Coverage for cc_modules/cc_nlp.py: 15%
26 statements
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« prev ^ index » next coverage.py v6.5.0, created at 2022-11-08 23:14 +0000
1#!/usr/bin/env python
3"""
4camcops_server/cc_modules/cc_nlp.py
6===============================================================================
8 Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
9 Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
11 This file is part of CamCOPS.
13 CamCOPS is free software: you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation, either version 3 of the License, or
16 (at your option) any later version.
18 CamCOPS is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with CamCOPS. If not, see <https://www.gnu.org/licenses/>.
26===============================================================================
28**Natural language processing functions (of sorts).**
30"""
32from typing import Dict
34# =============================================================================
35# Processing names
36# =============================================================================
38TITLES = ["DR", "PROF", "MR", "MISS", "MRS", "MS", "SR"]
41def guess_name_components(s: str, uppercase: bool = True) -> Dict[str, str]:
42 """
43 Takes a string such as 'Dr James T. Smith, M.D.' and returns parts.
45 This will not be perfect! If it isn't reasonably sure, it returns
46 everything in the surname field.
48 Examples it will fail on:
50 - Nurse Specialist Jones
52 Returns:
53 dict: dictionary with keys "surname", "forename", "prefix"
55 """
56 # Hard.
57 # http://stackoverflow.com/questions/4276905/
59 prefix = ""
60 forename = ""
62 # 1. Separate on spaces, chucking any blanks
63 if s:
64 parts = [p for p in s.split(" ") if p]
65 else:
66 parts = []
68 # 2. Prefix?
69 if len(parts) > 0:
70 p = parts[0]
71 if "." in p or p.replace(".", "").upper() in TITLES:
72 prefix = p
73 parts = parts[1:]
75 # 3. Forename, surname
76 if len(parts) == 2:
77 if parts[0][-1] == ",": # SURNAME, FORENAME
78 forename = parts[1]
79 surname = parts[0]
80 else: # FORENAME SURNAME
81 forename = parts[0]
82 surname = parts[1]
83 else: # No idea, really; shove it all in the surname component.
84 surname = " ".join(parts)
86 if uppercase:
87 surname = surname.upper()
88 forename = forename.upper()
89 prefix = prefix.upper()
90 return dict(surname=surname, forename=forename, prefix=prefix)