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annotate mercurial/utils/dateutil.py @ 45892:06b64fabf91c

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copies: cache the ancestor checking call when tracing copy A good share of the time spent in this function is spent doing ancestors checking. To avoid spending time in duplicated call, we cache the result of calls. In the slower case, this provide a quite significant performance boost. Below are the result for a set of selected pairs (many of them pathological): (And further down is another table that summarize the current state of filelog based vs changeset base copy tracing) The benchmark have been configured to be killed after 6 minutes of runtime, which mean that any detect slower than 2 minutes will be marked as "killed". This drop some useful information about how much slower these case are? but also prevent 99% of the benchmark time to be spent on case that can be labelled "very slow" anyway. Repo Case Source-Rev Dest-Rev Old-Time New-Time Difference Factor ------------------------------------------------------------------------------------------------------------------------------------ mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 0.000044 s, 0.000044 s, +0.000000 s, ? 1.0000 mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 0.000138 s, 0.000138 s, +0.000000 s, ? 1.0000 mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 0.005067 s, 0.005052 s, -0.000015 s, ? 0.9970 pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 0.000218 s, 0.000219 s, +0.000001 s, ? 1.0046 pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 0.000053 s, 0.000055 s, +0.000002 s, ? 1.0377 pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 0.000125 s, 0.000128 s, +0.000003 s, ? 1.0240 pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 0.001098 s, 0.001089 s, -0.000009 s, ? 0.9918 pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 0.017546 s, 0.017407 s, -0.000139 s, ? 0.9921 pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 0.096723 s, 0.094175 s, -0.002548 s, ? 0.9737 pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 0.271796 s, 0.238009 s, -0.033787 s, ? 0.8757 pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 0.128602 s, 0.125876 s, -0.002726 s, ? 0.9788 pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 7.086742 s, 3.581556 s, -3.505186 s, ? 0.5054 pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 0.016634 s, 0.016721 s, +0.000087 s, ? 1.0052 pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 0.254225 s, 0.242367 s, -0.011858 s, ? 0.9534 netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 0.000166 s, 0.000165 s, -0.000001 s, ? 0.9940 netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 0.000118 s, 0.000114 s, -0.000004 s, ? 0.9661 netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 0.000296 s, 0.000296 s, +0.000000 s, ? 1.0000 netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 0.001137 s, 0.001124 s, -0.000013 s, ? 0.9886 netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 0.014133 s, 0.013060 s, -0.001073 s, ? 0.9241 netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 0.016988 s, 0.017112 s, +0.000124 s, ? 1.0073 netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 0.676361 s, 0.660350 s, -0.016011 s, ? 0.9763 netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 12.515149 s, 10.032499 s, -2.482650 s, ? 0.8016 mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 0.000186 s, 0.000189 s, +0.000003 s, ? 1.0161 mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 0.000459 s, 0.000462 s, +0.000003 s, ? 1.0065 mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 0.000273 s, 0.000270 s, -0.000003 s, ? 0.9890 mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 0.001503 s, 0.001474 s, -0.000029 s, ? 0.9807 mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 0.004862 s, 0.004806 s, -0.000056 s, ? 0.9885 mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 0.088291 s, 0.085150 s, -0.003141 s, ? 0.9644 mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 0.007113 s, 0.007064 s, -0.000049 s, ? 0.9931 mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 0.004687 s, 0.004741 s, +0.000054 s, ? 1.0115 mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 0.198710 s, 0.190133 s, -0.008577 s, ? 0.9568 mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 0.036068 s, 0.035651 s, -0.000417 s, ? 0.9884 mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 0.465362 s, 0.440694 s, -0.024668 s, ? 0.9470 mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 24.519684 s, 18.454163 s, -6.065521 s, ? 0.7526 mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 42.711897 s, 31.562719 s, -11.149178 s, ? 