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import inspect
import platform
import sys
import types
if platform.system() == 'Windows': # pragma: no cover
WIN = True
else: # pragma: no cover
WIN = False
try: # pragma: no cover
import __pypy__
PYPY = True
except: # pragma: no cover
__pypy__ = None
PYPY = False
try:
import cPickle as pickle
except ImportError: # pragma: no cover
import pickle
# True if we are running on Python 3.
PY3 = sys.version_info[0] == 3
if PY3: # pragma: no cover
string_types = str,
integer_types = int,
class_types = type,
text_type = str
binary_type = bytes
long = int
else:
string_types = basestring,
integer_types = (int, long)
class_types = (type, types.ClassType)
text_type = unicode
binary_type = str
long = long
def text_(s, encoding='latin-1', errors='strict'):
""" If ``s`` is an instance of ``binary_type``, return
``s.decode(encoding, errors)``, otherwise return ``s``"""
if isinstance(s, binary_type):
return s.decode(encoding, errors)
return s # pragma: no cover
def bytes_(s, encoding='latin-1', errors='strict'):
""" If ``s`` is an instance of ``text_type``, return
``s.encode(encoding, errors)``, otherwise return ``s``"""
if isinstance(s, text_type): # pragma: no cover
return s.encode(encoding, errors)
return s
if PY3: # pragma: no cover
def ascii_native_(s):
if isinstance(s, text_type):
s = s.encode('ascii')
return str(s, 'ascii', 'strict')
else:
def ascii_native_(s):
if isinstance(s, text_type):
s = s.encode('ascii')
return str(s)
ascii_native_.__doc__ = """
Python 3: If ``s`` is an instance of ``text_type``, return
``s.encode('ascii')``, otherwise return ``str(s, 'ascii', 'strict')``
Python 2: If ``s`` is an instance of ``text_type``, return
``s.encode('ascii')``, otherwise return ``str(s)``
"""
if PY3: # pragma: no cover
def native_(s, encoding='latin-1', errors='strict'):
""" If ``s`` is an instance of ``text_type``, return
``s``, otherwise return ``str(s, encoding, errors)``"""
if isinstance(s, text_type):
return s
return str(s, encoding, errors)
else:
def native_(s, encoding='latin-1', errors='strict'):
""" If ``s`` is an instance of ``text_type``, return
``s.encode(encoding, errors)``, otherwise return ``str(s)``"""
if isinstance(s, text_type):
return s.encode(encoding, errors)
return str(s)
native_.__doc__ = """
Python 3: If ``s`` is an instance of ``text_type``, return ``s``, otherwise
return ``str(s, encoding, errors)``
Python 2: If ``s`` is an instance of ``text_type``, return
``s.encode(encoding, errors)``, otherwise return ``str(s)``
"""
if PY3: # pragma: no cover
from urllib import parse
urlparse = parse
from urllib.parse import quote as url_quote
from urllib.parse import quote_plus as url_quote_plus
from urllib.parse import unquote as url_unquote
from urllib.parse import urlencode as url_encode
from urllib.request import urlopen as url_open
url_unquote_text = url_unquote
url_unquote_native = url_unquote
else:
import urlparse
from urllib import quote as url_quote
from urllib import quote_plus as url_quote_plus
from urllib import unquote as url_unquote
from urllib import urlencode as url_encode
from urllib2 import urlopen as url_open
def url_unquote_text(v, encoding='utf-8', errors='replace'): # pragma: no cover
v = url_unquote(v)
return v.decode(encoding, errors)
def url_unquote_native(v, encoding='utf-8', errors='replace'): # pragma: no cover
return native_(url_unquote_text(v, encoding, errors))
if PY3: # pragma: no cover
import builtins
exec_ = getattr(builtins, "exec")
def reraise(tp, value, tb=None):
if value is None:
value = tp
if value.__traceback__ is not tb:
raise value.with_traceback(tb)
raise value
del builtins
else: # pragma: no cover
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
""")
if PY3: # pragma: no cover
def iteritems_(d):
return d.items()
def itervalues_(d):
return d.values()
def iterkeys_(d):
return d.keys()
else:
def iteritems_(d):
return d.iteritems()
def itervalues_(d):
return d.itervalues()
def iterkeys_(d):
return d.iterkeys()
if PY3: # pragma: no cover
def map_(*arg):
return list(map(*arg))
else:
map_ = map
if PY3: # pragma: no cover
def is_nonstr_iter(v):
if isinstance(v, str):
return False
return hasattr(v, '__iter__')
else:
def is_nonstr_iter(v):
return hasattr(v, '__iter__')
if PY3: # pragma: no cover
im_func = '__func__'
im_self = '__self__'
else:
im_func = 'im_func'
im_self = 'im_self'
try: # pragma: no cover
import configparser
except ImportError: # pragma: no cover
import ConfigParser as configparser
try:
from Cookie import SimpleCookie
except ImportError: # pragma: no cover
from http.cookies import SimpleCookie
if PY3: # pragma: no cover
from html import escape
else:
from cgi import escape
try: # pragma: no cover
input_ = raw_input
except NameError: # pragma: no cover
input_ = input
try:
from StringIO import StringIO as NativeIO
except ImportError: # pragma: no cover
from io import StringIO as NativeIO
# "json" is not an API; it's here to support older pyramid_debugtoolbar
# versions which attempt to import it
import json
if PY3: # pragma: no cover
# see PEP 3333 for why we encode WSGI PATH_INFO to latin-1 before
# decoding it to utf-8
def decode_path_info(path):
return path.encode('latin-1').decode('utf-8')
else:
def decode_path_info(path):
return path.decode('utf-8')
if PY3: # pragma: no cover
# see PEP 3333 for why we decode the path to latin-1
from urllib.parse import unquote_to_bytes
def unquote_bytes_to_wsgi(bytestring):
return unquote_to_bytes(bytestring).decode('latin-1')
else:
from urlparse import unquote as unquote_to_bytes
def unquote_bytes_to_wsgi(bytestring):
return unquote_to_bytes(bytestring)
def is_bound_method(ob):
return inspect.ismethod(ob) and getattr(ob, im_self, None) is not None
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