Apply isort & flake8 (#312)

* Update isort settings
* Apply import sorting (isort) on all files in nyaa/
* Fixed Flake8 errors in nyaa/ (see PR for list)
* Add isort to lint.sh and requirements.txt

lint.sh

@@ -1,6 +1,7 @@
 # Lint checker/fixer
 
 check_paths="nyaa/ utils/"
+isort_paths="nyaa/" # just nyaa/ for now
 max_line_length=100
 
 function auto_pep8() {
@@ -9,14 +10,21 @@ function auto_pep8() {
     --in-place \
     --pep8-passes 2000 \
     --max-line-length ${max_line_length} \
-    --verbose
+    --verbose \
+  && \
+  isort ${isort_paths}
 }
 
 function check_lint() {
   pycodestyle ${check_paths} \
     --show-source \
     --max-line-length=${max_line_length} \
-    --format '%(path)s [%(row)s:%(col)s] %(code)s: %(text)s'
+    --format '%(path)s [%(row)s:%(col)s] %(code)s: %(text)s' \
+  && \
+  isort ${isort_paths} \
+    --recursive \
+    --diff \
+    --check-only
 }
 
 # MAIN

nyaa/__init__.py

@@ -1,11 +1,12 @@
-import os
 import logging
-import flask
+import os
-from flask_sqlalchemy import SQLAlchemy
-from flask_assets import Environment, Bundle
-from flask_debugtoolbar import DebugToolbarExtension
-from nyaa import fix_paginate
 
+import flask
+from flask_assets import Bundle, Environment  # noqa F401
+from flask_debugtoolbar import DebugToolbarExtension
+from flask_sqlalchemy import SQLAlchemy
+
+from nyaa import fix_paginate  # noqa F401
 
 app = flask.Flask(__name__)
 app.config.from_object('config')
@@ -70,4 +71,4 @@ assets = Environment(app)
 #             output='style.css', depends='**/*.scss')
 # assets.register('style_all', css)
 
-from nyaa import routes  # noqa E402
+from nyaa import routes  # noqa E402 isort:skip

nyaa/api_handler.py

@@ -1,19 +1,13 @@
-import flask
+import binascii
-from werkzeug.datastructures import ImmutableMultiDict, CombinedMultiDict
-
-from nyaa import app, db
-from nyaa import models, forms
-from nyaa import bencode, backend, utils
-from nyaa import torrents
-
-from nyaa.views.torrents import _create_upload_category_choices
-
 import functools
 import json
 import os.path
 import re
 
-import binascii
+import flask
+
+from nyaa import backend, bencode, db, forms, models, utils
+from nyaa.views.torrents import _create_upload_category_choices
 
 api_blueprint = flask.Blueprint('api', __name__)
 
@@ -124,7 +118,7 @@ def v2_api_upload():
 
 # #################################### TEMPORARY ####################################
 
-from orderedset import OrderedSet  # noqa: E402
+from orderedset import OrderedSet  # noqa: E402 isort:skip
 
 
 @api_blueprint.route('/ghetto_import', methods=['POST'])
@@ -146,7 +140,7 @@ def ghetto_import():
         return 'Malformed torrent metadata ({})'.format(e.args[0]), 500
 
     try:
-        tracker_found = forms._validate_trackers(torrent_dict)
+        tracker_found = forms._validate_trackers(torrent_dict)  # noqa F841
     except AssertionError as e:
         return 'Malformed torrent trackers ({})'.format(e.args[0]), 500
 

nyaa/backend.py

@@ -1,16 +1,14 @@
-import flask
-from nyaa import app, db
-from nyaa import models, forms
-from nyaa import bencode, utils
-
-import os
-
 import json
-from werkzeug import secure_filename
+import os
-from collections import OrderedDict
-from orderedset import OrderedSet
 from ipaddress import ip_address
 
+import flask
+from werkzeug import secure_filename
+
+from orderedset import OrderedSet
+
+from nyaa import app, db, models, utils
+
 
 @utils.cached_function
 def get_category_id_map():

nyaa/fix_paginate.py

@@ -1,6 +1,5 @@
-import sqlalchemy
-from flask_sqlalchemy import Pagination, BaseQuery
 from flask import abort
+from flask_sqlalchemy import BaseQuery, Pagination
 
 
 def paginate_faste(self, page=1, per_page=50, max_page=None, step=5, count_query=None):

