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diff --git a/Master/texmf-dist/scripts/changes/pyMergeChanges.py b/Master/texmf-dist/scripts/changes/pyMergeChanges.py
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+#!/usr/bin/python
+"""
+ pymergechanges: Merge commits made with changes package into text
+ Copyright (C) 2018 Y. Cui
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+pymergechanges: Merge commits made with changes package into text
+
+Requires Python version 3; Tested on Python 3.6.6
+
+Supported commands: added, deleted, replaced, highlight
+Usage: python pyMergeChanges.py [-arh] <Input File> <Output File>
+<Output File> will be overwritten and must be different than <Input File>.
+Options:
+ -a: accept all added, deleted and replaced
+ -r: reject all added, deleted and replaced
+ -h: remove all highlights
+If no option is given, runs interactively.
+
+Created on Wed Dec 5 20:28:40 2018
+
+"""
+
+import sys
+import re
+import codecs
+
+def parse_param(parstr):
+ if all(p in parstr for p in ('a', 'r')):
+ print('You cannot accept and reject at the same time.')
+ sys.exit(1)
+ parout = ''
+ for par in parstr[1:]:
+ if par == 'a':
+ print('Accepting all added, deleted and replaced')
+ parout += 'a'
+ elif par == 'r':
+ print('Rejecting all added, deleted and replaced')
+ parout += 'r'
+ elif par == 'h':
+ print('Removing all highlights.')
+ parout += 'h'
+ else:
+ print('Unknown parameter: ' + par)
+ sys.exit(1)
+ if not parout:
+ parout = 'i'
+ return parout
+
+def ask1(): # accept, reject, keep, break
+ if PARAMS == 'i':
+ while True:
+ ans = input('[a]ccept or [r]eject or [k]eep or [b]reak ? ').lower()
+ if ans == 'a':
+ print('Accepted.')
+ break
+ elif ans == 'r':
+ print('Rejected.')
+ break
+ elif ans == 'k':
+ print('Kept.')
+ break
+ elif ans == 'b':
+ print('Alright.')
+ break
+ elif any(p == 'a' for p in PARAMS):
+ print('Accepted.')
+ ans = 'a'
+ elif any(p == 'r' for p in PARAMS):
+ print('Rejected.')
+ ans = 'r'
+ else:
+ ans = 'k'
+ return ans
+
+def ask2(): # remove, keep, break
+ if PARAMS == 'i':
+ while True:
+ ans = input('[r]emove or [k]eep or [b]reak ? ').lower()
+ if ans == 'r':
+ print('Removed.')
+ break
+ elif ans == 'k':
+ print('Kept.')
+ break
+ elif ans == 'b':
+ print('Alright.')
+ break
+ return ans
+ elif any(p == 'h' for p in PARAMS):
+ print('Removed.')
+ ans = 'r'
+ else:
+ print('Kept.')
+ ans = 'k'
+ return ans
+
+def trim_space(line, pos): # trim two consecutive white spaces
+ if line[pos-1:pos+1] == ' ':
+ line = line[:pos] + line[pos+1:]
+ return line
+
+# BEGIN OF SCRIPT
+
+if len(sys.argv) not in [3, 4]:
+ print(__doc__)
+ sys.exit(1)
+
+# parse input parameters
+if len(sys.argv) == 3:
+ print('Running in interactive mode. ')
+ INPUTFILE, OUTPUTFILE = sys.argv[1:]
+ PARAMS = "i"
+if len(sys.argv) == 4:
+ PARAMLIST, INPUTFILE, OUTPUTFILE = sys.argv[1:]
+ PARAMS = parse_param(PARAMLIST)
+
+if INPUTFILE == OUTPUTFILE:
+ print('Input File and Output File must be different.')
