Mercurial > hg
annotate mercurial/dagparser.py @ 46150:a132aa5979ec
copies: no longer cache the ChangedFiles during copy tracing
Now that the copies information for both parents are processed all at once, we
no longer needs to cache this information, so we simplify the code.
The simpler code is also a (tiny) bit faster overall.
Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev
---------------------------------------------------------------------------------------------------------------------------------------------------------------
mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 1 revs, 0.000041 s, 0.000041 s, +0.000000 s, × 1.0000, 41 µs/rev
mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 6 revs, 0.000102 s, 0.000096 s, -0.000006 s, × 0.9412, 16 µs/rev
mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 1032 revs, 0.004254 s, 0.004039 s, -0.000215 s, × 0.9495, 3 µs/rev
pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 9 revs, 0.000282 s, 0.000189 s, -0.000093 s, × 0.6702, 21 µs/rev
pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 1 revs, 0.000048 s, 0.000047 s, -0.000001 s, × 0.9792, 47 µs/rev
pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 7 revs, 0.000211 s, 0.000103 s, -0.000108 s, × 0.4882, 14 µs/rev
pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 1 revs, 0.000375 s, 0.000286 s, -0.000089 s, × 0.7627, 286 µs/rev
pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 6 revs, 0.010574 s, 0.010436 s, -0.000138 s, × 0.9869, 1739 µs/rev
pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 4785 revs, 0.049974 s, 0.047465 s, -0.002509 s, × 0.9498, 9 µs/rev
pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 6780 revs, 0.084300 s, 0.082351 s, -0.001949 s, × 0.9769, 12 µs/rev
pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 5441 revs, 0.060128 s, 0.058757 s, -0.001371 s, × 0.9772, 10 µs/rev
pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 43645 revs, 0.686542 s, 0.674129 s, -0.012413 s, × 0.9819, 15 µs/rev
pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 2 revs, 0.009277 s, 0.009434 s, +0.000157 s, × 1.0169, 4717 µs/rev
pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 11316 revs, 0.114733 s, 0.111935 s, -0.002798 s, × 0.9756, 9 µs/rev
netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 2 revs, 0.000081 s, 0.000078 s, -0.000003 s, × 0.9630, 39 µs/rev
netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 2 revs, 0.000107 s, 0.000106 s, -0.000001 s, × 0.9907, 53 µs/rev
netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 3 revs, 0.000173 s, 0.000162 s, -0.000011 s, × 0.9364, 54 µs/rev
netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 9 revs, 0.000698 s, 0.000695 s, -0.000003 s, × 0.9957, 77 µs/rev
netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 1421 revs, 0.009248 s, 0.008901 s, -0.000347 s, × 0.9625, 6 µs/rev
netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 1533 revs, 0.015446 s, 0.014333 s, -0.001113 s, × 0.9279, 9 µs/rev
netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 5750 revs, 0.074373 s, 0.071998 s, -0.002375 s, × 0.9681, 12 µs/rev
netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 66949 revs, 0.639870 s, 0.615346 s, -0.024524 s, × 0.9617, 9 µs/rev
mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 2 revs, 0.000088 s, 0.000085 s, -0.000003 s, × 0.9659, 42 µs/rev
mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 8 revs, 0.000199 s, 0.000199 s, +0.000000 s, × 1.0000, 24 µs/rev
mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 9 revs, 0.000171 s, 0.000169 s, -0.000002 s, × 0.9883, 18 µs/rev
mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 7 revs, 0.000592 s, 0.000590 s, -0.000002 s, × 0.9966, 84 µs/rev
mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 3 revs, 0.003151 s, 0.003122 s, -0.000029 s, × 0.9908, 1040 µs/rev
mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.061612 s, 0.061192 s, -0.000420 s, × 0.9932, 10198 µs/rev
mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.005381 s, 0.005137 s, -0.000244 s, × 0.9547, 3 µs/rev
mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.003742 s, 0.003585 s, -0.000157 s, × 0.9580, 87 µs/rev
mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 7839 revs, 0.061983 s, 0.060592 s, -0.001391 s, × 0.9776, 7 µs/rev
mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.019861 s, 0.019596 s, -0.000265 s, × 0.9867, 31 µs/rev
mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 30263 revs, 0.188101 s, 0.183558 s, -0.004543 s, × 0.9758, 6 µs/rev
mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 153721 revs, 1.806696 s, 1.758083 s, -0.048613 s, × 0.9731, 11 µs/rev
mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 204976 revs, 2.682987 s, 2.592955 s, -0.090032 s, × 0.9664, 12 µs/rev
mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 2 revs, 0.000852 s, 0.000844 s, -0.000008 s, × 0.9906, 422 µs/rev
mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 2 revs, 0.000859 s, 0.000861 s, +0.000002 s, × 1.0023, 430 µs/rev
mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 4 revs, 0.000150 s, 0.000150 s, +0.000000 s, × 1.0000, 37 µs/rev
mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 2 revs, 0.001158 s, 0.001166 s, +0.000008 s, × 1.0069, 583 µs/rev
mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1 revs, 0.027240 s, 0.027359 s, +0.000119 s, × 1.0044, 27359 µs/rev
mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.062824 s, 0.061848 s, -0.000976 s, × 0.9845, 10308 µs/rev
mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.005463 s, 0.005110 s, -0.000353 s, × 0.9354, 3 µs/rev
mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.004238 s, 0.004168 s, -0.000070 s, × 0.9835, 101 µs/rev
mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 6657 revs, 0.064113 s, 0.063414 s, -0.000699 s, × 0.9891, 9 µs/rev
mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 40314 revs, 0.294063 s, 0.288301 s, -0.005762 s, × 0.9804, 7 µs/rev
mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 38690 revs, 0.281493 s, 0.275798 s, -0.005695 s, × 0.9798, 7 µs/rev
mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 8598 revs, 0.076323 s, 0.074640 s, -0.001683 s, × 0.9779, 8 µs/rev
mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.020390 s, 0.020327 s, -0.000063 s, × 0.9969, 33 µs/rev
mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 3.023879 s, 2.970385 s, -0.053494 s, × 0.9823, 30 µs/rev
mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 0.735549 s, 0.719432 s, -0.016117 s, × 0.9781, 13 µs/rev
mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 18.568900 s, 18.165143 s, -0.403757 s, × 0.9783, 49 µs/rev
mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 0.502584 s, 0.486769 s, -0.015815 s, × 0.9685, 14 µs/rev
mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 18.356645 s, 17.913924 s, -0.442721 s, × 0.9759, 49 µs/rev
mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 18.250393 s, 17.660113 s, -0.590280 s, × 0.9677, 49 µs/rev
mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 2.792459 s, 2.709446 s, -0.083013 s, × 0.9703, 14 µs/rev
mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 107.697264 s, 107.796891 s, +0.099627 s, × 1.0009, 470 µs/rev
mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 63.961040 s, 63.575217 s, -0.385823 s, × 0.9940, 166 µs/rev
Differential Revision: https://phab.mercurial-scm.org/D9423
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Fri, 20 Nov 2020 13:46:14 +0100 |
parents | 89a2afe31e82 |
children | 70f8c64812db |
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dagparser: parses and formats DAGs as concise text
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1 # dagparser.py - parser and generator for concise description of DAGs |
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2 # |
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3 # Copyright 2010 Peter Arrenbrecht <peter@arrenbrecht.ch> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import re |
