cleanup code examples in README

README.md

@@ -106,21 +106,23 @@ Depends on
           * if user doesn't have mfa then call your function to create the user session
 
    ```python
+    from mfa.helpers import has_mfa
+
     def login(request):  # this function handles the login form POST
        user = auth.authenticate(username=username, password=password)
        if user is not None:  # if the user object exist
-            from mfa.helpers import has_mfa
+            res =  has_mfa(username=username, request=request)  # has_mfa returns false or HttpResponseRedirect
-            res =  has_mfa(username = username,request=request) # has_mfa returns false or HttpResponseRedirect
             if res:
                 return res
-            return log_user_in(request,username=user.username)
+            return log_user_in(request, username=user.username)
-            #log_user_in is a function that handles creatung user session, it should be in the setting file as MFA_CALLBACK
+            # log_user_in is a function that handles creating user session, it should be in the setting file as MFA_CALLBACK
      ```
 1. Add mfa to urls.py
    ```python
    import mfa
    import mfa.TrustedDevice
-   urls_patterns= [
+
+   urls_patterns = [
        '...',
        url(r'^mfa/', include('mfa.urls')),
        url(r'devices/add$', mfa.TrustedDevice.add,name="mfa_add_new_trusted_device"),  # This short link to add new trusted device
@@ -140,40 +142,42 @@ For Example, See https://github.com/mkalioby/AutoDeploy/commit/5f1d94b1804e0aa33
 
 To be able to go passwordless for returning users, create a cookie  named 'base_username' containing username as shown in snippet below
 ```python
-    response = render(request, 'Dashboard.html', context))
+response = render(request, 'Dashboard.html', context))
-    if request.session.get("mfa",{}).get("verified",False)  and getattr(settings,"MFA_QUICKLOGIN",False):
+if request.session.get("mfa", {}).get("verified", False) and getattr(settings, "MFA_QUICKLOGIN", False):
-        if request.session["mfa"]["method"]!="Trusted Device":
+    if request.session["mfa"]["method"] != "Trusted Device":
-            response.set_cookie("base_username", request.user.username, path="/",max_age = 15*24*60*60)
+        response.set_cookie("base_username", request.user.username, path="/", max_age=15 * 24 * 60 * 60)
-    return response
+return response
 ```
 
 Second, update the GET part of your login view
 ```python
-    if "mfa" in settings.INSTALLED_APPS and getattr(settings,"MFA_QUICKLOGIN",False) and request.COOKIES.get('base_username'):
+from mfa.helpers import has_mfa
+
+if "mfa" in settings.INSTALLED_APPS and getattr(settings, "MFA_QUICKLOGIN", False) and request.COOKIES.get('base_username'):
     username=request.COOKIES.get('base_username')
-        from mfa.helpers import has_mfa
+    res = has_mfa(username=username, request=request)
-        res =  has_mfa(username = username,request=request,)
+    if res:
-        if res: return res
+        return res
-        ## continue and return the form.
+    # continue and return the form.
 ```
 # Checking MFA on Client Side
 
 Sometimes you like to verify that the user is still there so simple you can ask django-mfa2 to check that for you
 
 ```html
-    {% include 'mfa_check.html' %}
+{% include 'mfa_check.html' %}
 ```
 ````js
 function success_func() {
-  //logic if mfa check succeeds
+  // logic if mfa check succeeds
 }
 function fail_func() {
-  //logic if mfa check fails
+  // logic if mfa check fails
 }
 function some_func() {
-    recheck_mfa(success_func,fail_func,MUST_BE_MFA)
+  recheck_mfa(success_func, fail_func, MUST_BE_MFA)
-    //MUST_BE_MFA true or false, if the user must has with MFA
+  // MUST_BE_MFA true or false, if the user must has with MFA
-  }
+}
 
 ````