mirror of https://github.com/CIRCL/AIL-framework
103 lines
3.2 KiB
Python
Executable File
103 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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"""
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Regex Helper
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"""
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import os
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import re
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import sys
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import uuid
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from multiprocessing import Process as Proc
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sys.path.append(os.environ['AIL_BIN'])
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from pubsublogger import publisher
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sys.path.append(os.path.join(os.environ['AIL_BIN'], 'lib'))
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import ConfigLoader
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import Statistics
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## LOAD CONFIG ##
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config_loader = ConfigLoader.ConfigLoader()
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r_serv_cache = config_loader.get_redis_conn("Redis_Cache")
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config_loader = None
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## -- ##
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publisher.port = 6380
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publisher.channel = "Script"
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def generate_redis_cache_key(module_name):
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return '{}_extracted:{}'.format(module_name, str(uuid.uuid4()))
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def _regex_findall(redis_key, regex, item_content, r_set):
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all_items = re.findall(regex, item_content)
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if r_set:
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if len(all_items) > 1:
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r_serv_cache.sadd(redis_key, *all_items)
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r_serv_cache.expire(redis_key, 360)
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elif all_items:
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r_serv_cache.sadd(redis_key, all_items[0])
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r_serv_cache.expire(redis_key, 360)
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else:
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if len(all_items) > 1:
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r_serv_cache.lpush(redis_key, *all_items)
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r_serv_cache.expire(redis_key, 360)
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elif all_items:
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r_serv_cache.lpush(redis_key, all_items[0])
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r_serv_cache.expire(redis_key, 360)
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def regex_findall(module_name, redis_key, regex, item_id, item_content, max_time=30, r_set=True):
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proc = Proc(target=_regex_findall, args=(redis_key, regex, item_content, r_set, ))
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try:
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proc.start()
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proc.join(max_time)
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if proc.is_alive():
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proc.terminate()
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Statistics.incr_module_timeout_statistic(module_name)
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err_mess = "{}: processing timeout: {}".format(module_name, item_id)
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print(err_mess)
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publisher.info(err_mess)
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return []
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else:
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if r_set:
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all_items = r_serv_cache.smembers(redis_key)
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else:
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all_items = r_serv_cache.lrange(redis_key, 0 ,-1)
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r_serv_cache.delete(redis_key)
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proc.terminate()
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return all_items
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except KeyboardInterrupt:
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print("Caught KeyboardInterrupt, terminating workers")
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proc.terminate()
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sys.exit(0)
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def _regex_search(redis_key, regex, item_content):
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first_occ = regex.search(item_content)
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if first_occ:
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r_serv_cache.set(redis_key, first_occ)
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def regex_search(module_name, redis_key, regex, item_id, item_content, max_time=30):
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proc = Proc(target=_regex_search, args=(redis_key, regex, item_content, ))
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try:
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proc.start()
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proc.join(max_time)
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if proc.is_alive():
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proc.terminate()
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Statistics.incr_module_timeout_statistic(module_name)
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err_mess = "{}: processing timeout: {}".format(module_name, item_id)
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print(err_mess)
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publisher.info(err_mess)
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return None
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else:
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first_occ = r_serv_cache.get(redis_key)
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r_serv_cache.delete(redis_key)
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proc.terminate()
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return first_occ
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except KeyboardInterrupt:
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print("Caught KeyboardInterrupt, terminating workers")
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proc.terminate()
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sys.exit(0)
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