25 lines
736 B
Python
25 lines
736 B
Python
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import re
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from flask import abort, session
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pattern = re.compile(r'[a-zA-Z_][a-zA-Z0-9_]*')
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error_msg = ''' Your name may cause errors, Please use names starting with a-z,A-Z or _ and contains only elements in {a-z, A-Z, _, 0-9}
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'''
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error_title = 'Input Error'
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def checkname(str):
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try:
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match = pattern.match(str)
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if (match == None):
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session['500'] = error_msg
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session['500_title'] = error_title
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abort(500)
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if (match.group() != str):
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session['500'] = error_msg
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session['500_title'] = error_title
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abort(500)
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return True
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except:
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session['500'] = error_msg
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session['500_title'] = error_title
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abort(500)
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