def _createBranch(self, registrant, branch_path):
"""The guts of the create branch method.
Raises exceptions on error conditions.
"""
to_link = None
if branch_path.startswith(BRANCH_ALIAS_PREFIX + '/'):
branch_path = branch_path[len(BRANCH_ALIAS_PREFIX) + 1:]
if branch_path.startswith('~'):
data, branch_name = self._parseUniqueName(branch_path)
else:
tokens = branch_path.split('/')
data = {
'person': registrant.name,
'product': tokens[0],
}
branch_name = 'trunk'
# check the series
product = self._product_set.getByName(data['product'])
if product is not None:
if len(tokens) > 1:
series = product.getSeries(tokens[1])
if series is None:
raise faults.NotFound(
"No such product series: '%s'." % tokens[1])
else:
to_link = ICanHasLinkedBranch(series)
else:
to_link = ICanHasLinkedBranch(product)
# don't forget the link.
else:
data, branch_name = self._parseUniqueName(branch_path)
owner = self._person_set.getByName(data['person'])
if owner is None:
raise faults.NotFound(
"User/team '%s' does not exist." % (data['person'],))
# The real code consults the branch creation policy of the product. We
# don't need to do so here, since the tests above this layer never
# encounter that behaviour. If they *do* change to rely on the branch
# creation policy, the observed behaviour will be failure to raise
# exceptions.
if not registrant.inTeam(owner):
raise faults.PermissionDenied(
('%s cannot create branches owned by %s'
% (registrant.displayname, owner.displayname)))
product = sourcepackage = None
if data['product'] == '+junk':
product = None
elif data['product'] is not None:
if not valid_name(data['product']):
raise faults.InvalidProductName(escape(data['product']))
product = self._product_set.getByName(data['product'])
if product is None:
raise faults.NotFound(
"Project '%s' does not exist." % (data['product'],))
elif data['distribution'] is not None:
distro = self._distribution_set.getByName(data['distribution'])
if distro is None:
raise faults.NotFound(
"No such distribution: '%s'." % (data['distribution'],))
distroseries = self._distroseries_set.getByName(
data['distroseries'])
if distroseries is None:
raise faults.NotFound(
"No such distribution series: '%s'."
% (data['distroseries'],))
sourcepackagename = self._sourcepackagename_set.getByName(
data['sourcepackagename'])
if sourcepackagename is None:
try:
sourcepackagename = self._sourcepackagename_set.new(
data['sourcepackagename'])
except InvalidName:
raise faults.InvalidSourcePackageName(
data['sourcepackagename'])
sourcepackage = self._factory.makeSourcePackage(
distroseries, sourcepackagename)
else:
raise faults.PermissionDenied(
"Cannot create branch at '%s'" % branch_path)
branch = self._factory.makeBranch(
owner=owner, name=branch_name, product=product,
sourcepackage=sourcepackage, registrant=registrant,
branch_type=BranchType.HOSTED)
if to_link is not None:
if registrant.inTeam(to_link.product.owner):
to_link.branch = branch
else:
self._branch_set._delete(branch)
raise faults.PermissionDenied(
"Cannot create linked branch at '%s'." % branch_path)
return branch.id
