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

  • Committer: Jelmer Vernooij
  • Date: 2020-04-05 19:11:34 UTC
  • mto: (7490.7.16 work)
  • mto: This revision was merged to the branch mainline in revision 7501.
  • Revision ID: jelmer@jelmer.uk-20200405191134-0aebh8ikiwygxma5
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breezy/plugins/launchpad/lp_propose.py
1
 
# Copyright (C) 2010 Canonical Ltd
 
1
# Copyright (C) 2010, 2011 Canonical Ltd
2
2
#
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3
# This program is free software; you can redistribute it and/or modify
4
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# it under the terms of the GNU General Public License as published by
14
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# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
16
 
17
 
 
18
 
import urlparse
19
 
import webbrowser
20
 
 
21
 
from bzrlib import (
 
17
from __future__ import absolute_import
 
18
 
 
19
from ... import (
22
20
    errors,
23
21
    hooks,
 
22
    )
 
23
from ...lazy_import import lazy_import
 
24
lazy_import(globals(), """
 
25
import webbrowser
 
26
 
 
27
from breezy import (
24
28
    msgeditor,
25
 
)
26
 
from bzrlib.plugins.launchpad import (
 
29
    )
 
30
from breezy.i18n import gettext
 
31
from breezy.plugins.launchpad import (
27
32
    lp_api,
28
 
    lp_registration,
29
 
)
30
 
 
31
 
from lazr.restfulclient import errors as restful_errors
 
33
    )
 
34
""")
32
35
 
33
36
 
34
37
class ProposeMergeHooks(hooks.Hooks):
35
38
    """Hooks for proposing a merge on Launchpad."""
36
39
 
37
40
    def __init__(self):
38
 
        hooks.Hooks.__init__(self)
39
 
        self.create_hook(
40
 
            hooks.HookPoint(
41
 
                'get_prerequisite',
42
 
                "Return the prerequisite branch for proposing as merge.",
43
 
                (2, 1), None),
44
 
        )
45
 
        self.create_hook(
46
 
            hooks.HookPoint(
47
 
                'merge_proposal_body',
48
 
                "Return an initial body for the merge proposal message.",
49
 
                (2, 1), None),
50
 
        )
 
41
        hooks.Hooks.__init__(self, "breezy.plugins.launchpad.lp_propose",
 
42
                             "Proposer.hooks")
 
43
        self.add_hook('get_prerequisite',
 
44
                      "Return the prerequisite branch for proposing as merge.", (2, 1))
 
45
        self.add_hook('merge_proposal_body',
 
46
                      "Return an initial body for the merge proposal message.", (2, 1))
51
47
 
52
48
 
53
49
class Proposer(object):
55
51
    hooks = ProposeMergeHooks()
56
52
 
57
53
    def __init__(self, tree, source_branch, target_branch, message, reviews,
58
 
                 staging=False):
 
54
                 staging=False, approve=False, fixes=None):
59
55
        """Constructor.
60
56
 
61
57
        :param tree: The working tree for the source branch.
65
61
        :param reviews: A list of tuples of reviewer, review type.
66
62
        :param staging: If True, propose the merge against staging instead of
67
63
            production.
 
64
        :param approve: If True, mark the new proposal as approved immediately.
 
65
            This is useful when a project permits some things to be approved
 
66
            by the submitter (e.g. merges between release and deployment
 
67
            branches).
68
68
        """
69
69
        self.tree = tree
70
70
        if staging:
71
 
            lp_instance = 'staging'
 
71
            lp_base_url = lp_api.uris.STAGING_SERVICE_ROOT
72
72
        else:
73
 
            lp_instance = 'edge'
74
 
        service = lp_registration.LaunchpadService(lp_instance=lp_instance)
75
 
        self.launchpad = lp_api.login(service)
 
73
            lp_base_url = lp_api.uris.LPNET_SERVICE_ROOT
 
74
        self.launchpad = lp_api.connect_launchpad(lp_base_url)
76
75
        self.source_branch = lp_api.LaunchpadBranch.from_bzr(
77
76
            self.launchpad, source_branch)
78
77
        if target_branch is None:
79
 
            self.target_branch = self.source_branch.get_dev_focus()
 
