Home | History | Annotate | Download | only in bot 
      1 # Copyright (c) 2010 Google Inc. All rights reserved.
      2 #
      3 # Redistribution and use in source and binary forms, with or without
      4 # modification, are permitted provided that the following conditions are
      5 # met:
      6 #
      7 #     * Redistributions of source code must retain the above copyright
      8 # notice, this list of conditions and the following disclaimer.
      9 #     * Redistributions in binary form must reproduce the above
     10 # copyright notice, this list of conditions and the following disclaimer
     11 # in the documentation and/or other materials provided with the
     12 # distribution.
     13 #     * Neither the name of Google Inc. nor the names of its
     14 # contributors may be used to endorse or promote products derived from
     15 # this software without specific prior written permission.
     16 #
     17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 
     29 from webkitpy.common.config.committervalidator import CommitterValidator
     30 from webkitpy.common.system.deprecated_logging import log
     31 from webkitpy.tool.grammar import pluralize
     32 
     33 
     34 class AbstractFeeder(object):
     35     def __init__(self, tool):
     36         self._tool = tool
     37 
     38     def feed(self):
     39         raise NotImplementedError("subclasses must implement")
     40 
     41 
     42 class CommitQueueFeeder(AbstractFeeder):
     43     queue_name = "commit-queue"
     44 
     45     def __init__(self, tool):
     46         AbstractFeeder.__init__(self, tool)
     47         self.committer_validator = CommitterValidator(self._tool.bugs)
     48 
     49     def _update_work_items(self, item_ids):
     50         # FIXME: This is the last use of update_work_items, the commit-queue
     51         # should move to feeding patches one at a time like the EWS does.
     52         self._tool.status_server.update_work_items(self.queue_name, item_ids)
     53         log("Feeding %s items %s" % (self.queue_name, item_ids))
     54 
     55     def feed(self):
     56         patches = self._validate_patches()
     57         patches = self._patches_with_acceptable_review_flag(patches)
     58         patches = sorted(patches, self._patch_cmp)
     59         patch_ids = [patch.id() for patch in patches]
     60         self._update_work_items(patch_ids)
     61 
     62     def _patches_for_bug(self, bug_id):
     63         return self._tool.bugs.fetch_bug(bug_id).commit_queued_patches(include_invalid=True)
     64 
     65     # Filters out patches with r? or r-, only r+ or no review are OK to land.
     66     def _patches_with_acceptable_review_flag(self, patches):
     67         return [patch for patch in patches if patch.review() in [None, '+']]
     68 
     69     def _validate_patches(self):
     70         # Not using BugzillaQueries.fetch_patches_from_commit_queue() so we can reject patches with invalid committers/reviewers.
     71         bug_ids = self._tool.bugs.queries.fetch_bug_ids_from_commit_queue()
     72         all_patches = sum([self._patches_for_bug(bug_id) for bug_id in bug_ids], [])
     73         return self.committer_validator.patches_after_rejecting_invalid_commiters_and_reviewers(all_patches)
     74 
     75     def _patch_cmp(self, a, b):
     76         # Sort first by is_rollout, then by attach_date.
     77         # Reversing the order so that is_rollout is first.
     78         rollout_cmp = cmp(b.is_rollout(), a.is_rollout())
     79         if rollout_cmp != 0:
     80             return rollout_cmp
     81         return cmp(a.attach_date(), b.attach_date())
     82 
     83 
     84 class EWSFeeder(AbstractFeeder):
     85     def __init__(self, tool):
     86         self._ids_sent_to_server = set()
     87         AbstractFeeder.__init__(self, tool)
     88 
     89     def feed(self):
     90         ids_needing_review = set(self._tool.bugs.queries.fetch_attachment_ids_from_review_queue())
     91         new_ids = ids_needing_review.difference(self._ids_sent_to_server)
     92         log("Feeding EWS (%s, %s new)" % (pluralize("r? patch", len(ids_needing_review)), len(new_ids)))
     93         for attachment_id in new_ids:  # Order doesn't really matter for the EWS.
     94             self._tool.status_server.submit_to_ews(attachment_id)
     95             self._ids_sent_to_server.add(attachment_id)
     96