python, hg: tow outside the environment.

they've served us well, and can ride off into the sunset.

1 files changed, 0 insertions, 73 deletions

diff --git a/sys/lib/python/compiler/future.py b/sys/lib/python/compiler/future.py
deleted file mode 100644
index fef189e9e..000000000
--- a/sys/lib/python/compiler/future.py
+++ /dev/null
@@ -1,73 +0,0 @@
-"""Parser for future statements
-
-"""
-
-from compiler import ast, walk
-
-def is_future(stmt):
-    """Return true if statement is a well-formed future statement"""
-    if not isinstance(stmt, ast.From):
-        return 0
-    if stmt.modname == "__future__":
-        return 1
-    else:
-        return 0
-
-class FutureParser:
-
-    features = ("nested_scopes", "generators", "division",
-                "absolute_import", "with_statement")
-
-    def __init__(self):
-        self.found = {} # set
-
-    def visitModule(self, node):
-        stmt = node.node
-        for s in stmt.nodes:
-            if not self.check_stmt(s):
-                break
-
-    def check_stmt(self, stmt):
-        if is_future(stmt):
-            for name, asname in stmt.names:
-                if name in self.features:
-                    self.found[name] = 1
-                else:
-                    raise SyntaxError, \
-                          "future feature %s is not defined" % name
-            stmt.valid_future = 1
-            return 1
-        return 0
-
-    def get_features(self):
-        """Return list of features enabled by future statements"""
-        return self.found.keys()
-
-class BadFutureParser:
-    """Check for invalid future statements"""
-
-    def visitFrom(self, node):
-        if hasattr(node, 'valid_future'):
-            return
-        if node.modname != "__future__":
-            return
-        raise SyntaxError, "invalid future statement " + repr(node)
-
-def find_futures(node):
-    p1 = FutureParser()
-    p2 = BadFutureParser()
-    walk(node, p1)
-    walk(node, p2)
-    return p1.get_features()
-
-if __name__ == "__main__":
-    import sys
-    from compiler import parseFile, walk
-
-    for file in sys.argv[1:]:
-        print file
-        tree = parseFile(file)
-        v = FutureParser()
-        walk(tree, v)
-        print v.found
-        print