This file is indexed.

/usr/share/pyshared/gbp/patch_series.py is in git-buildpackage 0.6.0~git20120601.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
# vim: set fileencoding=utf-8 :
#
# (C) 2011 Guido Guenther <agx@sigxcpu.org>
#    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 2 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, write to the Free Software
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
"""Handle Patches and Patch Series"""

import os
import re
import subprocess
import tempfile
from gbp.errors import GbpError

class Patch(object):
    """
    A patch in a L{PatchSeries}

    @ivar path: path to the patch
    @type path: string
    @ivar topic: the topic of the patch (the directory component)
    @type topic: string
    @ivar strip: path components to strip (think patch -p<strip>)
    @type strip: integer
    @ivar info: Information retrieved from a RFC822 style patch header
    @type info: C{dict} with C{str} keys and values
    @ivar long_desc: the long description of the patch
    """
    patch_exts = ['diff', 'patch']

    def __init__(self, path, topic=None, strip=None):
        self.path = path
        self.topic = topic
        self.strip = strip
        self.info = None
        self.long_desc = None

    def __repr__(self):
        repr = "<gbp.patch_series.Patch path='%s' " % self.path
        if self.topic:
            repr += "topic='%s' " % self.topic
        if self.strip != None:
            repr += "strip=%d " % self.strip
        repr += ">"
        return repr

    def _read_info(self):
        """
        Read patch information into a structured form

        using I{git mailinfo}
        """
        self.info = {}
        body = tempfile.NamedTemporaryFile(prefix='gbp_')
        pipe = subprocess.Popen("git mailinfo '%s' /dev/null < '%s'" %
                                (body.name, self.path),
                                shell=True,
                                stdout=subprocess.PIPE).stdout
        for line in pipe:
            if ':' in line:
                rfc_header, value = line.split(" ", 1)
                header = rfc_header[:-1].lower()
                self.info[header] = value.strip()
        try:
            self.long_desc = "".join([ line for line in body ])
            body.close()
        except IOError as msg:
            raise GbpError("Failed to read patch header of '%s': %s" %
                           (self.patch, msg))
        finally:
            if os.path.exists(body.name):
                os.unlink(body.name)

    def _get_subject_from_filename(self):
        """
        Determine the patch's subject based on the it's filename

        >>> p = Patch('debian/patches/foo.patch')
        >>> p._get_subject_from_filename()
        'foo'
        >>> Patch('foo.patch')._get_subject_from_filename()
        'foo'
        >>> Patch('debian/patches/foo.bar')._get_subject_from_filename()
        'foo.bar'
        >>> p = Patch('debian/patches/foo')
        >>> p._get_subject_from_filename()
        'foo'

        @return: the patch's subject
        @rtype: C{str}
        """
        subject = os.path.basename(self.path)
        # Strip of .diff or .patch from patch name
        try:
            base, ext = subject.rsplit('.', 1)
            if ext in self.patch_exts:
                subject = base
        except ValueError:
                pass # No ext so keep subject as is
        return subject

    def _get_info_field(self, key, get_val=None):
        """
        Return the key I{key} from the info C{dict}
        or use val if I{key} is not a valid key.

        Fill self.info if not already done.

        @param key: key to fetch
        @type key: C{str}
        @param get_val: alternate value if key is not in info dict
        @type get_val: C{str}
        """
        if self.info == None:
            self._read_info()

        if self.info.has_key(key):
            return self.info[key]
        else:
            return get_val() if get_val else None


    @property
    def subject(self):
        """
        The patch's subject, either from the patch header or from the filename.
        """
        return self._get_info_field('subject', self._get_subject_from_filename)

    @property
    def author(self):
        """The patch's author"""
        return self._get_info_field('author')

    @property
    def email(self):
        """The patch author's email address"""
        return self._get_info_field('email')

    @property
    def date(self):
        """The patch's modification time"""
        return self._get_info_field('date')


class PatchSeries(list):
    """
    A series of L{Patch}es as read from a quilt series file).
    """

    @classmethod
    def read_series_file(klass, seriesfile):
        """Read a series file into L{Patch} objects"""
        patch_dir = os.path.dirname(seriesfile)

        if not os.path.exists(seriesfile):
            return []

        try:
            s = file(seriesfile)
        except Exception, err:
            raise GbpError("Cannot open series file: %s" % err)

        queue = klass._read_series(s, patch_dir)
        s.close()
        return queue

    @classmethod
    def _read_series(klass, series, patch_dir):
        """
        Read patch series

        >>> PatchSeries._read_series(['a/b', \
                            'a -p1', \
                            'a/b -p2'], '.') # doctest:+NORMALIZE_WHITESPACE
        [<gbp.patch_series.Patch path='./a/b' topic='a' >,
         <gbp.patch_series.Patch path='./a' strip=1 >,
         <gbp.patch_series.Patch path='./a/b' topic='a' strip=2 >]

        >>> PatchSeries._read_series(['# foo', 'a/b', '', '# bar'], '.')
        [<gbp.patch_series.Patch path='./a/b' topic='a' >]

        @param series: series of patches in quilt format
        @type series: iterable of strings
        @param patch_dir: path prefix to prepend to each patch path
        @type patch_dir: string
        """

        queue = PatchSeries()
        for line in series:
            try:
                if line[0] in [ '\n', '#' ]:
                    continue
            except IndexError:
                continue # ignore empty lines
            queue.append(klass._parse_line(line, patch_dir))
        return queue

    @staticmethod
    def _get_topic(line):
        """
        Get the topic from the patch's path

        >>> PatchSeries._get_topic("a/b c")
        'a'
        >>> PatchSeries._get_topic("asdf")
        >>> PatchSeries._get_topic("/asdf")
        """
        topic = os.path.dirname(line)
        if topic in [ '', '/' ]:
            topic = None
        return topic

    @staticmethod
    def _split_strip(line):
        """
        Separate the -p<num> option from the patch name

        >>> PatchSeries._split_strip("asdf -p1")
        ('asdf', 1)
        >>> PatchSeries._split_strip("a/nice/patch")
        ('a/nice/patch', None)
        >>> PatchSeries._split_strip("asdf foo")
        ('asdf foo', None)
        """
        patch = line
        strip = None

        split = line.rsplit(None, 1)
        if len(split) > 1:
            m = re.match('-p(?P<level>[0-9]+)', split[1])
            if m:
                patch = split[0]
                strip = int(m.group('level'))

        return (patch, strip)

    @classmethod
    def _parse_line(klass, line, patch_dir):
        """
        Parse a single line from a series file

        >>> PatchSeries._parse_line("a/b -p1", '/tmp/patches')
        <gbp.patch_series.Patch path='/tmp/patches/a/b' topic='a' strip=1 >
        >>> PatchSeries._parse_line("a/b", '.')
        <gbp.patch_series.Patch path='./a/b' topic='a' >
        """
        line = line.rstrip()
        topic = klass._get_topic(line)
        (patch, split) = klass._split_strip(line)
        return Patch(os.path.join(patch_dir, patch), topic, split)