Merge pull request #63 from MrMino/ast-trace-filename

On AST parsing errors, show the path to the file which triggered it.

Author: adamtheturtle

CHANGELOG.rst

@@ -2,6 +2,10 @@
 Release History
 ---------------
 
+2.2.2
+- AST parsing failures will now report tracebacks with a proper filename for
+  the parsed frame, instead of `<unknown>`.
+
 2.2.1
 - Python source is now always read using utf-8, even if default encoding for
   reading files is set otherwise.

pip_check_reqs/__init__.py

@@ -1 +1 @@
-__version__ = '2.2.1'
+__version__ = '2.2.2'

pip_check_reqs/common.py

@@ -122,7 +122,7 @@ def find_imported_modules(options):
             with open(filename, encoding='utf-8') as f:
                 content = f.read()
             vis.set_location(filename)
-            vis.visit(ast.parse(content))
+            vis.visit(ast.parse(content, filename))
     return vis.finalise()