78
            self.target_branch = self.source_branch.get_target()
80
79
        else:
81
80
            self.target_branch = lp_api.LaunchpadBranch.from_bzr(
82
81
                self.launchpad, target_branch)
83
82
        self.commit_message = message
 
83
        # XXX: this is where bug lp:583638 could be tackled.
84
84
        if reviews == []:
85
 
            target_reviewer = self.target_branch.lp.reviewer
86
 
            if target_reviewer is None:
87
 
                raise errors.BzrCommandError('No reviewer specified')
88
 
            self.reviews = [(target_reviewer, '')]
 
85
            self.reviews = []
89
86
        else:
90
87
            self.reviews = [(self.launchpad.people[reviewer], review_type)
91
88
                            for reviewer, review_type in
92
89
                            reviews]
 
90
        self.approve = approve
 
91
        self.fixes = fixes
93
92
 
94
93
    def get_comment(self, prerequisite_branch):
95
94
        """Determine the initial comment for the merge proposal."""
 
95
        if self.commit_message is not None:
 
96
            return self.commit_message.strip().encode('utf-8')
96
97
        info = ["Source: %s\n" % self.source_branch.lp.bzr_identity]
97
98
        info.append("Target: %s\n" % self.target_branch.lp.bzr_identity)
98
99
        if prerequisite_branch is not None:
100
101
        for rdata in self.reviews:
101
102
            uniquename = "%s (%s)" % (rdata[0].display_name, rdata[0].name)
102
103
            info.append('Reviewer: %s, type "%s"\n' % (uniquename, rdata[1]))
103
 
        self.source_branch.bzr.lock_read()
104
 
        try:
105
 
            self.target_branch.bzr.lock_read()
106
 
            try:
107
 
                body = self.get_initial_body()
108
 
            finally:
109
 
                self.target_branch.bzr.unlock()
110
 
        finally:
111
 
            self.source_branch.bzr.unlock()
 
104
        with self.source_branch.bzr.lock_read(), \
 
105
                self.target_branch.bzr.lock_read():
 
106
            body = self.get_initial_body()
112
107
        initial_comment = msgeditor.edit_commit_message(''.join(info),
113
108
                                                        start_message=body)
114
109
        return initial_comment.strip().encode('utf-8')
125
120
            files = modified_files(lca_tree, source_tree)
126
121
            return list(files)
127
122
        target_loc = ('bzr+ssh://bazaar.launchpad.net/%s' %
128
 
                       self.target_branch.lp.unique_name)
 
123
                      self.target_branch.lp.unique_name)
129
124
        body = None
130
125
        for hook in self.hooks['merge_proposal_body']:
131
126
            body = hook({
136
131
            })
137
132
        return body
138
133
 
 
134
    def get_source_revid(self):
 
135
        """Get the revision ID of the source branch."""
 
136
        source_branch = self.source_branch.bzr
 
137
        with source_branch.lock_read():
 
138
            return source_branch.last_revision()
 
139
 
139
140
    def check_proposal(self):
140
141
        """Check that the submission is sensible."""
141
142
        if self.source_branch.lp.self_link == self.target_branch.lp.self_link:
145
146
            if mp.queue_status in ('Merged', 'Rejected'):
146
147
                continue
147
148
            if mp.target_branch.self_link == self.target_branch.lp.self_link:
148
 
                raise errors.BzrCommandError(
149
 
                    'There is already a branch merge proposal: %s' %
150
 
                    canonical_url(mp))
 
149
                raise errors.BzrCommandError(gettext(
 
150
                    'There is already a branch merge proposal: %s') %
 
151
                    lp_api.canonical_url(mp))
151
152
 
152
153
    def _get_prerequisite_branch(self):
153
154
        hooks = self.hooks['get_prerequisite']
160
161
                 'prerequisite_branch': prerequisite_branch})
161
162
        return prerequisite_branch
162
163
 
 
164
    def call_webservice(self, call, *args, **kwargs):
 
165
        """Make a call to the webservice, wrapping failures.
 
