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I search for similar file names & want to upload them for user.

My problem is that when I want to use Try/Except to see this files exists, If files exists, Try & Else Blocks works correctly But If file doesn't exists, It doesn't show user the text ... What is the problem ?

search = str(args[0])
pattern = re.compile('.*%s.*\.pdf' %search, re.I)
for files in filter(pattern.search, os.listdir('.')):

    try:
        requested_file = open(files, 'rb')
    except IOError:
        bot.sendChatAction(chat_id, 'typing')
        bot.sendMessage(chat_id, "This File Doesn't Exists") 
    else:  
        bot.sendChatAction(chat_id, 'typing')
        bot.sendMessage(chat_id, "The File You Needed : " + files)    
        bot.sendChatAction(chat_id, 'upload_document')
        bot.sendDocument(chat_id, requested_file, files)
        requested_file.close()
Improve this question
4
  • 3
    Why wouldn't the file exist? You got the file name from os.listdir, so the file must exist. Are you saying someone deleted the file after the call to listdir but before the call to open? Commented Jul 25, 2017 at 10:21
  • @Rawing First Part :OK, So How should I Check that if the file is not in os.listdir? Second Part : No, Files Are Consistent ... Commented Jul 25, 2017 at 10:27
  • 1
    stackoverflow.com/questions/15032108 may help Commented Jul 25, 2017 at 10:37
  • @GlennRogers Thanks But It didn't help me ... Commented Jul 25, 2017 at 10:43
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