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authorDmitry Mukhin2014-08-20 20:04:48 +0400
committerDmitry Mukhin2014-08-20 20:04:48 +0400
commit3b07d0c9978335e183f369480618b48ff1e1b1ab (patch)
tree041027c50d2965da1be7f93b1a6360e07ad976f9 /rest_framework/six.py
parentc3891b6e00daa7a92cca1c88599e046f72926bb4 (diff)
parent59b47eac14778767a17e56bd8adc0610417f2878 (diff)
downloaddjango-rest-framework-3b07d0c9978335e183f369480618b48ff1e1b1ab.tar.bz2
Merge branch 'master' into set-retry-after
Conflicts: tests/test_throttling.py
Diffstat (limited to 'rest_framework/six.py')
-rw-r--r--rest_framework/six.py389
1 files changed, 0 insertions, 389 deletions
diff --git a/rest_framework/six.py b/rest_framework/six.py
deleted file mode 100644
index 9e382312..00000000
--- a/rest_framework/six.py
+++ /dev/null
@@ -1,389 +0,0 @@
-"""Utilities for writing code that runs on Python 2 and 3"""
-
-import operator
-import sys
-import types
-
-__author__ = "Benjamin Peterson <benjamin@python.org>"
-__version__ = "1.2.0"
-
-
-# True if we are running on Python 3.
-PY3 = sys.version_info[0] == 3
-
-if PY3:
- string_types = str,
- integer_types = int,
- class_types = type,
- text_type = str
- binary_type = bytes
-
- MAXSIZE = sys.maxsize
-else:
- string_types = basestring,
- integer_types = (int, long)
- class_types = (type, types.ClassType)
- text_type = unicode
- binary_type = str
-
- if sys.platform == "java":
- # Jython always uses 32 bits.
- MAXSIZE = int((1 << 31) - 1)
- else:
- # It's possible to have sizeof(long) != sizeof(Py_ssize_t).
- class X(object):
- def __len__(self):
- return 1 << 31
- try:
- len(X())
- except OverflowError:
- # 32-bit
- MAXSIZE = int((1 << 31) - 1)
- else:
- # 64-bit
- MAXSIZE = int((1 << 63) - 1)
- del X
-
-
-def _add_doc(func, doc):
- """Add documentation to a function."""
- func.__doc__ = doc
-
-
-def _import_module(name):
- """Import module, returning the module after the last dot."""
- __import__(name)
- return sys.modules[name]
-
-
-class _LazyDescr(object):
-
- def __init__(self, name):
- self.name = name
-
- def __get__(self, obj, tp):
- result = self._resolve()
- setattr(obj, self.name, result)
- # This is a bit ugly, but it avoids running this again.
- delattr(tp, self.name)
- return result
-
-
-class MovedModule(_LazyDescr):
-
- def __init__(self, name, old, new=None):
- super(MovedModule, self).__init__(name)
- if PY3:
- if new is None:
- new = name
- self.mod = new
- else:
- self.mod = old
-
- def _resolve(self):
- return _import_module(self.mod)
-
-
-class MovedAttribute(_LazyDescr):
-
- def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None):
- super(MovedAttribute, self).__init__(name)
- if PY3:
- if new_mod is None:
- new_mod = name
- self.mod = new_mod
- if new_attr is None:
- if old_attr is None:
- new_attr = name
- else:
- new_attr = old_attr
- self.attr = new_attr
- else:
- self.mod = old_mod
- if old_attr is None:
- old_attr = name
- self.attr = old_attr
-
- def _resolve(self):
- module = _import_module(self.mod)
- return getattr(module, self.attr)
-
-
-
-class _MovedItems(types.ModuleType):
- """Lazy loading of moved objects"""
-
-
-_moved_attributes = [
- MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"),
- MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"),
- MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"),
- MovedAttribute("map", "itertools", "builtins", "imap", "map"),
- MovedAttribute("reload_module", "__builtin__", "imp", "reload"),
- MovedAttribute("reduce", "__builtin__", "functools"),
- MovedAttribute("StringIO", "StringIO", "io"),
- MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"),
- MovedAttribute("zip", "itertools", "builtins", "izip", "zip"),
-
- MovedModule("builtins", "__builtin__"),
- MovedModule("configparser", "ConfigParser"),
- MovedModule("copyreg", "copy_reg"),
- MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
- MovedModule("http_cookies", "Cookie", "http.cookies"),
- MovedModule("html_entities", "htmlentitydefs", "html.entities"),
- MovedModule("html_parser", "HTMLParser", "html.parser"),
- MovedModule("http_client", "httplib", "http.client"),
- MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"),
- MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"),
- MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"),
- MovedModule("cPickle", "cPickle", "pickle"),
- MovedModule("queue", "Queue"),
- MovedModule("reprlib", "repr"),
- MovedModule("socketserver", "SocketServer"),
- MovedModule("tkinter", "Tkinter"),
- MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"),
- MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"),
- MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"),
- MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"),
- MovedModule("tkinter_tix", "Tix", "tkinter.tix"),
- MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"),
- MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"),
- MovedModule("tkinter_colorchooser", "tkColorChooser",
- "tkinter.colorchooser"),
- MovedModule("tkinter_commondialog", "tkCommonDialog",
- "tkinter.commondialog"),
- MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"),
- MovedModule("tkinter_font", "tkFont", "tkinter.font"),
- MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"),
- MovedModule("tkinter_tksimpledialog", "tkSimpleDialog",
- "tkinter.simpledialog"),
- MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"),
- MovedModule("winreg", "_winreg"),
-]
-for attr in _moved_attributes:
- setattr(_MovedItems, attr.name, attr)
-del attr
-
-moves = sys.modules["django.utils.six.moves"] = _MovedItems("moves")
-
-
-def add_move(move):
- """Add an item to six.moves."""
