--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-win32-2.6.1/lib/lib2to3/fixes/fix_urllib.py Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,177 @@
+"""Fix changes imports of urllib which are now incompatible.
+ This is rather similar to fix_imports, but because of the more
+ complex nature of the fixing for urllib, it has its own fixer.
+"""
+# Author: Nick Edds
+
+# Local imports
+from .fix_imports import alternates, FixImports
+from .. import fixer_base
+from ..fixer_util import Name, Comma, FromImport, Newline, attr_chain
+
+MAPPING = {'urllib': [
+ ('urllib.request',
+ ['URLOpener', 'FancyURLOpener', 'urlretrieve',
+ '_urlopener', 'urlcleanup']),
+ ('urllib.parse',
+ ['quote', 'quote_plus', 'unquote', 'unquote_plus',
+ 'urlencode', 'pahtname2url', 'url2pathname']),
+ ('urllib.error',
+ ['ContentTooShortError'])],
+ 'urllib2' : [
+ ('urllib.request',
+ ['urlopen', 'install_opener', 'build_opener',
+ 'Request', 'OpenerDirector', 'BaseHandler',
+ 'HTTPDefaultErrorHandler', 'HTTPRedirectHandler',
+ 'HTTPCookieProcessor', 'ProxyHandler',
+ 'HTTPPasswordMgr',
+ 'HTTPPasswordMgrWithDefaultRealm',
+ 'AbstractBasicAuthHandler',
+ 'HTTPBasicAuthHandler', 'ProxyBasicAuthHandler',
+ 'AbstractDigestAuthHandler',
+ 'HTTPDigestAuthHander', 'ProxyDigestAuthHandler',
+ 'HTTPHandler', 'HTTPSHandler', 'FileHandler',
+ 'FTPHandler', 'CacheFTPHandler',
+ 'UnknownHandler']),
+ ('urllib.error',
+ ['URLError', 'HTTPError'])],
+}
+
+
+# def alternates(members):
+# return "(" + "|".join(map(repr, members)) + ")"
+
+
+def build_pattern():
+ bare = set()
+ for old_module, changes in MAPPING.items():
+ for change in changes:
+ new_module, members = change
+ members = alternates(members)
+ yield """import_name< 'import' (module=%r
+ | dotted_as_names< any* module=%r any* >) >
+ """ % (old_module, old_module)
+ yield """import_from< 'from' mod_member=%r 'import'
+ ( member=%s | import_as_name< member=%s 'as' any > |
+ import_as_names< members=any* >) >
+ """ % (old_module, members, members)
+ yield """import_from< 'from' module_star=%r 'import' star='*' >
+ """ % old_module
+ yield """import_name< 'import'
+ dotted_as_name< module_as=%r 'as' any > >
+ """ % old_module
+ yield """power< module_dot=%r trailer< '.' member=%s > any* >
+ """ % (old_module, members)
+
+
+class FixUrllib(FixImports):
+
+ def build_pattern(self):
+ return "|".join(build_pattern())
+
+ def transform_import(self, node, results):
+ """Transform for the basic import case. Replaces the old
+ import name with a comma separated list of its
+ replacements.
+ """
+ import_mod = results.get('module')
+ pref = import_mod.get_prefix()
+
+ names = []
+
+ # create a Node list of the replacement modules
+ for name in MAPPING[import_mod.value][:-1]:
+ names.extend([Name(name[0], prefix=pref), Comma()])
+ names.append(Name(MAPPING[import_mod.value][-1][0], prefix=pref))
+ import_mod.replace(names)
+
+ def transform_member(self, node, results):
+ """Transform for imports of specific module elements. Replaces
+ the module to be imported from with the appropriate new
+ module.
+ """
+ mod_member = results.get('mod_member')
+ pref = mod_member.get_prefix()
+ member = results.get('member')
+
+ # Simple case with only a single member being imported
+ if member:
+ # this may be a list of length one, or just a node
+ if isinstance(member, list):
+ member = member[0]
+ new_name = None
+ for change in MAPPING[mod_member.value]:
+ if member.value in change[1]:
+ new_name = change[0]
+ break
+ if new_name:
+ mod_member.replace(Name(new_name, prefix=pref))
+ else:
+ self.cannot_convert(node,
+ 'This is an invalid module element')
+
+ # Multiple members being imported
+ else:
+ # a dictionary for replacements, order matters
+ modules = []
+ mod_dict = {}
+ members = results.get('members')
+ for member in members:
+ member = member.value
+ # we only care about the actual members
+ if member != ',':
+ for change in MAPPING[mod_member.value]:
+ if member in change[1]:
+ if change[0] in mod_dict:
+ mod_dict[change[0]].append(member)
+ else:
+ mod_dict[change[0]] = [member]
+ modules.append(change[0])
+
+ new_nodes = []
+ for module in modules:
+ elts = mod_dict[module]
+ names = []
+ for elt in elts[:-1]:
+ names.extend([Name(elt, prefix=pref), Comma()])
+ names.append(Name(elts[-1], prefix=pref))
+ new_nodes.append(FromImport(module, names))
+ if new_nodes:
+ nodes = []
+ for new_node in new_nodes[:-1]:
+ nodes.extend([new_node, Newline()])
+ nodes.append(new_nodes[-1])
+ node.replace(nodes)
+ else:
+ self.cannot_convert(node, 'All module elements are invalid')
+
+ def transform_dot(self, node, results):
+ """Transform for calls to module members in code."""
+ module_dot = results.get('module_dot')
+ member = results.get('member')
+ # this may be a list of length one, or just a node
+ if isinstance(member, list):
+ member = member[0]
+ new_name = None
+ for change in MAPPING[module_dot.value]:
+ if member.value in change[1]:
+ new_name = change[0]
+ break
+ if new_name:
+ module_dot.replace(Name(new_name,
+ prefix=module_dot.get_prefix()))
+ else:
+ self.cannot_convert(node, 'This is an invalid module element')
+
+ def transform(self, node, results):
+ if results.get('module'):
+ self.transform_import(node, results)
+ elif results.get('mod_member'):
+ self.transform_member(node, results)
+ elif results.get('module_dot'):
+ self.transform_dot(node, results)
+ # Renaming and star imports are not supported for these modules.
+ elif results.get('module_star'):
+ self.cannot_convert(node, 'Cannot handle star imports.')
+ elif results.get('module_as'):
+ self.cannot_convert(node, 'This module is now multiple modules')