+ sys.exit(1)
+
+RE_ADDED = re.compile(r'\\added(\[[^\]]*\]){0,1}\{([^\}]*)\}')
+RE_DELETED = re.compile(r'\\deleted(\[[^\]]*\]){0,1}\{([^\}]*)\}')
+RE_REPLACED = re.compile(r'\\replaced(\[[^\]]*\]){0,1}\{([^\}]*)\}\{([^\}]*)\}')
+RE_HIGHLIGHT = re.compile(r'\\highlight(\[[^\]]*\]){0,1}\{([^\}]*)\}')
+RE_COMMENT = re.compile(r'\\comment(\[[^\]]*\]){0,1}\{([^\}]*)\}')
+
+codecs.open(OUTPUTFILE, mode='w', encoding='utf8').close()
+with codecs.open(INPUTFILE, mode='r', encoding='utf8') as fin, \
+codecs.open(OUTPUTFILE, mode='a', encoding='utf8') as fout:
+ LINE_COUNT = 0
+ FLAG_FAST_BREAK = False # if you want to halt merging for some reason
+ for linein in fin:
+ if FLAG_FAST_BREAK:
+ fout.write(linein)
+ continue
+ LINE_COUNT += 1
+ lineout = linein
+ matchAdded = RE_ADDED.search(lineout)
+ matchDeleted = RE_DELETED.search(lineout)
+ matchReplaced = RE_REPLACED.search(lineout)
+ matchHighlight = RE_HIGHLIGHT.search(lineout)
+ matchComment = RE_COMMENT.search(lineout)
+ flagHasCommit = matchAdded or matchDeleted or matchReplaced or matchHighlight or matchComment
+ if flagHasCommit:
+ print('\n******** In Line %i :\n %s' % (LINE_COUNT, lineout))
+ next_pos = 0
+ while matchAdded:
+ if FLAG_FAST_BREAK:
+ break
+ print('\n** add commit ** \n' + matchAdded.group())
+ answer = ask1()
+ if answer == 'a':
+ lineout = (lineout[:matchAdded.start(0)]
+ + matchAdded.group(2) + lineout[matchAdded.end(0):])
+ lineout = trim_space(lineout, matchAdded.start(0)
+ + len(matchAdded.group(2)))
+ lineout = trim_space(lineout, matchAdded.start(0))
+ elif answer == 'r':
+ lineout = (lineout[:matchAdded.start(0)] + lineout[matchAdded.end(0):])
+ lineout = trim_space(lineout, matchAdded.start(0))
+ elif answer == 'k':
+ lineout = lineout
+ next_pos = matchAdded.end(0)
+ elif answer == 'b':
+ FLAG_FAST_BREAK = True
+ break
+ matchAdded = RE_ADDED.search(lineout, next_pos) # redo matching for updated text
+
+ next_pos = 0
+ while matchDeleted:
+ if FLAG_FAST_BREAK:
+ break
+ print('\n** delete commit ** \n' + matchDeleted.group())
+ answer = ask1()
+ if answer == 'a':
+ lineout = (lineout[:matchDeleted.start(0)] + lineout[matchDeleted.end(0):])
+ lineout = trim_space(lineout, matchDeleted.start(0))
+ elif answer == 'r':
+ lineout = (lineout[:matchDeleted.start(0)] + matchDeleted.group(2)
+ + lineout[matchDeleted.end(0):])
+ elif answer == 'k':
+ lineout = lineout
+ next_pos = matchDeleted.end(0)
+ elif answer == 'b':
+ FLAG_FAST_BREAK = True
+ break
+ matchDeleted = RE_DELETED.search(lineout, next_pos)
+
+ next_pos = 0
+ while matchReplaced:
+ if FLAG_FAST_BREAK:
+ break
+ print('\n** replace commit ** \n' + matchReplaced.group())
+ answer = ask1()
+ if answer == 'a':
+ lineout = (lineout[:matchReplaced.start(0)]
+ + matchReplaced.group(2) + lineout[matchReplaced.end(0):])
+ lineout = trim_space(lineout, matchReplaced.start(0)
+ + len(matchReplaced.group(2)))
+ lineout = trim_space(lineout, matchReplaced.start(0))
+ elif answer == 'r':
+ lineout = (lineout[:matchReplaced.start(0)]
+ + matchReplaced.group(3) + lineout[matchReplaced.end(0):])
+ lineout = trim_space(lineout, matchReplaced.start(0)
+ + len(matchReplaced.group(3)))
+ lineout = trim_space(lineout, matchReplaced.start(0))
+ elif answer == 'k':
+ lineout = lineout
+ next_pos = matchReplaced.end(0)
+ elif answer == 'b':
+ FLAG_FAST_BREAK = True
+ break
+ matchReplaced = RE_REPLACED.search(lineout, next_pos)
+
+ next_pos = 0
+ while matchHighlight:
+ if FLAG_FAST_BREAK:
+ break
+ print('\n** highlight commit ** \n' + matchHighlight.group())
+ answer = ask2()
+ if answer == 'r':
+ lineout = (lineout[:matchHighlight.start(0)]
+ + matchHighlight.group(2) + lineout[matchHighlight.end(0):])
+ lineout = trim_space(lineout, matchHighlight.start(0)
+ + len(matchHighlight.group(2)))
+ lineout = trim_space(lineout, matchHighlight.start(0))
+ elif answer == 'k':
+ lineout = lineout
+ next_pos = matchHighlight.end(0)
+ elif answer == 'b':
+ FLAG_FAST_BREAK = True
+ break
+ matchHighlight = RE_HIGHLIGHT.search(lineout, next_pos)
+
+ next_pos = 0
+ while matchComment:
+ if FLAG_FAST_BREAK:
+ break
+ print('\n** comment commit ** \n' + matchComment.group())
+ answer = ask2()
+ if answer == 'r':
+ lineout = (lineout[:matchComment.start(0)]
+ + matchComment.group(2) + lineout[matchComment.end(0):])
+ lineout = trim_space(lineout, matchComment.start(0)
+ + len(matchComment.group(2)))
+ lineout = trim_space(lineout, matchComment.start(0))
+ elif answer == 'k':
+ lineout = lineout
+ next_pos = matchComment.end(0)
+ elif answer == 'b':
+ FLAG_FAST_BREAK = True
+ break
+ matchComment = RE_COMMENT.search(lineout, next_pos)
+
+ if lineout.isspace():
+ print('\nResult is empty line and not stored.')
+ else:
+ print('\nResult: \n' + lineout + '\n')
+ fout.write(lineout)
+
+ else:
+ fout.write(linein)
+#
+# END OF SCRIPT