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phrdangphrdang
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Try creating Flask app and use difflib
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‎src/app/README.md‎

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# assignment-snapshots app
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## Setup
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1. Install Python 3.11.5
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2. Create a virtual environment: `python3 -m venv app-env`
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3. Activate the virtual environment: `source app-env/bin/activate`
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4. Install dependencies: `pip install -r requirements.txt`

‎src/app/main.py‎

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from flask import Flask, request, render_template
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import difflib
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app = Flask(__name__)
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@app.route("/", methods=["GET", "POST"])
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def index():
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if request.method == "POST":
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file1_content = request.form["file1"].splitlines()
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file2_content = request.form["file2"].splitlines()
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differ = difflib.HtmlDiff()
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diff_html = differ.make_file(file1_content, file2_content)
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with open("templates/diff.html", "w") as f:
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f.write(diff_html)
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return render_template("diff.html", diff_html=diff_html)
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return render_template("index.html")
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if __name__ == "__main__":
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app.run(debug=True)

‎src/app/requirements.txt‎

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blinker==1.9.0
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click==8.1.8
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Flask==3.1.0
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itsdangerous==2.2.0
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Jinja2==3.1.6
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MarkupSafe==3.0.2
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Werkzeug==3.1.3

‎src/app/templates/diff.html‎

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type"
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content="text/html; charset=utf-8" />
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<title></title>
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<style type="text/css">
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table.diff {font-family:Courier; border:medium;}
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.diff_header {background-color:#e0e0e0}
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td.diff_header {text-align:right}
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.diff_next {background-color:#c0c0c0}
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.diff_add {background-color:#aaffaa}
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.diff_chg {background-color:#ffff77}
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.diff_sub {background-color:#ffaaaa}
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</style>
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</head>
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<body>
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<table class="diff" id="difflib_chg_to4__top"
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cellspacing="0" cellpadding="0" rules="groups" >
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<colgroup></colgroup> <colgroup></colgroup> <colgroup></colgroup>
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<colgroup></colgroup> <colgroup></colgroup> <colgroup></colgroup>
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<tbody>
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<tr><td class="diff_next" id="difflib_chg_to4__1"><a href="#difflib_chg_to4__1">n</a></td><td class="diff_header" id="from4_1">1</td><td nowrap="nowrap">Lorem&nbsp;ipsum&nbsp;dolor&nbsp;sit&nbsp;amet,&nbsp;consectetur&nbsp;adipiscing&nbsp;elit,&nbsp;<span class="diff_chg">sed</span>&nbsp;do&nbsp;eiusmod&nbsp;tempor&nbsp;incididunt&nbsp;ut&nbsp;labore&nbsp;et&nbsp;dolore&nbsp;magna&nbsp;aliqua.<span class="diff_sub">&nbsp;</span></td><td class="diff_next"><a href="#difflib_chg_to4__1">n</a></td><td class="diff_header" id="to4_1">1</td><td nowrap="nowrap">Lorem&nbsp;ipsum&nbsp;dolor&nbsp;sit&nbsp;amet,&nbsp;consectetur&nbsp;adipiscing&nbsp;elit,&nbsp;<span class="diff_chg">blah</span>&nbsp;do&nbsp;eiusmod&nbsp;tempor&nbsp;incididunt&nbsp;ut&nbsp;labore&nbsp;et&nbsp;dolore&nbsp;magna&nbsp;aliqua.</td></tr>
