--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eggs/py-1.4.0-py2.6.egg/py/_builtin.py Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,234 @@
+import sys
+
+try:
+ reversed = reversed
+except NameError:
+ def reversed(sequence):
+ """reversed(sequence) -> reverse iterator over values of the sequence
+
+ Return a reverse iterator
+ """
+ if hasattr(sequence, '__reversed__'):
+ return sequence.__reversed__()
+ if not hasattr(sequence, '__getitem__'):
+ raise TypeError("argument to reversed() must be a sequence")
+ return reversed_iterator(sequence)
+
+ class reversed_iterator(object):
+
+ def __init__(self, seq):
+ self.seq = seq
+ self.remaining = len(seq)
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ i = self.remaining
+ if i > 0:
+ i -= 1
+ item = self.seq[i]
+ self.remaining = i
+ return item
+ raise StopIteration
+
+ def __length_hint__(self):
+ return self.remaining
+
+try:
+ any = any
+except NameError:
+ def any(iterable):
+ for x in iterable:
+ if x:
+ return True
+ return False
+
+try:
+ all = all
+except NameError:
+ def all(iterable):
+ for x in iterable:
+ if not x:
+ return False
+ return True
+
+try:
+ sorted = sorted
+except NameError:
+ builtin_cmp = cmp # need to use cmp as keyword arg
+
+ def sorted(iterable, cmp=None, key=None, reverse=0):
+ use_cmp = None
+ if key is not None:
+ if cmp is None:
+ def use_cmp(x, y):
+ return builtin_cmp(x[0], y[0])
+ else:
+ def use_cmp(x, y):
+ return cmp(x[0], y[0])
+ l = [(key(element), element) for element in iterable]
+ else:
+ if cmp is not None:
+ use_cmp = cmp
+ l = list(iterable)
+ if use_cmp is not None:
+ l.sort(use_cmp)
+ else:
+ l.sort()
+ if reverse:
+ l.reverse()
+ if key is not None:
+ return [element for (_, element) in l]
+ return l
+
+try:
+ set, frozenset = set, frozenset
+except NameError:
+ from sets import set, frozenset
+
+# pass through
+enumerate = enumerate
+
+try:
+ BaseException = BaseException
+except NameError:
+ BaseException = Exception
+
+try:
+ GeneratorExit = GeneratorExit
+except NameError:
+ class GeneratorExit(Exception):
+ """ This exception is never raised, it is there to make it possible to
+ write code compatible with CPython 2.5 even in lower CPython
+ versions."""
+ pass
+ GeneratorExit.__module__ = 'exceptions'
+
+_sysex = (KeyboardInterrupt, SystemExit, MemoryError, GeneratorExit)
+
+if sys.version_info >= (3, 0):
+ exec ("print_ = print ; exec_=exec")
+ import builtins
+
+ # some backward compatibility helpers
+ _basestring = str
+ def _totext(obj, encoding=None):
+ if isinstance(obj, bytes):
+ obj = obj.decode(encoding)
+ elif not isinstance(obj, str):
+ obj = str(obj)
+ return obj
+
+ def _isbytes(x):
+ return isinstance(x, bytes)
+ def _istext(x):
+ return isinstance(x, str)
+
+ def _getimself(function):
+ return getattr(function, '__self__', None)
+
+ def _getfuncdict(function):
+ return getattr(function, "__dict__", None)
+
+ def _getcode(function):
+ return getattr(function, "__code__", None)
+
+ def execfile(fn, globs=None, locs=None):
+ if globs is None:
+ back = sys._getframe(1)
+ globs = back.f_globals
+ locs = back.f_locals
+ del back
+ elif locs is None:
+ locs = globs
+ fp = open(fn, "rb")
+ try:
+ source = fp.read()
+ finally:
+ fp.close()
+ co = compile(source, fn, "exec", dont_inherit=True)
+ exec_(co, globs, locs)
+
+ def callable(obj):
+ return hasattr(obj, "__call__")
+
+else:
+ import __builtin__ as builtins
+ _totext = unicode
+ _basestring = basestring
+ execfile = execfile
+ callable = callable
+ def _isbytes(x):
+ return isinstance(x, str)
+ def _istext(x):
+ return isinstance(x, unicode)
+
+ def _getimself(function):
+ return getattr(function, 'im_self', None)
+
+ def _getfuncdict(function):
+ return getattr(function, "__dict__", None)
+
+ def _getcode(function):
+ try:
+ return getattr(function, "__code__")
+ except AttributeError:
+ return getattr(function, "func_code", None)
+
+ def print_(*args, **kwargs):
+ """ minimal backport of py3k print statement. """
+ sep = ' '
+ if 'sep' in kwargs:
+ sep = kwargs.pop('sep')
+ end = '\n'
+ if 'end' in kwargs:
+ end = kwargs.pop('end')
+ file = 'file' in kwargs and kwargs.pop('file') or sys.stdout
+ if kwargs:
+ args = ", ".join([str(x) for x in kwargs])
+ raise TypeError("invalid keyword arguments: %s" % args)
+ at_start = True
+ for x in args:
+ if not at_start:
+ file.write(sep)
+ file.write(str(x))
+ at_start = False
+ file.write(end)
+
+ def exec_(obj, globals=None, locals=None):
+ """ minimal backport of py3k exec statement. """
+ __tracebackhide__ = True
+ if globals is None:
+ frame = sys._getframe(1)
+ globals = frame.f_globals
+ if locals is None:
+ locals = frame.f_locals
+ elif locals is None:
+ locals = globals
+ exec2(obj, globals, locals)
+
+if sys.version_info >= (3,0):
+ def _reraise(cls, val, tb):
+ __tracebackhide__ = True
+ assert hasattr(val, '__traceback__')
+ raise val
+else:
+ exec ("""
+def _reraise(cls, val, tb):
+ __tracebackhide__ = True
+ raise cls, val, tb
+def exec2(obj, globals, locals):
+ __tracebackhide__ = True
+ exec obj in globals, locals
+""")
+
+def _tryimport(*names):
+ """ return the first successfully imported module. """
+ assert names
+ for name in names:
+ try:
+ return __import__(name, None, None, '__doc__')
+ except ImportError:
+ excinfo = sys.exc_info()
+ _reraise(*excinfo)