Make boilerplate.py Python 3 compatible

Author: mdboom

boilerplate.py

@@ -3,9 +3,9 @@
 
 When this script is run, the current contents of pyplot are
 split into generatable and non-generatable content (via the magic header
-:attr:`PYPLOT_MAGIC_HEADER`) and the generatable content is overwritten. 
+:attr:`PYPLOT_MAGIC_HEADER`) and the generatable content is overwritten.
 Hence, the non-generatable content should be edited in the pyplot.py file
-itself, whereas the generatable content must be edited via templates in 
+itself, whereas the generatable content must be edited via templates in
 this file.
 
 """
@@ -30,7 +30,7 @@
 # appended
 PYPLOT_MAGIC_HEADER = '################# REMAINING CONTENT GENERATED BY boilerplate.py ##############\n'
 
-PYPLOT_PATH = os.path.join(os.path.dirname(__file__), 'lib', 
+PYPLOT_PATH = os.path.join(os.path.dirname(__file__), 'lib',
                                'matplotlib', 'pyplot.py')
 
 
@@ -87,7 +87,7 @@ def {name}():
 
 def boilerplate_gen():
     """Generator of lines for the automated part of pyplot."""
-    
+
     # these methods are all simple wrappers of Axes methods by the same
     # name.
     _plotcommands = (
@@ -140,7 +140,7 @@ def boilerplate_gen():
         'xcorr',
         'barbs',
         )
-    
+
     _misccommands = (
         'cla',
         'grid',
@@ -154,7 +154,7 @@ def boilerplate_gen():
         'margins',
         'autoscale',
         )
-    
+
     cmappable = {
         'contour' : 'if %(ret)s._A is not None: sci(%(ret)s)',
         'contourf': 'if %(ret)s._A is not None: sci(%(ret)s)',
@@ -171,24 +171,24 @@ def boilerplate_gen():
         'tricontour' : 'if %(ret)s._A is not None: sci(%(ret)s)',
         'tricontourf': 'if %(ret)s._A is not None: sci(%(ret)s)',
         'tripcolor'  : 'sci(%(ret)s)',
-    
+
     }
-    
+
     def format_value(value):
         """
         Format function default values as needed for inspect.formatargspec.
         The interesting part is a hard-coded list of functions used
         as defaults in pyplot methods.
         """
         if isinstance(value, types.FunctionType):
-            if value.func_name in ('detrend_none', 'window_hanning'):
-                return '=mlab.' + value.func_name
-            if value.func_name == 'mean':
-                return '=np.' + value.func_name
+            if value.__name__ in ('detrend_none', 'window_hanning'):
+                return '=mlab.' + value.__name__
+            if value.__name__ == 'mean':
+                return '=np.' + value.__name__
             raise ValueError(('default value %s unknown to boilerplate.' + \
                              'formatvalue') % value)
         return '='+repr(value)
-    
+
     for fmt, cmdlist in [(PLOT_TEMPLATE, _plotcommands),
                          (MISC_FN_TEMPLATE, _misccommands)]:
         for func in cmdlist:
@@ -198,21 +198,21 @@ def format_value(value):
                 mappable = cmappable[func] % locals()
             else:
                 mappable = ''
-    
+
             # Get argspec of wrapped function
             args, varargs, varkw, defaults = inspect.getargspec(getattr(Axes, func))
             args.pop(0) # remove 'self' argument
             if defaults is None:
                 defaults = ()
-    
+
             # How to call the wrapped function
-            call = map(str, args)
+            call = list(map(str, args))
             if varargs is not None:
                 call.append('*'+varargs)
             if varkw is not None:
                 call.append('**'+varkw)
             call = ', '.join(call)
-    
+
             # Add a hold keyword argument if needed (fmt is PLOT_TEMPLATE) and
             # possible (if *args is used, we can't just add a hold
             # argument in front of it since it would gobble one of the
@@ -223,12 +223,12 @@ def format_value(value):
                 args.append('hold')
                 defaults = defaults + (None,)
                 sethold = ''
-    
+
             # Now we can build the argspec for defining the wrapper
             argspec = inspect.formatargspec(args, varargs, varkw, defaults,
                                             formatvalue=format_value)
             argspec = argspec[1:-1] # remove parens
-    
+
             # A gensym-like facility in case some function takes an
             # argument named washold, ax, or ret
             washold, ret, ax = 'washold', 'ret', 'ax'
@@ -237,16 +237,16 @@ def format_value(value):
                 washold = 'washold' + str(random.randrange(10**12))
                 ret = 'ret' + str(random.randrange(10**12))
                 ax = 'ax' + str(random.randrange(10**12))
-    
+
             # Since we can't avoid using some function names,
             # bail out if they are used as argument names
             for reserved in ('gca', 'gci', 'draw_if_interactive'):
                 if reserved in bad:
                     msg = 'Axes method %s has kwarg named %s' % (func, reserved)
                     raise ValueError(msg)
-    
+
             yield fmt % locals()
-        
+
     cmaps = (
         'autumn',
         'bone',
@@ -270,24 +270,24 @@ def format_value(value):
 
 
 def build_pyplot():
-    pyplot_path = os.path.join(os.path.dirname(__file__), 'lib', 
+    pyplot_path = os.path.join(os.path.dirname(__file__), 'lib',
                                'matplotlib', 'pyplot.py')
-    
+
     pyplot_orig = open(pyplot_path, 'r').readlines()
-    
-    
+
+
     try:
         pyplot_orig = pyplot_orig[:pyplot_orig.index(PYPLOT_MAGIC_HEADER)+1]
     except IndexError:
         raise ValueError('The pyplot.py file *must* have the exact line: %s' % PYPLOT_MAGIC_HEADER)
-        
+
     pyplot = open(pyplot_path, 'w')
     pyplot.writelines(pyplot_orig)
     pyplot.write('\n')
-    
+
     pyplot.writelines(boilerplate_gen())
 
 
-if __name__ == '__main__':    
+if __name__ == '__main__':
     # Write the matplotlib.pyplot file
-    build_pyplot()
+    build_pyplot()