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annotate roundup/cgi/timestamp.py @ 6917:fba76e0bba98

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set journal mode to wal when creating db. Trying to work around sqlite3.OperationalError: disk I/O error errors in CI that I can't reproduce locally. Also this allows reads to happen while writes are occurring. This should permit using the web interface for browsing while a large write load (e.g. bulk data loading from another tracker) is happening. Right now autogenerating issues locks up the tracker for reading with an error that the database is locked.
author John Rouillard <rouilj@ieee.org>
date Tue, 06 Sep 2022 11:32:13 -0400
parents 5ec3171580a6
children 07ce4e4110f5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 '''Set of functions of adding/checking timestamp to be used to limit
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2 form submission for cgi actions.
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3 '''
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4
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5 import time, struct, binascii, base64
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6 from roundup.cgi.exceptions import FormError
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7 from roundup.i18n import _
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8 from roundup.anypy.strings import b2s, s2b
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9
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11 def pack_timestamp():
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12 return b2s(base64.b64encode(struct.pack("i", int(time.time()))).strip())
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13
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15 def unpack_timestamp(s):
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16 try:
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17 timestamp = struct.unpack("i", base64.b64decode(s2b(s)))[0]
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18 except (struct.error, binascii.Error, TypeError):
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19 raise FormError(_("Form is corrupted."))
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20 return timestamp
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21
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22
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23 class Timestamped:
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24 def timecheck(self, field, delay):
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25 try:
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26 created = unpack_timestamp(self.form[field].value)
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27 except KeyError:
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28 raise FormError(_("Form is corrupted, missing: %s." % field))
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29 if time.time() - created < delay:
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30 raise FormError(_("Responding to form too quickly."))
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31 return True
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