C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # (c) 2005 Ian Bicking and contributors; written for Paste (http://pythonpaste.org) # Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php # (c) 2005 Clark C. Evans # This module is part of the Python Paste Project and is released under # the MIT License: http://www.opensource.org/licenses/mit-license.php """ Middleware related to transactions and database connections. At this time it is very basic; but will eventually sprout all that two-phase commit goodness that I don't need. .. note:: This is experimental, and will change in the future. """ from paste.httpexceptions import HTTPException from wsgilib import catch_errors class TransactionManagerMiddleware(object): def __init__(self, application): self.application = application def __call__(self, environ, start_response): environ['paste.transaction_manager'] = manager = Manager() # This makes sure nothing else traps unexpected exceptions: environ['paste.throw_errors'] = True return catch_errors(self.application, environ, start_response, error_callback=manager.error, ok_callback=manager.finish) class Manager(object): def __init__(self): self.aborted = False self.transactions = [] def abort(self): self.aborted = True def error(self, exc_info): self.aborted = True self.finish() def finish(self): for trans in self.transactions: if self.aborted: trans.rollback() else: trans.commit() class ConnectionFactory(object): """ Provides a callable interface for connecting to ADBAPI databases in a WSGI style (using the environment). More advanced connection factories might use the REMOTE_USER and/or other environment variables to make the connection returned depend upon the request. """ def __init__(self, module, *args, **kwargs): #assert getattr(module,'threadsaftey',0) > 0 self.module = module self.args = args self.kwargs = kwargs # deal with database string quoting issues self.quote = lambda s: "'%s'" % s.replace("'","''") if hasattr(self.module,'PgQuoteString'): self.quote = self.module.PgQuoteString def __call__(self, environ=None): conn = self.module.connect(*self.args, **self.kwargs) conn.__dict__['module'] = self.module conn.__dict__['quote'] = self.quote return conn def BasicTransactionHandler(application, factory