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# Copyright 2010 Canonical Ltd. This software is licensed under the
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# GNU Affero General Public License version 3 (see the file LICENSE).
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from bzrlib.branch import Branch
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from bzrlib.export import export
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from canonical.buildd.pottery import intltool
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class GenerateTranslationTemplates:
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"""Script to generate translation templates from a branch."""
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def __init__(self, branch_spec, result_name, work_dir, log_file=None):
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"""Prepare to generate templates for a branch.
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:param branch_spec: Either a branch URL or the path of a local
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branch. URLs are recognized by the occurrence of ':'. In
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the case of a URL, this will make up a path for the branch
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and check out the branch to there.
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:param result_name: The name of the result tarball. Should end in
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:param work_dir: The directory to work in. Must exist.
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:param log_file: File-like object to log to. If None, defaults to
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self.work_dir = work_dir
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self.branch_spec = branch_spec
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self.result_name = result_name
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self.logger = self._setupLogger(log_file)
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def _setupLogger(self, log_file):
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"""Sets up and returns a logger."""
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logger = logging.getLogger("generate-templates")
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logger.setLevel(logging.DEBUG)
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ch = logging.StreamHandler(log_file)
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ch.setLevel(logging.DEBUG)
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"""Set `self.branch_dir`, and check out branch if needed."""
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if ':' in self.branch_spec:
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# This is a branch URL. Check out the branch.
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self.branch_dir = os.path.join(self.work_dir, 'source-tree')
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self.logger.info("Getting remote branch %s..." % self.branch_spec)
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self._checkout(self.branch_spec)
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# This is a local filesystem path. Use the branch in-place.
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self.logger.info("Using local branch %s..." % self.branch_spec)
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self.branch_dir = self.branch_spec
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def _checkout(self, branch_url):
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"""Check out a source branch to generate from.
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The branch is checked out to the location specified by
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self.logger.info("Opening branch %s..." % branch_url)
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branch = Branch.open(branch_url)
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self.logger.info("Getting branch revision tree...")
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rev_tree = branch.basis_tree()
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self.logger.info("Exporting branch to %s..." % self.branch_dir)
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export(rev_tree, self.branch_dir)
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self.logger.info("Exporting branch done.")
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def _makeTarball(self, files):
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"""Put the given files into a tarball in the working directory."""
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tarname = os.path.join(self.work_dir, self.result_name)
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self.logger.info("Making tarball with templates in %s..." % tarname)
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tarball = tarfile.open(tarname, 'w|gz')
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files = [name for name in files if not name.endswith('/')]
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full_path = os.path.join(self.branch_dir, path)
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self.logger.info("Adding template %s..." % full_path)
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tarball.add(full_path, path)
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self.logger.info("Tarball generated.")
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"""Do It. Generate templates."""
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self.logger.info("Generating templates for %s." % self.branch_spec)
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pots = intltool.generate_pots(self.branch_dir)
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self.logger.info("Generated %d templates." % len(pots))
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self._makeTarball(pots)
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if __name__ == '__main__':
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if len(sys.argv) < 3:
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print "Usage: %s branch resultname [workdir]" % sys.argv[0]
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print " 'branch' is a branch URL or directory."
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print " 'resultname' is the name of the result tarball."
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print " 'workdir' is a directory, defaults to HOME."
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if len(sys.argv) == 4:
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workdir = sys.argv[3]
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workdir = os.environ['HOME']
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script = GenerateTranslationTemplates(
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sys.argv[1], sys.argv[2], workdir)
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sys.exit(script.generate())
added
removed
lib/canonical/buildd/pottery/generate_translation_templates.py
