Initial commit

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

LICENSE

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+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <https://unlicense.org>

README.md

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+# shopping-list
+A simple list using Flask and a text file

app.py

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+from flask import Flask, render_template, request, redirect, url_for
+import os
+
+app = Flask(__name__)
+file_path = os.path.abspath(os.getcwd()) + '/list.txt'
+
+@app.route("/")
+def index():
+	with open(file_path, 'r') as file:
+		list = file.read().splitlines()
+	return render_template('index.html', list=list)
+
+@app.route('/add', methods=['POST'])
+def add():
+	item = request.form['item']
+	with open(file_path, 'a') as file:
+		file.write(item + '\n')
+	return redirect(url_for('index'))
+
+@app.route('/remove', methods=['POST'])
+def remove():
+	item = request.form['item']
+	with open(file_path, 'r+') as file:
+		list = file.read().splitlines()
+		list.remove(item)
+		file.seek(0)
+		file.writelines([item + '\n' for item in list])
+		file.truncate()
+	return redirect(url_for('index'))

list.txt

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+hello cruel world

templates/index.html

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+<!DOCTYPE html>
+<html>
+	<head>
+		<title>shopping-list</title>
+		<meta charset="UTF-8">
+		<meta name="viewport" content="width=device-width, initial-scale=1">
+
+		<link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='style.css') }}">
+		<link rel="shortcut icon" type="image/ico" href="{{ url_for('static', filename='icon.ico') }}">
+	</head>
+	<body>
+		<ul>
+		{%- for item in list %}
+			<li>
+				<form action="{{ url_for('remove') }}" method="POST">
+					<input type="submit" value="-" class="button">
+					<label>{{ item }}</label>
+					<input type="hidden" name="item" value="{{ item }}">
+				</form>
+			</li>
+		{%- endfor %}
+		</ul>
+		<form action="{{ url_for('add') }}" method="POST">
+            <input type="text" name="item" autocomplete="off" autofocus>
+            <input type="submit" value="+" class="button">
+        </form>
+	</body>
+</html>