importer.py (7801:f71f9634d809) importer.py (9737:cc3b8601f582)
1# Copyright (c) 2008 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

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49 # Because the importer is created and initialized in its own
50 # little sandbox (in init.cc), the globals that were available
51 # when the importer module was loaded and CodeImporter was
52 # defined are not available when load_module is actually
53 # called. Soooo, the imports must live here.
54 import imp
55 import os
56 import sys
1# Copyright (c) 2008 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

--- 40 unchanged lines hidden (view full) ---

49 # Because the importer is created and initialized in its own
50 # little sandbox (in init.cc), the globals that were available
51 # when the importer module was loaded and CodeImporter was
52 # defined are not available when load_module is actually
53 # called. Soooo, the imports must live here.
54 import imp
55 import os
56 import sys
57 mod = imp.new_module(fullname)
58 sys.modules[fullname] = mod
59
60 try:
57
58 try:
59 mod = sys.modules[fullname]
60 except KeyError:
61 mod = imp.new_module(fullname)
62 sys.modules[fullname] = mod
63
64 try:
61 mod.__loader__ = self
62 srcfile,abspath,code = self.modules[fullname]
63
64 override = os.environ.get('M5_OVERRIDE_PY_SOURCE', 'false').lower()
65 if override in ('true', 'yes') and os.path.exists(abspath):
66 src = file(abspath, 'r').read()
67 code = compile(src, abspath, 'exec')
68
69 if os.path.basename(srcfile) == '__init__.py':
70 mod.__path__ = fullname.split('.')
65 mod.__loader__ = self
66 srcfile,abspath,code = self.modules[fullname]
67
68 override = os.environ.get('M5_OVERRIDE_PY_SOURCE', 'false').lower()
69 if override in ('true', 'yes') and os.path.exists(abspath):
70 src = file(abspath, 'r').read()
71 code = compile(src, abspath, 'exec')
72
73 if os.path.basename(srcfile) == '__init__.py':
74 mod.__path__ = fullname.split('.')
75 mod.__package__ = fullname
76 else:
77 mod.__package__ = fullname.rpartition('.')[0]
71 mod.__file__ = srcfile
72
73 exec code in mod.__dict__
74 except Exception:
75 del sys.modules[fullname]
76 raise
77
78 return mod
79
80# Create an importer and add it to the meta_path so future imports can
81# use it. There's currently nothing in the importer, but calls to
82# add_module can be used to add code.
83import sys
84importer = CodeImporter()
85add_module = importer.add_module
86sys.meta_path.append(importer)
78 mod.__file__ = srcfile
79
80 exec code in mod.__dict__
81 except Exception:
82 del sys.modules[fullname]
83 raise
84
85 return mod
86
87# Create an importer and add it to the meta_path so future imports can
88# use it. There's currently nothing in the importer, but calls to
89# add_module can be used to add code.
90import sys
91importer = CodeImporter()
92add_module = importer.add_module
93sys.meta_path.append(importer)