├── LICENSE ├── README.md ├── invoice_template.html ├── packages.txt ├── requirements.txt └── streamlit_app.py /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # 💰 Invoice Generator 2 | 3 | A Streamlit app to show how you can easily use Streamlit to generate invoices as PDFs. 4 | 5 | [](https://share.streamlit.io/streamlit/example-app-invoice-generator/main) 6 | 7 |
App screenshot | 10 |Invoice template | 11 |
![]() |
16 | ![]() |
19 |
{{ my_variable }}
variable placeholders as supported by [jinja](https://jinja.palletsprojects.com/en/3.1.x/).
40 | - Our example template here is [`invoice_template.html`](https://github.com/streamlit/example-app-invoice-generator/blob/main/invoice_template.html) and you can see placeholders e.g. [here](https://github.com/streamlit/example-app-invoice-generator/blob/main/invoice_template.html#L329).
41 |
42 | 🪄 Tip: if you're not an HTML expert (or if you're lazy, or both) just kick-off your template using Google Docs at docs.new and then export it as HTML using File > Download > Web page (.html, zipped). For example, this is our original template in Google Docs!
43 |
44 | ### Questions? Comments?
45 |
46 | Please ask in the [Streamlit community](https://discuss.streamlit.io).
47 |
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/invoice_template.html:
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Company {{ company_name }}
313 |4218 Blackwell Street
314 |Anchorage
315 |Alaska
316 |907-334-3873
317 |907-360-5699
318 |319 |
320 |
INVOICE DETAILS
321 |322 |
326 | CUSTOMER NAME 327 | |
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329 | {{ customer_name }} 330 | |
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334 | CUSTOMER ADDRESS 335 | |
336 |
337 | {{ customer_address }} 338 | |
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342 | PRODUCT TYPE 343 | |
344 |
345 | {{ product_type }} 346 | |
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350 | QUANTITY 351 | |
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353 | {{ quantity }} 354 | |
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358 | PRICE PER UNIT ($) 359 | |
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361 | {{ price_per_unit }} 362 | |
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366 | TOTAL ($) 367 | |
368 |
369 | {{ total }} 370 | |
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TERMS AND CONDITIONS
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Payment is due within 15 days.
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Mock invoice generated using Streamlit ☺
388 | 389 | 390 | -------------------------------------------------------------------------------- /packages.txt: -------------------------------------------------------------------------------- 1 | wkhtmltopdf 2 | -------------------------------------------------------------------------------- /requirements.txt: -------------------------------------------------------------------------------- 1 | pdfkit 2 | streamlit 3 | -------------------------------------------------------------------------------- /streamlit_app.py: -------------------------------------------------------------------------------- 1 | import pdfkit 2 | import streamlit as st 3 | from jinja2 import Environment, FileSystemLoader, select_autoescape 4 | 5 | st.set_page_config(layout="centered", page_icon="💰", page_title="Invoice Generator") 6 | st.title("💰 Invoice Generator") 7 | 8 | st.write( 9 | "This app shows how you can use Streamlit to make an invoice generator app in just a few lines of code!" 10 | ) 11 | 12 | 13 | env = Environment(loader=FileSystemLoader("."), autoescape=select_autoescape()) 14 | template = env.get_template("invoice_template.html") 15 | 16 | 17 | with st.form("template_form"): 18 | left, right = st.columns((1, 10)) 19 | color = left.color_picker("Color", value="#b4cffa") 20 | company_name = right.text_input("Company name", value="SkiFoo") 21 | left, right = st.columns(2) 22 | customer_name = left.text_input("Customer name", value="Slope Corporation") 23 | customer_address = right.text_input("Customer address", value="Red skiing runs") 24 | product_type = left.selectbox("Product type", ["Data app crafting", "ML model training"]) 25 | quantity = right.number_input("Quantity", 1, 10) 26 | price_per_unit = st.slider("Price per unit", 1, 100, 60) 27 | total = price_per_unit * quantity 28 | submit = st.form_submit_button() 29 | 30 | if submit: 31 | html = template.render( 32 | color=color, 33 | company_name=company_name, 34 | customer_name=customer_name, 35 | customer_address=customer_address, 36 | product_type=product_type, 37 | quantity=quantity, 38 | price_per_unit=price_per_unit, 39 | total=total, 40 | ) 41 | 42 | pdf = pdfkit.from_string(html, False) 43 | st.balloons() 44 | 45 | st.success("🎉 Your invoice was generated!") 46 | 47 | st.download_button( 48 | "⬇️ Download PDF", 49 | data=pdf, 50 | file_name="invoice.pdf", 51 | mime="application/octet-stream", 52 | ) 53 | --------------------------------------------------------------------------------