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11 import string |
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12 |
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13 from .i18n import _ |
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14 from . import ( |
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15 error, |
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16 pycompat, |
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17 ) |
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18 from .utils import stringutil |
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19 |
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20 |
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21 def parsedag(desc): |
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22 '''parses a DAG from a concise textual description; generates events |
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23 |
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24 "+n" is a linear run of n nodes based on the current default parent |
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25 "." is a single node based on the current default parent |
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26 "$" resets the default parent to -1 (implied at the start); |
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27 otherwise the default parent is always the last node created |
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28 "<p" sets the default parent to the backref p |
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29 "*p" is a fork at parent p, where p is a backref |
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30 "*p1/p2/.../pn" is a merge of parents p1..pn, where the pi are backrefs |
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31 "/p2/.../pn" is a merge of the preceding node and p2..pn |
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32 ":name" defines a label for the preceding node; labels can be redefined |
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33 "@text" emits an annotation event for text |
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34 "!command" emits an action event for the current node |
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35 "!!my command\n" is like "!", but to the end of the line |
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36 "#...\n" is a comment up to the end of the line |
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37 |
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38 Whitespace between the above elements is ignored. |
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39 |
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40 A backref is either |
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41 * a number n, which references the node curr-n, where curr is the current |
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42 node, or |
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43 * the name of a label you placed earlier using ":name", or |
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44 * empty to denote the default parent. |
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45 |
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46 All string valued-elements are either strictly alphanumeric, or must |
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47 be enclosed in double quotes ("..."), with "\" as escape character. |
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48 |
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49 Generates sequence of |
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50 |
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51 ('n', (id, [parentids])) for node creation |
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52 ('l', (id, labelname)) for labels on nodes |
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53 ('a', text) for annotations |
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54 ('c', command) for actions (!) |
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55 ('C', command) for line actions (!!) |
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56 |
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57 Examples |
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58 -------- |
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59 |
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60 Example of a complex graph (output not shown for brevity): |
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61 |
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62 >>> len(list(parsedag(b""" |
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63 ... |
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64 ... +3 # 3 nodes in linear run |
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65 ... :forkhere # a label for the last of the 3 nodes from above |
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66 ... +5 # 5 more nodes on one branch |
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67 ... :mergethis # label again |
17500 | 68 ... <forkhere # set default parent to labeled fork node |
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69 ... +10 # 10 more nodes on a parallel branch |
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70 ... @stable # following nodes will be annotated as "stable" |
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71 ... +5 # 5 nodes in stable |
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72 ... !addfile # custom command; could trigger new file in next node |
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73 ... +2 # two more nodes |
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75 ... +4 # 4 more nodes descending from merge node |
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76 ... |
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77 ... """))) |
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78 34 |
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79 |
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80 Empty list: |
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81 |
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82 >>> list(parsedag(b"")) |
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83 [] |
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84 |
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85 A simple linear run: |
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86 |
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87 >>> list(parsedag(b"+3")) |
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88 [('n', (0, [-1])), ('n', (1, [0])), ('n', (2, [1]))] |
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89 |
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90 Some non-standard ways to define such runs: |
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91 |
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92 >>> list(parsedag(b"+1+2")) |
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93 [('n', (0, [-1])), ('n', (1, [0])), ('n', (2, [1]))] |
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94 |
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95 >>> list(parsedag(b"+1*1*")) |
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96 [('n', (0, [-1])), ('n', (1, [0])), ('n', (2, [1]))] |
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97 |
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98 >>> list(parsedag(b"*")) |
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99 [('n', (0, [-1]))] |
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100 |
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101 >>> list(parsedag(b"...")) |
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102 [('n', (0, [-1])), ('n', (1, [0])), ('n', (2, [1]))] |
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103 |
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104 A fork and a join, using numeric back references: |
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105 |