166
 
 
167
        :param call: The call to make.
 
168
        :param *args: *args for the call.
 
169
        :param **kwargs: **kwargs for the call.
 
170
        :return: The result of calling call(*args, *kwargs).
 
171
        """
 
172
        from lazr.restfulclient import errors as restful_errors
 
173
        try:
 
174
            return call(*args, **kwargs)
 
175
        except restful_errors.HTTPError as e:
 
176
            error_lines = []
 
177
            for line in e.content.splitlines():
 
178
                if line.startswith('Traceback (most recent call last):'):
 
179
                    break
 
180
                error_lines.append(line)
 
181
            raise Exception(''.join(error_lines))
 
182
 
 
183
    def approve_proposal(self, mp):
 
184
        revid = self.get_source_revid()
 
185
        self.call_webservice(
 
186
            mp.createComment,
 
187
            vote=u'Approve',
 
188
            subject='',  # Use the default subject.
 
189
            content=u"Rubberstamp! Proposer approves of own proposal.")
 
190
        self.call_webservice(mp.setStatus, status=u'Approved', revid=revid)
 
191
 
163
192
    def create_proposal(self):
164
193
        """Perform the submission."""
165
194
        prerequisite_branch = self._get_prerequisite_branch()
175
204
            review_types.append(review_type)
176
205
            reviewers.append(reviewer.self_link)
177
206
        initial_comment = self.get_comment(prerequisite_branch)
178
 
        try:
179
 
            mp = self.source_branch.lp.createMergeProposal(
180
 
                target_branch=self.target_branch.lp,
181
 
                prerequisite_branch=prereq,
182
 
                initial_comment=initial_comment,
183
 
                commit_message=self.commit_message, reviewers=reviewers,
184
 
                review_types=review_types)
185
 
        except restful_errors.HTTPError, e:
186
 
            error_lines = []
187
 
            for line in e.content.splitlines():
188
 
                if line.startswith('Traceback (most recent call last):'):
189
 
                    break
190
 
                error_lines.append(line)
191
 
            raise Exception(''.join(error_lines))
192
 
        else:
193
 
            webbrowser.open(canonical_url(mp))
 
207
        mp = self.call_webservice(
 
208
            self.source_branch.lp.createMergeProposal,
 
209
            target_branch=self.target_branch.lp,
 
210
            prerequisite_branch=prereq,
 
211
            initial_comment=initial_comment,
 
212
            commit_message=self.commit_message, reviewers=reviewers,
 
213
            review_types=review_types)
 
214
        if self.approve:
 
215
            self.approve_proposal(mp)
 
216
        if self.fixes:
 
217
            if self.fixes.startswith('lp:'):
 
218
                self.fixes = self.fixes[3:]
 
219
            self.call_webservice(
 
220
                self.source_branch.lp.linkBug,
 
221
                bug=self.launchpad.bugs[int(self.fixes)])
 
222
        webbrowser.open(lp_api.canonical_url(mp))
194
223
 
195
224
 
196
225
def modified_files(old_tree, new_tree):
197
226
    """Return a list of paths in the new tree with modified contents."""
198
 
    for f, (op, path), c, v, p, n, (ok, k), e in new_tree.iter_changes(
199
 
        old_tree):
200
 
        if c and k == 'file':
 
227
    for change in new_tree.iter_changes(old_tree):
 
228
        if change.changed_content and change.kind[1] == 'file':
201
229
            yield str(path)
202
 
 
203
 
 
204
 
def canonical_url(object):
205
 
    """Return the canonical URL for a branch."""
206
 
    scheme, netloc, path, params, query, fragment = urlparse.urlparse(
207
 
        str(object.self_link))
208
 
    path = '/'.join(path.split('/')[2:])
209
 
    netloc = netloc.replace('api.', 'code.')
210
 
    return urlparse.urlunparse((scheme, netloc, path, params, query,
211
 
                                fragment))