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File Content: `fix_absolute_import.py`

"""
Fixer for import statements, with a __future__ import line.

Based on lib2to3/fixes/fix_import.py, but extended slightly so it also
supports Cython modules.

If spam is being imported from the local directory, this import:
    from spam import eggs
becomes:
    from __future__ import absolute_import
    from .spam import eggs

and this import:
    import spam
becomes:
    from __future__ import absolute_import
    from . import spam
"""

from os.path import dirname, join, exists, sep
from lib2to3.fixes.fix_import import FixImport
from lib2to3.fixer_util import FromImport, syms
from lib2to3.fixes.fix_import import traverse_imports

from libfuturize.fixer_util import future_import


class FixAbsoluteImport(FixImport):
    run_order = 9

    def transform(self, node, results):
        """
        Copied from FixImport.transform(), but with this line added in
        any modules that had implicit relative imports changed:

            from __future__ import absolute_import"
        """
        if self.skip:
            return
        imp = results['imp']

        if node.type == syms.import_from:
            # Some imps are top-level (eg: 'import ham')
            # some are first level (eg: 'import ham.eggs')
            # some are third level (eg: 'import ham.eggs as spam')
            # Hence, the loop
            while not hasattr(imp, 'value'):
                imp = imp.children[0]
            if self.probably_a_local_import(imp.value):
                imp.value = u"." + imp.value
                imp.changed()
                future_import(u"absolute_import", node)
        else:
            have_local = False
            have_absolute = False
            for mod_name in traverse_imports(imp):
                if self.probably_a_local_import(mod_name):
                    have_local = True
                else:
                    have_absolute = True
            if have_absolute:
                if have_local:
                    # We won't handle both sibling and absolute imports in the
                    # same statement at the moment.
                    self.warning(node, "absolute and local imports together")
                return

            new = FromImport(u".", [imp])
            new.prefix = node.prefix
            future_import(u"absolute_import", node)
            return new

    def probably_a_local_import(self, imp_name):
        """
        Like the corresponding method in the base class, but this also
        supports Cython modules.
        """
        if imp_name.startswith(u"."):
            # Relative imports are certainly not local imports.
            return False
        imp_name = imp_name.split(u".", 1)[0]
        base_path = dirname(self.filename)
        base_path = join(base_path, imp_name)
        # If there is no __init__.py next to the file its not in a package
        # so can't be a relative import.
        if not exists(join(dirname(base_path), "__init__.py")):
            return False
        for ext in [".py", sep, ".pyc", ".so", ".sl", ".pyd", ".pyx"]:
            if exists(base_path + ext):
                return True
        return False

Name	Size	Permission
__pycache__	---	0755
__init__.py	5236 bytes	0644
fix_UserDict.py	3840 bytes	0644
fix_absolute_import.py	3140 bytes	0644
fix_add__future__imports_except_unicode_literals.py	662 bytes	0644
fix_basestring.py	394 bytes	0644
fix_bytes.py	685 bytes	0644
fix_cmp.py	701 bytes	0644
fix_division.py	228 bytes	0644
fix_division_safe.py	3631 bytes	0644
fix_execfile.py	921 bytes	0644
fix_future_builtins.py	2027 bytes	0644
fix_future_standard_library.py	733 bytes	0644
fix_future_standard_library_urllib.py	1001 bytes	0644
fix_input.py	687 bytes	0644
fix_metaclass.py	9568 bytes	0644
fix_next_call.py	3158 bytes	0644
fix_object.py	407 bytes	0644
fix_oldstr_wrap.py	1214 bytes	0644
fix_order___future__imports.py	829 bytes	0644
fix_print.py	3881 bytes	0644
fix_print_with_import.py	735 bytes	0644
fix_raise.py	3904 bytes	0644
fix_remove_old__future__imports.py	851 bytes	0644
fix_unicode_keep_u.py	779 bytes	0644
fix_unicode_literals_import.py	367 bytes	0644
fix_xrange_with_import.py	479 bytes	0644

File Content: fix_absolute_import.py

File Content: `fix_absolute_import.py`