no wildcard support

[piyu7274]

raceback (most recent call last):
File "tools/grumpc", line 118, in
sys.exit(main(parser.parse_args()))
File "tools/grumpc", line 76, in main
visitor.visit(mod)
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/pythonparser/algorithm.py", line 41, in visit
return self._visit_one(obj)
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/pythonparser/algorithm.py", line 32, in _visit_one
return getattr(self, visit_attr)(node)
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/compiler/stmt.py", line 320, in visit_Module
self._visit_each(node.body)
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/compiler/stmt.py", line 734, in _visit_each
self.visit(node)
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/pythonparser/algorithm.py", line 41, in visit
return self._visit_one(obj)
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/pythonparser/algorithm.py", line 32, in _visit_one
return getattr(self, visit_attr)(node)
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/compiler/stmt.py", line 296, in visit_ImportFrom
for imp in self.block.root.importer.visit(node):
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/pythonparser/algorithm.py", line 41, in visit
return self._visit_one(obj)
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/pythonparser/algorithm.py", line 32, in _visit_one
return getattr(self, visit_attr)(node)
File "/home/avdhesh/grumpy/build/lib/python2.7/site-packages/grumpy/compiler/imputil.py", line 102, in visit_ImportFrom
raise util.ImportError(node, msg)
grumpy.compiler.util.ImportError: line 1: wildcard member import is not implemented: from ExtractMsg import *

[aisk]

Yes this is a known issue if you take a look at the error message, or the wiki: https://github.com/google/grumpy/wiki/Missing-features#language-features

[trotterdylan]

There was some work done around this in #263

The PR is a bit stale, but it's a good starting point for implementing wildcard imports.