diff env/lib/python3.7/site-packages/libpasteurize/fixes/fix_metaclass.py @ 5:9b1c78e6ba9c draft default tip

"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"

--- a/env/lib/python3.7/site-packages/libpasteurize/fixes/fix_metaclass.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,78 +0,0 @@
-u"""
-Fixer for (metaclass=X) -> __metaclass__ = X
-Some semantics (see PEP 3115) may be altered in the translation."""
-
-from lib2to3 import fixer_base
-from lib2to3.fixer_util import Name, syms, Node, Leaf, Newline, find_root
-from lib2to3.pygram import token
-from libfuturize.fixer_util import indentation, suitify
-# from ..fixer_util import Name, syms, Node, Leaf, Newline, find_root, indentation, suitify
-
-def has_metaclass(parent):
-    results = None
-    for node in parent.children:
-        kids = node.children
-        if node.type == syms.argument:
-            if kids[0] == Leaf(token.NAME, u"metaclass") and \
-                kids[1] == Leaf(token.EQUAL, u"=") and \
-                kids[2]:
-                #Hack to avoid "class X(=):" with this case.
-                results = [node] + kids
-                break
-        elif node.type == syms.arglist:
-            # Argument list... loop through it looking for:
-            # Node(*, [*, Leaf(token.NAME, u"metaclass"), Leaf(token.EQUAL, u"="), Leaf(*, *)]
-            for child in node.children:
-                if results: break
-                if child.type == token.COMMA:
-                    #Store the last comma, which precedes the metaclass
-                    comma = child
-                elif type(child) == Node:
-                    meta = equal = name = None
-                    for arg in child.children:
-                        if arg == Leaf(token.NAME, u"metaclass"):
-                            #We have the (metaclass) part
-                            meta = arg
-                        elif meta and arg == Leaf(token.EQUAL, u"="):
-                            #We have the (metaclass=) part
-                            equal = arg
-                        elif meta and equal:
-                            #Here we go, we have (metaclass=X)
-                            name = arg
-                            results = (comma, meta, equal, name)
-                            break
-    return results
-
-
-class FixMetaclass(fixer_base.BaseFix):
-
-    PATTERN = u"""
-    classdef<any*>
-    """
-
-    def transform(self, node, results):
-        meta_results = has_metaclass(node)
-        if not meta_results: return
-        for meta in meta_results:
-            meta.remove()
-        target = Leaf(token.NAME, u"__metaclass__")
-        equal = Leaf(token.EQUAL, u"=", prefix=u" ")
-        # meta is the last item in what was returned by has_metaclass(): name
-        name = meta
-        name.prefix = u" "
-        stmt_node = Node(syms.atom, [target, equal, name])
-
-        suitify(node)
-        for item in node.children:
-            if item.type == syms.suite:
-                for stmt in item.children:
-                    if stmt.type == token.INDENT:
-                        # Insert, in reverse order, the statement, a newline,
-                        # and an indent right after the first indented line
-                        loc = item.children.index(stmt) + 1
-                        # Keep consistent indentation form
-                        ident = Leaf(token.INDENT, stmt.value)
-                        item.insert_child(loc, ident)
-                        item.insert_child(loc, Newline())
-                        item.insert_child(loc, stmt_node)
-                        break