108 lines
3.5 KiB
Python
Executable File
108 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 3, or (at your option) any later
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# version.
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#
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# GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>. */
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import os
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import sys
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from itertools import takewhile
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from dateutil.parser import parse
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from git_commit import GitCommit, GitInfo
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from unidiff import PatchSet
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DATE_PREFIX = 'Date: '
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FROM_PREFIX = 'From: '
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class GitEmail(GitCommit):
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def __init__(self, filename, strict=False):
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self.filename = filename
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diff = PatchSet.from_filename(filename)
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date = None
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author = None
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with open(self.filename, 'r') as f:
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lines = f.read().splitlines()
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lines = list(takewhile(lambda line: line != '---', lines))
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for line in lines:
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if line.startswith(DATE_PREFIX):
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date = parse(line[len(DATE_PREFIX):])
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elif line.startswith(FROM_PREFIX):
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author = GitCommit.format_git_author(line[len(FROM_PREFIX):])
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header = list(takewhile(lambda line: line != '', lines))
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body = lines[len(header) + 1:]
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modified_files = []
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for f in diff:
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# Strip "a/" and "b/" prefixes
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source = f.source_file[2:]
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target = f.target_file[2:]
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if f.is_added_file:
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t = 'A'
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elif f.is_removed_file:
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t = 'D'
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elif f.is_rename:
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# Consider that renamed files are two operations: the deletion
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# of the original name and the addition of the new one.
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modified_files.append((source, 'D'))
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t = 'A'
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else:
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t = 'M'
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modified_files.append((target, t))
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git_info = GitInfo(None, date, author, body, modified_files)
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super().__init__(git_info, strict=strict,
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commit_to_info_hook=lambda x: None)
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# With zero arguments, process every patch file in the ./patches directory.
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# With one argument, process the named patch file.
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# Patch files must be in 'git format-patch' format.
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if __name__ == '__main__':
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if len(sys.argv) == 1:
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allfiles = []
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for root, _dirs, files in os.walk('patches'):
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for f in files:
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full = os.path.join(root, f)
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allfiles.append(full)
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success = 0
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for full in sorted(allfiles):
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email = GitEmail(full, False)
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print(email.filename)
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if email.success:
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success += 1
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print(' OK')
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else:
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for error in email.errors:
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print(' ERR: %s' % error)
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print()
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print('Successfully parsed: %d/%d' % (success, len(allfiles)))
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else:
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email = GitEmail(sys.argv[1], False)
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if email.success:
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print('OK')
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email.print_output()
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else:
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if not email.info.lines:
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print('Error: patch contains no parsed lines', file=sys.stderr)
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email.print_errors()
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sys.exit(1)
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