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1 #!/usr/bin/env python3
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2 #
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3 # This file is part of GCC.
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4 #
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5 # GCC is free software; you can redistribute it and/or modify it under
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6 # the terms of the GNU General Public License as published by the Free
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7 # Software Foundation; either version 3, or (at your option) any later
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8 # version.
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9 #
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10 # GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 # for more details.
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14 #
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15 # You should have received a copy of the GNU General Public License
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16 # along with GCC; see the file COPYING3. If not see
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17 # <http://www.gnu.org/licenses/>. */
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18
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19 import os
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20 import sys
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21 from itertools import takewhile
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22
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23 from dateutil.parser import parse
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24
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25 from git_commit import GitCommit
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26
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27 from unidiff import PatchSet
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28
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29 DATE_PREFIX = 'Date: '
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30 FROM_PREFIX = 'From: '
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31
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32
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33 class GitEmail(GitCommit):
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34 def __init__(self, filename, strict=False):
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35 self.filename = filename
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36 diff = PatchSet.from_filename(filename)
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37 date = None
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38 author = None
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39
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40 lines = open(self.filename).read().splitlines()
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41 lines = list(takewhile(lambda line: line != '---', lines))
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42 for line in lines:
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43 if line.startswith(DATE_PREFIX):
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44 date = parse(line[len(DATE_PREFIX):])
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45 elif line.startswith(FROM_PREFIX):
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46 author = GitCommit.format_git_author(line[len(FROM_PREFIX):])
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47 header = list(takewhile(lambda line: line != '', lines))
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48 body = lines[len(header) + 1:]
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49
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50 modified_files = []
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51 for f in diff:
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52 if f.is_added_file:
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53 t = 'A'
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54 elif f.is_removed_file:
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55 t = 'D'
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56 else:
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57 t = 'M'
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58 modified_files.append((f.path, t))
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59 super().__init__(None, date, author, body, modified_files,
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60 strict=strict)
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61
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62
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63 if __name__ == '__main__':
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64 if len(sys.argv) == 1:
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65 allfiles = []
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66 for root, _dirs, files in os.walk('patches'):
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67 for f in files:
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68 full = os.path.join(root, f)
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69 allfiles.append(full)
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70
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71 success = 0
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72 for full in sorted(allfiles):
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73 email = GitEmail(full, False)
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74 print(email.filename)
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75 if email.success:
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76 success += 1
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77 print(' OK')
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78 else:
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79 for error in email.errors:
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80 print(' ERR: %s' % error)
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81
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82 print()
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83 print('Successfully parsed: %d/%d' % (success, len(allfiles)))
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84 else:
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85 email = GitEmail(sys.argv[1], False)
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86 if email.success:
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87 print('OK')
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88 email.print_output()
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89 else:
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90 if not email.lines:
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91 print('Error: patch contains no parsed lines', file=sys.stderr)
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92 email.print_errors()
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