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106 >>> list(parsedag(b"+2*2*/2")) |
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107 [('n', (0, [-1])), ('n', (1, [0])), ('n', (2, [0])), ('n', (3, [2, 1]))] |
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108 |
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109 >>> list(parsedag(b"+2<2+1/2")) |
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110 [('n', (0, [-1])), ('n', (1, [0])), ('n', (2, [0])), ('n', (3, [2, 1]))] |
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111 |
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112 Placing a label: |
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113 |
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114 >>> list(parsedag(b"+1 :mylabel +1")) |
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115 [('n', (0, [-1])), ('l', (0, 'mylabel')), ('n', (1, [0]))] |
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116 |
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117 An empty label (silly, really): |
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118 |
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119 >>> list(parsedag(b"+1:+1")) |
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120 [('n', (0, [-1])), ('l', (0, '')), ('n', (1, [0]))] |
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121 |
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122 Fork and join, but with labels instead of numeric back references: |
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123 |
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124 >>> list(parsedag(b"+1:f +1:p2 *f */p2")) |
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125 [('n', (0, [-1])), ('l', (0, 'f')), ('n', (1, [0])), ('l', (1, 'p2')), |
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126 ('n', (2, [0])), ('n', (3, [2, 1]))] |
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127 |
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128 >>> list(parsedag(b"+1:f +1:p2 <f +1 /p2")) |
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129 [('n', (0, [-1])), ('l', (0, 'f')), ('n', (1, [0])), ('l', (1, 'p2')), |
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130 ('n', (2, [0])), ('n', (3, [2, 1]))] |
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131 |
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132 Restarting from the root: |
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133 |
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134 >>> list(parsedag(b"+1 $ +1")) |
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135 [('n', (0, [-1])), ('n', (1, [-1]))] |
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136 |
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137 Annotations, which are meant to introduce sticky state for subsequent nodes: |
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138 |
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139 >>> list(parsedag(b"+1 @ann +1")) |
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140 [('n', (0, [-1])), ('a', 'ann'), ('n', (1, [0]))] |
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141 |
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142 >>> list(parsedag(b'+1 @"my annotation" +1')) |
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143 [('n', (0, [-1])), ('a', 'my annotation'), ('n', (1, [0]))] |
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144 |
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145 Commands, which are meant to operate on the most recently created node: |
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146 |
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147 >>> list(parsedag(b"+1 !cmd +1")) |
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148 [('n', (0, [-1])), ('c', 'cmd'), ('n', (1, [0]))] |
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149 |
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150 >>> list(parsedag(b'+1 !"my command" +1')) |
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151 [('n', (0, [-1])), ('c', 'my command'), ('n', (1, [0]))] |
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152 |
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153 >>> list(parsedag(b'+1 !!my command line\\n +1')) |
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154 [('n', (0, [-1])), ('C', 'my command line'), ('n', (1, [0]))] |
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155 |
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156 Comments, which extend to the end of the line: |
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157 |
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158 >>> list(parsedag(b'+1 # comment\\n+1')) |
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159 [('n', (0, [-1])), ('n', (1, [0]))] |
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160 |
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161 Error: |
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162 |
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163 >>> try: list(parsedag(b'+1 bad')) |
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164 ... except Exception as e: print(pycompat.sysstr(bytes(e))) |
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165 invalid character in dag description: bad... |
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166 |
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167 ''' |
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168 if not desc: |
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169 return |
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170 |
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171 wordchars = pycompat.bytestr( |
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172 string.ascii_letters + string.digits |
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173 ) # pytype: disable=wrong-arg-types |
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174 |
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175 labels = {} |
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176 p1 = -1 |
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177 r = 0 |
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178 |
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179 def resolve(ref): |
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180 if not ref: |
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181 return p1 |
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182 elif ref[0] in pycompat.bytestr( |
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183 string.digits |
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184 ): # pytype: disable=wrong-arg-types |
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185 return r - int(ref) |
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186 else: |
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187 return labels[ref] |
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188 |
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189 chiter = pycompat.iterbytestr(desc) |
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190 |
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191 def nextch(): |
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192 return next(chiter, b'\0') |
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193 |
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194 def nextrun(c, allow): |
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195 s = b'' |
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196 while c in allow: |
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197 s += c |
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198 c = nextch() |
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199 return c, s |
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200 |
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201 def nextdelimited(c, limit, escape): |
