 | outputs = { self, nixpkgs }: 5 | let 6 | supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ]; 7 | forAllSystems = nixpkgs.lib.genAttrs supportedSystems; 8 | pkgs = forAllSystems (system: nixpkgs.legacyPackages.${system}); 9 | in 10 | { 11 | packages = forAllSystems (system: { 12 | default = pkgs.${system}.poetry2nix.mkPoetryApplication { projectDir = self; }; 13 | }); 14 | 15 | devShells = forAllSystems (system: { 16 | default = pkgs.${system}.mkShellNoCC { 17 | packages = with pkgs.${system}; [ 18 | (poetry2nix.mkPoetryEnv { projectDir = self; }) 19 | poetry 20 | ]; 21 | }; 22 | }); 23 | }; 24 | } 25 | -------------------------------------------------------------------------------- /klipper_repl/output.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | 3 | import re 4 | 5 | from time import localtime, strftime 6 | 7 | from prompt_toolkit import print_formatted_text as print 8 | from prompt_toolkit.formatted_text import FormattedText 9 | 10 | temp_regex = re.compile(r'^(?:ok\s+)?(b|t\d+):\d+\.\d+ \/\d+\.+\d+', flags=re.IGNORECASE) 11 | 12 | def format_output(prefix, s): 13 | if s.startswith('!!'): 14 | return FormattedText([('red', f'{prefix} {s}')]) 15 | elif temp_regex.match(s): 16 | return None 17 | else: 18 | return FormattedText([('gray', f'{prefix} {s}')]) 19 | 20 | def print_output(s): 21 | ts = strftime('%I:%M:%S %p', localtime()) 22 | gap = ' ' * len(ts) 23 | lines = s.splitlines() 24 | s0 = format_output(ts, lines[0]) 25 | if s0 is not None: 26 | print(s0) 27 | for l in lines[1:]: 28 | s = format_output(gap, l) 29 | if s is not None: 30 | print(s) 31 | 32 | async def render_output(data): 33 | output = data.get('params', {}).get('response') 34 | if output is not None: 35 | print_output(output) 36 | -------------------------------------------------------------------------------- /klipper_repl/lexer.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | 3 | from prompt_toolkit.styles import Style, style_from_pygments_cls, merge_styles 4 | 5 | from pygments.lexer import RegexLexer, bygroups 6 | from pygments.token import Comment, Name, Text, Keyword, Number 7 | from pygments.styles.gruvbox import GruvboxDarkStyle 8 | 9 | from .api import shared 10 | 11 | style = merge_styles([ 12 | style_from_pygments_cls(GruvboxDarkStyle), 13 | Style.from_dict({ 14 | 'pygments.name.function': '#51b0ff' 15 | }) 16 | ]) 17 | 18 | class KlipperLexer(RegexLexer): 19 | tokens = { 20 | 'root': [ 21 | (r';.*?$', Comment), 22 | (r'[gmGM]\d{1,4}', Name.Builtin), # M or G commands 23 | (r'([^gGmM])([+-]?\d*[.]?\d+)', bygroups(Keyword, Number)), 24 | (r',', Text.Punctuation), 25 | (r'\s', Text.Whitespace), 26 | (r'\w+', Text), 27 | ] 28 | } 29 | 30 | def get_tokens_unprocessed(self, text): 31 | for index, token, value in RegexLexer.get_tokens_unprocessed(self, text): 32 | if token is Text and value.upper() in shared.macro_list: 33 | yield index, Name.Function, value 34 | else: 35 | yield index, token, value 36 | -------------------------------------------------------------------------------- /poetry.lock: -------------------------------------------------------------------------------- 1 | # This file is automatically @generated by Poetry 1.4.2 and should not be changed by hand. 2 | 3 | [[package]] 4 | name = "prompt-toolkit" 5 | version = "3.0.38" 6 | description = "Library for building powerful interactive command lines in Python" 7 | category = "main" 8 | optional = false 9 | python-versions = ">=3.7.0" 10 | files = [ 11 | {file = "prompt_toolkit-3.0.38-py3-none-any.whl", hash = "sha256:45ea77a2f7c60418850331366c81cf6b5b9cf4c7fd34616f733c5427e6abbb1f"}, 12 | {file = "prompt_toolkit-3.0.38.tar.gz", hash = "sha256:23ac5d50538a9a38c8bde05fecb47d0b403ecd0662857a86f886f798563d5b9b"}, 13 | ] 14 | 15 | [package.dependencies] 16 | wcwidth = "*" 17 | 18 | [[package]] 19 | name = "pygments" 20 | version = "2.15.1" 21 | description = "Pygments is a syntax highlighting package written in Python." 