ticketfrei/trigger.py

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#!/usr/bin/env python
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__encoding__ = "utf-8"
import os
import pytoml as toml
class Trigger(object):
"""
This class provides a filter to test a string against.
"""
def __init__(self, config):
self.config = config
self.goodlistpath = config['trigger']['goodlist_path']
self.goodlist = self.get_lists(self.goodlistpath)
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self.goodlist = self.strings_ok(self.goodlist)
self.blacklistpath = config['trigger']['blacklist_path']
self.blacklist = self.get_lists(self.blacklistpath)
self.blacklist = self.strings_ok(self.blacklist)
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def get_lists(self, path):
"""
pass a folder with text files in it. each line in the files becomes a filter word.
:param path: path to folder whose files shall be added to the set
:return: set of trigger words.
"""
trigger_words = set()
for filename in os.listdir(path):
with open(path + filename, "r+") as f:
[trigger_words.add(s.strip()) for s in f.readlines()]
return trigger_words
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def strings_ok(self, filterlist):
"""
Checks if an empty line is in a list and removes it.
:param filterlist: a good- or blacklist.
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:return: filterlist: a corrected list.
"""
for word in filterlist:
if word == "\n":
del word
return filterlist
def check_string(self, string):
"""
checks if a string contains no bad words and at least 1 good word.
:param string: A given string. Tweet or Toot, cleaned from html.
:return: If the string passes the test
"""
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string = unicode.decode(string)
for triggerword in self.goodlist:
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if string.lower().find(triggerword) != -1:
for triggerword in self.blacklist:
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if string.lower().find(triggerword) != -1:
return False
return True
return False
def add_to_list(self, word, whichlist):
"""
:param word: a string of a word which should be appended to one of the lists
:param boolean whichlist: 0 : goodlist, 1 : blacklist.
"""
if whichlist:
path = self.goodlistpath
else:
path = self.blacklistpath
with open(path, "w") as f:
old = f.readlines()
old.append(word)
f.writelines(old)
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if __name__ == "__main__":
with open("ticketfrei.cfg", "r") as configfile:
config = toml.load(configfile)
print "testing the trigger"
trigger = Trigger(config)
print "Printing words which trigger the bot:"
for i in trigger.goodlist:
print i
print
print "Printing words which block a bot:"
for i in trigger.blacklist:
print i
print