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  • Committer: Ursula Junque (Ursinha)
  • Date: 2010-12-16 20:51:58 UTC
  • Revision ID: ursinha@canonical.com-20101216205158-ntcuh2mmgyde3azj
Fixed tests path.

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# Copyright (C) 2005-2008 by Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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"""Submit an email to a Patch Queue Manager"""
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18
 
from bzrlib import (
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    config as _mod_config,
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    errors,
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    gpg,
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    osutils,
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    urlutils,
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    )
25
 
from bzrlib.branch import Branch
26
 
from bzrlib.email_message import EmailMessage
27
 
from bzrlib.smtp_connection import SMTPConnection
28
 
from bzrlib.trace import note, warning
29
 
 
30
 
 
31
 
class BadCommitMessage(errors.BzrError):
32
 
 
33
 
    _fmt = "The commit message %(msg)r cannot be used by pqm."
34
 
 
35
 
    def __init__(self, message):
36
 
        errors.BzrError.__init__(self)
37
 
        self.msg = message
38
 
 
39
 
 
40
 
class NoPQMSubmissionAddress(errors.BzrError):
41
 
 
42
 
    _fmt = "No PQM submission email address specified for %(branch_url)s."
43
 
 
44
 
    def __init__(self, branch):
45
 
        branch_url = urlutils.unescape_for_display(branch.base, 'ascii')
46
 
        errors.BzrError.__init__(self, branch_url=branch_url)
47
 
 
48
 
 
49
 
class PQMEmailMessage(EmailMessage):
50
 
    """PQM doesn't support proper email subjects, so we hack around it."""
51
 
 
52
 
    def __init__(self, from_address, to_address, subject, body=None):
53
 
        EmailMessage.__init__(self, from_address=from_address,
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                              to_address=to_address, subject=subject,
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                              body=body)
56
 
