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# -*- test-case-name: epsilon.test.test_process -*-
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# Copyright (c) 2008 Divmod. See LICENSE for details.
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Process and stdio related functionality.
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from zope.interface import implements
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from twisted.internet import reactor
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from twisted.application.service import IService, Service
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from twisted.internet.stdio import StandardIO
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from epsilon.structlike import record
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def spawnProcess(processProtocol, executable, args=(), env={},
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path=None, uid=None, gid=None, usePTY=0,
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"""Launch a process with a particular Python environment.
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All arguments as to reactor.spawnProcess(), except for the
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addition of an optional packages iterable. This should be
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of strings naming packages the subprocess is to be able to
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p = os.path.split(imp.find_module(pkg)[1])[0]
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if p.startswith(os.path.join(sys.prefix, 'lib')):
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pythonpath = list(set(pythonpath))
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pythonpath.extend(env.get('PYTHONPATH', '').split(os.pathsep))
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env['PYTHONPATH'] = os.pathsep.join(pythonpath)
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return reactor.spawnProcess(processProtocol, executable, args,
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env, path, uid, gid, usePTY)
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def spawnPythonProcess(processProtocol, args=(), env={},
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path=None, uid=None, gid=None, usePTY=0,
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"""Launch a Python process
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All arguments as to spawnProcess(), except the executable
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return spawnProcess(processProtocol, sys.executable,
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args, env, path, uid, gid, usePTY,
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class StandardIOService(record('protocol'), Service):
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Service for connecting a protocol to stdio.
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def startService(self):
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Connect C{self.protocol} to standard io.
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StandardIO(self.protocol)
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Epsilon/epsilon/process.py
