1 files changed, 47 insertions, 47 deletions
diff --git a/grc/python/extract_docs.py b/grc/python/extract_docs.py
index 1d1c738dcc..b3b87e64ca 100644
--- a/grc/python/extract_docs.py
+++ b/grc/python/extract_docs.py
@@ -20,55 +20,55 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 import re
 
 def _extract(key):
-	"""
-	Extract the documentation from the python __doc__ strings.
-	If multiple modules match, combine the docs.
-	
-	Args:
-	    key: the block key
-	
-	Returns:
-	    a string with documentation
-	"""
-	#extract matches
-	try:
-		module_name, constructor_name = key.split('_', 1)
-		module = __import__('gnuradio.'+module_name)
-		module = getattr(module, module_name)
-        except ImportError:
-                try:
-                        module_name, constructor_name = key.split('_', 1)
-                        module = __import__(module_name)
-                except: return ''
-	except:
-                return ''
-	pattern = constructor_name.replace('_', '_*').replace('x', '\w')
-	pattern_matcher = re.compile('^%s\w*$'%pattern)
-	matches = filter(lambda x: pattern_matcher.match(x), dir(module))
-	#combine all matches
-	doc_strs = list()
-	for match in matches:
-		try:
-			title = '   ---   ' + match + '   ---   '
-			doc_strs.append('\n\n'.join([title, getattr(module, match).__doc__]).strip())
-		except: pass
-	return '\n\n'.join(doc_strs)
+    """
+    Extract the documentation from the python __doc__ strings.
+    If multiple modules match, combine the docs.
+    
+    Args:
+        key: the block key
+    
+    Returns:
+        a string with documentation
+    """
+    #extract matches
+    try:
+        module_name, constructor_name = key.split('_', 1)
+        module = __import__('gnuradio.'+module_name)
+        module = getattr(module, module_name)
+    except ImportError:
+            try:
+                    module_name, constructor_name = key.split('_', 1)
+                    module = __import__(module_name)
+            except: return ''
+    except:
+            return ''
+    pattern = constructor_name.replace('_', '_*').replace('x', '\w')
+    pattern_matcher = re.compile('^%s\w*$'%pattern)
+    matches = filter(lambda x: pattern_matcher.match(x), dir(module))
+    #combine all matches
+    doc_strs = list()
+    for match in matches:
+        try:
+            title = '   ---   ' + match + '   ---   '
+            doc_strs.append('\n\n'.join([title, getattr(module, match).__doc__]).strip())
+        except: pass
+    return '\n\n'.join(doc_strs)
 
 _docs_cache = dict()
 def extract(key):
-	"""
-	Call the private extract and cache the result.
-	
-	Args:
-	    key: the block key
-	
-	Returns:
-	    a string with documentation
-	"""
-	if not _docs_cache.has_key(key):
-		_docs_cache[key] = _extract(key)
-	return _docs_cache[key]
+    """
+    Call the private extract and cache the result.
+    
+    Args:
+        key: the block key
+    
+    Returns:
+        a string with documentation
+    """
+    if not _docs_cache.has_key(key):
+        _docs_cache[key] = _extract(key)
+    return _docs_cache[key]
 
 if __name__ == '__main__':
-	import sys
-	print extract(sys.argv[1])
+    import sys
+    print extract(sys.argv[1])