0.7390 mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 0.001201 s, 0.001189 s, -0.000012 s, ? 0.9900 mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 0.001216 s, 0.001204 s, -0.000012 s, ? 0.9901 mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 0.000595 s, 0.000586 s, -0.000009 s, ? 0.9849 mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 0.001856 s, 0.001845 s, -0.000011 s, ? 0.9941 mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 0.064936 s, 0.063822 s, -0.001114 s, ? 0.9828 mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 0.090601 s, 0.088038 s, -0.002563 s, ? 0.9717 mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 0.007510 s, 0.007389 s, -0.000121 s, ? 0.9839 mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 0.004911 s, 0.004868 s, -0.000043 s, ? 0.9912 mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 0.233231 s, 0.222450 s, -0.010781 s, ? 0.9538 mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 0.419989 s, 0.370675 s, -0.049314 s, ? 0.8826 mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 0.401521 s, 0.358020 s, -0.043501 s, ? 0.8917 mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 0.179555 s, 0.145235 s, -0.034320 s, ? 0.8089 mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 0.038004 s, 0.037606 s, -0.000398 s, ? 0.9895 mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 52.838482 s, 7.382439 s, -45.456043 s, ? 0.1397 mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 8.705874 s, 7.273506 s, -1.432368 s, ? 0.8355 mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 1.126708 s, 1.074593 s, -0.052115 s, ? 0.9537 mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 83.854020 s, 27.746195 s, -56.107825 s, ? 0.3309 Below is a table comparing the runtime of the current "filelog centric" algorithm, with the "changeset centric" one, we just modified. The changeset centric algorithm is a significant win in many scenario, but they are still various cases where it is quite slower. When many revision has to be considered the cost of retrieving the copy information, creating new dictionaries, merging dictionaries and checking if revision are ancestors of each other can slow things down. The rest of this series, will introduce a rust version of the copy tracing code to deal with most of theses issues. Repo Case Source-Rev Dest-Rev filelog sidedata Difference Factor --------------------------------------------------------------------------------------------------------------------------------------- mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 0.000914 s, 0.000044 s, - 0.000870 s, ? 0.048140 mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 0.001812 s, 0.000138 s, - 0.001674 s, ? 0.076159 mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 0.017954 s, 0.005052 s, - 0.012902 s, ? 0.281386 pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 0.001509 s, 0.000219 s, - 0.001290 s, ? 0.145129 pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 0.206881 s, 0.000055 s, - 0.206826 s, ? 0.000266 pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 0.016951 s, 0.000128 s, - 0.016823 s, ? 0.007551 pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 0.019096 s, 0.001089 s, - 0.018007 s, ? 0.057028 pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 0.762506 s, 0.017407 s, - 0.745099 s, ? 0.022829 pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 1.179211 s, 0.094175 s, - 1.085036 s, ? 0.079863 pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 1.249058 s, 0.238009 s, - 1.011049 s, ? 0.190551 pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 1.614107 s, 0.125876 s, - 1.488231 s, ? 0.077985 pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 0.001064 s, 3.581556 s, + 3.580492 s, ? 3366.124060 pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 1.061275 s, 0.016721 s, - 1.044554 s, ? 0.015756 pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 1.341119 s, 0.242367 s, - 1.098752 s, ? 0.180720 netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 0.027803 s, 0.000165 s, - 0.027638 s, ? 0.005935 netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 0.130014 s, 0.000114 s, - 0.129900 s, ? 0.000877 netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 0.024990 s, 0.000296 s, - 0.024694 s, ? 0.011845 netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 0.052201 s, 0.001124 s, - 0.051077 s, ? 0.021532 netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 0.037642 s, 0.013060 s, - 0.024582 s, ? 0.346953 netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 0.197086 s, 0.017112 s, - 0.179974 s, ? 0.086825 netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 0.935148 s, 0.660350 s, - 0.274798 s, ? 