senaite.core.api.geo.to_latitude_dms() - Code Metrics - Inspection of "Migrate SamplePoint Latitude and Longitude fields..." - senaite/senaite.core - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — 2.x ( a653ea...997a25 )

by Ramon

created 2024-05-31 12:07 UTC

senaite.core.api.geo.to_latitude_dms() B

↳ Parent: senaite.core.api.geo

Complexity

Conditions

Size

Total Lines	27
Code Lines	14

Duplication

Lines	27
Ratio	100 %

Importance

Changes

Metric	Value
eloc	14
dl	27
loc	27
rs	8.6666
c	0
b	0
f	0
cc	6
nop	3

# -*- coding: utf-8 -*-
#
# This file is part of SENAITE.CORE.
#
# SENAITE.CORE is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright 2018-2024 by it's authors.
# Some rights reserved, see README and LICENSE.

import math
import pycountry

from bika.lims.api import is_floatable
from bika.lims.api import to_float
from bika.lims.api import to_utf8
from six import string_types

_marker = object()


def get_countries():
    """Return the list of countries sorted by name ascending
    :return: list of countries sorted by name ascending
    :rtype: list of Country objects
    """
    countries = pycountry.countries
    return sorted(list(countries), key=lambda s: s.name)


def get_country(thing, default=_marker):
    """Returns the country object
    :param thing: country, subdivision object or search term
    :type thing: Country/Subdivision/string
    :returns: the country that matches with the parameter passed in
    :rtype: pycountry.db.Country
    """
    if is_country(thing):
        return thing

    if is_subdivision(thing):
        return get_country(thing.country_code)

    if not isinstance(thing, string_types):
        if default is _marker:
            raise TypeError("{} is not supported".format(repr(thing)))
        return default

    try:
        return pycountry.countries.lookup(thing)
    except LookupError as e:
        if default is _marker:
            raise ValueError(str(e))
        return default


def get_country_code(thing, default=_marker):
    """Returns the 2-character code (alpha2) of the country
    :param thing: country, subdivision object or search term
    :return: the 2-character (alpha2) code of the country
    :rtype: string
    """
    thing = get_country_or_subdivision(thing, default=default)
    if is_country(thing):
        return thing.alpha_2
    if is_subdivision(thing):
        return thing.country_code
    return default


def get_subdivision(subdivision_or_term, parent=None, default=_marker):
    """Returns the Subdivision object
    :param subdivision_or_term: subdivision or search term
    :param subdivision_or_term: Subdivision/string
    :param parent: filter by parent subdivision or country
    :returns: the subdivision that matches with the parameter passed in
    :rtype: pycountry.db.Subdivision
    """
    if is_subdivision(subdivision_or_term):
        return subdivision_or_term

    if not isinstance(subdivision_or_term, string_types):
        if default is _marker:
            raise TypeError("{} is not supported".format(
                repr(subdivision_or_term)))
        return default

    # Search by parent
    if parent:

        def is_match(subdivision):
            terms = [subdivision.name, subdivision.code]
            needle = to_utf8(subdivision_or_term)
            return needle in map(to_utf8, terms)

        subdivisions = get_subdivisions(parent, default=[])
        subdivisions = filter(lambda subdiv: is_match(subdiv), subdivisions)

        if len(subdivisions) == 1:
            return subdivisions[0]
        elif len(subdivisions) > 1:
            if default is _marker:
                raise ValueError("More than one subdivision found")
            return default
        else:
            if default is _marker:
                raise ValueError("No subdivisions found")
            return None

    # Search directly by term
    try:
        return pycountry.subdivisions.lookup(subdivision_or_term)
    except LookupError as e:
        if default is _marker:
            raise ValueError(str(e))
        return default


def is_country(thing):
    """Returns whether the value passed in is a country object
    """
    if not thing:
        return False
    # pycountry generates the classes dynamically, we cannot use isinstance
    return "Country" in repr(type(thing))


def is_subdivision(thing):
    """Returns whether the value passed in is a subdivision object
    """
    if not thing:
        return False
    # pycountry generates the classes dynamically, we cannot use isinstance
    return "Subdivision" in repr(type(thing))


def get_subdivisions(thing, default=_marker):
    """Returns the first-level subdivisions of the country or subdivision,
    sorted by code ascending
    :param thing: country, subdivision object or search term
    :return: the list of first-level subdivisions of the subdivision/country
    :rtype: list of pycountry.db.Subdivision
    """
    try:
        country_or_subdivision = get_country_or_subdivision(thing)
        country_code = get_country_code(country_or_subdivision)
    except (ValueError, TypeError) as e:
        if default is _marker:
            raise e
        return default

    # Extract the subdivisions
    subdivisions = pycountry.subdivisions.get(country_code=country_code)

    # Bail out those that are not first-level
    if is_subdivision(country_or_subdivision):
        code = country_or_subdivision.code
        subdivisions = filter(lambda sub: sub.parent_code == code, subdivisions)

    else:
        subdivisions = filter(lambda sub: sub.parent_code is None, subdivisions)