22 | category = "main" 23 | optional = false 24 | python-versions = ">=3.7" 25 | files = [ 26 | {file = "Pygments-2.15.1-py3-none-any.whl", hash = "sha256:db2db3deb4b4179f399a09054b023b6a586b76499d36965813c71aa8ed7b5fd1"}, 27 | {file = "Pygments-2.15.1.tar.gz", hash = "sha256:8ace4d3c1dd481894b2005f560ead0f9f19ee64fe983366be1a21e171d12775c"}, 28 | ] 29 | 30 | [package.extras] 31 | plugins = ["importlib-metadata"] 32 | 33 | [[package]] 34 | name = "wcwidth" 35 | version = "0.2.6" 36 | description = "Measures the displayed width of unicode strings in a terminal" 37 | category = "main" 38 | optional = false 39 | python-versions = "*" 40 | files = [ 41 | {file = "wcwidth-0.2.6-py2.py3-none-any.whl", hash = "sha256:795b138f6875577cd91bba52baf9e445cd5118fd32723b460e30a0af30ea230e"}, 42 | {file = "wcwidth-0.2.6.tar.gz", hash = "sha256:a5220780a404dbe3353789870978e472cfe477761f06ee55077256e509b156d0"}, 43 | ] 44 | 45 | [metadata] 46 | lock-version = "2.0" 47 | python-versions = "^3.10" 48 | content-hash = "34c6485e31e124d5b341e56e840e98425023f619db500f5c34610944db7f0533" 49 | -------------------------------------------------------------------------------- /klipper_repl/api.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | 3 | import json 4 | import threading 5 | 6 | from enum import IntEnum 7 | 8 | from .output import render_output 9 | 10 | class ResponseType(IntEnum): 11 | Info = 0 12 | Gcode = 1 13 | Macros = 2 14 | 15 | shared = threading.local() 16 | shared.connection_info = {} 17 | shared.macro_list = [] 18 | 19 | async def update_connection_info(data, event): 20 | global shared 21 | shared.connection_info = data.get('result') 22 | event.set() 23 | 24 | async def update_macros(data, event): 25 | global shared 26 | output = data.get('result') 27 | if output is not None: 28 | shared.macro_list = list(output.keys()) 29 | event.set() 30 | 31 | async def receive_task(reader, connect_event, macro_event, disconnect_event): 32 | try: 33 | while True: 34 | data = await reader.readuntil(separator=b'\x03') 35 | res = json.loads(data[:-1].decode()) 36 | if res.get('key') == ResponseType.Gcode: 37 | await render_output(res) 38 | elif res.get('id') == ResponseType.Macros: 39 | await update_macros(res, macro_event) 40 | elif res.get('id') == ResponseType.Info: 41 | await update_connection_info(res, connect_event) 42 | except Exception as e: 43 | disconnect_event.set() 44 | 45 | def rpc(method, id=None, key=None, params=None): 46 | call = { 'method': method } 47 | p = { } 48 | if id is not None: 49 | call['id'] = id 50 | if key is not None: 51 | p['response_template'] = { 'key': key } 52 | if params is not None: 53 | p.update(params) 54 | if len(p) > 0: 55 | call['params'] = p 56 | 57 | return call 58 | 59 | async def klipper_call(writer, methods): 60 | s = '\x03'.join([json.dumps(x, separators=(',', ':')) for x in methods]) 61 | writer.write(('%s\x03' % s).encode()) 62 | await writer.drain() 63 | 64 | async def emergency_stop(writer): 65 | await klipper_call(writer, [ 66 | rpc('emergency_stop', id=0) 67 | ]) 68 | 69 | async def send_gcode(writer, gcode): 70 | cmds = [x.strip() for x in gcode.split(',')] 71 | if 'M112' in [x.upper() for x in cmds]: 72 | return await emergency_stop(writer) 73 | 74 | await klipper_call(writer, [rpc('gcode/script', 75 | params={ 'script': x }) 76 | for x in cmds]) 77 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # klipper-repl 2 | 3 | _The missing Klipper command line._ 4 | 5 | ![Screenshot of klipper-repl](assets/screenshot.png) 6 | 7 | `klipper-repl` is a command line reimplementation of the browser-based G-Code 8 | console implemented by Klipper frontends like [Fluidd](https://docs.fluidd.xyz/) 9 | and [Mainsail](https://docs.mainsail.xyz/). Its features include: 10 | - Automatic reconnection if Klipper restarts or is unavailable 11 | - Scripting support 12 | - Multiple G-Code commands per line -- use `,` as a separator 13 | - Syntax highlighting for both G-Code and user-defined macros 14 | - Tab autocompletion for user-defined macros 15 | - M112 emergency stop processing 16 | - Support for multiple printers via [GNU 17 | Parallel](https://www.gnu.org/software/parallel/) 18 | 19 | ## Installing 20 | ### Via a Nix flake 21 | If you have the [Nix package manager](https://nixos.org/), this package is 22 | available as a [Nix flake](https://nixos.wiki/wiki/Flakes). An example 23 | `flake.nix` for a host running Klipper is: 24 | 25 | ``` nix 26 | { 27 | inputs = { 28 | nix-doom-emacs.url = "github:unjordy/klipper-repl"; 29 | }; 30 | 31 | outputs = { 32 | self, 33 | nixpkgs, 34 | klipper-repl, 35 | ... 