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https://github.com/osm-search/Nominatim.git
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110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
# SPDX-License-Identifier: GPL-2.0-only
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2025 by the Nominatim developer community.
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# For a full list of authors see the git log.
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"""
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Helper functions to compare expected values.
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"""
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import json
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import re
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COMPARATOR_TERMS = {
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'exactly': lambda exp, act: exp == act,
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'more than': lambda exp, act: act > exp,
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'less than': lambda exp, act: act < exp,
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}
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def _pretty(obj):
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return json.dumps(obj, sort_keys=True, indent=2)
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def within_box(value, expect):
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coord = [float(x) for x in expect.split(',')]
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if isinstance(value, str):
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value = value.split(',')
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value = list(map(float, value))
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if len(value) == 2:
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return coord[0] <= value[0] <= coord[2] \
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and coord[1] <= value[1] <= coord[3]
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if len(value) == 4:
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return value[0] >= coord[0] and value[1] <= coord[1] \
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and value[2] >= coord[2] and value[3] <= coord[3]
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raise ValueError("Not a coordinate or bbox.")
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COMPARISON_FUNCS = {
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None: lambda val, exp: str(val) == exp,
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'i': lambda val, exp: str(val).lower() == exp.lower(),
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'fm': lambda val, exp: re.fullmatch(exp, val) is not None,
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'in_box': within_box
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}
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OSM_TYPE = {'node': 'n', 'way': 'w', 'relation': 'r'}
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class ResultAttr:
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""" Returns the given attribute as a string.
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The key parameter determines how the value is formatted before
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returning. To refer to sub attributes, use '+' to add more keys
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(e.g. 'name+ref' will access obj['name']['ref']). A '!' introduces
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a formatting suffix. If no suffix is given, the value will be
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converted using the str() function.
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Available formatters:
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!:... - use a formatting expression according to Python Mini Format Spec
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!i - make case-insensitive comparison
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!fm - consider comparison string a regular expression and match full value
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"""
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def __init__(self, obj, key):
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self.obj = obj
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if '!' in key:
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self.key, self.fmt = key.rsplit('!', 1)
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else:
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self.key = key
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self.fmt = None
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if self.key == 'object':
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assert 'osm_id' in obj
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assert 'osm_type' in obj
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self.subobj = OSM_TYPE[obj['osm_type']] + str(obj['osm_id'])
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self.fmt = 'i'
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else:
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done = ''
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self.subobj = self.obj
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for sub in self.key.split('+'):
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done += f"[{sub}]"
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assert sub in self.subobj, \
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f"Missing attribute {done}. Full object:\n{_pretty(self.obj)}"
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self.subobj = self.subobj[sub]
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def __eq__(self, other):
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if not isinstance(other, str):
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raise NotImplementedError()
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# work around bad quoting by pytest-bdd
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other = other.replace(r'\\', '\\')
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if self.fmt in COMPARISON_FUNCS:
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return COMPARISON_FUNCS[self.fmt](self.subobj, other)
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if self.fmt.startswith(':'):
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return other == f"{{{self.fmt}}}".format(self.subobj)
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raise RuntimeError(f"Unknown format string '{self.fmt}'.")
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def __repr__(self):
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k = self.key.replace('+', '][')
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if self.fmt:
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k += '!' + self.fmt
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return f"result[{k}]({self.subobj})"
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