X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/2eca9fc8aff8fc7bc3ab4b7e4bf262686a5a6a5c..b0067a0345c2ab7793614925d6150141ef5f18f0:/nominatim/data/postcode_format.py diff --git a/nominatim/data/postcode_format.py b/nominatim/data/postcode_format.py index 6ae43b7d..132dd41f 100644 --- a/nominatim/data/postcode_format.py +++ b/nominatim/data/postcode_format.py @@ -8,29 +8,30 @@ Functions for formatting postcodes according to their country-specific format. """ +from typing import Any, Mapping, Optional, Set, Match import re from nominatim.errors import UsageError -from nominatim.tools import country_info +from nominatim.data import country_info class CountryPostcodeMatcher: """ Matches and formats a postcode according to a format definition of the given country. """ - def __init__(self, country_code, config): + def __init__(self, country_code: str, config: Mapping[str, Any]) -> None: if 'pattern' not in config: raise UsageError("Field 'pattern' required for 'postcode' " f"for country '{country_code}'") pc_pattern = config['pattern'].replace('d', '[0-9]').replace('l', '[A-Z]') - self.norm_pattern = re.compile(f'\\s*(?:{country_code.upper()}[ -]?)?(.*)\\s*') + self.norm_pattern = re.compile(f'\\s*(?:{country_code.upper()}[ -]?)?({pc_pattern})\\s*') self.pattern = re.compile(pc_pattern) self.output = config.get('output', r'\g<0>') - def match(self, postcode): + def match(self, postcode: str) -> Optional[Match[str]]: """ Match the given postcode against the postcode pattern for this matcher. Returns a `re.Match` object if the match was successful and None otherwise. @@ -44,7 +45,7 @@ class CountryPostcodeMatcher: return None - def normalize(self, match): + def normalize(self, match: Match[str]) -> str: """ Return the default format of the postcode for the given match. `match` must be a `re.Match` object previously returned by `match()` @@ -56,9 +57,9 @@ class PostcodeFormatter: """ Container for different postcode formats of the world and access functions. """ - def __init__(self): + def __init__(self) -> None: # Objects without a country code can't have a postcode per definition. - self.country_without_postcode = {None} + self.country_without_postcode: Set[Optional[str]] = {None} self.country_matcher = {} self.default_matcher = CountryPostcodeMatcher('', {'pattern': '.*'}) @@ -71,14 +72,14 @@ class PostcodeFormatter: raise UsageError(f"Invalid entry 'postcode' for country '{ccode}'") - def set_default_pattern(self, pattern): + def set_default_pattern(self, pattern: str) -> None: """ Set the postcode match pattern to use, when a country does not - have a specific pattern or is marked as country without postcode. + have a specific pattern. """ self.default_matcher = CountryPostcodeMatcher('', {'pattern': pattern}) - def get_matcher(self, country_code): + def get_matcher(self, country_code: Optional[str]) -> Optional[CountryPostcodeMatcher]: """ Return the CountryPostcodeMatcher for the given country. Returns None if the country doesn't have a postcode and the default matcher if there is no specific matcher configured for @@ -87,10 +88,12 @@ class PostcodeFormatter: if country_code in self.country_without_postcode: return None + assert country_code is not None + return self.country_matcher.get(country_code, self.default_matcher) - def match(self, country_code, postcode): + def match(self, country_code: Optional[str], postcode: str) -> Optional[Match[str]]: """ Match the given postcode against the postcode pattern for this matcher. Returns a `re.Match` object if the country has a pattern and the match was successful or None if the match failed. @@ -98,10 +101,12 @@ class PostcodeFormatter: if country_code in self.country_without_postcode: return None + assert country_code is not None + return self.country_matcher.get(country_code, self.default_matcher).match(postcode) - def normalize(self, country_code, match): + def normalize(self, country_code: str, match: Match[str]) -> str: """ Return the default format of the postcode for the given match. `match` must be a `re.Match` object previously returned by `match()`