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<tr><td class="diff_next"></td><td class="diff_header" id="from4_2">2</td><td nowrap="nowrap">Ut&nbsp;enim&nbsp;ad&nbsp;minim&nbsp;veniam,&nbsp;quis&nbsp;nostrud&nbsp;exercitation&nbsp;ullamco&nbsp;laboris&nbsp;nisi&nbsp;ut&nbsp;aliquip&nbsp;ex&nbsp;ea&nbsp;commodo&nbsp;<span class="diff_chg">consequ</span>a<span class="diff_chg">t</span>.&nbsp;</td><td class="diff_next"></td><td class="diff_header" id="to4_2">2</td><td nowrap="nowrap">Ut&nbsp;enim&nbsp;ad&nbsp;minim&nbsp;veniam,&nbsp;quis&nbsp;nostrud&nbsp;exercitation&nbsp;ullamco&nbsp;laboris&nbsp;nisi&nbsp;ut&nbsp;aliquip&nbsp;ex&nbsp;ea&nbsp;commodo&nbsp;<span class="diff_chg">bl</span>a<span class="diff_chg">h</span>.&nbsp;</td></tr>
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<tr><td class="diff_next"></td><td class="diff_header" id="from4_3">3</td><td nowrap="nowrap">Duis&nbsp;aute&nbsp;irure&nbsp;dolor&nbsp;in&nbsp;reprehenderit&nbsp;in&nbsp;voluptate&nbsp;velit&nbsp;esse&nbsp;cillum&nbsp;dolore&nbsp;eu&nbsp;fugiat&nbsp;nulla&nbsp;pariatur.&nbsp;</td><td class="diff_next"></td><td class="diff_header" id="to4_3">3</td><td nowrap="nowrap">Duis&nbsp;aute&nbsp;irure&nbsp;dolor&nbsp;in&nbsp;reprehenderit&nbsp;in&nbsp;voluptate&nbsp;velit&nbsp;esse&nbsp;cillum&nbsp;dolore&nbsp;eu&nbsp;fugiat&nbsp;nulla&nbsp;pariatur.&nbsp;</td></tr>
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<tr><td class="diff_next"><a href="#difflib_chg_to4__top">t</a></td><td class="diff_header" id="from4_4">4</td><td nowrap="nowrap">Excepteur&nbsp;sint&nbsp;occaecat&nbsp;cupidatat&nbsp;non&nbsp;proident,&nbsp;<span class="diff_chg">sunt</span>&nbsp;in&nbsp;culpa&nbsp;qui&nbsp;officia&nbsp;deserunt&nbsp;mollit&nbsp;anim&nbsp;id&nbsp;est&nbsp;laborum</td><td class="diff_next"><a href="#difflib_chg_to4__top">t</a></td><td class="diff_header" id="to4_4">4</td><td nowrap="nowrap">Excepteur&nbsp;sint&nbsp;occaecat&nbsp;cupidatat&nbsp;non&nbsp;proident,&nbsp;<span class="diff_chg">blah</span>&nbsp;in&nbsp;culpa&nbsp;qui&nbsp;officia&nbsp;deserunt&nbsp;mollit&nbsp;anim&nbsp;id&nbsp;est&nbsp;laborum</td></tr>
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</tbody>
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</table>
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<table class="diff" summary="Legends">
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<tr> <th colspan="2"> Legends </th> </tr>
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<tr> <td> <table border="" summary="Colors">
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<tr><th> Colors </th> </tr>
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<tr><td class="diff_add">&nbsp;Added&nbsp;</td></tr>
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<tr><td class="diff_chg">Changed</td> </tr>
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<tr><td class="diff_sub">Deleted</td> </tr>
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</table></td>
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<td> <table border="" summary="Links">
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<tr><th colspan="2"> Links </th> </tr>
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<tr><td>(f)irst change</td> </tr>
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<tr><td>(n)ext change</td> </tr>
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<tr><td>(t)op</td> </tr>
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</table></td> </tr>
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</table>
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</body>
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</html>

‎src/app/templates/index.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<title>File Diff</title>
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</head>
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<body>
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<h1>File Diff</h1>
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<form method="POST">
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<label for="file1">File 1:</label><br>
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<textarea id="file1" name="file1" rows="10" cols="50"></textarea><br><br>
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<label for="file2">File 2:</label><br>
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<textarea id="file2" name="file2" rows="10" cols="50"></textarea><br><br>
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<button type="submit">Compare</button>
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</form>
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</body>
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</html>

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