0.706145 netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 3.920674 s, 10.032499 s, + 6.111825 s, ? 2.558871 mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 0.024232 s, 0.000189 s, - 0.024043 s, ? 0.007800 mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 0.141483 s, 0.000462 s, - 0.141021 s, ? 0.003265 mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 0.025775 s, 0.000270 s, - 0.025505 s, ? 0.010475 mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 0.084922 s, 0.001474 s, - 0.083448 s, ? 0.017357 mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 0.194784 s, 0.004806 s, - 0.189978 s, ? 0.024673 mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 2.161103 s, 0.085150 s, - 2.075953 s, ? 0.039401 mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 0.089347 s, 0.007064 s, - 0.082283 s, ? 0.079063 mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 0.732171 s, 0.004741 s, - 0.727430 s, ? 0.006475 mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 1.157287 s, 0.190133 s, - 0.967154 s, ? 0.164292 mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 6.726568 s, 0.035651 s, - 6.690917 s, ? 0.005300 mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 3.266229 s, 0.440694 s, - 2.825535 s, ? 0.134924 mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 15.860534 s, 18.454163 s, + 2.593629 s, ? 1.163527 mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 20.450475 s, 31.562719 s, +11.112244 s, ? 1.543373 mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 0.080442 s, 0.001189 s, - 0.079253 s, ? 0.014781 mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 0.497672 s, 0.001204 s, - 0.496468 s, ? 0.002419 mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 0.021183 s, 0.000586 s, - 0.020597 s, ? 0.027664 mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 0.230991 s, 0.001845 s, - 0.229146 s, ? 0.007987 mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1.118461 s, 0.063822 s, - 1.054639 s, ? 0.057062 mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 2.206083 s, 0.088038 s, - 2.118045 s, ? 0.039907 mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 0.089404 s, 0.007389 s, - 0.082015 s, ? 0.082647 mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 0.733043 s, 0.004868 s, - 0.728175 s, ? 0.006641 mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 1.163367 s, 0.222450 s, - 0.940917 s, ? 0.191212 mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 0.085456 s, 0.370675 s, + 0.285219 s, ? 4.337612 mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 0.083601 s, 0.358020 s, + 0.274419 s, ? 4.282485 mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 7.366614 s, 0.145235 s, - 7.221379 s, ? 0.019715 mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 6.664464 s, 0.037606 s, - 6.626858 s, ? 0.005643 mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 7.467836 s, 7.382439 s, - 0.085397 s, ? 0.988565 mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 9.801294 s, 7.273506 s, - 2.527788 s, ? 0.742097 mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 0.091886 s, killed mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 26.491140 s, 1.074593 s, -25.416547 s, ? 0.040564 mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 0.092863 s, killed mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 0.226823 s, killed mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 18.914630 s, 27.746195 s, + 8.831565 s, ? 1.466917 mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 21.198903 s, killed mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 24.952268 s, killed Differential Revision: https://phab.mercurial-scm.org/D9296
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 02 Nov 2020 11:03:56 +0100
parents b65bd4b61d78
children 89a2afe31e82
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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c6061cadb400 util: extract all date-related utils in utils/dateutil module
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1 # util.py - Mercurial utility functions relative to dates
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2 #
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3 # Copyright 2018 Boris Feld <boris.feld@octobus.net>
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4 #
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Martin Geisler <mg@lazybytes.net>
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5 # This software may be used and distributed according to the terms of the
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25e572394f5c Update license to GPLv2+
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6 # GNU General Public License version 2 or any later version.