36 | }: { 37 | nixosConfigurations.klipperHost = nixpkgs.lib.nixosSystem { 38 | system = "x86_64-linux"; 39 | modules = [ 40 | { 41 | environment.systemPackages = [ 42 | klipper-repl.packages.${system}.default 43 | ]; 44 | } 45 | ]; 46 | }; 47 | }; 48 | } 49 | ``` 50 | 51 | You can also run `klipper-repl` without installing it using 52 | 53 | ``` nix 54 | nix run github:unjordy/klipper-repl 55 | ``` 56 | 57 | ### Via pip 58 | 59 | ``` sh 60 | pip install klipper-repl 61 | ``` 62 | 63 | ## Usage 64 | ### Running interactively 65 | Assuming `klipper-repl` is running on the same host you're currently logged 66 | into, and that your [Klipper API](https://www.klipper3d.org/API_Server.html) 67 | socker is located at `/run/klipper/api`, you can get an interactive G-Code REPL 68 | with: 69 | 70 | ``` sh 71 | klipper-repl /run/klipper/api 72 | ``` 73 | 74 | ### Usage in scripts 75 | You can evaluate one line of G-Code as follows. Note that you can use the `,` 76 | character to incorporate multiple G-Code commands into one line, and that G-Code 77 | is case-insensitive (but generally gets converted to uppercase by Klipper). 78 | 79 | ``` sh 80 | klipper-repl /run/klipper/api g28, screws_tilt_calculate 81 | ``` 82 | 83 | ### Emergency stop 84 | Typing the command `m112` into `klipper-repl` will immediately discard the rest 85 | of the command buffer and send an emergency stop signal to Klipper. 86 | 87 | ### Running remotely 88 | `klipper-repl` doesn't provide any of its own facilities for operating on remote 89 | systems. Instead, install `klipper-repl` on each of your Klipper hosts and use 90 | `ssh` to run it remotely. For example, to get a remote interactive REPL: 91 | 92 | ``` sh 93 | ssh klipper@klipper-host -t klipper-repl /run/klipper/api 94 | ``` 95 | 96 | Note that the `-t` argument to `ssh` allocates a TTY for `klipper-repl`, which 97 | it needs to properly render its prompt. 98 | 99 | For convenience, it's recommended to create a shell function or script that runs 100 | `klipper-repl` for a specific Klipper host and socket. For example: 101 | 102 | ``` sh 103 | #!/usr/bin/env bash 104 | 105 | ssh klipper@klipper-host -t klipper-repl /run/klipper/api $@ 106 | ``` 107 | 108 | Save this as something like `klipper-host-repl` and mark it executable, and you 109 | can use it exactly like you would `klipper-repl`. 110 | 111 | ### Sending commands to multiple printers 112 | You can combine `klipper-repl` with [GNU 113 | Parallel](https://www.gnu.org/software/parallel/) to run G-Code commands across 114 | multiple printers and multiple Klipper hosts. GNU Parallel is an incredibly 115 | flexible way to run multiple commands simultaneously and I highly recommend 116 | reading its manual, but an example of using it with `klipper-repl` to control 117 | multiple printers is: 118 | 119 | ``` sh 120 | parallel klipper-repl /run/klipper/api-{} ::: printer1 printer2 121 | ``` 122 | -------------------------------------------------------------------------------- /klipper_repl/cli.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | 3 | import sys 4 | import argparse 5 | import asyncio 6 | import json 7 | 8 | from prompt_toolkit import PromptSession, print_formatted_text as print 9 | from prompt_toolkit.patch_stdout import patch_stdout 10 | from prompt_toolkit.completion import WordCompleter 11 | from prompt_toolkit.shortcuts import CompleteStyle 12 | from prompt_toolkit.lexers import PygmentsLexer 13 | 14 | from .api import ResponseType, rpc, klipper_call, send_gcode, emergency_stop, \ 15 | receive_task, shared 16 | from .lexer import style, KlipperLexer 17 | from .output import print_output, render_output 