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202 s = b'' |
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203 while c != limit: |
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204 if c == escape: |
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205 c = nextch() |
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206 s += c |
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207 c = nextch() |
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208 return nextch(), s |
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209 |
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210 def nextstring(c): |
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211 if c == b'"': |
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212 return nextdelimited(nextch(), b'"', b'\\') |
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213 else: |
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214 return nextrun(c, wordchars) |
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215 |
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216 c = nextch() |
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217 while c != b'\0': |
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218 while c in pycompat.bytestr( |
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219 string.whitespace |
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220 ): # pytype: disable=wrong-arg-types |
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221 c = nextch() |
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222 if c == b'.': |
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223 yield b'n', (r, [p1]) |
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224 p1 = r |
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225 r += 1 |
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226 c = nextch() |
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227 elif c == b'+': |
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228 c, digs = nextrun( |
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229 nextch(), pycompat.bytestr(string.digits) |
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230 ) # pytype: disable=wrong-arg-types |
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231 n = int(digs) |
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232 for i in pycompat.xrange(0, n): |
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233 yield b'n', (r, [p1]) |
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234 p1 = r |
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235 r += 1 |
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236 elif c in b'*/': |
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237 if c == b'*': |
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238 c = nextch() |
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239 c, pref = nextstring(c) |
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240 prefs = [pref] |
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241 while c == b'/': |
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242 c, pref = nextstring(nextch()) |
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243 prefs.append(pref) |
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244 ps = [resolve(ref) for ref in prefs] |
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245 yield b'n', (r, ps) |
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246 p1 = r |
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247 r += 1 |
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248 elif c == b'<': |
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249 c, ref = nextstring(nextch()) |
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250 p1 = resolve(ref) |
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251 elif c == b':': |
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252 c, name = nextstring(nextch()) |
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253 labels[name] = p1 |
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254 yield b'l', (p1, name) |
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255 elif c == b'@': |
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256 c, text = nextstring(nextch()) |
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257 yield b'a', text |
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258 elif c == b'!': |
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259 c = nextch() |
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260 if c == b'!': |
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261 cmd = b'' |
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262 c = nextch() |
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263 while c not in b'\n\r\0': |
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264 cmd += c |
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265 c = nextch() |
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266 yield b'C', cmd |
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267 else: |
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268 c, cmd = nextstring(c) |
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269 yield b'c', cmd |
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270 elif c == b'#': |
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271 while c not in b'\n\r\0': |
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272 c = nextch() |
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273 elif c == b'$': |
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274 p1 = -1 |
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275 c = nextch() |
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276 elif c == b'\0': |
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277 return # in case it was preceded by whitespace |
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278 else: |
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279 s = b'' |
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280 i = 0 |
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281 while c != b'\0' and i < 10: |
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282 s += c |
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283 i += 1 |
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284 c = nextch() |
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285 raise error.Abort( |
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286 _(b'invalid character in dag description: %s...') % s |
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287 ) |
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288 |
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289 |
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290 def dagtextlines( |
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291 events, |
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292 addspaces=True, |
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293 wraplabels=False, |
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294 wrapannotations=False, |
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295 wrapcommands=False, |
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296 wrapnonlinear=False, |
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297 usedots=False, |
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298 maxlinewidth=70, |
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299 ): |
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300 '''generates single lines for dagtext()''' |
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301 |
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302 def wrapstring(text): |
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303 if re.match(b"^[0-9a-z]*$", text): |
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304 return text |
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305 return b'"' + text.replace(b'\\', b'\\\\').replace(b'"', b'\"') + b'"' |
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306 |