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mpm@selenic.com
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7
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8 from __future__ import absolute_import, print_function
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9
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10 import calendar
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11 import datetime
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12 import time
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13
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Boris Feld <boris.feld@octobus.net>
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14 from ..i18n import _
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15 from .. import (
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16 encoding,
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Gregory Szorc <gregory.szorc@gmail.com>
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17 error,
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18 pycompat,
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19 )
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20
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Chris Mason <mason@suse.com>
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21 # used by parsedate
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Matt Mackall <mpm@selenic.com>
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22 defaultdateformats = (
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
23 b'%Y-%m-%dT%H:%M:%S', # the 'real' ISO8601
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
24 b'%Y-%m-%dT%H:%M', # without seconds
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
25 b'%Y-%m-%dT%H%M%S', # another awful but legal variant without :
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
26 b'%Y-%m-%dT%H%M', # without seconds
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
27 b'%Y-%m-%d %H:%M:%S', # our common legal variant
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
28 b'%Y-%m-%d %H:%M', # without seconds
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
29 b'%Y-%m-%d %H%M%S', # without :
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
30 b'%Y-%m-%d %H%M', # without seconds
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
31 b'%Y-%m-%d %I:%M:%S%p',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
32 b'%Y-%m-%d %H:%M',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
33 b'%Y-%m-%d %I:%M%p',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
34 b'%Y-%m-%d',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
35 b'%m-%d',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
36 b'%m/%d',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
37 b'%m/%d/%y',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
38 b'%m/%d/%Y',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
39 b'%a %b %d %H:%M:%S %Y',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
40 b'%a %b %d %I:%M:%S%p %Y',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
41 b'%a, %d %b %Y %H:%M:%S', # GNU coreutils "/bin/date --rfc-2822"
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
42 b'%b %d %H:%M:%S %Y',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
43 b'%b %d %I:%M:%S%p %Y',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
44 b'%b %d %H:%M:%S',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
45 b'%b %d %I:%M:%S%p',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
46 b'%b %d %H:%M',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
47 b'%b %d %I:%M%p',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
48 b'%b %d %Y',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
49 b'%b %d',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
50 b'%H:%M:%S',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
51 b'%I:%M:%S%p',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
52 b'%H:%M',
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
53 b'%I:%M%p',
3808
d6529582942a improve date parsing for numerous new date formats
Matt Mackall <mpm@selenic.com>
parents: 3807
diff changeset
54 )
2609
6c5b1b5cc160 util.parsedate should understand dates from hg export
Chris Mason <mason@suse.com>
parents: 2601
diff changeset
55
43077
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parents: 43076
diff changeset
56 extendeddateformats = defaultdateformats + (b"%Y", b"%Y-%m", b"%b", b"%b %Y",)
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parents: 40256
diff changeset
57
36362
01e29e885600 util: add a file object proxy that can read at most N bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36266
diff changeset
58
19287
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Bryan O'Sullivan <bryano@fb.com>
parents: 19286
diff changeset
59 def makedate(timestamp=None):
8b04e1344111 util: add an optional timestamp parameter to makedate
Bryan O'Sullivan <bryano@fb.com>
parents: 19286
diff changeset
60 '''Return a unix timestamp (or the current time) as a (unixtime,
8b04e1344111 util: add an optional timestamp parameter to makedate
Bryan O'Sullivan <bryano@fb.com>
parents: 19286
diff changeset
61 offset) tuple based off the local timezone.'''
8b04e1344111 util: add an optional timestamp parameter to makedate
Bryan O'Sullivan <bryano@fb.com>
parents: 19286
diff changeset
62 if timestamp is None:
8b04e1344111 util: add an optional timestamp parameter to makedate
Bryan O'Sullivan <bryano@fb.com>
parents: 19286
diff changeset
63 timestamp = time.time()
19286
78501209488a util: rename ct variable in makedate to timestamp
Bryan O'Sullivan <bryano@fb.com>
parents: 19211
diff changeset
64 if timestamp < 0:
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parents: 43076
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65 hint = _(b"check your clock")
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parents: 43076
diff changeset
66 raise error.Abort(_(b"negative timestamp: %d") % timestamp, hint=hint)
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parents: 40256
diff changeset
67 delta = datetime.datetime.utcfromtimestamp(
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Augie Fackler <augie@google.com>
parents: 40256
diff changeset
68 timestamp
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40256
diff changeset
69 ) - datetime.datetime.fromtimestamp(timestamp)
15505
ae04af1ce78d makedate: wrong timezone offset if DST rules changed this year (issue2511)
Dmitry Panov <dop@itoolabs.com>
parents: 15496
diff changeset
70 tz = delta.days * 86400 + delta.seconds
19286
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Bryan O'Sullivan <bryano@fb.com>
parents: 19211
diff changeset
71 return timestamp, tz
1329
8f06817bf266 Allow files to be opened in text mode, even on Windows.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1321
diff changeset
72
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diff changeset
73
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parents: 43076
diff changeset
74 def datestr(date=None, format=b'%a %b %d %H:%M:%S %Y %1%2'):
1321
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Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
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75 """represent a (unixtime, offset) tuple as a localized time.
b47f96a178a3 Clean up date and timezone handling.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
76 unixtime is seconds since the epoch, and offset is the time zone's
28865
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Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
77 number of seconds away from UTC.
