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# -*- coding: utf-8 -*-
import validators
from common.strings import StaticAnswers
def deduplicate(reply):
"""
list deduplication method
:param list reply: list containing non unique items
:return: list containing unique items
"""
reply_dedup = list()
for item in reply:
if item not in reply_dedup:
reply_dedup.append(item)
return reply_dedup
def validate(keyword, target):
"""
validation method to reduce malformed querys and unnecessary connection attempts
:param keyword: used keyword
:param target: provided target
:return: true if valid
"""
# if keyword is in noarg list return True
if keyword in StaticAnswers().keys("noarg"):
return True
# prevent AttributeError if target is NoneType
if target is None:
return False
# if keyword in domain list
if keyword in StaticAnswers().keys('domain'):
# if target is a domain / email return True
if validators.domain(target) or validators.email(target):
return True
# check if keyword is in number list
elif keyword in StaticAnswers().keys('number'):
return target.isdigit()
# if keyword in expand list return True
elif keyword in StaticAnswers().keys("expand"):
return True
# if the target could not be validated until this return False
return False
def arg_abbr(value, possible_values):
"""
optional argument abbreviation
if the provided string value > 2 characters the most likely value will be chosen
:return: completes the value to the most likely one
"""
# prevent traceback if value is None
if value and possible_values is not None:
# if opt_argument is smaller then 2 pass to prohibit multiple answers
if len(value) < 2:
return value
abbr = str(value)
# searches the best match in the list of possible_abbr and completes the opt_arg to that
new_value = [s for s in list(possible_values) if s.startswith(abbr)]
# prevent index error if abbreviation has not result
if new_value:
value = new_value[0]
return value
class HandleError:
"""
simple XMPP error / exception class formating the error condition
"""
def __init__(self, error, key, target):
# init all necessary variables
self.text = error.text
self.condition = error.condition
self.key = key
self.target = target
def report(self):
# return the formatted result string to the user
text = "%s %s resulted in: %s" % (self.key, self.target, self.condition)
return text
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