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307 def gen(): |
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308 labels = {} |
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309 run = 0 |
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310 wantr = 0 |
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311 needroot = False |
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312 for kind, data in events: |
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313 if kind == b'n': |
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314 r, ps = data |
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315 |
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316 # sanity check |
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317 if r != wantr: |
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318 raise error.Abort(_(b"expected id %i, got %i") % (wantr, r)) |
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319 if not ps: |
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320 ps = [-1] |
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321 else: |
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322 for p in ps: |
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323 if p >= r: |
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324 raise error.Abort( |
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325 _( |
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326 b"parent id %i is larger than " |
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327 b"current id %i" |
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328 ) |
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329 % (p, r) |
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330 ) |
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331 wantr += 1 |
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332 |
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333 # new root? |
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334 p1 = r - 1 |
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335 if len(ps) == 1 and ps[0] == -1: |
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336 if needroot: |
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337 if run: |
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338 yield b'+%d' % run |
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339 run = 0 |
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340 if wrapnonlinear: |
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341 yield b'\n' |
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342 yield b'$' |
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343 p1 = -1 |
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344 else: |
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345 needroot = True |
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346 if len(ps) == 1 and ps[0] == p1: |
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347 if usedots: |
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348 yield b"." |
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349 else: |
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350 run += 1 |
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351 else: |
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352 if run: |
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353 yield b'+%d' % run |
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354 run = 0 |
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355 if wrapnonlinear: |
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356 yield b'\n' |
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357 prefs = [] |
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358 for p in ps: |
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359 if p == p1: |
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360 prefs.append(b'') |
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361 elif p in labels: |
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362 prefs.append(labels[p]) |
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363 else: |
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364 prefs.append(b'%d' % (r - p)) |
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365 yield b'*' + b'/'.join(prefs) |
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366 else: |
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367 if run: |
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368 yield b'+%d' % run |
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369 run = 0 |
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370 if kind == b'l': |
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371 rid, name = data |
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372 labels[rid] = name |
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373 yield b':' + name |
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374 if wraplabels: |
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375 yield b'\n' |
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376 elif kind == b'c': |
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377 yield b'!' + wrapstring(data) |
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378 if wrapcommands: |
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379 yield b'\n' |
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380 elif kind == b'C': |
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381 yield b'!!' + data |
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382 yield b'\n' |
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383 elif kind == b'a': |
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|
384 if wrapannotations: |
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385 yield b'\n' |
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386 yield b'@' + wrapstring(data) |
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387 elif kind == b'#': |
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388 yield b'#' + data |
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389 yield b'\n' |
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parents:
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390 else: |
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391 raise error.Abort( |
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cleanup: join string literals that are already on one line
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392 _(b"invalid event type in dag: ('%s', '%s')") |
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393 % ( |
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394 stringutil.escapestr(kind), |
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395 stringutil.escapestr(data), |
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396 ) |
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|
397 ) |
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398 if run: |
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399 yield b'+%d' % run |
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|
400 |
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401 line = b'' |
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|
402 for part in gen(): |
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403 if part == b'\n': |
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404 if line: |
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405 yield line |
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406 line = b'' |
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407 else: |
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408 if len(line) + len(part) >= maxlinewidth: |
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409 yield line |
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410 line = b'' |
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411 elif addspaces and line and part != b'.': |
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412 line += b' ' |
