Mercurial Repositories > eric / file comparison
comparison: DebugClients/Python/coverage/backward.py
DebugClients/Python/coverage/backward.py
- changeset 31
- 744cd0b4b8cd
- parent 0
- de9c2efb9d02
- child 790
- 2c0ea0163ef4
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| 30:9513afbd57f1 | 31:744cd0b4b8cd |
|---|---|
| 1 """Add things to old Pythons so I can pretend they are newer.""" | 1 """Add things to old Pythons so I can pretend they are newer.""" |
| 2 | 2 |
| 3 # pylint: disable-msg=W0622 | 3 # This file does lots of tricky stuff, so disable a bunch of lintisms. |
| 4 # (Redefining built-in blah) | 4 # pylint: disable-msg=F0401,W0611,W0622 |
| 5 # The whole point of this file is to redefine built-ins, so shut up about it. | 5 # F0401: Unable to import blah |
| 6 # W0611: Unused import blah | |
| 7 # W0622: Redefining built-in blah | |
| 6 | 8 |
| 9 import os, sys | |
| 7 | 10 |
| 8 # Python 2.3 doesn't have `set` | 11 # Python 2.3 doesn't have `set` |
| 9 try: | 12 try: |
| 10 set = set # new in 2.4 | 13 set = set # new in 2.4 |
| 11 except NameError: | 14 except NameError: |
| 12 # (Redefining built-in 'set') | |
| 13 from sets import Set as set | 15 from sets import Set as set |
| 14 | 16 |
| 15 | 17 |
| 16 # Python 2.3 doesn't have `sorted`. | 18 # Python 2.3 doesn't have `sorted`. |
| 17 try: | 19 try: |
| 20 def sorted(iterable): | 22 def sorted(iterable): |
| 21 """A 2.3-compatible implementation of `sorted`.""" | 23 """A 2.3-compatible implementation of `sorted`.""" |
| 22 lst = list(iterable) | 24 lst = list(iterable) |
| 23 lst.sort() | 25 lst.sort() |
| 24 return lst | 26 return lst |
| 27 | |
| 28 # Pythons 2 and 3 differ on where to get StringIO | |
| 29 | |
| 30 try: | |
| 31 from cStringIO import StringIO | |
| 32 BytesIO = StringIO | |
| 33 except ImportError: | |
| 34 from io import StringIO, BytesIO | |
| 35 | |
| 36 # What's a string called? | |
| 37 | |
| 38 try: | |
| 39 string_class = basestring | |
| 40 except NameError: | |
| 41 string_class = str | |
| 42 | |
| 43 # Where do pickles come from? | |
| 44 | |
| 45 try: | |
| 46 import cPickle as pickle | |
| 47 except ImportError: | |
| 48 import pickle | |
| 49 | |
| 50 # range or xrange? | |
| 51 | |
| 52 try: | |
| 53 range = xrange | |
| 54 except NameError: | |
| 55 range = range | |
| 56 | |
| 57 # Exec is a statement in Py2, a function in Py3 | |
| 58 | |
| 59 if sys.hexversion > 0x03000000: | |
| 60 def exec_function(source, filename, global_map): | |
| 61 """A wrapper around exec().""" | |
| 62 exec(compile(source, filename, "exec"), global_map) | |
| 63 else: | |
| 64 # OK, this is pretty gross. In Py2, exec was a statement, but that will | |
| 65 # be a syntax error if we try to put it in a Py3 file, even if it is never | |
| 66 # executed. So hide it inside an evaluated string literal instead. | |
| 67 eval(compile("""\ | |
| 68 def exec_function(source, filename, global_map): | |
| 69 exec compile(source, filename, "exec") in global_map | |
| 70 """, | |
| 71 "<exec_function>", "exec" | |
| 72 )) |
