def tiddler_put(self, tiddler):
"""
Write a :py:class:`tiddler <tiddlyweb.model.tiddler.Tiddler>`
into the store. We only write if the tiddler's :py:class:`bag
<tiddlyweb.model.bag.Bag>` already exists. Bag creation is a
separate action.
"""
tiddler_base_filename = self._tiddler_base_filename(tiddler)
if not os.path.exists(tiddler_base_filename):
try:
os.mkdir(tiddler_base_filename)
except OSError as exc:
raise NoTiddlerError('unable to put tiddler: %s' % exc)
locked = 0
lock_attempts = 0
while not locked:
try:
lock_attempts = lock_attempts + 1
write_lock(tiddler_base_filename)
locked = 1
except LockError as exc:
if lock_attempts > 4:
raise StoreLockError(exc)
time.sleep(.1)
# Protect against incoming tiddlers that have revision
# set. Since we are putting a new one, we want the system
# to calculate.
tiddler.revision = None
revision = self._tiddler_revision_filename(tiddler) + 1
tiddler_filename = self._tiddler_full_filename(tiddler, revision)
representation = self.serializer.serialization.tiddler_as(tiddler,
omit_empty=True, omit_members=['creator'])
write_utf8_file(tiddler_filename, representation)
write_unlock(tiddler_base_filename)
tiddler.revision = revision
def tiddler_put(self, tiddler):
"""
Write a :py:class:`tiddler <tiddlyweb.model.tiddler.Tiddler>`
into the store. We only write if the tiddler's :py:class:`bag
<tiddlyweb.model.bag.Bag>` already exists. Bag creation is a
separate action.
"""
tiddler_base_filename = self._tiddler_base_filename(tiddler)
if not os.path.exists(tiddler_base_filename):
try:
os.mkdir(tiddler_base_filename)
except OSError as exc:
raise NoTiddlerError('unable to put tiddler: %s' % exc)
locked = 0
lock_attempts = 0
while not locked:
try:
lock_attempts = lock_attempts + 1
write_lock(tiddler_base_filename)
locked = 1
except LockError as exc:
if lock_attempts > 4:
raise StoreLockError(exc)
time.sleep(.1)
# Protect against incoming tiddlers that have revision
# set. Since we are putting a new one, we want the system
# to calculate.
tiddler.revision = None
revision = self._tiddler_revision_filename(tiddler) + 1
tiddler_filename = self._tiddler_full_filename(tiddler, revision)
representation = self.serializer.serialization.tiddler_as(tiddler,
omit_empty=True, omit_members=['creator'])
write_utf8_file(tiddler_filename, representation)
write_unlock(tiddler_base_filename)
tiddler.revision = revision
locked = 1
except LockError, exc:
if lock_attempts > 4:
raise StoreLockError(exc)
time.sleep(.1)
# Protect against incoming tiddlers that have revision
# set. Since we are putting a new one, we want the system
# to calculate.
tiddler.revision = None
revision = self._tiddler_revision_filename(tiddler) + 1
tiddler_filename = self._tiddler_full_filename(tiddler, revision)
self.serializer.object = tiddler
write_utf8_file(tiddler_filename, self.serializer.to_string())
write_unlock(tiddler_base_filename)
tiddler.revision = revision
def user_delete(self, user):
"""
Delete a user from the store.
"""
try:
user_path = self._user_path(user)
if not os.path.exists(user_path):
raise NoUserError('%s not present' % user_path)
os.unlink(user_path)
except NoUserError:
raise
except Exception, exc:
raise IOError('unable to delete %s: %s' % (user.usersign, exc))
locked = 1
except LockError, exc:
if lock_attempts > 4:
raise StoreLockError(exc)
time.sleep(.1)
# Protect against incoming tiddlers that have revision
# set. Since we are putting a new one, we want the system
# to calculate.
tiddler.revision = None
revision = self._tiddler_revision_filename(tiddler) + 1
tiddler_filename = self._tiddler_full_filename(tiddler, revision)
self.serializer.object = tiddler
write_utf8_file(tiddler_filename, self.serializer.to_string())
write_unlock(tiddler_base_filename)
tiddler.revision = revision
def user_delete(self, user):
"""
Delete a user from the store.
"""
try:
user_path = self._user_path(user)
if not os.path.exists(user_path):
raise NoUserError('%s not present' % user_path)
os.unlink(user_path)
except NoUserError:
raise
except Exception, exc:
raise IOError('unable to delete %s: %s' % (user.usersign, exc))