        # Now override self.Subject to use raw utf-8
57
 
        self._headers['Subject'] = osutils.safe_unicode(subject).encode('UTF-8')
58
 
 
59
 
 
60
 
class PQMSubmission(object):
61
 
    """A request to perform a PQM merge into a branch."""
62
 
 
63
 
    def __init__(self, source_branch, public_location=None,
64
 
                 submit_location=None, message=None,
65
 
                 tree=None):
66
 
        """Create a PQMSubmission object.
67
 
 
68
 
        :param source_branch: the source branch for the merge
69
 
        :param public_location: the public location of the source branch
70
 
        :param submit_location: the location of the target branch
71
 
        :param message: The message to use when committing this merge
72
 
        :param tree: A WorkingTree or None. If not None the WT will be checked
73
 
            for uncommitted changes.
74
 
 
75
 
        If any of public_location, submit_location or message are
76
 
        omitted, they will be calculated from source_branch.
77
 
        """
78
 
        if source_branch is None and public_location is None:
79
 
            raise errors.NoMergeSource()
80
 
        self.source_branch = source_branch
81
 
        self.tree = tree
82
 
 
83
 
        if public_location is None:
84
 
            public_location = self.source_branch.get_public_branch()
85
 
            # Fall back to the old public_repository hack.
86
 
            if public_location is None:
87
 
                src_loc = source_branch.bzrdir.root_transport.local_abspath('.')
88
 
                repository = source_branch.repository
89
 
                repo_loc = repository.bzrdir.root_transport.local_abspath('.')
90
 
                repo_config = _mod_config.LocationConfig(repo_loc)
91
 
                public_repo = repo_config.get_user_option("public_repository")
92
 
                if public_repo is not None:
93
 
                    warning("Please use public_branch, not public_repository, "
94
 
                            "to set the public location of branches.")
95
 
                    branch_relpath = osutils.relpath(repo_loc, src_loc)
96
 
                    public_location = urlutils.join(public_repo, branch_relpath)
97
 
 
98
 
            if public_location is None:
99
 
                raise errors.NoPublicBranch(self.source_branch)
100
 
        self.public_location = public_location
101
 
 
102
 
        if submit_location is None:
103
 
            if self.source_branch is None:
104
 
                raise errors.BzrError(
105
 
                    "Cannot determine submit location to use.")
106
 
            config = self.source_branch.get_config()
107
 
            # First check the deprecated pqm_branch config key:
108
 
            submit_location = config.get_user_option('pqm_branch')
109
 
            if submit_location is not None:
110
 
                warning("Please use submit_branch, not pqm_branch to set "
111
 
                        "the PQM merge target branch.")
112
 
            else:
113
 
                # Otherwise, use the standard config key:
114
 
                submit_location = self.source_branch.get_submit_branch()
115
 
 
116
 
            if submit_location is None:
117
 
                raise errors.NoSubmitBranch(self.source_branch)
118
 
            # See if the submit_location has a public branch
119
 
            try:
120
 
                submit_branch = Branch.open(submit_location)
121
 
            except errors.NotBranchError:
122
 
                pass
123
 
            else:
124
 
                submit_public_location = submit_branch.get_public_branch()
125
 
                if submit_public_location is not None:
126
 
                    submit_location = submit_public_location
127
 
        self.submit_location = submit_location
128
 
 
129
 
        # Check that the message is okay to pass to PQM
130
 
        assert message is not None
131
 
        self.message = message.encode('utf8')
132
 
        if '\n' in self.message:
133
 
            raise BadCommitMessage(self.message)
134
 
 
135
 
    def check_tree(self):
136
 
        """Check that the working tree has no uncommitted changes."""
137
 
        if self.tree is None:
138
 
            return
139
 
        note('Checking the working tree is clean ...')
140
 
        self.tree.lock_read()
141
 
        try:
142
 
            basis_tree = self.tree.basis_tree()
143
 
            basis_tree.lock_read()
144
 
            try:
145
 
                for change in self.tree.iter_changes(basis_tree):
146
 
                    # If we have any changes, the tree is not clean
147
 
                    raise errors.UncommittedChanges(self.tree)
148
 
            finally:
149
 
                basis_tree.unlock()
150
 
        finally:
151
 
            self.tree.unlock()
152
 
 
153
 
    def check_public_branch(self):
154
 
        """Check that the public branch is up to date with the local copy."""
155
 
        note('Checking that the public branch is up to date at\n    %s',
156
 
             urlutils.unescape_for_display(self.public_location, 'utf-8'))
157
 
        local_revision = self.source_branch.last_revision()
158
 
        public_revision = Branch.open(self.public_location).last_revision()
159
 
        if local_revision != public_revision:
160
 
            raise errors.PublicBranchOutOfDate(
161
 
                self.public_location, local_revision)
162
 
 
163
 
    def to_lines(self):
164
 
        """Serialise as a list of lines."""
165
 
        return ['star-merge %s %s\n' % (self.public_location, self.submit_location)]
166
 
 
167
 
    def to_signed(self):
168
 
        """Serialize as a signed string."""
169
 
        unsigned_text = ''.join(self.to_lines())
170
 
        unsigned_text = unsigned_text.encode('ascii') #URLs should be ascii
171
 
 
172
 
        if self.source_branch:
173
 
            config = self.source_branch.get_config()
174
 
        else:
175
 
            config = _mod_config.GlobalConfig()
176
 
        strategy = gpg.GPGStrategy(config)
177
 
        return strategy.sign(unsigned_text)
178
 
 
179
 
    def to_email(self, mail_from, mail_to, sign=True):
180
 
        """Serialize as an email message.
181
 
 
182
 
        :param mail_from: The from address for the message
183
 
        :param mail_to: The address to send the message to
184
 
        :param sign: If True, gpg-sign the email
185
 
        :return: an email message
186
 
        """
187
 
        if sign:
188
 
            body = self.to_signed()
189
 
        else:
190
 
            body = ''.join(self.to_lines())
191
 
        message = PQMEmailMessage(mail_from, mail_to, self.message, body)
192
 
        return message
193
 
 
194
 
 
195
 
class StackedConfig(_mod_config.Config):
196
 
 
197
 
    def __init__(self):
198
 
        super(StackedConfig, self).__init__()
199
 
        self._sources = []
200
 
 
201
 
    def add_source(self, source):
202
 
        self._sources.append(source)
203
 
 
204
 
    def _get_user_option(self, option_name):
205
 
        """See Config._get_user_option."""
206
 
        for source in self._sources:
207
 
            value = source._get_user_option(option_name)
208
 
            if value is not None:
209
 
                return value
210
 
        return None
211
 
 
212
 
    def _get_user_id(self):
213
 
        for source in self._sources:
214
 
            value = source._get_user_id()
215
 
            if value is not None:
216
 
                return value
217
 
        return None
218
 
 
219
 
 
220
 
def submit(branch, message, dry_run=False, public_location=None,
221
 
           submit_location=None, tree=None, ignore_local=False):
222
 
    """Submit the given branch to the pqm."""
223
 
    config = StackedConfig()
224
 
    if branch:
225
 
        config.add_source(branch.get_config())
226
 
    else:
227
 
        if public_location:
228
 
            config.add_source(_mod_config.LocationConfig(public_location))
229
 
        config.add_source(_mod_config.GlobalConfig())
230
 
 
231
 
    submission = PQMSubmission(
232
 
        source_branch=branch, public_location=public_location, message=message,
233
 
        submit_location=submit_location,
234
 
        tree=tree)
235
 
 
236
 
    mail_from = config.get_user_option('pqm_user_email')
237
 
    if not mail_from:
238
 
        mail_from = config.username()
239
 
    mail_from = mail_from.encode('utf8') # Make sure this isn't unicode
240
 
    mail_to = config.get_user_option('pqm_email')
241
 
    if not mail_to:
242
 
        raise NoPQMSubmissionAddress(branch)
243
 
    mail_to = mail_to.encode('utf8') # same here
244
 
 
245
 
    if not ignore_local:
246
 
        submission.check_tree()
247
 
        submission.check_public_branch()
248
 
 
249
 
    message = submission.to_email(mail_from, mail_to)
250
 
 
251
 
    if dry_run:
252
 
        print message.as_string()
253
 
        return
254
 
 
255
 
    SMTPConnection(config).send_email(message)