def generate_file_etag(path):
file_info = os.stat(path)
return hex(file_info[6] + file_info[8])
def generate_guid():
"""
Generates a GUID string.
The GUID length is 32 characters. It is used by the
session manager to generate session IDs.
@rtype: str
"""
return hashlib.md5(str(time.time()+time.clock()*1000)).hexdigest()
generateGUID = deprecated(generate_guid)
def generate_oid():
"""
Generates an Object ID string.
The generated ID is 8 characters long.
@rtype: str
"""
return ''.join(random.sample(VALID_ID_CHRS, 8))
generateOID = deprecated(generate_oid)
def get_rto_by_name(name):
"""
This function returns a runtime object by name.
Fetches an object from the database.
If the user has no read permissions on the object
or the item has been deleted then C{None} is returned.
@param oid: The object's ID or the object's full path.
@type oid: str
@param trans: A valid transaction handle.
@rtype: L{GenericItem<porcupine.systemObjects.GenericItem>}
"""
item = _db.get_item(oid, trans)
if item != None and not item._isDeleted and \
permsresolver.get_access(item, currentThread().context.user) != 0:
return item
getItem = deprecated(get_item)
def get_transaction():
"""
Returns a transaction handle required for database updates.
Currently, nested transactions are not supported.
Subsequent calls to C{getTransaction} will return the same handle.
@rtype: L{BaseTransaction<porcupine.db.basetransaction.BaseTransaction>}
"""
txn = currentThread().context.trans
if txn == None:
raise exceptions.InternalServerError, \
"The specified method is not defined as transactional."
return txn
getTransaction = deprecated(get_transaction)
# This file is part of Porcupine. # Porcupine is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. # Porcupine 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 Lesser General Public License for more details. # You should have received a copy of the GNU Lesser General Public License # along with Porcupine; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #=============================================================================== """ Deprecated module. Use "porcupine.utils.permsresolver instead" """ from porcupine.utils import permsresolver from porcupine.core.decorators import deprecated # 1 - read # 2 - update, delete if owner # 4 - update, delete anyway # 8 - full control NO_ACCESS = 0 READER = 1 AUTHOR = 2 CONTENT_CO = 4 COORDINATOR = 8 getAccess = deprecated(permsresolver.get_access)