    # Sort by code
    return sorted(subdivisions, key=lambda s: s.code)


def get_country_or_subdivision(thing, default=_marker):
    """Returns the country or subdivision for the thing passed-in
    :param thing: the thing or search term to look for a country or subdivision
    :type thing: Country/Subdivision/string
    :return: the country or subdivision for the given thing
    """
    if is_country(thing):
        return thing
    if is_subdivision(thing):
        return thing

    if not isinstance(thing, string_types):
        if default is _marker:
            raise TypeError("{} is not supported".format(repr(thing)))
        return default

    # Maybe a country
    country = get_country(thing, default=None)
    if country:
        return country

    # Maybe a subdivision
    subdivision = get_subdivision(thing, default=None)
    if subdivision:
        return subdivision

    if default is _marker:
        raise ValueError("Could not find a record for '{}'".format(
            thing.lower()))
    return default


def to_dms(degrees, precision=4, default=_marker):
    """Converts a geographical coordinate in decimal degrees to a dict with
    degrees, minutes and seconds as the keys

    :param degrees: coordinate in decimal degrees
    :type degrees: string,int,float
    :param precision: number of decimals for seconds
    :type precision: int
    :return: a dict with degrees, minutes and seconds as keys
    """
    if not is_floatable(degrees):
        if default is _marker:
            raise ValueError("Expected decimal degrees to be a floatable, but "
                             "got %r" % degrees)
        return default

    # calculate the DMS
    decimal_degrees = to_float(degrees)
    degrees = math.trunc(decimal_degrees)
    minutes = math.trunc((decimal_degrees - degrees) * 60)
    seconds = decimal_degrees * 3600 % 60

    # check precision type
    if not isinstance(precision, int):
        raise TypeError("Expected precision to be an `int`, but got %r"
                        % type(precision))

    # apply the precision to seconds
    template = "{:.%df}" % precision
    seconds = template.format(seconds)

    return {
        "degrees": degrees,
        "minutes": minutes,
        "seconds": to_float(seconds),
    }


def to_latitude_dms(degrees, precision=4, default=_marker):

    """Converts a geographical latitude in decimal degrees to a dict with
    degrees, minutes, seconds and bearing as the keys

    :param degrees: latitude in decimal degrees
    :type degrees: string,int,float
    :param precision: number of decimals for seconds
    :type precision: int
    :return: a dict with degrees, minutes, seconds and bearing as keys
    """
    if not is_floatable(degrees):
        if default is _marker:
            raise ValueError("Expected decimal degrees to be a floatable, but "
                             "got %r" % degrees)
        return default

    # check latitude is in range
    latitude = to_float(degrees)
    if abs(latitude) > 90:
        if default is _marker:
            raise ValueError("Latitude must be within -90 and 90 degrees")
        return default

    # calculate the DMS
    dms = to_dms(abs(latitude), precision=precision)
    dms["bearing"] = "N" if latitude >= 0 else "S"
    return dms


def to_longitude_dms(degrees, precision=4, default=_marker):

    """Converts a geographical longitude in decimal degrees to a dict with
    degrees, minutes, seconds and bearing as the keys

    :param degrees: longitude in decimal degrees
    :type degrees: string,int,float
    :param precision: number of decimals for seconds
    :type precision: int
    :return: a dict with degrees, minutes, seconds and bearing as keys
    """
    if not is_floatable(degrees):
        if default is _marker:
            raise ValueError("Expected decimal degrees to be a floatable, but "
                             "got %r" % degrees)
        return default

    # check longitude is in range
    longitude = to_float(degrees)
    if abs(longitude) > 180:
        if default is _marker:
            raise ValueError("Longitude must be within -180 and 180 degrees")
        return default

    # calculate the DMS
    dms = to_dms(abs(longitude), precision=precision)
    dms["bearing"] = "E" if longitude >= 0 else "W"
    return dms


def to_decimal_degrees(dms, precision=7, default=_marker):
    """Converts a geographical coordinate in DMS format to decimal degrees

    :param dms: coordinate in DMS
    :type dms: dict
    :param precision: number of decimals for decimal degrees
    :type precision: int
    :return: a float representing a geographical coordinate in decimal degrees
    """
    if not isinstance(dms, dict):
        if default is _marker:
            raise TypeError("Expected dms to be a dict, but got %r" % dms)
        return default

    # get the degrees, minutes and seconds
    degrees = to_float(dms.get("degrees"), default=0)
    minutes = to_float(dms.get("minutes"), default=0)
    seconds = to_float(dms.get("seconds"), default=0)

    # calculate the decimal degrees
    decimal_degrees = abs(degrees + (minutes / 60) + (seconds / 3600))

    # Use +/- to express N/S, W/E
    bearing = dms.get("bearing")
    if bearing and bearing in "SW":
        decimal_degrees = -decimal_degrees

    # check precision type
    if not isinstance(precision, int):
        raise TypeError("Expected precision to be an `int`, but got %r"
                        % type(precision))

