add pybeautifier

package.json

@@ -114,6 +114,10 @@
     {
       "name": "Victor Uriarte",
       "url": "https://github.com/vmuriart"
+    },
+    {
+      "name": "guyskk",
+      "url": "https://github.com/guyskk"
     }
   ],
   "engines": {
@@ -288,6 +292,7 @@
     "clojure beautifier",
     "nunjucks",
     "ux markup",
+    "pybeautifier",
     "cljfmt"
   ],
   "devDependencies": {

src/beautifiers/index.coffee

@@ -57,6 +57,7 @@ module.exports = class Beautifiers extends EventEmitter
     'php-cs-fixer'
     'phpcbf'
     'prettydiff'
+    'pybeautifier'
     'pug-beautify'
     'puppet-fix'
     'remark'

src/beautifiers/pybeautifier.coffee

@@ -0,0 +1,66 @@
+'use strict'
+net = require('net')
+Beautifier = require('./beautifier')
+
+HOST = '127.0.0.1'
+PORT = 36805
+MULTI_LINE_OUTPUT_TABLE = {
+  'Grid': 0,
+  'Vertical': 1,
+  'Hanging Indent': 2,
+  'Vertical Hanging Indent': 3,
+  'Hanging Grid': 4,
+  'Hanging Grid Grouped': 5,
+  'NOQA': 6
+}
+
+format = (data, formaters) ->
+  return new Promise (resolve, reject) ->
+    client = new net.Socket()
+    client.on 'error', (error) ->
+      client.destroy()
+      reject(error)
+    client.connect PORT, HOST, ->
+      client.setEncoding('utf8')
+      client.write(JSON.stringify({'data': data, 'formaters': formaters}))
+      response = ''
+      client.on 'data', (chunk) ->
+        response += chunk
+      client.on 'end', ->
+        response = JSON.parse(response)
+        if response.error?
+          reject(Error(response.error))
+        else
+          resolve(response.data)
+        client.destroy()
+
+module.exports = class PythonBeautifier extends Beautifier
+
+  name: "pybeautifier"
+  link: "https://github.com/guyskk/pybeautifier"
+
+  options: {
+    Python: true
+  }
+
+  beautify: (text, language, options) ->
+    formater = {'name': options.formater}
+    if options.formater == 'autopep8'
+      formater.config = {
+        'ignore': options.ignore
+        'max_line_length': options.max_line_length
+      }
+    else if options.formater == 'yapf'
+      formater.config = {'style_config': options.style_config}
+    formaters = [formater]
+    if options.sort_imports
+      multi_line_output = MULTI_LINE_OUTPUT_TABLE[options.multi_line_output]
+      formaters.push
+        'name': 'isort'
+        'config': {'multi_line_output': multi_line_output}
+    return new @Promise (resolve, reject) ->
+      format(text, formaters)
+      .then (data) ->
+        resolve(data)
+      .catch (error) ->
+        reject(error)

src/languages/python.coffee

@@ -41,9 +41,30 @@ module.exports = {
       items:
         type: 'string'
       description: "do not fix these errors/warnings"
+    formater:
+      type: 'string'
+      default: 'autopep8'
+      enum: ['autopep8', 'yapf']
+      description: "formater used by pybeautifier"
+    style_config:
+      type: 'string'
+      default: 'pep8'
+      description: "formatting style used by yapf"
     sort_imports:
       type: 'boolean'
       default: false
       description: "sort imports (requires isort installed)"
-
+    multi_line_output:
+      type: 'string'
+      default: 'Hanging Grid Grouped'
+      enum: [
+        'Grid'
+        'Vertical'
+        'Hanging Indent'
+        'Vertical Hanging Indent'
+        'Hanging Grid'
+        'Hanging Grid Grouped'
+        'NOQA'
+      ]
+      description: "defines how from imports wrap (requires isort installed)"
 }