pep8

app/models.py

@@ -4,51 +4,55 @@ import random
 
 
 class Link(models.Model):
-  id = models.CharField(primary_key=True, max_length=12)
-  url = models.URLField(max_length=2048)
-  created_at = models.DateTimeField(auto_now_add=True)
-  clicks = models.IntegerField(default=0)
-  ip = models.GenericIPAddressField(null=True)
+    id = models.CharField(primary_key=True, max_length=12)
+    url = models.URLField(max_length=2048)
+    created_at = models.DateTimeField(auto_now_add=True)
+    clicks = models.IntegerField(default=0)
+    ip = models.GenericIPAddressField(null=True)
 
-  def __unicode__(self):
-    return self.url
+    def __unicode__(self):
+        return self.url
 
-  def generate_unique_id(self, length=8):
-    attempts = 0
-    id = random_id(length)
-    try:
-      while Link.objects.get(id=id) and attempts < 10:
-        attempts = attempts + 1
-        id = random_id()
-    except:
-      pass
-    return id
-    
-  def save(self, *args, **kwargs):
-    if not self.pk:
-      self.id = self.generate_unique_id()
-    super(Link, self).save(*args, **kwargs)
+    def generate_unique_id(self, length=8):
+        attempts = 0
+        id = random_id(length)
+        try:
+            while Link.objects.get(id=id) and attempts < 10:
+                attempts = attempts + 1
+                id = random_id()
+        except:
+            pass
+        return id
+
+    def save(self, *args, **kwargs):
+        if not self.pk:
+            self.id = self.generate_unique_id()
+        super(Link, self).save(*args, **kwargs)
 
 
 class LinkForm(ModelForm):
-  url = CharField(widget=TextInput(attrs={'class':'u-full-width', 'placeholder': 'Paste the link you want to shorten'}), label='')
-  class Meta:
-    model = Link
-    fields = ['url']
-      
+    url = CharField(widget=TextInput(attrs={
+                    'class': 'u-full-width',
+                    'placeholder': 'Paste the link you want to shorten'}),
+                    label='')
+
+    class Meta:
+        model = Link
+        fields = ['url']
+
 
 def random_id(length):
-  rand = ''
-  for i in range(0,length):
-    rand += int_to_char(random.randint(0,61));
-  return rand;
+    rand = ''
+    for i in range(0, length):
+        rand += int_to_char(random.randint(0, 61))
+    return rand
 
 
 def int_to_char(int):
-  if(int < 10):
-    char = chr(int + 48)
-  elif(int < 36):
-    char = chr(int + 55)
-  else:
-    char = chr(int + 61)
-  return char
+    if(int < 10):
+        char = chr(int + 48)
+    elif(int < 36):
+        char = chr(int + 55)
+    else:
+        char = chr(int + 61)
+    return char