Add ignore__init option

README.rst

@@ -135,6 +135,15 @@ excptions add to docstring.
       """
       raise Exception('foo')
 
+Ignore generate __init__ docstring
+----------------------------------
+
+If you want ignore to generate `__init__` docstring, you can set like following.
+
+.. code::
+
+  let g:pydocstring_ignore_init = 1
+
 Thanks
 ------
 

autoload/pydocstring.vim

@@ -15,6 +15,7 @@ let g:pydocstring_doq_path = get(
   \ 'pydocstring_doq_path',
   \ printf('%s/lib/doq', expand('<sfile>:p:h:h'))
   \ )
+let g:pydocstring_ignore_init = get(g:, 'pydocstring_ignore_init', 0)
 
 let s:results = []
 
@@ -180,6 +181,8 @@ endfunction
 function! pydocstring#format() abort
   let lines = printf("%s\n", join(getbufline(bufnr('%'), 1, '$'), "\n"))
   let cmd = s:create_cmd('string', '')
+  let cmd = g:pydocstring_ignore_init ? printf('%s --ignore_init', cmd) : cmd
+
   let indent = s:get_indent_width()
   let end_lineno = line('.')
   call s:execute(

doc/pydocstring.txt

@@ -204,5 +204,10 @@ g:pydocstring_enable_mapping			*g:pydocstring_enable_mapping*
 
 		Default value is '1'
 
+g:pydocstring_ignore_init			*g:pydocstring_ignore_init*
+		Ignore to generate __init__ method docstring.
+		This option only available at `:PydocstringFormat`
+		Default value is '0'
+
 ==============================================================================
 vim:tw=78:ts=8:ft=help:norl:noet:fen:fdl=0:

tests/format.vader

@@ -76,3 +76,42 @@ Expect python:
             :param arg2:
             """
             pass
+
+Given python (Ignore __init__):
+    class Foo:
+        def __init__(self, arg1):
+            pass
+
+        def foo(arg1):
+            pass
+
+        def bar(arg1, arg2):
+            pass
+
+
+Execute:
+    :let g:pydocstring_ignore_init = 1
+    :PydocstringFormat
+    :sleep 1
+
+Expect python:
+    class Foo:
+        """Foo."""
+
+        def __init__(self, arg1):
+            pass
+
+        def foo(arg1):
+            """foo.
+
+            :param arg1:
+            """
+            pass
+
+        def bar(arg1, arg2):
+            """bar.
+
+            :param arg1:
+            :param arg2:
+            """
+            pass