1- from flask import Flask , render_template , request , redirect , url_for
1+ from flask import Flask , render_template , request , redirect , url_for
22from forms import ReverseForm
33
44app = Flask (__name__ )
88def reverse (string ):
99reverse_string = ""
1010for i in xrange (len (string )):
11- reverse_string = reverse_string + string [(len (string )- 1 )- i ]
11+ reverse_string = reverse_string + string [(len (string )- 1 )- i ]
1212return reverse_string
1313
14- @app .route ('/' , methods = ['GET' ,'POST' ])
14+
15+ @app .route ('/' , methods = ['GET' , 'POST' ])
1516def index ():
1617form = ReverseForm (request .form )
17- if request .method == "POST" :
18- if form .validate_on_submit ():
19- return redirect (url_for ('rev_string' , user_input = form .reverse .data ))
18+ if form .validate_on_submit ():
19+ return redirect (url_for ('rev_string' , user_input = form .reverse .data ))
2020return render_template ('index.html' , form = form )
2121
2222
2323@app .route ('/reversed_input/<user_input>' )
2424def rev_string (user_input ):
2525reversed_string = reverse (user_input )
26- return render_template ('reversed.html' ,user_input = user_input , rev_input = reversed_string )
26+ return render_template (
27+ 'reversed.html' ,
28+ user_input = user_input ,
29+ rev_input = reversed_string
30+ )
2731
2832
2933@app .errorhandler (403 )
@@ -38,4 +42,4 @@ def page_not_found(error):
3842
3943@app .errorhandler (500 )
4044def server_error_page (error ):
41- return render_template ("errors/500.html" ), 500
45+ return render_template ("errors/500.html" ), 500
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