Mercurial Repositories > eric / file comparison
comparison: DebugClients/Python/coverage/backward.py
DebugClients/Python/coverage/backward.py
- changeset 6219
- d6c795b5ce33
- parent 5178
- 878ce843ca9f
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| 6218:bedab77d0fa3 | 6219:d6c795b5ce33 |
|---|---|
| 1 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 | 1 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 |
| 2 # For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt | 2 # For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt |
| 3 | 3 |
| 4 """Add things to old Pythons so I can pretend they are newer.""" | 4 """Add things to old Pythons so I can pretend they are newer.""" |
| 5 | 5 |
| 6 # This file does lots of tricky stuff, so disable a bunch of pylint warnings. | 6 # This file does tricky stuff, so disable a pylint warning. |
| 7 # pylint: disable=redefined-builtin | |
| 8 # pylint: disable=unused-import | 7 # pylint: disable=unused-import |
| 9 # pylint: disable=no-name-in-module | |
| 10 | 8 |
| 11 import sys | 9 import sys |
| 12 | 10 |
| 13 from coverage import env | 11 from coverage import env |
| 14 | 12 |
| 17 try: | 15 try: |
| 18 from cStringIO import StringIO | 16 from cStringIO import StringIO |
| 19 except ImportError: | 17 except ImportError: |
| 20 from io import StringIO | 18 from io import StringIO |
| 21 | 19 |
| 22 # In py3, ConfigParser was renamed to the more-standard configparser | 20 # In py3, ConfigParser was renamed to the more-standard configparser. |
| 21 # But there's a py3 backport that installs "configparser" in py2, and I don't | |
| 22 # want it because it has annoying deprecation warnings. So try the real py2 | |
| 23 # import first. | |
| 23 try: | 24 try: |
| 25 import ConfigParser as configparser | |
| 26 except ImportError: | |
| 24 import configparser | 27 import configparser |
| 25 except ImportError: | |
| 26 import ConfigParser as configparser | |
| 27 | 28 |
| 28 # What's a string called? | 29 # What's a string called? |
| 29 try: | 30 try: |
| 30 string_class = basestring | 31 string_class = basestring |
| 31 except NameError: | 32 except NameError: |
| 43 except ImportError: | 44 except ImportError: |
| 44 import pickle | 45 import pickle |
| 45 | 46 |
| 46 # range or xrange? | 47 # range or xrange? |
| 47 try: | 48 try: |
| 48 range = xrange | 49 range = xrange # pylint: disable=redefined-builtin |
| 49 except NameError: | 50 except NameError: |
| 50 range = range | 51 range = range |
| 51 | 52 |
| 52 # shlex.quote is new, but there's an undocumented implementation in "pipes", | 53 # shlex.quote is new, but there's an undocumented implementation in "pipes", |
| 53 # who knew!? | 54 # who knew!? |
| 56 except ImportError: | 57 except ImportError: |
| 57 # Useful function, available under a different (undocumented) name | 58 # Useful function, available under a different (undocumented) name |
| 58 # in Python versions earlier than 3.3. | 59 # in Python versions earlier than 3.3. |
| 59 from pipes import quote as shlex_quote | 60 from pipes import quote as shlex_quote |
| 60 | 61 |
| 61 # A function to iterate listlessly over a dict's items. | 62 # A function to iterate listlessly over a dict's items, and one to get the |
| 63 # items as a list. | |
| 62 try: | 64 try: |
| 63 {}.iteritems | 65 {}.iteritems |
| 64 except AttributeError: | 66 except AttributeError: |
| 67 # Python 3 | |
| 65 def iitems(d): | 68 def iitems(d): |
| 66 """Produce the items from dict `d`.""" | 69 """Produce the items from dict `d`.""" |
| 67 return d.items() | 70 return d.items() |
| 71 | |
| 72 def litems(d): | |
| 73 """Return a list of items from dict `d`.""" | |
| 74 return list(d.items()) | |
| 68 else: | 75 else: |
| 76 # Python 2 | |
| 69 def iitems(d): | 77 def iitems(d): |
| 70 """Produce the items from dict `d`.""" | 78 """Produce the items from dict `d`.""" |
| 71 return d.iteritems() | 79 return d.iteritems() |
| 80 | |
| 81 def litems(d): | |
| 82 """Return a list of items from dict `d`.""" | |
| 83 return d.items() | |
| 72 | 84 |
| 73 # Getting the `next` function from an iterator is different in 2 and 3. | 85 # Getting the `next` function from an iterator is different in 2 and 3. |
| 74 try: | 86 try: |
| 75 iter([]).next | 87 iter([]).next |
| 76 except AttributeError: | 88 except AttributeError: |
| 141 PYC_MAGIC_NUMBER = importlib.util.MAGIC_NUMBER | 153 PYC_MAGIC_NUMBER = importlib.util.MAGIC_NUMBER |
| 142 except AttributeError: | 154 except AttributeError: |
| 143 PYC_MAGIC_NUMBER = imp.get_magic() | 155 PYC_MAGIC_NUMBER = imp.get_magic() |
| 144 | 156 |
| 145 | 157 |
| 158 def invalidate_import_caches(): | |
| 159 """Invalidate any import caches that may or may not exist.""" | |
| 160 if importlib and hasattr(importlib, "invalidate_caches"): | |
| 161 importlib.invalidate_caches() | |
| 162 | |
| 163 | |
| 146 def import_local_file(modname, modfile=None): | 164 def import_local_file(modname, modfile=None): |
| 147 """Import a local file as a module. | 165 """Import a local file as a module. |
| 148 | 166 |
| 149 Opens a file in the current directory named `modname`.py, imports it | 167 Opens a file in the current directory named `modname`.py, imports it |
| 150 as `modname`, and returns the module object. `modfile` is the file to | 168 as `modname`, and returns the module object. `modfile` is the file to |
