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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
filters	[ DIR ]	drwxr-xr-x
template	[ DIR ]	drwxr-xr-x
tests	[ DIR ]	drwxr-xr-x
__init__.py	937 B	-rw-r--r--
_speedups.cpython-310-x86_64-l...	23.1 KB	-rw-r--r--
builder.py	11.55 KB	-rw-r--r--
compat.py	5.14 KB	-rw-r--r--
core.py	25.21 KB	-rw-r--r--
input.py	16.22 KB	-rw-r--r--
output.py	30.71 KB	-rw-r--r--
path.py	55.8 KB	-rw-r--r--
util.py	6.61 KB	-rw-r--r--

Code Editor : compat.py

# -*- coding: utf-8 -*-
#
# Copyright (C) 2006-2009 Edgewall Software
# All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://genshi.edgewall.org/wiki/License.
#
# This software consists of voluntary contributions made by many
# individuals. For the exact contribution history, see the revision
# history and logs, available at http://genshi.edgewall.org/log/.

"""Various Python version compatibility classes and functions."""

try:
    # in Python 3.9 the "_ast" module does not provide "Index" anymore but
    # "ast" does.
    import ast
except ImportError:
    import _ast as ast
import sys
from types import CodeType

import six

IS_PYTHON2 = (sys.version_info[0] == 2)

numeric_types = (float, ) + six.integer_types

# This function should only be called in Python 2, and will fail in Python 3

if IS_PYTHON2:
    def stringrepr(string):
        ascii = string.encode('ascii', 'backslashreplace')
        quoted = "'" +  ascii.replace("'", "\\'") + "'"
        if len(ascii) > len(string):
            return 'u' + quoted
        return quoted
else:
    def stringrepr(string):
        raise RuntimeError(
                'Python 2 compatibility function. Not usable in Python 3.')

# We need to test if an object is an instance of a string type in places

def isstring(obj):
    return isinstance(obj, six.string_types)

# We need to differentiate between StringIO and BytesIO in places

if IS_PYTHON2:
    from StringIO import StringIO
    try:
        from cStringIO import StringIO as BytesIO
    except ImportError:
        BytesIO = StringIO
else:
    from io import StringIO, BytesIO

# We want to test bytestring input to some stuff.

if IS_PYTHON2:
    def wrapped_bytes(bstr):
        assert bstr.startswith('b')
        return bstr[1:]
else:
    def wrapped_bytes(bstr):
        assert bstr.startswith('b')
        return bstr

# We do some scary stuff with CodeType() in template/eval.py

if IS_PYTHON2:
    def get_code_params(code):
        return (code.co_nlocals, code.co_stacksize, code.co_flags,
                code.co_code, code.co_consts, code.co_names, code.co_varnames,
                code.co_filename, code.co_name, code.co_firstlineno,
                code.co_lnotab, (), ())

def build_code_chunk(code, filename, name, lineno):
        return CodeType(0, code.co_nlocals, code.co_stacksize,
                        code.co_flags | 0x0040, code.co_code, code.co_consts,
                        code.co_names, code.co_varnames, filename, name,
                        lineno, code.co_lnotab, (), ())
else:
    def get_code_params(code):
        params = []
        if hasattr(code, "co_posonlyargcount"):
            # PEP 570 -- Python Positional-Only Parameters
            params.append(code.co_posonlyargcount)
        params.extend([code.co_kwonlyargcount, code.co_nlocals,
                       code.co_stacksize, code.co_flags, code.co_code,
                       code.co_consts, code.co_names, code.co_varnames,
                       code.co_filename, code.co_name])
        if hasattr(code, "co_qualname"):
            # https://bugs.python.org/issue13672
            params.append(code.co_qualname)
        params.append(code.co_firstlineno)
        if hasattr(code, "co_linetable"):
            # PEP 626 -- Precise line numbers for debugging and other tools.
            params.append(code.co_linetable)
        else:
            params.append(code.co_lnotab)
        if hasattr(code, "co_endlinetable"):
            # PEP 657 -- Include Fine Grained Error Locations in Tracebacks
            params.append(code.co_endlinetable)
        if hasattr(code, "co_columntable"):
            # PEP 657 -- Include Fine Grained Error Locations in Tracebacks
            params.append(code.co_columntable)
        if hasattr(code, "co_exceptiontable"):
            # https://bugs.python.org/issue40222
            params.append(code.co_exceptiontable)
        params.extend([(), ()])
        return tuple(params)

def build_code_chunk(code, filename, name, lineno):
        if hasattr(code, 'replace'):
            # Python 3.8+
            return code.replace(
                co_filename=filename,
                co_name=name,
                co_firstlineno=lineno,
            )
        # XXX: This isn't equivalent to the above "replace" code (we overwrite
        # co_argcount, co_flags, co_freevars, and co_cellvars). Should one of
        # them be changed?
        return CodeType(0, code.co_kwonlyargcount, code.co_nlocals,
                        code.co_stacksize, code.co_flags | 0x0040, code.co_code,
                        code.co_consts, code.co_names, code.co_varnames,
                        filename, name, lineno, code.co_lnotab, (), ())

# In Python 3.8, Str and Ellipsis was replaced by Constant

try:
    _ast_Ellipsis = ast.Ellipsis
    _ast_Str = ast.Str
    _ast_Str_value = lambda obj: obj.s
except AttributeError:
    _ast_Ellipsis = _ast_Str = ast.Constant
    _ast_Str_value = lambda obj: obj.value

class _DummyASTItem(object):
    pass
try:
    _ast_Constant = ast.Constant
except AttributeError:
    # Python 2
    _ast_Constant = _DummyASTItem

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Code Editor : compat.py