PEP8 fixes for docscrape.py

Author: raghavrv

numpydoc/docscrape.py

@@ -24,18 +24,18 @@ def __init__(self, data):
            String with lines separated by '\n'.
 
         """
-        if isinstance(data,list):
+        if isinstance(data, list):
             self._str = data
         else:
-            self._str = data.split('\n') # store string as list of lines
+            self._str = data.split('\n')  # store string as list of lines
 
         self.reset()
 
     def __getitem__(self, n):
         return self._str[n]
 
     def reset(self):
-        self._l = 0 # current line nr
+        self._l = 0  # current line nr
 
     def read(self):
         if not self.eof():
@@ -67,16 +67,18 @@ def read_to_condition(self, condition_func):
 
     def read_to_next_empty_line(self):
         self.seek_next_non_empty_line()
+
         def is_empty(line):
             return not line.strip()
+
         return self.read_to_condition(is_empty)
 
     def read_to_next_unindented_line(self):
         def is_unindented(line):
             return (line.strip() and (len(line.lstrip()) == len(line)))
         return self.read_to_condition(is_unindented)
 
-    def peek(self,n=0):
+    def peek(self, n=0):
         if self._l + n < len(self._str):
             return self[self._l + n]
         else:
@@ -139,25 +141,27 @@ def _is_at_section(self):
         if l1.startswith('.. index::'):
             return True
 
-        l2 = self._doc.peek(1).strip() #    ---------- or ==========
+        l2 = self._doc.peek(1).strip()  # ---------- or ==========
         return l2.startswith('-'*len(l1)) or l2.startswith('='*len(l1))
 
-    def _strip(self,doc):
+    def _strip(self, doc):
         i = 0
         j = 0
-        for i,line in enumerate(doc):
-            if line.strip(): break
+        for i, line in enumerate(doc):
+            if line.strip():
+                break
 
-        for j,line in enumerate(doc[::-1]):
-            if line.strip(): break
+        for j, line in enumerate(doc[::-1]):
+            if line.strip():
+                break
 
         return doc[i:len(doc)-j]
 
     def _read_to_next_section(self):
         section = self._doc.read_to_next_empty_line()
 
         while not self._is_at_section() and not self._doc.eof():
-            if not self._doc.peek(-1).strip(): # previous line was empty
+            if not self._doc.peek(-1).strip():  # previous line was empty
                 section += ['']
 
             section += self._doc.read_to_next_empty_line()
@@ -169,14 +173,14 @@ def _read_sections(self):
             data = self._read_to_next_section()
             name = data[0].strip()
 
-            if name.startswith('..'): # index section
+            if name.startswith('..'):  # index section
                 yield name, data[1:]
             elif len(data) < 2:
                 yield StopIteration
             else:
                 yield name, self._strip(data[2:])
 
-    def _parse_param_list(self,content):
+    def _parse_param_list(self, content):
         r = Reader(content)
         params = []
         while not r.eof():
@@ -189,13 +193,13 @@ def _parse_param_list(self,content):
             desc = r.read_to_next_unindented_line()
             desc = dedent_lines(desc)
 
-            params.append((arg_name,arg_type,desc))
+            params.append((arg_name, arg_type, desc))
 
         return params
 
-
     _name_rgx = re.compile(r"^\s*(:(?P<role>\w+):`(?P<name>[a-zA-Z0-9_.-]+)`|"
                            r" (?P<name2>[a-zA-Z0-9_.-]+))\s*", re.X)
+
     def _parse_see_also(self, content):
         """
         func_name : Descriptive text
@@ -228,7 +232,8 @@ def push_item(name, rest):
         rest = []
 
         for line in content:
-            if not line.strip(): continue
+            if not line.strip():
+                continue
 
             m = self._name_rgx.match(line)
             if m and line[m.end():].strip().startswith(':'):
@@ -307,7 +312,8 @@ def _parse(self):
 
         for (section, content) in sections:
             if not section.startswith('..'):
-                section = ' '.join([s.capitalize() for s in section.split(' ')])
+                section = (s.capitalize() for s in section.split(' '))
+                section = ' '.join(section)
             if section in ('Parameters', 'Returns', 'Yields', 'Raises',
                            'Warns', 'Other Parameters', 'Attributes',
                            'Methods'):
@@ -332,7 +338,7 @@ def _str_indent(self, doc, indent=4):
 
     def _str_signature(self):
         if self['Signature']:
-            return [self['Signature'].replace('*','\*')] + ['']
+            return [self['Signature'].replace('*', '\*')] + ['']
         else:
             return ['']
 
