def _import_extension_module(self, fullname):
""" Loads the binary shared object as a Python module, and
returns it. """
vfile = vfs.getFile(self.filename, False)
# We can only import an extension module if it already exists on
# disk. This means if it's a truly virtual file that has no
# on-disk equivalent, we have to write it to a temporary file
# first.
if hasattr(vfile, 'getMount') and \
isinstance(vfile.getMount(), VirtualFileMountSystem):
# It's a real file.
filename = self.filename
elif self.filename.exists():
# It's a virtual file, but it's shadowing a real file in
# the same directory. Assume they're the same, and load
# the real one.
filename = self.filename
else:
# It's a virtual file with no real-world existence. Dump
# it to disk. TODO: clean up this filename.
filename = Filename.temporary(
'',
self.filename.getBasenameWoExtension(),
'.' + self.filename.getExtension(),
type=Filename.TDso)
filename.setExtension(self.filename.getExtension())
filename.setBinary()
sin = vfile.openReadFile(True)
sout = OFileStream()
if not filename.openWrite(sout):
raise IOError
if not copyStream(sin, sout):
raise IOError
vfile.closeReadFile(sin)
del sout
module = imp.load_module(fullname, None, filename.toOsSpecific(),
self.desc)
module.__file__ = self.filename.toOsSpecific()
return module
def _import_extension_module(self, fullname):
""" Loads the binary shared object as a Python module, and
returns it. """
vfile = vfs.getFile(self.filename, False)
# We can only import an extension module if it already exists on
# disk. This means if it's a truly virtual file that has no
# on-disk equivalent, we have to write it to a temporary file
# first.
if hasattr(vfile, 'getMount') and \
isinstance(vfile.getMount(), VirtualFileMountSystem):
# It's a real file.
filename = self.filename
elif self.filename.exists():
# It's a virtual file, but it's shadowing a real file in
# the same directory. Assume they're the same, and load
# the real one.
filename = self.filename
else:
# It's a virtual file with no real-world existence. Dump
# it to disk. TODO: clean up this filename.
filename = Filename.temporary('', self.filename.getBasenameWoExtension(),
'.' + self.filename.getExtension(),
type = Filename.TDso)
filename.setExtension(self.filename.getExtension())
filename.setBinary()
sin = vfile.openReadFile(True)
sout = OFileStream()
if not filename.openWrite(sout):
raise IOError
if not copyStream(sin, sout):
raise IOError
vfile.closeReadFile(sin)
del sout
module = imp.load_module(fullname, None, filename.toOsSpecific(),
self.desc)
module.__file__ = self.filename.toOsSpecific()
return module