X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=AppPkg%2FApplications%2FPython%2FPython-2.7.2%2FLib%2Flib2to3%2Ffixes%2Ffix_itertools_imports.py;fp=AppPkg%2FApplications%2FPython%2FPython-2.7.2%2FLib%2Flib2to3%2Ffixes%2Ffix_itertools_imports.py;h=8758fb99c2fcc0e16b0fd406870bf7de7cfb35a4;hb=4710c53dcad1ebf3755f3efb9e80ac24bd72a9b2;hp=0000000000000000000000000000000000000000;hpb=cbc6b5e54599c7391ece99ad3c5313f4dd4ddda6;p=mirror_edk2.git

diff --git a/AppPkg/Applications/Python/Python-2.7.2/Lib/lib2to3/fixes/fix_itertools_imports.py b/AppPkg/Applications/Python/Python-2.7.2/Lib/lib2to3/fixes/fix_itertools_imports.py
new file mode 100644
index 0000000000..8758fb99c2
--- /dev/null
+++ b/AppPkg/Applications/Python/Python-2.7.2/Lib/lib2to3/fixes/fix_itertools_imports.py
@@ -0,0 +1,57 @@
+""" Fixer for imports of itertools.(imap|ifilter|izip|ifilterfalse) """
+
+# Local imports
+from lib2to3 import fixer_base
+from lib2to3.fixer_util import BlankLine, syms, token
+
+
+class FixItertoolsImports(fixer_base.BaseFix):
+    BM_compatible = True
+    PATTERN = """
+              import_from< 'from' 'itertools' 'import' imports=any >
+              """ %(locals())
+
+    def transform(self, node, results):
+        imports = results['imports']
+        if imports.type == syms.import_as_name or not imports.children:
+            children = [imports]
+        else:
+            children = imports.children
+        for child in children[::2]:
+            if child.type == token.NAME:
+                member = child.value
+                name_node = child
+            elif child.type == token.STAR:
+                # Just leave the import as is.
+                return
+            else:
+                assert child.type == syms.import_as_name
+                name_node = child.children[0]
+            member_name = name_node.value
+            if member_name in (u'imap', u'izip', u'ifilter'):
+                child.value = None
+                child.remove()
+            elif member_name in (u'ifilterfalse', u'izip_longest'):
+                node.changed()
+                name_node.value = (u'filterfalse' if member_name[1] == u'f'
+                                   else u'zip_longest')
+
+        # Make sure the import statement is still sane
+        children = imports.children[:] or [imports]
+        remove_comma = True
+        for child in children:
+            if remove_comma and child.type == token.COMMA:
+                child.remove()
+            else:
+                remove_comma ^= True
+
+        while children and children[-1].type == token.COMMA:
+            children.pop().remove()
+
+        # If there are no imports left, just get rid of the entire statement
+        if (not (imports.children or getattr(imports, 'value', None)) or
+            imports.parent is None):
+            p = node.prefix
+            node = BlankLine()
+            node.prefix = p
+            return node