Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 270 insertions, 0 deletions

diff --git a/Tools/Scripts/webkitpy/tool/bot/irc_command.py b/Tools/Scripts/webkitpy/tool/bot/irc_command.py
new file mode 100644
index 000000000..fb2f42fd1
--- /dev/null
+++ b/Tools/Scripts/webkitpy/tool/bot/irc_command.py
@@ -0,0 +1,270 @@
+# Copyright (c) 2010 Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import itertools
+import random
+import re
+
+from webkitpy.common.config import irc as config_irc
+from webkitpy.common.config import urls
+from webkitpy.common.config.committers import CommitterList
+from webkitpy.common.checkout.changelog import parse_bug_id
+from webkitpy.common.system.executive import ScriptError
+from webkitpy.tool.bot.queueengine import TerminateQueue
+from webkitpy.tool.grammar import join_with_separators
+
+
+def _post_error_and_check_for_bug_url(tool, nicks_string, exception):
+    tool.irc().post("%s" % exception)
+    bug_id = parse_bug_id(exception.output)
+    if bug_id:
+        bug_url = tool.bugs.bug_url_for_bug_id(bug_id)
+        tool.irc().post("%s: Ugg...  Might have created %s" % (nicks_string, bug_url))
+
+
+# FIXME: Merge with Command?
+class IRCCommand(object):
+    def execute(self, nick, args, tool, sheriff):
+        raise NotImplementedError, "subclasses must implement"
+
+
+class LastGreenRevision(IRCCommand):
+    def execute(self, nick, args, tool, sheriff):
+        return "%s: %s" % (nick,
+            urls.view_revision_url(tool.buildbot.last_green_revision()))
+
+
+class Restart(IRCCommand):
+    def execute(self, nick, args, tool, sheriff):
+        tool.irc().post("Restarting...")
+        raise TerminateQueue()
+
+
+class Rollout(IRCCommand):
+    def _extract_revisions(self, arg):
+
+        revision_list = []
+        possible_revisions = arg.split(",")
+        for revision in possible_revisions:
+            revision = revision.strip()
+            if not revision:
+                continue
+            revision = revision.lstrip("r")
+            # If one part of the arg isn't in the correct format,
+            # then none of the arg should be considered a revision.
+            if not revision.isdigit():
+                return None
+            revision_list.append(int(revision))
+        return revision_list
+
+    def _parse_args(self, args):
+        if not args:
+            return (None, None)
+
+        svn_revision_list = []
+        remaining_args = args[:]
+        # First process all revisions.
+        while remaining_args:
+            new_revisions = self._extract_revisions(remaining_args[0])
+            if not new_revisions:
+                break
+            svn_revision_list += new_revisions
+            remaining_args = remaining_args[1:]
+
+        # Was there a revision number?
+        if not len(svn_revision_list):
+            return (None, None)
+
+        # Everything left is the reason.
+        rollout_reason = " ".join(remaining_args)
+        return svn_revision_list, rollout_reason
+
+    def _responsible_nicknames_from_revisions(self, tool, sheriff, svn_revision_list):
+        commit_infos = map(tool.checkout().commit_info_for_revision, svn_revision_list)
+        nickname_lists = map(sheriff.responsible_nicknames_from_commit_info, commit_infos)
+        return sorted(set(itertools.chain(*nickname_lists)))
+
+    def _nicks_string(self, tool, sheriff, requester_nick, svn_revision_list):
+        # FIXME: _parse_args guarentees that our svn_revision_list is all numbers.
+        # However, it's possible our checkout will not include one of the revisions,
+        # so we may need to catch exceptions from commit_info_for_revision here.
+        target_nicks = [requester_nick] + self._responsible_nicknames_from_revisions(tool, sheriff, svn_revision_list)
+        return ", ".join(target_nicks)
+
+    def _update_working_copy(self, tool):
+        tool.scm().ensure_clean_working_directory(force_clean=True)
+        tool.executive.run_and_throw_if_fail(tool.port().update_webkit_command(), quiet=True, cwd=tool.scm().checkout_root)
+
+    def execute(self, nick, args, tool, sheriff):
+        svn_revision_list, rollout_reason = self._parse_args(args)
+
+        if (not svn_revision_list or not rollout_reason):
+            # return is equivalent to an irc().post(), but makes for easier unit testing.
+            return "%s: Usage: rollout SVN_REVISION [SVN_REVISIONS] REASON" % nick
+
+        revision_urls_string = join_with_separators([urls.view_revision_url(revision) for revision in svn_revision_list])
+        tool.irc().post("%s: Preparing rollout for %s..." % (nick, revision_urls_string))
+
+        self._update_working_copy(tool)
+
+        # FIXME: IRCCommand should bind to a tool and have a self._tool like Command objects do.
+        # Likewise we should probably have a self._sheriff.
