flake8

utils/api/__init__.py

@@ -1,2 +1,2 @@
-from .api import *
-from ._serializers import *
+from .api import *  # NOQA
+from ._serializers import *  # NOQA

utils/api/_serializers.py

@@ -18,4 +18,4 @@ class DateTimeTZField(serializers.DateTimeField):
 
 
 class IDOnlySerializer(serializers.Serializer):
-    id = serializers.IntegerField()
+    id = serializers.IntegerField()

utils/api/tests.py

@@ -30,4 +30,4 @@ class APITestCase(TestCase):
         self.assertTrue(response.data["error"] is None)
 
     def assertFailed(self, response):
-        self.assertTrue(response.data["error"] is not None)
+        self.assertTrue(response.data["error"] is not None)

utils/captcha/__init__.py

@@ -1,5 +1,3 @@
-# coding:utf-8
-
 """
 Copyright 2013 TY<tianyu0915@gmail.com>
 
@@ -20,6 +18,7 @@ import os
 import time
 import random
 
+from io import StringIO
 from django.http import HttpResponse
 from PIL import Image, ImageDraw, ImageFont
 
@@ -27,19 +26,19 @@ from PIL import Image, ImageDraw, ImageFont
 class Captcha(object):
 
     def __init__(self, request):
-        """   
+        """
         初始化,设置各种属性
         """
         self.django_request = request
-        self.session_key = '_django_captcha_key'
-        self.captcha_expires_time = '_django_captcha_expires_time'
+        self.session_key = "_django_captcha_key"
+        self.captcha_expires_time = "_django_captcha_expires_time"
 
         # 验证码图片尺寸
         self.img_width = 90
         self.img_height = 30
 
     def _get_font_size(self, code):
-        """  
+        """
         将图片高度的80%作为字体大小
         """
         s1 = int(self.img_height * 0.8)
@@ -47,7 +46,7 @@ class Captcha(object):
         return int(min((s1, s2)) + max((s1, s2)) * 0.05)
 
     def _set_answer(self, answer):
-        """  
+        """
         设置答案和过期时间
         """
         self.django_request.session[self.session_key] = str(answer)
@@ -57,7 +56,7 @@ class Captcha(object):
         """
         生成随机数或随机字符串
         """
-        string = random.sample('abcdefghkmnpqrstuvwxyzABCDEFGHGKMNOPQRSTUVWXYZ23456789', 4)
+        string = random.sample("abcdefghkmnpqrstuvwxyzABCDEFGHGKMNOPQRSTUVWXYZ23456789", 4)
         self._set_answer("".join(string))
         return string
 
@@ -68,9 +67,9 @@ class Captcha(object):
         background = (random.randrange(200, 255), random.randrange(200, 255), random.randrange(200, 255))
         code_color = (random.randrange(0, 50), random.randrange(0, 50), random.randrange(0, 50), 255)
 
-        font_path = os.path.join(os.path.normpath(os.path.dirname(__file__)), 'timesbi.ttf')
+        font_path = os.path.join(os.path.normpath(os.path.dirname(__file__)), "timesbi.ttf")
 
-        image = Image.new('RGB', (self.img_width, self.img_height), background)
+        image = Image.new("RGB", (self.img_width, self.img_height), background)
         code = self._make_code()
         font_size = self._get_font_size(code)
         draw = ImageDraw.Draw(image)
@@ -82,22 +81,22 @@ class Captcha(object):
             # 字符y坐标
             y = random.randrange(1, 7)
             # 随机字符大小
-            font = ImageFont.truetype(font_path.replace('\\', '/'), font_size + random.randrange(-3, 7))
+            font = ImageFont.truetype(font_path.replace("\\", "/"), font_size + random.randrange(-3, 7))
             draw.text((x, y), i, font=font, fill=code_color)
             # 随机化字符之间的距离 字符粘连可以降低识别率
             x += font_size * random.randrange(6, 8) / 10
 
-        buf = StringIO.StringIO()
-        image.save(buf, 'gif')
+        buf = StringIO()
+        image.save(buf, "gif")
 
         self.django_request.session[self.session_key] = "".join(code)
-        return HttpResponse(buf.getvalue(), 'image/gif')
+        return HttpResponse(buf.getvalue(), "image/gif")
 
     def check(self, code):
         """
         检查用户输入的验证码是否正确
         """
-        _code = self.django_request.session.get(self.session_key) or ''
+        _code = self.django_request.session.get(self.session_key) or ""
         if not _code:
             return False
         expires_time = self.django_request.session.get(self.captcha_expires_time) or 0

utils/models.py

@@ -1,5 +1,3 @@
-# coding=utf-8
-import json
 from django.db import models
 
 from utils.xss_filter import XssHtml
@@ -15,7 +13,3 @@ class RichTextField(models.TextField):
         parser.feed(value)
         parser.close()
         return parser.getHtml()
-
-
-class JsonField(models.TextField):
-    pass