18 | 19 | parser = argparse.ArgumentParser(description='A Klipper g-code command line.') 20 | parser.add_argument('socket', help='The Klipper API socket to connect to') 21 | parser.add_argument('gcode', nargs='*', help='G-code to send to Klipper') 22 | 23 | tasks = set() 24 | session = PromptSession(complete_style=CompleteStyle.READLINE_LIKE, style=style) 25 | 26 | 27 | async def run(args): 28 | first_connect = True 29 | first_reconnect = True 30 | stdin_read = asyncio.StreamReader() 31 | await asyncio.get_event_loop() \ 32 | .connect_read_pipe(lambda: asyncio.StreamReaderProtocol(stdin_read), \ 33 | sys.stdin) 34 | while True: 35 | try: 36 | sock_read, sock_write = await asyncio.open_unix_connection( 37 | args.socket 38 | ) 39 | connect_event = asyncio.Event() 40 | macro_event = asyncio.Event() 41 | disconnect_event = asyncio.Event() 42 | task = asyncio.create_task(receive_task(sock_read, 43 | connect_event, 44 | macro_event, 45 | disconnect_event)) 46 | tasks.add(task) 47 | task.add_done_callback(tasks.discard) 48 | await klipper_call(sock_write, [ 49 | rpc('info', id=ResponseType.Info, params={ 50 | 'client_info': { 'version': 'v1' } 51 | }), 52 | rpc('gcode/help', id=ResponseType.Macros), 53 | rpc('gcode/subscribe_output', key=ResponseType.Gcode) 54 | ]) 55 | await connect_event.wait() 56 | 57 | if len(args.gcode) > 0: 58 | await send_gcode(sock_write, ' '.join(args.gcode)) 59 | sys.exit(0) 60 | 61 | first_reconnect = True 62 | hostname = shared.connection_info.get('hostname') 63 | if first_connect: 64 | print_output(f'## Connected to Klipper at {hostname}:{args.socket}\n ^C or ^D to quit; type M112 for emergency stop') 65 | first_connect = False 66 | else: 67 | print_output('## Reconnected to Klipper') 68 | await macro_event.wait() 69 | completion = WordCompleter(shared.macro_list, ignore_case=True) 70 | lexer = PygmentsLexer(KlipperLexer) 71 | 72 | while True: 73 | try: 74 | with patch_stdout(): 75 | finished, unfinished = await asyncio.wait([asyncio.create_task(t) for t in [ 76 | session.prompt_async(f'{hostname}:{args.socket}* ', completer=completion, lexer=lexer), 77 | disconnect_event.wait() 78 | ]], return_when=asyncio.FIRST_COMPLETED) 79 | 80 | if disconnect_event.is_set(): 81 | for task in unfinished: 82 | task.cancel() 83 | await asyncio.wait(unfinished) 84 | raise ConnectionError("Receive task disconnected") 85 | 86 | line = list(finished)[0].result() 87 | await send_gcode(sock_write, line) 88 | except KeyboardInterrupt: 89 | sys.exit(0) 90 | except EOFError: 91 | sys.exit(0) 92 | 93 | except ConnectionError: 94 | if first_reconnect: 95 | print_output('## Disconnected. Waiting for Klipper...') 96 | first_reconnect = False 97 | await asyncio.sleep(0.25) 98 | 99 | def main(): 100 | if len(sys.argv) < 2: 101 | parser.print_usage() 102 | sys.exit(2) 103 | args = parser.parse_args() 104 | try: 105 | asyncio.run(run(args)) 106 | except KeyboardInterrupt: 107 | sys.exit(0) 108 | 109 | if __name__ == "__main__": 110 | main() 111 | -------------------------------------------------------------------------------- /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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No Surrender of Others' Freedom. 541 | 542 | If conditions are imposed on you (whether by court order, agreement or 543 | otherwise) that contradict the conditions of this License, they do not 544 | excuse you from the conditions of this License. If you cannot convey a 545 | covered work so as to satisfy simultaneously your obligations under this 546 | License and any other pertinent obligations, then as a consequence you may 547 | not convey it at all. For example, if you agree to terms that obligate you 548 | to collect a royalty for further conveying from those to whom you convey 549 | the Program, the only way you could satisfy both those terms and this 550 | License would be to refrain entirely from conveying the Program. 551 | 552 | 13. Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | --------------------------------------------------------------------------------