patman: Rename the main module

Python does not like the module name being the same as the module
directory. To allow patman modules to be used from other tools, rename
it.

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/patman/main.py

@@ -12,19 +12,20 @@ import re
 import sys
 import unittest
 
+if __name__ == "__main__":
+    # Allow 'from patman import xxx to work'
+    our_path = os.path.dirname(os.path.realpath(__file__))
+    sys.path.append(os.path.join(our_path, '..'))
+
 # Our modules
-try:
-    from patman import checkpatch, command, gitutil, patchstream, \
-        project, settings, terminal, test
-except ImportError:
-    import checkpatch
-    import command
-    import gitutil
-    import patchstream
-    import project
-    import settings
-    import terminal
-    import test
+from patman import checkpatch
+from patman import command
+from patman import gitutil
+from patman import patchstream
+from patman import project
+from patman import settings
+from patman import terminal
+from patman import test
 
 
 parser = OptionParser()
@@ -85,7 +86,7 @@ if __name__ != "__main__":
 # Run our meagre tests
 elif options.test:
     import doctest
-    import func_test
+    from patman import func_test
 
     sys.argv = [sys.argv[0]]
     result = unittest.TestResult()

tools/patman/patman

@@ -1 +1 @@
-patman.py
+main.py