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ðŸ“ ..
ðŸ“„ __init__.py(47 B)
ðŸ“ __pycache__
ðŸ“„ fix_apply.py(2.29 KB)
ðŸ“„ fix_asserts.py(984 B)
ðŸ“„ fix_basestring.py(320 B)
ðŸ“„ fix_buffer.py(590 B)
ðŸ“„ fix_dict.py(3.67 KB)
ðŸ“„ fix_except.py(3.27 KB)
ðŸ“„ fix_exec.py(979 B)
ðŸ“„ fix_execfile.py(2 KB)
ðŸ“„ fix_exitfunc.py(2.44 KB)
ðŸ“„ fix_filter.py(2.7 KB)
ðŸ“„ fix_funcattrs.py(644 B)
ðŸ“„ fix_future.py(547 B)
ðŸ“„ fix_getcwdu.py(451 B)
ðŸ“„ fix_has_key.py(3.12 KB)
ðŸ“„ fix_idioms.py(4.76 KB)
ðŸ“„ fix_import.py(3.18 KB)
ðŸ“„ fix_imports.py(5.55 KB)
ðŸ“„ fix_imports2.py(289 B)
ðŸ“„ fix_input.py(708 B)
ðŸ“„ fix_intern.py(1.12 KB)
ðŸ“„ fix_isinstance.py(1.57 KB)
ðŸ“„ fix_itertools.py(1.51 KB)
ðŸ“„ fix_itertools_imports.py(2.04 KB)
ðŸ“„ fix_long.py(476 B)
ðŸ“„ fix_map.py(3.55 KB)
ðŸ“„ fix_metaclass.py(8 KB)
ðŸ“„ fix_methodattrs.py(606 B)
ðŸ“„ fix_ne.py(571 B)
ðŸ“„ fix_next.py(3.1 KB)
ðŸ“„ fix_nonzero.py(591 B)
ðŸ“„ fix_numliterals.py(768 B)
ðŸ“„ fix_operator.py(3.35 KB)
ðŸ“„ fix_paren.py(1.2 KB)
ðŸ“„ fix_print.py(2.78 KB)
ðŸ“„ fix_raise.py(2.86 KB)
ðŸ“„ fix_raw_input.py(454 B)
ðŸ“„ fix_reduce.py(837 B)
ðŸ“„ fix_reload.py(1.06 KB)
ðŸ“„ fix_renames.py(2.17 KB)
ðŸ“„ fix_repr.py(613 B)
ðŸ“„ fix_set_literal.py(1.66 KB)
ðŸ“„ fix_standarderror.py(449 B)
ðŸ“„ fix_sys_exc.py(1.01 KB)
ðŸ“„ fix_throw.py(1.54 KB)
ðŸ“„ fix_tuple_params.py(5.43 KB)
ðŸ“„ fix_types.py(1.73 KB)
ðŸ“„ fix_unicode.py(1.23 KB)
ðŸ“„ fix_urllib.py(8.16 KB)
ðŸ“„ fix_ws_comma.py(1.06 KB)
ðŸ“„ fix_xrange.py(2.63 KB)
ðŸ“„ fix_xreadlines.py(689 B)
ðŸ“„ fix_zip.py(1.26 KB)

Editing: fix_raise.py

"""Fixer for 'raise E, V, T'

raise         -> raise
raise E       -> raise E
raise E, V    -> raise E(V)
raise E, V, T -> raise E(V).with_traceback(T)
raise E, None, T -> raise E.with_traceback(T)

raise (((E, E'), E''), E'''), V -> raise E(V)
raise "foo", V, T               -> warns about string exceptions

CAVEATS:
1) "raise E, V" will be incorrectly translated if V is an exception
   instance. The correct Python 3 idiom is

raise E from V

but since we can't detect instance-hood by syntax alone and since
   any client code would have to be changed as well, we don't automate
   this.
"""
# Author: Collin Winter

# Local imports
from .. import pytree
from ..pgen2 import token
from .. import fixer_base
from ..fixer_util import Name, Call, Attr, ArgList, is_tuple

class FixRaise(fixer_base.BaseFix):

BM_compatible = True
    PATTERN = """
    raise_stmt< 'raise' exc=any [',' val=any [',' tb=any]] >
    """

def transform(self, node, results):
        syms = self.syms

exc = results["exc"].clone()
        if exc.type == token.STRING:
            msg = "Python 3 does not support string exceptions"
            self.cannot_convert(node, msg)
            return

# Python 2 supports
        #  raise ((((E1, E2), E3), E4), E5), V
        # as a synonym for
        #  raise E1, V
        # Since Python 3 will not support this, we recurse down any tuple
        # literals, always taking the first element.
        if is_tuple(exc):
            while is_tuple(exc):
                # exc.children[1:-1] is the unparenthesized tuple
                # exc.children[1].children[0] is the first element of the tuple
                exc = exc.children[1].children[0].clone()
            exc.prefix = " "

if "val" not in results:
            # One-argument raise
            new = pytree.Node(syms.raise_stmt, [Name("raise"), exc])
            new.prefix = node.prefix
            return new

val = results["val"].clone()
        if is_tuple(val):
            args = [c.clone() for c in val.children[1:-1]]
        else:
            val.prefix = ""
            args = [val]

if "tb" in results:
            tb = results["tb"].clone()
            tb.prefix = ""

e = exc
            # If there's a traceback and None is passed as the value, then don't
            # add a call, since the user probably just wants to add a
            # traceback. See issue #9661.
            if val.type != token.NAME or val.value != "None":
                e = Call(exc, args)
            with_tb = Attr(e, Name('with_traceback')) + [ArgList([tb])]
            new = pytree.Node(syms.simple_stmt, [Name("raise")] + with_tb)
            new.prefix = node.prefix
            return new
        else:
            return pytree.Node(syms.raise_stmt,
                               [Name("raise"), Call(exc, args)],
                               prefix=node.prefix)

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