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Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
78
16255662446d util: add doctest to datestr()
Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
79 >>> datestr((0, 0))
16255662446d util: add doctest to datestr()
Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
80 'Thu Jan 01 00:00:00 1970 +0000'
16255662446d util: add doctest to datestr()
Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
81 >>> datestr((42, 0))
16255662446d util: add doctest to datestr()
Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
82 'Thu Jan 01 00:00:42 1970 +0000'
16255662446d util: add doctest to datestr()
Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
83 >>> datestr((-42, 0))
16255662446d util: add doctest to datestr()
Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
84 'Wed Dec 31 23:59:18 1969 +0000'
16255662446d util: add doctest to datestr()
Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
85 >>> datestr((0x7fffffff, 0))
16255662446d util: add doctest to datestr()
Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
86 'Tue Jan 19 03:14:07 2038 +0000'
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Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
87 >>> datestr((-0x80000000, 0))
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Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
diff changeset
88 'Fri Dec 13 20:45:52 1901 +0000'
16255662446d util: add doctest to datestr()
Adrian Buehlmann <adrian@cadifra.com>
parents: 28864
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89 """
1321
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Bryan O'Sullivan <bos@serpentine.com>
parents: 1320
diff changeset
90 t, tz = date or makedate()
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
91 if b"%1" in format or b"%2" in format or b"%z" in format:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
92 sign = (tz > 0) and b"-" or b"+"
9029
0001e49f1c11 compat: use // for integer division
Alejandro Santos <alejolp@alejolp.com>
parents: 8938
diff changeset
93 minutes = abs(tz) // 60
27066
6f1f8e88f036 util.datestr: use divmod()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27016
diff changeset
94 q, r = divmod(minutes, 60)
43077
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parents: 43076
diff changeset
95 format = format.replace(b"%z", b"%1%2")
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
96 format = format.replace(b"%1", b"%c%02d" % (sign, q))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
97 format = format.replace(b"%2", b"%02d" % r)
28825
87c6ad2251d8 date: reallow negative timestamp, fix for Windows buggy gmtime() (issue2513)
Florent Gallaire <fgallaire@gmail.com>
parents: 28818
diff changeset
98 d = t - tz
43076
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Augie Fackler <augie@google.com>
parents: 40256
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99 if d > 0x7FFFFFFF:
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Augie Fackler <augie@google.com>
parents: 40256
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100 d = 0x7FFFFFFF
28864
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Florent Gallaire <fgallaire@gmail.com>
parents: 28835
diff changeset
101 elif d < -0x80000000:
b0811a9fe67c date: fix boundary check of negative integer
Florent Gallaire <fgallaire@gmail.com>
parents: 28835
diff changeset
102 d = -0x80000000
28825
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Florent Gallaire <fgallaire@gmail.com>
parents: 28818
diff changeset
103 # Never use time.gmtime() and datetime.datetime.fromtimestamp()
87c6ad2251d8 date: reallow negative timestamp, fix for Windows buggy gmtime() (issue2513)
Florent Gallaire <fgallaire@gmail.com>
parents: 28818
diff changeset
104 # because they use the gmtime() system call which is buggy on Windows
87c6ad2251d8 date: reallow negative timestamp, fix for Windows buggy gmtime() (issue2513)
Florent Gallaire <fgallaire@gmail.com>
parents: 28818
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105 # for negative values.
87c6ad2251d8 date: reallow negative timestamp, fix for Windows buggy gmtime() (issue2513)
Florent Gallaire <fgallaire@gmail.com>
parents: 28818
diff changeset
106 t = datetime.datetime(1970, 1, 1) + datetime.timedelta(seconds=d)
31449
756175623f2e py3: call strftime() with native str type
Yuya Nishihara <yuya@tcha.org>
parents: 31448
diff changeset
107 s = encoding.strtolocal(t.strftime(encoding.strfromlocal(format)))
1987
04c17fc39c84 add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1976
diff changeset
108 return s
1829
b0f6af327fd4 hgwebdir: export collections of repos
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1635
diff changeset
109
43076
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Augie Fackler <augie@google.com>
parents: 40256
diff changeset
110
6134
7b937b26adf7 Make annotae/grep print short dates with -q/--quiet.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6111
diff changeset
111 def shortdate(date=None):
7b937b26adf7 Make annotae/grep print short dates with -q/--quiet.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6111
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112 """turn (timestamp, tzoff) tuple into iso 8631 date."""
