Mercurial > p > roundup > code
annotate website/issues/extensions/timestamp.py @ 8040:19cef1e285b0
fix: remove delay when using csv export actions.
The CSV file is written incrementally, so we can't determine the
Content-Length. When using HTTP/1.1, this causes a delay while the
browser waits for a timeout. Forcing the connection to close after
the CSV file is written removes the delay.
Ideally we should shift to chunked transfer encoding for these two
actions, but that is much more invasive and when posting a request for
CSV, it is unlikely that another request will be sent over the same
socket.
| author | John Rouillard <rouilj@ieee.org> |
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| date | Tue, 18 Jun 2024 00:48:06 -0400 |
| parents | 35ea9b1efc14 |
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| rev | line source |
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1 import time, struct, base64 |
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2 from roundup.cgi.actions import RegisterAction |
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3 from roundup.cgi.exceptions import * |
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4 |
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5 def timestamp(): |
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6 return base64.encodestring(struct.pack("i", time.time())).strip() |
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7 |
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8 def unpack_timestamp(s): |
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9 return struct.unpack("i",base64.decodestring(s))[0] |
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10 |
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11 class Timestamped: |
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12 def check(self): |
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13 try: |
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14 created = unpack_timestamp(self.form['opaque'].value) |
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15 except KeyError: |
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Python 3 preparation: "raise" syntax.
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16 raise FormError("somebody tampered with the form") |
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17 if time.time() - created < 4: |
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18 raise FormError("responding to the form too quickly") |
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19 return True |
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20 |
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21 class TimestampedRegister(Timestamped, RegisterAction): |
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22 def permission(self): |
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23 self.check() |
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24 RegisterAction.permission(self) |
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25 |
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26 def init(instance): |
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27 instance.registerUtil('timestamp', timestamp) |
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28 instance.registerAction('register', TimestampedRegister) |
