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Viewing changes to breezy/plugins/launchpad/lp_api.py

  • Committer: Jelmer Vernooij
  • Date: 2018-07-08 14:45:27 UTC
  • mto: This revision was merged to the branch mainline in revision 7036.
  • Revision ID: jelmer@jelmer.uk-20180708144527-codhlvdcdg9y0nji
Fix a bunch of merge tests.

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breezy/plugins/launchpad/lp_api.py
1
 
# Copyright (C) 2009, 2010 Canonical Ltd
 
1
# Copyright (C) 2009-2012 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
16
16
 
17
17
"""Tools for dealing with the Launchpad API."""
18
18
 
 
19
from __future__ import absolute_import
 
20
 
19
21
# Importing this module will be expensive, since it imports launchpadlib and
20
22
# its dependencies. However, our plan is to only load this module when it is
21
23
# needed by a command that uses it.
22
24
 
23
25
 
 
26
import httplib2
24
27
import os
25
28
import re
 
29
try:
 
30
    from urllib.parse import (
 
31
        urlparse,
 
32
        urlunparse,
 
33
        )
 
34
except ImportError:  # python < 3
 
35
    from urlparse import (
 
36
        urlparse,
 
37
        urlunparse,
 
38
        )
26
39
 
27
 
from bzrlib import (
 
40
from ... import (
28
41
    branch,
29
42
    config,
30
43
    errors,
32
45
    trace,
33
46
    transport,
34
47
    )
35
 
from bzrlib.plugins.launchpad.lp_registration import (
 
48
from ...i18n import gettext
 
49
from .lp_registration import (
36
50
    InvalidLaunchpadInstance,
37
 
    NotLaunchpadBranch,
38
51
    )
39
52
 
40
53
try:
41
54
    import launchpadlib
42
 
except ImportError, e:
 
55
except ImportError as e:
43
56
    raise errors.DependencyNotPresent('launchpadlib', e)
44
57
 
45
58
from launchpadlib.launchpad import (
46
 
    EDGE_SERVICE_ROOT,
47
59
    STAGING_SERVICE_ROOT,
48
60
    Launchpad,
49
61
    )
50
 
 
 
62
from launchpadlib import uris
51
63
 
52
64
# Declare the minimum version of launchpadlib that we need in order to work.
53
 
# 1.5.1 is the version of launchpadlib packaged in Ubuntu 9.10, the most
54
 
# recent Ubuntu release at the time of writing.
55
 
MINIMUM_LAUNCHPADLIB_VERSION = (1, 5, 1)
 
65
# 1.6.0 is the version of launchpadlib packaged in Ubuntu 10.04, the most
 
66
# recent Ubuntu LTS release supported on the desktop at the time of writing.
 
67
MINIMUM_LAUNCHPADLIB_VERSION = (1, 6, 0)
56
68
 
57
69
 
58
70
def get_cache_directory():
69
81
    """Raise an error if launchpadlib has the wrong version number."""
70
82
    installed_version = parse_launchpadlib_version(launchpadlib.__version__)
71
83
    if installed_version < MINIMUM_LAUNCHPADLIB_VERSION:
72
 
        raise errors.IncompatibleAPI(
73
 
            'launchpadlib', MINIMUM_LAUNCHPADLIB_VERSION,
74
 
            installed_version, installed_version)
75
 
 
76
 
 
77
 
LAUNCHPAD_API_URLS = {
78
 
    'production': 'https://api.launchpad.net/beta/',
79
 
    'edge': EDGE_SERVICE_ROOT,
80
 
    'staging': STAGING_SERVICE_ROOT,
81
 
    'dev': 'https://api.launchpad.dev/beta/',
82
 
    }
 
84
        raise errors.DependencyNotPresent(
 
85
            'launchpadlib',
 
86
            'At least launchpadlib %s is required, but installed version is %s'
 
87
            % (MINIMUM_LAUNCHPADLIB_VERSION, installed_version))
 
88
 
 
89
 
 
90
def lookup_service_root(service_root):
 
91
    try:
 
92
        return uris.lookup_service_root(service_root)
 
93
    except ValueError:
 
94
        if service_root != 'qastaging':
 
95
            raise
 
96
        staging_root = uris.lookup_service_root('staging')
 
97
        return staging_root.replace('staging', 'qastaging')
83
98
 
84
99
 
85
100
def _get_api_url(service):
86
101
    """Return the root URL of the Launchpad API.
87
102
 
88
 
    e.g. For the 'edge' Launchpad service, this function returns
89
 
    launchpadlib.launchpad.EDGE_SERVICE_ROOT.
 