- setattr(_MovedItems, move.name, move)
-
-
-def remove_move(name):
- """Remove item from six.moves."""
- try:
- delattr(_MovedItems, name)
- except AttributeError:
- try:
- del moves.__dict__[name]
- except KeyError:
- raise AttributeError("no such move, %r" % (name,))
-
-
-if PY3:
- _meth_func = "__func__"
- _meth_self = "__self__"
-
- _func_code = "__code__"
- _func_defaults = "__defaults__"
-
- _iterkeys = "keys"
- _itervalues = "values"
- _iteritems = "items"
-else:
- _meth_func = "im_func"
- _meth_self = "im_self"
-
- _func_code = "func_code"
- _func_defaults = "func_defaults"
-
- _iterkeys = "iterkeys"
- _itervalues = "itervalues"
- _iteritems = "iteritems"
-
-
-try:
- advance_iterator = next
-except NameError:
- def advance_iterator(it):
- return it.next()
-next = advance_iterator
-
-
-if PY3:
- def get_unbound_function(unbound):
- return unbound
-
- Iterator = object
-
- def callable(obj):
- return any("__call__" in klass.__dict__ for klass in type(obj).__mro__)
-else:
- def get_unbound_function(unbound):
- return unbound.im_func
-
- class Iterator(object):
-
- def next(self):
- return type(self).__next__(self)
-
- callable = callable
-_add_doc(get_unbound_function,
- """Get the function out of a possibly unbound function""")
-
-
-get_method_function = operator.attrgetter(_meth_func)
-get_method_self = operator.attrgetter(_meth_self)
-get_function_code = operator.attrgetter(_func_code)
-get_function_defaults = operator.attrgetter(_func_defaults)
-
-
-def iterkeys(d):
- """Return an iterator over the keys of a dictionary."""
- return iter(getattr(d, _iterkeys)())
-
-def itervalues(d):
- """Return an iterator over the values of a dictionary."""
- return iter(getattr(d, _itervalues)())
-
-def iteritems(d):
- """Return an iterator over the (key, value) pairs of a dictionary."""
- return iter(getattr(d, _iteritems)())
-
-
-if PY3:
- def b(s):
- return s.encode("latin-1")
- def u(s):
- return s
- if sys.version_info[1] <= 1:
- def int2byte(i):
- return bytes((i,))
- else:
- # This is about 2x faster than the implementation above on 3.2+
- int2byte = operator.methodcaller("to_bytes", 1, "big")
- import io
- StringIO = io.StringIO
- BytesIO = io.BytesIO
-else:
- def b(s):
- return s
- def u(s):
- return unicode(s, "unicode_escape")
- int2byte = chr
- import StringIO
- StringIO = BytesIO = StringIO.StringIO
-_add_doc(b, """Byte literal""")
-_add_doc(u, """Text literal""")
-
-
-if PY3:
- import builtins
- exec_ = getattr(builtins, "exec")
-
-
- def reraise(tp, value, tb=None):
- if value.__traceback__ is not tb:
- raise value.with_traceback(tb)
- raise value
-
-
- print_ = getattr(builtins, "print")
- del builtins
-
-else:
- def exec_(code, globs=None, locs=None):
- """Execute code in a namespace."""
- if globs is None:
- frame = sys._getframe(1)
- globs = frame.f_globals
- if locs is None:
- locs = frame.f_locals
- del frame
- elif locs is None:
- locs = globs
- exec("""exec code in globs, locs""")
-
-
- exec_("""def reraise(tp, value, tb=None):
- raise tp, value, tb
-""")
-
-
- def print_(*args, **kwargs):
- """The new-style print function."""
- fp = kwargs.pop("file", sys.stdout)
- if fp is None:
- return
- def write(data):
- if not isinstance(data, basestring):
- data = str(data)
- fp.write(data)
- want_unicode = False
- sep = kwargs.pop("sep", None)
- if sep is not None:
- if isinstance(sep, unicode):
- want_unicode = True
- elif not isinstance(sep, str):
- raise TypeError("sep must be None or a string")
- end = kwargs.pop("end", None)
- if end is not None:
- if isinstance(end, unicode):
- want_unicode = True
- elif not isinstance(end, str):
- raise TypeError("end must be None or a string")
- if kwargs:
- raise TypeError("invalid keyword arguments to print()")
- if not want_unicode:
- for arg in args:
- if isinstance(arg, unicode):
- want_unicode = True
- break
- if want_unicode:
- newline = unicode("\n")
- space = unicode(" ")
- else:
- newline = "\n"
- space = " "
- if sep is None:
- sep = space
- if end is None:
- end = newline
- for i, arg in enumerate(args):
- if i:
- write(sep)
- write(arg)
- write(end)
-
-_add_doc(reraise, """Reraise an exception.""")
-
-
-def with_metaclass(meta, base=object):
- """Create a base class with a metaclass."""
- return meta("NewBase", (base,), {})
-
-
-### Additional customizations for Django ###
-
-if PY3:
- _iterlists = "lists"
- _assertRaisesRegex = "assertRaisesRegex"
-else:
- _iterlists = "iterlists"
- _assertRaisesRegex = "assertRaisesRegexp"
-
-
-def iterlists(d):
- """Return an iterator over the values of a MultiValueDict."""
- return getattr(d, _iterlists)()
-
-
-def assertRaisesRegex(self, *args, **kwargs):
- return getattr(self, _assertRaisesRegex)(*args, **kwargs)
-
-
-add_move(MovedModule("_dummy_thread", "dummy_thread"))
-add_move(MovedModule("_thread", "thread"))