nyaa/forms.py

@@ -1,25 +1,21 @@
-import flask
+import functools
-from nyaa import db, app
-from nyaa.models import User
-from nyaa import bencode, utils, models
-
 import os
 import re
-import functools
+
+import flask
 from flask_wtf import FlaskForm
 from flask_wtf.file import FileField, FileRequired
-from wtforms import StringField, PasswordField, BooleanField, TextAreaField, SelectField,\
-    HiddenField
-from wtforms.validators import DataRequired, Optional, Email, Length, EqualTo, ValidationError,\
-    StopValidation
-from wtforms.validators import Regexp
-
-# For DisabledSelectField
-from wtforms.widgets import Select as SelectWidget
-from wtforms.widgets import html_params, HTMLString
-
 from flask_wtf.recaptcha import RecaptchaField
 from flask_wtf.recaptcha.validators import Recaptcha as RecaptchaValidator
+from wtforms import (BooleanField, HiddenField, PasswordField, SelectField, StringField,
+                     TextAreaField)
+from wtforms.validators import (DataRequired, Email, EqualTo, Length, Optional, Regexp,
+                                StopValidation, ValidationError)
+from wtforms.widgets import Select as SelectWidget  # For DisabledSelectField
+from wtforms.widgets import HTMLString, html_params  # For DisabledSelectField
+
+from nyaa import app, bencode, models, utils
+from nyaa.models import User
 
 
 class Unique(object):

nyaa/models.py

@@ -1,23 +1,23 @@
-import flask
+import base64
+import re
+from datetime import datetime
 from enum import Enum, IntEnum
-from datetime import datetime, timezone
+from hashlib import md5
+from ipaddress import ip_address
+from urllib.parse import unquote as unquote_url
+from urllib.parse import urlencode
+
+import flask
+from markupsafe import escape as escape_markup
+
+from sqlalchemy import ForeignKeyConstraint, Index
+from sqlalchemy.ext import declarative
+from sqlalchemy_fulltext import FullText
+from sqlalchemy_utils import ChoiceType, EmailType, PasswordType
+
 from nyaa import app, db
 from nyaa.torrents import create_magnet
 
-from sqlalchemy import func, ForeignKeyConstraint, Index
-from sqlalchemy.ext import declarative
-from sqlalchemy_utils import ChoiceType, EmailType, PasswordType
-from sqlalchemy_fulltext import FullText
-
-from werkzeug.security import generate_password_hash, check_password_hash
-from ipaddress import ip_address
-
-import re
-import base64
-from markupsafe import escape as escape_markup
-from urllib.parse import urlencode, unquote as unquote_url
-from hashlib import md5
-
 if app.config['USE_MYSQL']:
     from sqlalchemy.dialects import mysql
     BinaryType = mysql.BINARY

nyaa/search.py

@@ -1,17 +1,16 @@
-import flask
-import re
 import math
-import json
+import re
 import shlex
 
-from nyaa import app, db
+import flask
-from nyaa import models
 
 import sqlalchemy
 import sqlalchemy_fulltext.modes as FullTextMode
-from sqlalchemy_fulltext import FullTextSearch
 from elasticsearch import Elasticsearch
-from elasticsearch_dsl import Search, Q
+from elasticsearch_dsl import Q, Search
+from sqlalchemy_fulltext import FullTextSearch
+
+from nyaa import app, db, models
 
 DEFAULT_MAX_SEARCH_RESULT = 1000
 DEFAULT_PER_PAGE = 75

nyaa/torrents.py

@@ -1,13 +1,11 @@
-import os
 import base64
+import os
 import time
 from urllib.parse import urlencode
-from orderedset import OrderedSet
-from nyaa import app
 
-from nyaa import bencode
+from orderedset import OrderedSet
-from nyaa import app
+
-from nyaa import models
+from nyaa import app, bencode
 
 USED_TRACKERS = OrderedSet()
 

nyaa/utils.py

@@ -1,5 +1,5 @@
-import hashlib
 import functools
+import hashlib
 from collections import OrderedDict
 
 

nyaa/views/__init__.py

@@ -1,4 +1,4 @@
-from nyaa.views import (
+from nyaa.views import (  # isort:skip
     account,
     admin,
     main,

requirements.txt

@@ -19,6 +19,7 @@ Flask-WTF==0.14.2
 gevent==1.2.1
 greenlet==0.4.12
 itsdangerous==0.24
+isort==4.2.15
 Jinja2==2.9.6
 libsass==0.12.3
 Mako==1.0.6

setup.cfg

@@ -1,6 +1,12 @@
 [isort]
 line_length = 100
+not_skip = __init__.py
 default_section = THIRDPARTY
 known_first_party = nyaa
-known_flask = flask, flask_wtf, flask_paginate, jinja2, werkzeug
+known_flask =
+	flask*,
+	jinja2,
+	markupsafe,
+	werkzeug,
+	wtforms
 sections = STDLIB,FLASK,THIRDPARTY,FIRSTPARTY,LOCALFOLDER