103
    e.g. For the 'staging' Launchpad service, this function returns
 
104
    launchpadlib.launchpad.STAGING_SERVICE_ROOT.
90
105
 
91
106
    :param service: A `LaunchpadService` object.
92
107
    :return: A URL as a string.
96
111
    else:
97
112
        lp_instance = service._lp_instance
98
113
    try:
99
 
        return LAUNCHPAD_API_URLS[lp_instance]
100
 
    except KeyError:
 
114
        return lookup_service_root(lp_instance)
 
115
    except ValueError:
101
116
        raise InvalidLaunchpadInstance(lp_instance)
102
117
 
103
118
 
104
 
def login(service, timeout=None, proxy_info=None):
 
119
class NoLaunchpadBranch(errors.BzrError):
 
120
    _fmt = 'No launchpad branch could be found for branch "%(url)s".'
 
121
 
 
122
    def __init__(self, branch):
 
123
        errors.BzrError.__init__(self, branch=branch, url=branch.base)
 
124
 
 
125
 
 
126
def login(service, timeout=None, proxy_info=None,
 
127
          version=Launchpad.DEFAULT_VERSION):
105
128
    """Log in to the Launchpad API.
106
129
 
107
130
    :return: The root `Launchpad` object from launchpadlib.
108
131
    """
 
132
    if proxy_info is None:
 
133
        proxy_info = httplib2.proxy_info_from_environment('https')
109
134
    cache_directory = get_cache_directory()
110
135
    launchpad = Launchpad.login_with(
111
136
        'bzr', _get_api_url(service), cache_directory, timeout=timeout,
112
 
        proxy_info=proxy_info)
113
 
    # XXX: Work-around a minor security bug in launchpadlib 1.5.1, which would
114
 
    # create this directory with default umask.
115
 
    os.chmod(cache_directory, 0700)
 
137
        proxy_info=proxy_info, version=version)
 
138
    # XXX: Work-around a minor security bug in launchpadlib < 1.6.3, which
 
139
    # would create this directory with default umask.
 
140
    osutils.chmod_if_possible(cache_directory, 0o700)
116
141
    return launchpad
117
142
 
118
143
 
174
199
        url = bzr_branch.get_push_location()
175
200
        if url is not None:
176
201
            yield url
 
202
        url = bzr_branch.get_parent()
 
203
        if url is not None:
 
204
            yield url
177
205
        yield bzr_branch.base
178
206
 
179
207
    @staticmethod
180
208
    def tweak_url(url, launchpad):
181
209
        """Adjust a URL to work with staging, if needed."""
182
 
        if str(launchpad._root_uri) != STAGING_SERVICE_ROOT:
183
 
            return url
184
 
        if url is None:
185
 
            return None
186
 
        return url.replace('bazaar.launchpad.net',
187
 
                           'bazaar.staging.launchpad.net')
 
210
        if str(launchpad._root_uri) == STAGING_SERVICE_ROOT:
 
211
            return url.replace('bazaar.launchpad.net',
 
212
                               'bazaar.staging.launchpad.net')
 
213
        elif str(launchpad._root_uri) == lookup_service_root('qastaging'):
 
214
            return url.replace('bazaar.launchpad.net',
 
215
                               'bazaar.qastaging.launchpad.net')
 
216
        return url
188
217
 
189
218
    @classmethod
190
 
    def from_bzr(cls, launchpad, bzr_branch):
 
219
    def from_bzr(cls, launchpad, bzr_branch, create_missing=True):
191
220
        """Find a Launchpad branch from a bzr branch."""
192
221
        check_update = True
193
222
        for url in cls.candidate_urls(bzr_branch):
198
227
            if lp_branch is not None:
199
228
                break
200
229
        else:
 
230
            if not create_missing:
 
231
                raise NoLaunchpadBranch(bzr_branch)
201
232
            lp_branch = cls.create_now(launchpad, bzr_branch)
202
233
            check_update = False
203
234
        return cls(lp_branch, bzr_branch.base, bzr_branch, check_update)
207
238
        """Create a Bazaar branch on Launchpad for the supplied branch."""
208
239
        url = cls.tweak_url(bzr_branch.get_push_location(), launchpad)
209
240
        if not cls.plausible_launchpad_url(url):
210
 
            raise errors.BzrError('%s is not registered on Launchpad' %
 
241
            raise errors.BzrError(gettext('%s is not registered on Launchpad') %
211
242
                                  bzr_branch.base)
212
243
        bzr_branch.create_clone_on_transport(transport.get_transport(url))
213
244
        lp_branch = launchpad.branches.getByUrl(url=url)
214
245
        if lp_branch is None:
215
 
            raise errors.BzrError('%s is not registered on Launchpad' % url)
 
246
            raise errors.BzrError(gettext('%s is not registered on Launchpad') %
 
247
                                                                            url)
216
248
        return lp_branch
217
249
 
218
 
    def get_dev_focus(self):
219
 
        """Return the 'LaunchpadBranch' for the dev focus of this one."""
 