@@ -352,7 +358,7 @@ def _str_param_list(self, name):
         out = []
         if self[name]:
             out += self._str_header(name)
-            for param,param_type,desc in self[name]:
+            for param, param_type, desc in self[name]:
                 if param_type:
                     out += ['%s : %s' % (param, param_type)]
                 else:
@@ -370,7 +376,8 @@ def _str_section(self, name):
         return out
 
     def _str_see_also(self, func_role):
-        if not self['See Also']: return []
+        if not self['See Also']:
+            return []
         out = []
         out += self._str_header("See Also")
         last_had_desc = True
@@ -397,7 +404,7 @@ def _str_see_also(self, func_role):
     def _str_index(self):
         idx = self['index']
         out = []
-        out += ['.. index:: %s' % idx.get('default','')]
+        out += ['.. index:: %s' % idx.get('default', '')]
         for section, references in idx.items():
             if section == 'default':
                 continue
@@ -414,33 +421,35 @@ def __str__(self, func_role=''):
             out += self._str_param_list(param_list)
         out += self._str_section('Warnings')
         out += self._str_see_also(func_role)
-        for s in ('Notes','References','Examples'):
+        for s in ('Notes', 'References', 'Examples'):
             out += self._str_section(s)
         for param_list in ('Attributes', 'Methods'):
             out += self._str_param_list(param_list)
         out += self._str_index()
         return '\n'.join(out)
 
 
-def indent(str,indent=4):
+def indent(str, indent=4):
     indent_str = ' '*indent
     if str is None:
         return indent_str
     lines = str.split('\n')
     return '\n'.join(indent_str + l for l in lines)
 
+
 def dedent_lines(lines):
     """Deindent a list of lines maximally"""
     return textwrap.dedent("\n".join(lines)).split("\n")
 
+
 def header(text, style='-'):
     return text + '\n' + style*len(text) + '\n'
 
 
 class FunctionDoc(NumpyDocString):
     def __init__(self, func, role='func', doc=None, config={}):
         self._f = func
-        self._role = role # e.g. "func" or "meth"
+        self._role = role  # e.g. "func" or "meth"
 
         if doc is None:
             if func is None:
@@ -457,7 +466,7 @@ def __init__(self, func, role='func', doc=None, config={}):
                 else:
                     argspec = inspect.getargspec(func)
                 argspec = inspect.formatargspec(*argspec)
-                argspec = argspec.replace('*','\*')
+                argspec = argspec.replace('*', '\*')
                 signature = '%s%s' % (func_name, argspec)
             except TypeError as e:
                 signature = '%s()' % func_name
@@ -483,7 +492,7 @@ def __str__(self):
         if self._role:
             if self._role not in roles:
                 print("Warning: invalid role %s" % self._role)
-            out += '.. %s:: %s\n    \n\n' % (roles.get(self._role,''),
+            out += '.. %s:: %s\n    \n\n' % (roles.get(self._role, ''),
                                              func_name)
 
         out += super(FunctionDoc, self).__str__(func_role=self._role)
@@ -500,8 +509,8 @@ def __init__(self, cls, doc=None, modulename='', func_doc=FunctionDoc,
             raise ValueError("Expected a class or None, but got %r" % cls)
         self._cls = cls
 
-        self.show_inherited_members = config.get('show_inherited_class_members',
-                                                 True)
+        self.show_inherited_members = config.get(
+                    'show_inherited_class_members', True)
 
         if modulename and not modulename.endswith('.'):
             modulename += '.'