1 files changed, 133 insertions, 0 deletions
diff --git a/WebKitTools/Scripts/webkitpy/buildbot.py b/WebKitTools/Scripts/webkitpy/buildbot.py
new file mode 100644
index 0000000..38828fd
--- /dev/null
+++ b/WebKitTools/Scripts/webkitpy/buildbot.py
@@ -0,0 +1,133 @@
+# Copyright (c) 2009, 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.
+#
+# WebKit's Python module for interacting with WebKit's buildbot
+
+import re
+import urllib2
+
+# Import WebKit-specific modules.
+from webkitpy.webkit_logging import log
+
+# WebKit includes a built copy of BeautifulSoup in Scripts/webkitpy
+# so this import should always succeed.
+from .BeautifulSoup import BeautifulSoup
+
+
+class BuildBot:
+
+    default_host = "build.webkit.org"
+
+    def __init__(self, host=default_host):
+        self.buildbot_host = host
+        self.buildbot_server_url = "http://%s/" % self.buildbot_host
+
+        # If any Leopard builder/tester, Windows builder or Chromium builder is
+        # red we should not be landing patches.  Other builders should be added
+        # to this list once they are known to be reliable.
+        # See https://bugs.webkit.org/show_bug.cgi?id=33296 and related bugs.
+        self.core_builder_names_regexps = [
+            "Leopard",
+            "Windows.*Build",
+            "Chromium",
+        ]
+
+    def _parse_builder_status_from_row(self, status_row):
+        # If WebKit's buildbot has an XMLRPC interface we could use, we could
+        # do something more sophisticated here.  For now we just parse out the
+        # basics, enough to support basic questions like "is the tree green?"
+        status_cells = status_row.findAll('td')
+        builder = {}
+
+        name_link = status_cells[0].find('a')
+        builder['name'] = name_link.string
+        # We could generate the builder_url from the name in a future version
+        # of this code.
+        builder['builder_url'] = self.buildbot_server_url + name_link['href']
+
+        status_link = status_cells[1].find('a')
+        if not status_link:
+            # We failed to find a link in the first cell, just give up.  This
+            # can happen if a builder is just-added, the first cell will just
+            # be "no build"
+            # Other parts of the code depend on is_green being present.
+            builder['is_green'] = False
+            return builder
+        # Will be either a revision number or a build number
+        revision_string = status_link.string
+        # If revision_string has non-digits assume it's not a revision number.
+        builder['built_revision'] = int(revision_string) \
+                                    if not re.match('\D', revision_string) \
+                                    else None
+        builder['is_green'] = not re.search('fail',
+                                            status_cells[1].renderContents())
+        # We could parse out the build number instead, but for now just store
+        # the URL.
+        builder['build_url'] = self.buildbot_server_url + status_link['href']
+
+        # We could parse out the current activity too.
+
+        return builder
+
+    def _builder_statuses_with_names_matching_regexps(self,
+                                                      builder_statuses,
+                                                      name_regexps):
+        builders = []
+        for builder in builder_statuses:
+            for name_regexp in name_regexps:
+                if re.match(name_regexp, builder['name']):
+                    builders.append(builder)
+        return builders
+
+    def red_core_builders(self):
+        red_builders = []
+        for builder in self._builder_statuses_with_names_matching_regexps(
+                               self.builder_statuses(),
+                               self.core_builder_names_regexps):
+            if not builder['is_green']:
+                red_builders.append(builder)
+        return red_builders
+
+    def red_core_builders_names(self):
+        red_builders = self.red_core_builders()
+        return map(lambda builder: builder['name'], red_builders)
+
+    def core_builders_are_green(self):
+        return not self.red_core_builders()
+
+    def builder_statuses(self):
+        build_status_url = self.buildbot_server_url + 'one_box_per_builder'
+        page = urllib2.urlopen(build_status_url)
+        soup = BeautifulSoup(page)
+
+        builders = []
+        status_table = soup.find('table')
+        for status_row in status_table.findAll('tr'):
+            builder = self._parse_builder_status_from_row(status_row)
+            builders.append(builder)
+        return builders