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# This file is part of Buildbot. Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
import time
from xml.dom import minidom
from twisted.python import log
from twisted.internet import defer
from twisted.web import client
from buildbot.changes import base
from buildbot.util import epoch2datetime
class InvalidResultError(Exception):
def __init__(self, value="InvalidResultError"):
self.value = value
def __str__(self):
return repr(self.value)
class EmptyResult(Exception):
pass
class NoMoreCiNodes(Exception):
pass
class NoMoreFileNodes(Exception):
pass
class BonsaiResult:
"""I hold a list of CiNodes"""
def __init__(self, nodes=[]):
self.nodes = nodes
def __cmp__(self, other):
if len(self.nodes) != len(other.nodes):
return False
for i in range(len(self.nodes)):
if self.nodes[i].log != other.nodes[i].log \
or self.nodes[i].who != other.nodes[i].who \
or self.nodes[i].date != other.nodes[i].date \
or len(self.nodes[i].files) != len(other.nodes[i].files):
return -1
for j in range(len(self.nodes[i].files)):
if self.nodes[i].files[j].revision \
!= other.nodes[i].files[j].revision \
or self.nodes[i].files[j].filename \
!= other.nodes[i].files[j].filename:
return -1
return 0
class CiNode:
"""I hold information baout one <ci> node, including a list of files"""
def __init__(self, log="", who="", date=0, files=[]):
self.log = log
self.who = who
self.date = date
self.files = files
class FileNode:
"""I hold information about one <f> node"""
def __init__(self, revision="", filename=""):
self.revision = revision
self.filename = filename
class BonsaiParser:
"""I parse the XML result from a bonsai cvsquery."""
def __init__(self, data):
try:
# this is a fix for non-ascii characters
# because bonsai does not give us an encoding to work with
# it impossible to be 100% sure what to decode it as but latin1 covers
# the broadest base
data = data.decode("latin1")
data = data.encode("ascii", "replace")
self.dom = minidom.parseString(data)
log.msg(data)
except:
raise InvalidResultError("Malformed XML in result")
self.ciNodes = self.dom.getElementsByTagName("ci")
self.currentCiNode = None # filled in by _nextCiNode()
self.fileNodes = None # filled in by _nextCiNode()
self.currentFileNode = None # filled in by _nextFileNode()
self.bonsaiResult = self._parseData()
def getData(self):
return self.bonsaiResult
def _parseData(self):
"""Returns data from a Bonsai cvsquery in a BonsaiResult object"""
nodes = []
try:
while self._nextCiNode():
files = []
try:
while self._nextFileNode():
files.append(FileNode(self._getRevision(),
self._getFilename()))
except NoMoreFileNodes:
pass
except InvalidResultError:
raise
cinode = CiNode(self._getLog(), self._getWho(),
self._getDate(), files)
# hack around bonsai xml output bug for empty check-in comments
if not cinode.log and nodes and \
not nodes[-1].log and \
cinode.who == nodes[-1].who and \
cinode.date == nodes[-1].date:
nodes[-1].files += cinode.files
else:
nodes.append(cinode)
except NoMoreCiNodes:
pass
except (InvalidResultError, EmptyResult):
raise
return BonsaiResult(nodes)
def _nextCiNode(self):
"""Iterates to the next <ci> node and fills self.fileNodes with
child <f> nodes"""
try:
self.currentCiNode = self.ciNodes.pop(0)
if len(self.currentCiNode.getElementsByTagName("files")) > 1:
raise InvalidResultError("Multiple <files> for one <ci>")
self.fileNodes = self.currentCiNode.getElementsByTagName("f")
except IndexError:
# if there was zero <ci> nodes in the result
if not self.currentCiNode:
raise EmptyResult
else:
raise NoMoreCiNodes
return True
def _nextFileNode(self):
"""Iterates to the next <f> node"""
try:
self.currentFileNode = self.fileNodes.pop(0)
except IndexError:
raise NoMoreFileNodes
return True
def _getLog(self):
"""Returns the log of the current <ci> node"""
logs = self.currentCiNode.getElementsByTagName("log")
if len(logs) < 1:
raise InvalidResultError("No log present")
elif len(logs) > 1:
raise InvalidResultError("Multiple logs present")
# catch empty check-in comments
if logs[0].firstChild:
return logs[0].firstChild.data
return ''
def _getWho(self):
"""Returns the e-mail address of the commiter"""
# convert unicode string to regular string
return str(self.currentCiNode.getAttribute("who"))
def _getDate(self):
"""Returns the date (unix time) of the commit"""
# convert unicode number to regular one
try:
commitDate = int(self.currentCiNode.getAttribute("date"))
except ValueError:
raise InvalidResultError
return commitDate
def _getFilename(self):
"""Returns the filename of the current <f> node"""
try:
filename = self.currentFileNode.firstChild.data
except AttributeError:
raise InvalidResultError("Missing filename")
return filename
def _getRevision(self):
return self.currentFileNode.getAttribute("rev")
class BonsaiPoller(base.PollingChangeSource):
compare_attrs = ["bonsaiURL", "pollInterval", "tree",
"module", "branch", "cvsroot"]
def __init__(self, bonsaiURL, module, branch, tree="default",
cvsroot="/cvsroot", pollInterval=30, project=''):
base.PollingChangeSource.__init__(self, name=bonsaiURL, pollInterval=pollInterval)
self.bonsaiURL = bonsaiURL
self.module = module
self.branch = branch
self.tree = tree
self.cvsroot = cvsroot
self.repository = module != 'all' and module or ''
self.lastChange = time.time()
self.lastPoll = time.time()
def describe(self):
str = ""
str += "Getting changes from the Bonsai service running at %s " \
% self.bonsaiURL
str += "<br>Using tree: %s, branch: %s, and module: %s" % (self.tree, \
self.branch, self.module)
return str
def poll(self):
d = self._get_changes()
d.addCallback(self._process_changes)
return d
def _make_url(self):
args = ["treeid=%s" % self.tree, "module=%s" % self.module,
"branch=%s" % self.branch, "branchtype=match",
"sortby=Date", "date=explicit",
"mindate=%d" % self.lastChange,
"maxdate=%d" % int(time.time()),
"cvsroot=%s" % self.cvsroot, "xml=1"]
# build the bonsai URL
url = self.bonsaiURL
url += "/cvsquery.cgi?"
url += "&".join(args)
return url
def _get_changes(self):
url = self._make_url()
log.msg("Polling Bonsai tree at %s" % url)
self.lastPoll = time.time()
# get the page, in XML format
return client.getPage(url, timeout=self.pollInterval)
@defer.inlineCallbacks
def _process_changes(self, query):
try:
bp = BonsaiParser(query)
result = bp.getData()
except InvalidResultError, e:
log.msg("Could not process Bonsai query: " + e.value)
return
except EmptyResult:
return
for cinode in result.nodes:
files = [file.filename + ' (revision '+file.revision+')'
for file in cinode.files]
self.lastChange = self.lastPoll
yield self.master.addChange(author = cinode.who,
files = files,
comments = cinode.log,
when_timestamp = epoch2datetime(cinode.date),
branch = self.branch)
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