+        nicks_string = self._nicks_string(tool, sheriff, nick, svn_revision_list)
+
+        try:
+            complete_reason = "%s (Requested by %s on %s)." % (
+                rollout_reason, nick, config_irc.channel)
+            bug_id = sheriff.post_rollout_patch(svn_revision_list, complete_reason)
+            bug_url = tool.bugs.bug_url_for_bug_id(bug_id)
+            tool.irc().post("%s: Created rollout: %s" % (nicks_string, bug_url))
+        except ScriptError, e:
+            tool.irc().post("%s: Failed to create rollout patch:" % nicks_string)
+            _post_error_and_check_for_bug_url(tool, nicks_string, e)
+
+
+class RollChromiumDEPS(IRCCommand):
+    def _parse_args(self, args):
+        if not args:
+            return
+        revision = args[0].lstrip("r")
+        if not revision.isdigit():
+            return
+        return revision
+
+    def execute(self, nick, args, tool, sheriff):
+        revision = self._parse_args(args)
+
+        roll_target = "r%s" % revision if revision else "last-known good revision"
+        tool.irc().post("%s: Rolling Chromium DEPS to %s" % (nick, roll_target))
+
+        try:
+            bug_id = sheriff.post_chromium_deps_roll(revision, roll_target)
+            bug_url = tool.bugs.bug_url_for_bug_id(bug_id)
+            tool.irc().post("%s: Created DEPS roll: %s" % (nick, bug_url))
+        except ScriptError, e:
+            match = re.search(r"Current Chromium DEPS revision \d+ is newer than \d+\.", e.output)
+            if match:
+                tool.irc().post("%s: %s" % (nick, match.group(0)))
+                return
+            tool.irc().post("%s: Failed to create DEPS roll:" % nick)
+            _post_error_and_check_for_bug_url(tool, nick, e)
+
+
+class Help(IRCCommand):
+    def execute(self, nick, args, tool, sheriff):
+        return "%s: Available commands: %s" % (nick, ", ".join(sorted(visible_commands.keys())))
+
+
+class Hi(IRCCommand):
+    def execute(self, nick, args, tool, sheriff):
+        quips = tool.bugs.quips()
+        quips.append('"Only you can prevent forest fires." -- Smokey the Bear')
+        return random.choice(quips)
+
+
+class Whois(IRCCommand):
+    def _nick_or_full_record(self, contributor):
+        if contributor.irc_nicknames:
+            return ', '.join(contributor.irc_nicknames)
+        return unicode(contributor)
+
+    def execute(self, nick, args, tool, sheriff):
+        if len(args) != 1:
+            return "%s: Usage: whois SEARCH_STRING" % nick
+        search_string = args[0]
+        # FIXME: We should get the ContributorList off the tool somewhere.
+        contributors = CommitterList().contributors_by_search_string(search_string)
+        if not contributors:
+            return "%s: Sorry, I don't know any contributors matching '%s'." % (nick, search_string)
+        if len(contributors) > 5:
+            return "%s: More than 5 contributors match '%s', could you be more specific?" % (nick, search_string)
+        if len(contributors) == 1:
+            contributor = contributors[0]
+            if not contributor.irc_nicknames:
+                return "%s: %s hasn't told me their nick. Boo hoo :-(" % (nick, contributor)
+            if contributor.emails and search_string.lower() not in map(lambda email: email.lower(), contributor.emails):
+                formattedEmails = ', '.join(contributor.emails)
+                return "%s: %s is %s (%s). Why do you ask?" % (nick, search_string, self._nick_or_full_record(contributor), formattedEmails)
+            else:
+                return "%s: %s is %s. Why do you ask?" % (nick, search_string, self._nick_or_full_record(contributor))
+        contributor_nicks = map(self._nick_or_full_record, contributors)
+        contributors_string = join_with_separators(contributor_nicks, only_two_separator=" or ", last_separator=', or ')
+        return "%s: I'm not sure who you mean?  %s could be '%s'." % (nick, contributors_string, search_string)
+
+
+class Eliza(IRCCommand):
+    therapist = None
+
+    def __init__(self):
+        if not self.therapist:
+            import webkitpy.thirdparty.autoinstalled.eliza as eliza
+            Eliza.therapist = eliza.eliza()
+
+    def execute(self, nick, args, tool, sheriff):
+        return "%s: %s" % (nick, self.therapist.respond(" ".join(args)))
+
+
+class CreateBug(IRCCommand):
+    def execute(self, nick, args, tool, sheriff):
+        if not args:
+            return "%s: Usage: create-bug BUG_TITLE" % nick
+
+        bug_title = " ".join(args)
+        bug_description = "%s\nRequested by %s on %s." % (bug_title, nick, config_irc.channel)
+
+        # There happens to be a committers list hung off of Bugzilla, so
+        # re-using that one makes things easiest for now.
+        requester = tool.bugs.committers.contributor_by_irc_nickname(nick)
+        requester_email = requester.bugzilla_email() if requester else None
+
+        try:
+            bug_id = tool.bugs.create_bug(bug_title, bug_description, cc=requester_email, assignee=requester_email)
+            bug_url = tool.bugs.bug_url_for_bug_id(bug_id)
+            return "%s: Created bug: %s" % (nick, bug_url)
+        except Exception, e:
+            return "%s: Failed to create bug:\n%s" % (nick, e)
+
+
+# FIXME: Lame.  We should have an auto-registering CommandCenter.
+visible_commands = {
+    "help": Help,
+    "hi": Hi,
+    "last-green-revision": LastGreenRevision,
+    "restart": Restart,
+    "rollout": Rollout,
+    "whois": Whois,
+    "create-bug": CreateBug,
+    "roll-chromium-deps": RollChromiumDEPS,
+}
+
+# Add revert as an "easter egg" command. Why?
+# revert is the same as rollout and it would be confusing to list both when
+# they do the same thing. However, this command is a very natural thing for
+# people to use and it seems silly to have them hunt around for "rollout" instead.
+commands = visible_commands.copy()
+commands["revert"] = Rollout