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Augie Fackler <augie@google.com>
parents: 43076
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113 return datestr(date, format=b'%Y-%m-%d')
6134
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Thomas Arendsen Hein <thomas@intevation.de>
parents: 6111
diff changeset
114
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Augie Fackler <augie@google.com>
parents: 40256
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115
29636
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Matt Mackall <mpm@selenic.com>
parents: 29613
diff changeset
116 def parsetimezone(s):
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Matt Mackall <mpm@selenic.com>
parents: 29613
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117 """find a trailing timezone, if any, in string, and return a
84ef4517de03 date: refactor timezone parsing
Matt Mackall <mpm@selenic.com>
parents: 29613
diff changeset
118 (offset, remainder) pair"""
36551
98d4c642d7f2 py3: fix string slicing in util.parsetimezone()
Yuya Nishihara <yuya@tcha.org>
parents: 36539
diff changeset
119 s = pycompat.bytestr(s)
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Matt Mackall <mpm@selenic.com>
parents: 29613
diff changeset
120
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121 if s.endswith(b"GMT") or s.endswith(b"UTC"):
29636
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Matt Mackall <mpm@selenic.com>
parents: 29613
diff changeset
122 return 0, s[:-3].rstrip()
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Matt Mackall <mpm@selenic.com>
parents: 29613
diff changeset
123
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Matt Mackall <mpm@selenic.com>
parents: 29613
diff changeset
124 # Unix-style timezones [+-]hhmm
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125 if len(s) >= 5 and s[-5] in b"+-" and s[-4:].isdigit():
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126 sign = (s[-5] == b"+") and 1 or -1
29636
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Matt Mackall <mpm@selenic.com>
parents: 29613
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127 hours = int(s[-4:-2])
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Matt Mackall <mpm@selenic.com>
parents: 29613
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128 minutes = int(s[-2:])
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parents: 29613
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129 return -sign * (hours * 60 + minutes) * 60, s[:-5].rstrip()
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Matt Mackall <mpm@selenic.com>
parents: 29613
diff changeset
130
29637
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Matt Mackall <mpm@selenic.com>
parents: 29636
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131 # ISO8601 trailing Z
43077
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132 if s.endswith(b"Z") and s[-2:-1].isdigit():
29637
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Matt Mackall <mpm@selenic.com>
parents: 29636
diff changeset
133 return 0, s[:-1]
46b2ccce7fde date: parse ISO-style Z and +hh:mm timezone specs
Matt Mackall <mpm@selenic.com>
parents: 29636
diff changeset
134
46b2ccce7fde date: parse ISO-style Z and +hh:mm timezone specs
Matt Mackall <mpm@selenic.com>
parents: 29636
diff changeset
135 # ISO8601-style [+-]hh:mm
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diff changeset
136 if (
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137 len(s) >= 6
43077
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138 and s[-6] in b"+-"
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diff changeset
139 and s[-3] == b":"
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diff changeset
140 and s[-5:-3].isdigit()
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parents: 40256
diff changeset
141 and s[-2:].isdigit()
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parents: 40256
diff changeset
142 ):
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143 sign = (s[-6] == b"+") and 1 or -1
29637
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Matt Mackall <mpm@selenic.com>
parents: 29636
diff changeset
144 hours = int(s[-5:-3])
46b2ccce7fde date: parse ISO-style Z and +hh:mm timezone specs
Matt Mackall <mpm@selenic.com>
parents: 29636
diff changeset
145 minutes = int(s[-2:])
46b2ccce7fde date: parse ISO-style Z and +hh:mm timezone specs
Matt Mackall <mpm@selenic.com>
parents: 29636
diff changeset
146 return -sign * (hours * 60 + minutes) * 60, s[:-6]
46b2ccce7fde date: parse ISO-style Z and +hh:mm timezone specs
Matt Mackall <mpm@selenic.com>
parents: 29636
diff changeset
147
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Matt Mackall <mpm@selenic.com>
parents: 29613
diff changeset
148 return None, s
26126
7b625baed995 util: extract function that parses timezone string
Yuya Nishihara <yuya@tcha.org>
parents: 26098
diff changeset
149
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150
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151 def strdate(string, format, defaults=None):
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152 """parse a localized time string and return a (unixtime, offset) tuple.
