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Viewing changes to bzrlib/patches.py

  • Committer: John Arbash Meinel
  • Date: 2010-02-17 17:11:16 UTC
  • mfrom: (4797.2.17 2.1)
  • mto: (4797.2.18 2.1)
  • mto: This revision was merged to the branch mainline in revision 5055.
  • Revision ID: john@arbash-meinel.com-20100217171116-h7t9223ystbnx5h8
merge bzr.2.1 in preparation for NEWS entry.

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bzrlib/patches.py
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# Copyright (C) 2004 - 2006, 2008 Aaron Bentley, Canonical Ltd
 
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# Copyright (C) 2005-2010 Aaron Bentley, Canonical Ltd
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# <aaron.bentley@utoronto.ca>
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#
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# This program is free software; you can redistribute it and/or modify
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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import re
 
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binary_files_re = 'Binary files (.*) and (.*) differ\n'
 
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class BinaryFiles(Exception):
 
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    def __init__(self, orig_name, mod_name):
 
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        self.orig_name = orig_name
 
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        self.mod_name = mod_name
 
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        Exception.__init__(self, 'Binary files section encountered.')
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class PatchSyntax(Exception):
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def get_patch_names(iter_lines):
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    try:
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        line = iter_lines.next()
 
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        match = re.match(binary_files_re, line)
 
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        if match is not None:
 
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            raise BinaryFiles(match.group(1), match.group(2))
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        if not line.startswith("--- "):
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            raise MalformedPatchHeader("No orig name", line)
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        else:
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        yield hunk
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class Patch:
 
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class BinaryPatch(object):
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    def __init__(self, oldname, newname):
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        self.oldname = oldname
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        self.newname = newname
 
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    def __str__(self):
 
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        return 'Binary files %s and %s differ\n' % (self.oldname, self.newname)
 
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class Patch(BinaryPatch):
 
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    def __init__(self, oldname, newname):
 
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        BinaryPatch.__init__(self, oldname, newname)
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        self.hunks = []
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    def __str__(self):
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def parse_patch(iter_lines):
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    iter_lines = iter_lines_handle_nl(iter_lines)
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    (orig_name, mod_name) = get_patch_names(iter_lines)
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    patch = Patch(orig_name, mod_name)
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    for hunk in iter_hunks(iter_lines):
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        patch.hunks.append(hunk)
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    return patch
 
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    try:
 
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        (orig_name, mod_name) = get_patch_names(iter_lines)
 
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    except BinaryFiles, e:
 
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        return BinaryPatch(e.orig_name, e.mod_name)
 
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    else:
 
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        patch = Patch(orig_name, mod_name)
 
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        for hunk in iter_hunks(iter_lines):
 
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            patch.hunks.append(hunk)
 
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        return patch
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def iter_file_patch(iter_lines):
 
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    regex = re.compile(binary_files_re)
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    saved_lines = []
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    orig_range = 0
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    for line in iter_lines:
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        elif orig_range > 0:
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            if line.startswith('-') or line.startswith(' '):
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                orig_range -= 1
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        elif line.startswith('--- '):
 
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        elif line.startswith('--- ') or regex.match(line):
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            if len(saved_lines) > 0:
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                yield saved_lines
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            saved_lines = []