176 lines
5.8 KiB
Python
Executable File
176 lines
5.8 KiB
Python
Executable File
#!/usr/bin/env python
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#
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###############################################################################
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# Copyright (C) 2016 Cortney T. Buffington, N0MJS <n0mjs@me.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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###############################################################################
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from __future__ import print_function
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from os.path import isfile, getmtime
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from time import time
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from urllib import URLopener
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from csv import reader as csv_reader
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from csv import DictReader as csv_dict_reader
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from binascii import b2a_hex as ahex
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# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
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__author__ = 'Cortney T. Buffington, N0MJS'
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__copyright__ = 'Copyright (c) 2016-2017 Cortney T. Buffington, N0MJS and the K0USY Group'
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__credits__ = 'Colin Durbridge, G4EML, Steve Zingman, N4IRS; Mike Zingman'
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__license__ = 'GNU GPLv3'
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__maintainer__ = 'Cort Buffington, N0MJS'
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__email__ = 'n0mjs@me.com'
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# CONSTANTS
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SUB_FIELDS = ('ID', 'CALLSIGN', 'NAME', 'CITY', 'STATE', 'COUNTRY', 'TYPE')
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PEER_FIELDS = ('ID', 'CALLSIGN', 'CITY', 'STATE', 'COUNTRY', 'FREQ', 'CC', 'OFFSET', 'TYPE', 'LINKED', 'TRUSTEE', 'INFO', 'OTHER', 'NETWORK', )
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TGID_FIELDS = ('ID', 'NAME')
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#************************************************
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# STRING UTILITY FUNCTIONS
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#************************************************
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# Create a 2 byte hex string from an integer
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def hex_str_2(_int_id):
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try:
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return format(_int_id,'x').rjust(4,'0').decode('hex')
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except TypeError:
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raise
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# Create a 3 byte hex string from an integer
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def hex_str_3(_int_id):
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try:
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return format(_int_id,'x').rjust(6,'0').decode('hex')
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except TypeError:
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raise
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# Create a 4 byte hex string from an integer
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def hex_str_4(_int_id):
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try:
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return format(_int_id,'x').rjust(8,'0').decode('hex')
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except TypeError:
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raise
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# Convert a hex string to an int (radio ID, etc.)
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def int_id(_hex_string):
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return int(ahex(_hex_string), 16)
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#************************************************
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# ID ALIAS FUNCTIONS
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#************************************************
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# Download and build dictionaries for mapping number to aliases
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# Used by applications. These lookups take time, please do not shove them
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# into this file everywhere and send a pull request!!!
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# Download a new file if it doesn't exist, or is older than the stale time
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def try_download(_path, _file, _url, _stale,):
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now = time()
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url = URLopener()
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file_exists = isfile(_path+_file) == True
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if file_exists:
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file_old = (getmtime(_path+_file) + _stale) < now
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if not file_exists or (file_exists and file_old):
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try:
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url.retrieve(_url, _path+_file)
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result = 'ID ALIAS MAPPER: \'{}\' successfully downloaded'.format(_file)
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except IOError:
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result = 'ID ALIAS MAPPER: \'{}\' could not be downloaded'.format(_file)
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else:
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result = 'ID ALIAS MAPPER: \'{}\' is current, not downloaded'.format(_file)
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url.close()
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return result
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# LEGACY VERSION - MAKES A SIMPLE {INTEGER ID: 'CALLSIGN'} DICTIONARY
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def mk_id_dict(_path, _file):
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dict = {}
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try:
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with open(_path+_file, 'rU') as _handle:
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ids = csv_reader(_handle, dialect='excel', delimiter=',')
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for row in ids:
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try:
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dict[int(row[0])] = (row[1])
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except:
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pass
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_handle.close
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return dict
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except IOError:
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return dict
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# NEW VERSION - MAKES A FULL DICTIONARY OF INFORMATION BASED ON TYPE OF ALIAS FILE
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# BASED ON DOWNLOADS FROM DMR-MARC, TGID IS STILL A "SIMPLE" DICTIONARY
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def mk_full_id_dict(_path, _file, _type):
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dict = {}
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if _type == 'subscriber':
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fields = SUB_FIELDS
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elif _type == 'peer':
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fields = PEER_FIELDS
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elif _type == 'tgid':
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fields = TGID_FIELDS
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try:
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with open(_path+_file, 'rU') as _handle:
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ids = csv_dict_reader(_handle, fieldnames=fields, restkey='OTHER', dialect='excel', delimiter=',')
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for row in ids:
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for item in row:
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try:
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dict[int(row['ID'])] = row
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except:
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pass
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_handle.close
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return dict
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except IOError:
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return dict
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# THESE ARE THE SAME THING FOR LEGACY PURPOSES
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def get_alias(_id, _dict, *args):
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if type(_id) == str:
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_id = int_id(_id)
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if _id in _dict:
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if args:
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retValue = []
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for _item in args:
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try:
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retValue.append(_dict[_id][_item])
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except TypeError:
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return _dict[_id]
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return retValue
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else:
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return _dict[_id]
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return _id
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def get_info(_id, _dict, *args):
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if type(_id) == str:
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_id = int_id(_id)
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if _id in _dict:
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if args:
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retValue = []
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for _item in args:
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try:
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retValue.append(_dict[_id][_item])
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except TypeError:
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return _dict[_id]
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return retValue
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else:
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return _dict[_id]
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return _id
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