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import subprocess
from tempfile import mkdtemp
from settings import logger
from textwrap import dedent
import re
class Bazaar(object):
def _call(self, args):
try:
subprocess.check_call(['bzr', ] + args)
except subprocess.CalledProcessError:
logger.error('Call for bzr %r failed', args)
exit(1)
def _call_output(self, args):
try:
output = subprocess.check_output(['bzr', ] + args,
stderr=open('/dev/null', 'w'))
return output
except subprocess.CalledProcessError:
logger.error('Call for bzr %r failed', args)
exit(1)
def whoami(self, who):
self._call(['whoami', who, ])
def branch(self, branch, target_dir):
self._call(['branch', branch, target_dir])
def revert(self, target_dir):
self._call(['revert', target_dir])
def merge(self, branch):
self._call(['merge', branch])
def build(self, recipe, target):
self._call(['build', recipe, target])
def revno(self, target):
return int(self._call_output(['revno', target]).strip())
class BzrRecipe:
branch = None
packagingBranch = None
buildDir = None
packageVersion = None
sourceName = None
revision = None
packagingRevision = None
bzr = None
recipe = None
recipe_template = dedent('''\
# bzr-builder format 0.4
{main_branch} {revision}
{nest_part_cmd}
''')
def __init__(self, branch, packagingBranch=None, revision=None):
if branch == packagingBranch:
packagingBranch = None
self.branch = branch
self.packagingBranch = packagingBranch
self.revision = revision
def generateRecipe(self):
self.bzr = Bazaar()
if self.revision:
revision = 'revno:' + str(self.revision)
else:
self.revision = self.bzr.revno(self.branch)
revision = 'revno:' + str(self.revision)
if self.packagingBranch:
nest_part_cmd = ('nest-part ubuntu ' +
self.packagingBranch +
' debian')
self.packagingRevision = self.bzr.revno(self.packagingBranch)
else:
nest_part_cmd = '# No packaging branch'
self.packagingRevision = 0
self.recipe = self.recipe_template.format(main_branch=self.branch,
nest_part_cmd=nest_part_cmd,
revision=revision)
def getTrunkDir(self):
if self.buildDir:
return self.buildDir + '/trunk'
return None
def getBuildDir(self):
return self.buildDir
def buildTree(self):
if self.buildDir:
return self.buildDir
self.generateRecipe()
directory = mkdtemp()
self.buildDir = directory
logger.debug('building bazaar recipe in: ' + directory)
recipe_path = directory + '/trunk.recipe'
with open(recipe_path, 'w') as recipe_file:
recipe_file.write(self.recipe)
self.bzr.build(recipe_path, self.getTrunkDir())
def createTarball(self, tarballName):
self.buildTree()
tarball = self.buildDir + '/' + tarballName
logger.debug('going to create: ' + tarball)
return subprocess.call(["tar", "-czf", tarball, '-C', self.buildDir,
'trunk'])
def getPackagingBranchRevno(self):
self.buildTree()
return self.packagingRevision
def getTrunkRevno(self):
self.buildTree()
return self.revision
def _parseVersion(self, dpkgOutput):
m = re.search('^Version:\s*(.*)$', dpkgOutput,
flags=re.MULTILINE)
if not m:
return None
self.packageVersion = m.group(1)
m = re.match('(.*)-[0-9]ubuntu.*', self.packageVersion)
if m:
self.packageVersion = m.group(1)
logger.debug('PackageVersion parsed: ' + self.packageVersion)
return self.packageVersion
def _parseSourceName(self, dpkgOutput):
m = re.search('^Source:\s*(.*)$', dpkgOutput,
flags=re.MULTILINE)
if not m:
return None
self.sourceName = m.group(1)
logger.debug('SourceName parsed: ' + self.sourceName)
return self.sourceName
def _parseChangelog(self):
if self.sourceName and self.packageVersion:
return True
parsedChangelog = subprocess.check_output('dpkg-parsechangelog',
cwd=self.getTrunkDir())
if not self._parseVersion(parsedChangelog):
logger.debug('PackageVersion not foud')
return False
if not self._parseSourceName(parsedChangelog):
logger.debug('SourceName not found')
return False
return True
def getPackageVersion(self):
self.buildTree()
self._parseChangelog()
return self.packageVersion
def getSourceName(self):
self.buildTree()
self._parseChangelog()
return self.sourceName
def revert(self):
if self.bzr:
self.bzr.revert(self.getTrunkDir())
def cleanup(self):
if self.buildDir:
subprocess.call(['rm', '-rf', self.getBuildDir()])
self.buildDir = None
self.packageVersion = None
self.sourceName = None
self.packagingRevision = None
self.bzr = None
self.recipe = None
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