30 lines
893 B
Python
30 lines
893 B
Python
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from flask import Flask, request
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from qrt import generate
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from base64 import b64encode
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from binascii import b2a_base64
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from cStringIO import StringIO
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from traceback import format_exc
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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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try:
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html = "<title>hex qr</title><form method=post>enter a string: <input type=text name=text value='%s' autocomplete=off autofocus /></form>"
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if request.method == "POST":
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if not request.form.get("text"):
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html %= ""
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html += "<p>empty</p>"
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else:
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html %= request.form["text"]
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im = generate(request.form["text"])
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buf = StringIO()
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im.save(buf, format="JPEG")
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html += "<img src='data:image/jpeg;base64,%s'>" % b2a_base64(buf.getvalue())
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else:
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html %= ""
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return html
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except:
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return "<!--\nthere's a problem, here's the details:\n%s\n-->" % format_exc()
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app.run(host="0.0.0.0", port=5000)
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