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153 if the string cannot be parsed, ValueError is raised."""
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154 if defaults is None:
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155 defaults = {}
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156
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157 # NOTE: unixtime = localunixtime + offset
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158 offset, date = parsetimezone(string)
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159
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160 # add missing elements from defaults
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161 usenow = False # default to using biased defaults
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162 for part in (
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163 b"S",
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164 b"M",
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165 b"HI",
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166 b"d",
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167 b"mb",
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168 b"yY",
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169 ): # decreasing specificity
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170 part = pycompat.bytestr(part)
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171 found = [True for p in part if (b"%" + p) in format]
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172 if not found:
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173 date += b"@" + defaults[part][usenow]
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174 format += b"@%" + part[0]
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175 else:
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176 # We've found a specific time element, less specific time
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177 # elements are relative to today
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178 usenow = True
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179
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180 timetuple = time.strptime(
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181 encoding.strfromlocal(date), encoding.strfromlocal(format)
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182 )
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183 localunixtime = int(calendar.timegm(timetuple))
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184 if offset is None:
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185 # local timezone
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186 unixtime = int(time.mktime(timetuple))
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187 offset = unixtime - localunixtime
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188 else:
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189 unixtime = localunixtime + offset
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190 return unixtime, offset
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191
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192
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193 def parsedate(date, formats=None, bias=None):
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194 """parse a localized date/time and return a (unixtime, offset) tuple.
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195
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196 The date may be a "unixtime offset" string or in one of the specified
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197 formats. If the date already is a (unixtime, offset) tuple, it is returned.
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198
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199 >>> parsedate(b' today ') == parsedate(
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200 ... datetime.date.today().strftime('%b %d').encode('ascii'))
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201 True
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202 >>> parsedate(b'yesterday ') == parsedate(
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203 ... (datetime.date.today() - datetime.timedelta(days=1)
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204 ... ).strftime('%b %d').encode('ascii'))
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205 True
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206 >>> now, tz = makedate()
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207 >>> strnow, strtz = parsedate(b'now')
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208 >>> (strnow - now) < 1
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209 True
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210 >>> tz == strtz
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211 True
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212 >>> parsedate(b'2000 UTC', formats=extendeddateformats)
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213 (946684800, 0)
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214 """
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215 if bias is None:
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216 bias = {}
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217 if not date:
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218 return 0, 0
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219 if isinstance(date, tuple) and len(date) == 2:
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220 return date
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221 if not formats:
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222 formats = defaultdateformats
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223 date = date.strip()
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224
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225 if date == b'now' or date == _(b'now'):
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226 return makedate()
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227 if date == b'today' or date == _(b'today'):
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228 date = datetime.date.today().strftime('%b %d')
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229 date = encoding.strtolocal(date)
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230 elif date == b'yesterday' or date == _(b'yesterday'):
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231 date = (datetime.date.today() - datetime.timedelta(days=1)).strftime(
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232 r'%b %d'
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233 )
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234 date = encoding.strtolocal(date)
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235
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236 try:
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237 when, offset = map(int, date.split(b' '))
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238 except ValueError:
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239 # fill out defaults
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240 now = makedate()
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241 defaults = {}
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242 for part in (b"d", b"mb", b"yY", b"HI", b"M", b"S"):
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243 # this piece is for rounding the specific end of unknowns
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244 b = bias.get(part)
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245 if b is None:
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246 if part[0:1] in b"HMS":
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247 b = b"00"
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248 else:
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249 # year, month, and day start from 1
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250 b = b"1"
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251
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252 # this piece is for matching the generic end to today's date
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253 n = datestr(now, b"%" + part[0:1])