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413 line += part |
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414 if line: |
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415 yield line |
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416 |
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417 |
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418 def dagtext( |
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419 dag, |
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420 addspaces=True, |
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421 wraplabels=False, |
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422 wrapannotations=False, |
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423 wrapcommands=False, |
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424 wrapnonlinear=False, |
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425 usedots=False, |
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426 maxlinewidth=70, |
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427 ): |
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428 """generates lines of a textual representation for a dag event stream |
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429 |
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430 events should generate what parsedag() does, so: |
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431 |
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432 ('n', (id, [parentids])) for node creation |
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433 ('l', (id, labelname)) for labels on nodes |
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434 ('a', text) for annotations |
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435 ('c', text) for commands |
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436 ('C', text) for line commands ('!!') |
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437 ('#', text) for comment lines |
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438 |
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439 Parent nodes must come before child nodes. |
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440 |
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441 Examples |
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442 -------- |
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443 |
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444 Linear run: |
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445 |
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446 >>> dagtext([(b'n', (0, [-1])), (b'n', (1, [0]))]) |
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447 '+2' |
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448 |
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449 Two roots: |
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450 |
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451 >>> dagtext([(b'n', (0, [-1])), (b'n', (1, [-1]))]) |
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452 '+1 $ +1' |
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453 |
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454 Fork and join: |
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455 |
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456 >>> dagtext([(b'n', (0, [-1])), (b'n', (1, [0])), (b'n', (2, [0])), |
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457 ... (b'n', (3, [2, 1]))]) |
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458 '+2 *2 */2' |
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459 |
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460 Fork and join with labels: |
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461 |
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462 >>> dagtext([(b'n', (0, [-1])), (b'l', (0, b'f')), (b'n', (1, [0])), |
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463 ... (b'l', (1, b'p2')), (b'n', (2, [0])), (b'n', (3, [2, 1]))]) |
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464 '+1 :f +1 :p2 *f */p2' |
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465 |
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466 Annotations: |
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467 |
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468 >>> dagtext([(b'n', (0, [-1])), (b'a', b'ann'), (b'n', (1, [0]))]) |
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469 '+1 @ann +1' |
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470 |
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471 >>> dagtext([(b'n', (0, [-1])), |
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472 ... (b'a', b'my annotation'), |
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473 ... (b'n', (1, [0]))]) |
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474 '+1 @"my annotation" +1' |
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475 |
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476 Commands: |
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477 |
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478 >>> dagtext([(b'n', (0, [-1])), (b'c', b'cmd'), (b'n', (1, [0]))]) |
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479 '+1 !cmd +1' |
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480 |
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481 >>> dagtext([(b'n', (0, [-1])), |
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482 ... (b'c', b'my command'), |
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483 ... (b'n', (1, [0]))]) |
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484 '+1 !"my command" +1' |
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485 |
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486 >>> dagtext([(b'n', (0, [-1])), |
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487 ... (b'C', b'my command line'), |
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488 ... (b'n', (1, [0]))]) |
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489 '+1 !!my command line\\n+1' |
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490 |
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491 Comments: |
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492 |
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493 >>> dagtext([(b'n', (0, [-1])), (b'#', b' comment'), (b'n', (1, [0]))]) |
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494 '+1 # comment\\n+1' |
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495 |
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496 >>> dagtext([]) |
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497 '' |
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498 |
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499 Combining parsedag and dagtext: |
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500 |
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501 >>> dagtext(parsedag(b'+1 :f +1 :p2 *f */p2')) |
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502 '+1 :f +1 :p2 *f */p2' |
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503 |
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504 """ |
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505 return b"\n".join( |
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506 dagtextlines( |
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507 dag, |
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508 addspaces, |
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509 wraplabels, |
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510 wrapannotations, |
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511 wrapcommands, |
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512 wrapnonlinear, |
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513 usedots, |
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514 maxlinewidth, |
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515 ) |
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516 ) |