Mercurial Repositories > eric / file comparison
comparison: DebugClients/Python3/coverage/execfile.py
DebugClients/Python3/coverage/execfile.py
- changeset 29
- 391dc0bc4ae5
- parent 0
- de9c2efb9d02
- child 3495
- fac17a82b431
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| 28:dde24fc7f7ba | 29:391dc0bc4ae5 |
|---|---|
| 1 """Execute files of Python code.""" | 1 """Execute files of Python code.""" |
| 2 | 2 |
| 3 import imp, os, sys | 3 import imp, os, sys |
| 4 | 4 |
| 5 from .backward import exec_function | |
| 6 from .misc import NoSource | |
| 7 | |
| 8 | |
| 9 try: | |
| 10 # In Py 2.x, the builtins were in __builtin__ | |
| 11 BUILTINS = sys.modules['__builtin__'] | |
| 12 except KeyError: | |
| 13 # In Py 3.x, they're in builtins | |
| 14 BUILTINS = sys.modules['builtins'] | |
| 15 | |
| 16 | |
| 5 def run_python_file(filename, args): | 17 def run_python_file(filename, args): |
| 6 """Run a python file as if it were the main program on the command line. | 18 """Run a python file as if it were the main program on the command line. |
| 7 | 19 |
| 8 `filename` is the path to the file to execute, it need not be a .py file. | 20 `filename` is the path to the file to execute, it need not be a .py file. |
| 9 `args` is the argument array to present as sys.argv, including the first | 21 `args` is the argument array to present as sys.argv, including the first |
| 10 element representing the file being executed. | 22 element representing the file being executed. |
| 11 | 23 |
| 12 """ | 24 """ |
| 13 # Create a module to serve as __main__ | 25 # Create a module to serve as __main__ |
| 14 old_main_mod = sys.modules['__main__'] | 26 old_main_mod = sys.modules['__main__'] |
| 15 main_mod = imp.new_module('__main__') | 27 main_mod = imp.new_module('__main__') |
| 16 sys.modules['__main__'] = main_mod | 28 sys.modules['__main__'] = main_mod |
| 17 main_mod.__file__ = filename | 29 main_mod.__file__ = filename |
| 18 main_mod.__builtins__ = sys.modules['__builtin__'] | 30 main_mod.__builtins__ = BUILTINS |
| 19 | 31 |
| 20 # Set sys.argv and the first path element properly. | 32 # Set sys.argv and the first path element properly. |
| 21 old_argv = sys.argv | 33 old_argv = sys.argv |
| 22 old_path0 = sys.path[0] | 34 old_path0 = sys.path[0] |
| 23 sys.argv = args | 35 sys.argv = args |
| 24 sys.path[0] = os.path.dirname(filename) | 36 sys.path[0] = os.path.dirname(filename) |
| 25 | 37 |
| 26 try: | 38 try: |
| 27 source = open(filename, 'rU').read() | 39 try: |
| 28 exec(compile(source, filename, "exec"), main_mod.__dict__) | 40 source = open(filename, 'rU').read() |
| 41 except IOError: | |
| 42 raise NoSource("No file to run: %r" % filename) | |
| 43 exec_function(source, filename, main_mod.__dict__) | |
| 29 finally: | 44 finally: |
| 30 # Restore the old __main__ | 45 # Restore the old __main__ |
| 31 sys.modules['__main__'] = old_main_mod | 46 sys.modules['__main__'] = old_main_mod |
| 32 | 47 |
| 33 # Restore the old argv and path | 48 # Restore the old argv and path |
| 34 sys.argv = old_argv | 49 sys.argv = old_argv |
| 35 sys.path[0] = old_path0 | 50 sys.path[0] = old_path0 |