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254
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255 defaults[part] = (b, n)
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256
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257 for format in formats:
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258 try:
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259 when, offset = strdate(date, format, defaults)
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diff changeset
260 except (ValueError, OverflowError):
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261 pass
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262 else:
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diff changeset
263 break
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264 else:
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265 raise error.ParseError(
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266 _(b'invalid date: %r') % pycompat.bytestr(date)
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267 )
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268 # validate explicit (probably user-specified) date and
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269 # time zone offset. values must fit in signed 32 bits for
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270 # current 32-bit linux runtimes. timezones go from UTC-12
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271 # to UTC+14
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272 if when < -0x80000000 or when > 0x7FFFFFFF:
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273 raise error.ParseError(_(b'date exceeds 32 bits: %d') % when)
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274 if offset < -50400 or offset > 43200:
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275 raise error.ParseError(_(b'impossible time zone offset: %d') % offset)
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276 return when, offset
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277
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278
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279 def matchdate(date):
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280 """Return a function that matches a given date match specifier
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281
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282 Formats include:
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283
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284 '{date}' match a given date to the accuracy provided
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285
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286 '<{date}' on or before a given date
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287
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288 '>{date}' on or after a given date
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289
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290 >>> p1 = parsedate(b"10:29:59")
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291 >>> p2 = parsedate(b"10:30:00")
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292 >>> p3 = parsedate(b"10:30:59")
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293 >>> p4 = parsedate(b"10:31:00")
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294 >>> p5 = parsedate(b"Sep 15 10:30:00 1999")
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295 >>> f = matchdate(b"10:30")
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296 >>> f(p1[0])
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297 False
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298 >>> f(p2[0])
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299 True
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300 >>> f(p3[0])
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301 True
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302 >>> f(p4[0])
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303 False
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304 >>> f(p5[0])
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305 False
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306 """
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307
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308 def lower(date):
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309 d = {b'mb': b"1", b'd': b"1"}
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310 return parsedate(date, extendeddateformats, d)[0]
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311
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312 def upper(date):
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313 d = {b'mb': b"12", b'HI': b"23", b'M': b"59", b'S': b"59"}
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314 for days in (b"31", b"30", b"29"):
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315 try:
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316 d[b"d"] = days
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317 return parsedate(date, extendeddateformats, d)[0]
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318 except error.ParseError:
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319 pass
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320 d[b"d"] = b"28"
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321 return parsedate(date, extendeddateformats, d)[0]
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322
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Justin Peng <justin.peng.sw@gmail.com>
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323 date = date.strip()
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324
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325 if not date:
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326 raise error.Abort(_(b"dates cannot consist entirely of whitespace"))
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327 elif date[0:1] == b"<":
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328 if not date[1:]:
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329 raise error.Abort(_(b"invalid day spec, use '<DATE'"))
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330 when = upper(date[1:])
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331 return lambda x: x <= when
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332 elif date[0:1] == b">":
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333 if not date[1:]:
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334 raise error.Abort(_(b"invalid day spec, use '>DATE'"))
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335 when = lower(date[1:])
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336 return lambda x: x >= when
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337 elif date[0:1] == b"-":
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338 try:
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339 days = int(date[1:])
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340 except ValueError:
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341 raise error.Abort(_(b"invalid day spec: %s") % date[1:])
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342 if days < 0:
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343 raise error.Abort(
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344 _(b"%s must be nonnegative (see 'hg help dates')") % date[1:]
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345 )
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346 when = makedate()[0] - days * 3600 * 24
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347 return lambda x: x >= when
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348 elif b" to " in date:
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349 a, b = date.split(b" to ")
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350 start, stop = lower(a), upper(b)
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351 return lambda x: x >= start and x <= stop
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352 else:
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353 start, stop = lower(date), upper(date)
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354 return lambda x: x >= start and x <= stop