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| author | yum <yum.food.vr@gmail.com> | 2023-01-23 14:28:53 -0800 |
|---|---|---|
| committer | yum <yum.food.vr@gmail.com> | 2023-01-23 14:32:09 -0800 |
| commit | 9fff496394dcd94c4084694ca96a5e07ab836274 (patch) | |
| tree | d89b78e16ecb6011bdd74555da79f7a8c1d90752 /FOSS/Python/Dependencies/future-0.18.2/src/future/builtins/newsuper.py | |
| parent | 9329d64f991b8b3289af22e4c2eedb09a97c5640 (diff) | |
package.ps1 now fetches all dependencies
Don't literally check in Python since it looks dodgy (rightfully so).
Instead the build script just fetches it.
* Update README, simplifying language and documenting other projects
Diffstat (limited to 'FOSS/Python/Dependencies/future-0.18.2/src/future/builtins/newsuper.py')
| -rw-r--r-- | FOSS/Python/Dependencies/future-0.18.2/src/future/builtins/newsuper.py | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/FOSS/Python/Dependencies/future-0.18.2/src/future/builtins/newsuper.py b/FOSS/Python/Dependencies/future-0.18.2/src/future/builtins/newsuper.py deleted file mode 100644 index 5d3402b..0000000 --- a/FOSS/Python/Dependencies/future-0.18.2/src/future/builtins/newsuper.py +++ /dev/null @@ -1,114 +0,0 @@ -''' -This module provides a newsuper() function in Python 2 that mimics the -behaviour of super() in Python 3. It is designed to be used as follows: - - from __future__ import division, absolute_import, print_function - from future.builtins import super - -And then, for example: - - class VerboseList(list): - def append(self, item): - print('Adding an item') - super().append(item) # new simpler super() function - -Importing this module on Python 3 has no effect. - -This is based on (i.e. almost identical to) Ryan Kelly's magicsuper -module here: - - https://github.com/rfk/magicsuper.git - -Excerpts from Ryan's docstring: - - "Of course, you can still explicitly pass in the arguments if you want - to do something strange. Sometimes you really do want that, e.g. to - skip over some classes in the method resolution order. - - "How does it work? By inspecting the calling frame to determine the - function object being executed and the object on which it's being - called, and then walking the object's __mro__ chain to find out where - that function was defined. Yuck, but it seems to work..." -''' - -from __future__ import absolute_import -import sys -from types import FunctionType - -from future.utils import PY3, PY26 - - -_builtin_super = super - -_SENTINEL = object() - -def newsuper(typ=_SENTINEL, type_or_obj=_SENTINEL, framedepth=1): - '''Like builtin super(), but capable of magic. - - This acts just like the builtin super() function, but if called - without any arguments it attempts to infer them at runtime. - ''' - # Infer the correct call if used without arguments. - if typ is _SENTINEL: - # We'll need to do some frame hacking. - f = sys._getframe(framedepth) - - try: - # Get the function's first positional argument. - type_or_obj = f.f_locals[f.f_code.co_varnames[0]] - except (IndexError, KeyError,): - raise RuntimeError('super() used in a function with no args') - - try: - # Get the MRO so we can crawl it. - mro = type_or_obj.__mro__ - except (AttributeError, RuntimeError): # see issue #160 - try: - mro = type_or_obj.__class__.__mro__ - except AttributeError: - raise RuntimeError('super() used with a non-newstyle class') - - # A ``for...else`` block? Yes! It's odd, but useful. - # If unfamiliar with for...else, see: - # - # http://psung.blogspot.com/2007/12/for-else-in-python.html - for typ in mro: - # Find the class that owns the currently-executing method. - for meth in typ.__dict__.values(): - # Drill down through any wrappers to the underlying func. - # This handles e.g. classmethod() and staticmethod(). - try: - while not isinstance(meth,FunctionType): - if isinstance(meth, property): - # Calling __get__ on the property will invoke - # user code which might throw exceptions or have - # side effects - meth = meth.fget - else: - try: - meth = meth.__func__ - except AttributeError: - meth = meth.__get__(type_or_obj, typ) - except (AttributeError, TypeError): - continue - if meth.func_code is f.f_code: - break # Aha! Found you. - else: - continue # Not found! Move onto the next class in MRO. - break # Found! Break out of the search loop. - else: - raise RuntimeError('super() called outside a method') - - # Dispatch to builtin super(). - if type_or_obj is not _SENTINEL: - return _builtin_super(typ, type_or_obj) - return _builtin_super(typ) - - -def superm(*args, **kwds): - f = sys._getframe(1) - nm = f.f_code.co_name - return getattr(newsuper(framedepth=2),nm)(*args, **kwds) - - -__all__ = ['newsuper'] |