250
    def get_target(self):
 
251
        """Return the 'LaunchpadBranch' for the target of this one."""
220
252
        lp_branch = self.lp
221
 
        if lp_branch.project is None:
222
 
            raise errors.BzrError('%s has no product.' %
223
 
                                  lp_branch.bzr_identity)
224
 
        dev_focus = lp_branch.project.development_focus.branch
225
 
        if dev_focus is None:
226
 
            raise errors.BzrError('%s has no development focus.' %
227
 
                                  lp_branch.bzr_identity)
228
 
        return LaunchpadBranch(dev_focus, dev_focus.bzr_identity)
 
253
        if lp_branch.project is not None:
 
254
            dev_focus = lp_branch.project.development_focus
 
255
            if dev_focus is None:
 
256
                raise errors.BzrError(gettext('%s has no development focus.') %
 
257
                                  lp_branch.bzr_identity)
 
258
            target = dev_focus.branch
 
259
            if target is None:
 
260
                raise errors.BzrError(gettext(
 
261
                        'development focus %s has no branch.') % dev_focus)
 
262
        elif lp_branch.sourcepackage is not None:
 
263
            target = lp_branch.sourcepackage.getBranch(pocket="Release")
 
264
            if target is None:
 
265
                raise errors.BzrError(gettext(
 
266
                                      'source package %s has no branch.') %
 
267
                                      lp_branch.sourcepackage)
 
268
        else:
 
269
            raise errors.BzrError(gettext(
 
270
                        '%s has no associated product or source package.') %
 
271
                                  lp_branch.bzr_identity)
 
272
        return LaunchpadBranch(target, target.bzr_identity)
229
273
 
230
274
    def update_lp(self):
231
275
        """Update the Launchpad copy of this branch."""
232
276
        if not self._check_update:
233
277
            return
234
 
        self.bzr.lock_read()
235
 
        try:
 
278
        with self.bzr.lock_read():
236
279
            if self.lp.last_scanned_id is not None:
237
280
                if self.bzr.last_revision() == self.lp.last_scanned_id:
238
 
                    trace.note('%s is already up-to-date.' %
 
281
                    trace.note(gettext('%s is already up-to-date.') %
239
282
                               self.lp.bzr_identity)
240
283
                    return
241
284
                graph = self.bzr.repository.get_graph()
242
285
                if not graph.is_ancestor(self.lp.last_scanned_id,
243
286
                                         self.bzr.last_revision()):
244
287
                    raise errors.DivergedBranches(self.bzr, self.push_bzr)
245
 
                trace.note('Pushing to %s' % self.lp.bzr_identity)
 
288
                trace.note(gettext('Pushing to %s') % self.lp.bzr_identity)
246
289
            self.bzr.push(self.push_bzr)
247
 
        finally:
248
 
            self.bzr.unlock()
249
290
 
250
291
    def find_lca_tree(self, other):
251
292
        """Find the revision tree for the LCA of this branch and other.
259
300
        return self.bzr.repository.revision_tree(lca)
260
301
 
261
302
 
262
 
def load_branch(launchpad, branch):
263
 
    """Return the launchpadlib Branch object corresponding to 'branch'.
264
 
 
265
 
    :param launchpad: The root `Launchpad` object from launchpadlib.
266
 
    :param branch: A `bzrlib.branch.Branch`.
267
 
    :raise NotLaunchpadBranch: If we cannot determine the Launchpad URL of
268
 
        `branch`.
269
 
    :return: A launchpadlib Branch object.
270
 
    """
271
 
    # XXX: This duplicates the "What are possible URLs for the branch that
272
 
    # Launchpad might recognize" logic found in cmd_lp_open.
273
 
 
274
 
    # XXX: This makes multiple roundtrips to Launchpad for what is
275
 
    # conceptually a single operation -- get me the branches that match these
276
 
    # URLs. Unfortunately, Launchpad's support for such operations is poor, so
277
 
    # we have to allow multiple roundtrips.
278
 
    for url in branch.get_public_branch(), branch.get_push_location():
279
 
        lp_branch = launchpad.branches.getByUrl(url=url)
280
 
        if lp_branch:
281
 
            return lp_branch
282
 
    raise NotLaunchpadBranch(url)
 
303
def canonical_url(object):
 
304
    """Return the canonical URL for a branch."""
 
305
    scheme, netloc, path, params, query, fragment = urlparse(
 
306
        str(object.self_link))
 
307
    path = '/'.join(path.split('/')[2:])
 
308
    netloc = netloc.replace('api.', 'code.')
 
309
    return urlunparse((scheme, netloc, path, params, query, fragment))