    # apply the precision
    template = "{:.%df}" % precision
    decimal_degrees = template.format(decimal_degrees)

    # return the float value
    return to_float(decimal_degrees)


1		# -- coding: utf-8 --
2		#
3		# This file is part of SENAITE.CORE.
4		#
5		# SENAITE.CORE is free software: you can redistribute it and/or modify it under
6		# the terms of the GNU General Public License as published by the Free Software
7		# Foundation, version 2.
8		#
9		# This program is distributed in the hope that it will be useful, but WITHOUT
10		# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11		# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
12		# details.
13		#
14		# You should have received a copy of the GNU General Public License along with
15		# this program; if not, write to the Free Software Foundation, Inc., 51
16		# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17		#
18		# Copyright 2018-2024 by it's authors.
19		# Some rights reserved, see README and LICENSE.
20
21		import math
22		import pycountry
23
24		from bika.lims.api import is_floatable
25		from bika.lims.api import to_float
26		from bika.lims.api import to_utf8
27		from six import string_types
28
29		_marker = object()
30
31
32		def get_countries():
33		"""Return the list of countries sorted by name ascending
34		:return: list of countries sorted by name ascending
35		:rtype: list of Country objects
36		"""
37		countries = pycountry.countries
38		return sorted(list(countries), key=lambda s: s.name)
39
40
41		def get_country(thing, default=_marker):
42		"""Returns the country object
43		:param thing: country, subdivision object or search term
44		:type thing: Country/Subdivision/string
45		:returns: the country that matches with the parameter passed in
46		:rtype: pycountry.db.Country
47		"""
48		if is_country(thing):
49		return thing
50
51		if is_subdivision(thing):
52		return get_country(thing.country_code)
53
54		if not isinstance(thing, string_types):
55		if default is _marker:
56		raise TypeError("{} is not supported".format(repr(thing)))
57		return default
58
59		try:
60		return pycountry.countries.lookup(thing)
61		except LookupError as e:
62		if default is _marker:
63		raise ValueError(str(e))
64		return default
65
66
67		def get_country_code(thing, default=_marker):
68		"""Returns the 2-character code (alpha2) of the country
69		:param thing: country, subdivision object or search term
70		:return: the 2-character (alpha2) code of the country
71		:rtype: string
72		"""
73		thing = get_country_or_subdivision(thing, default=default)
74		if is_country(thing):
75		return thing.alpha_2
76		if is_subdivision(thing):
77		return thing.country_code
78		return default
79
80
81		def get_subdivision(subdivision_or_term, parent=None, default=_marker):
82		"""Returns the Subdivision object
83		:param subdivision_or_term: subdivision or search term
84		:param subdivision_or_term: Subdivision/string
85		:param parent: filter by parent subdivision or country
86		:returns: the subdivision that matches with the parameter passed in
87		:rtype: pycountry.db.Subdivision
88		"""
89		if is_subdivision(subdivision_or_term):
90		return subdivision_or_term
91
92		if not isinstance(subdivision_or_term, string_types):
93		if default is _marker:
94		raise TypeError("{} is not supported".format(
95		repr(subdivision_or_term)))
96		return default
97
98		# Search by parent
99		if parent:
100
101		def is_match(subdivision):
102		terms = [subdivision.name, subdivision.code]
103		needle = to_utf8(subdivision_or_term)
104		return needle in map(to_utf8, terms)
105
106		subdivisions = get_subdivisions(parent, default=[])
107		subdivisions = filter(lambda subdiv: is_match(subdiv), subdivisions)
		0 ignored issues – show introduced 2022-04-08 12:24 UTC by Report Bug Copy Issue Report The variable `is_match` does not seem to be defined for all execution paths. Loading history...
108		if len(subdivisions) == 1:
109		return subdivisions[0]
110		elif len(subdivisions) > 1:
111		if default is _marker:
112		raise ValueError("More than one subdivision found")
113		return default
114		else:
115		if default is _marker:
116		raise ValueError("No subdivisions found")
117		return None
118
119		# Search directly by term
120		try:
121		return pycountry.subdivisions.lookup(subdivision_or_term)
122		except LookupError as e:
123		if default is _marker:
124		raise ValueError(str(e))
125		return default
126
127
128		def is_country(thing):
129		"""Returns whether the value passed in is a country object
130		"""
131		if not thing:
132		return False
133		# pycountry generates the classes dynamically, we cannot use isinstance
134		return "Country" in repr(type(thing))
135
136
137		def is_subdivision(thing):
138		"""Returns whether the value passed in is a subdivision object
139		"""
140		if not thing:
141		return False
142		# pycountry generates the classes dynamically, we cannot use isinstance
143		return "Subdivision" in repr(type(thing))
144
145
146		def get_subdivisions(thing, default=_marker):
147		"""Returns the first-level subdivisions of the country or subdivision,
148		sorted by code ascending
149		:param thing: country, subdivision object or search term
150		:return: the list of first-level subdivisions of the subdivision/country
151		:rtype: list of pycountry.db.Subdivision
152		"""
153		try:
154		country_or_subdivision = get_country_or_subdivision(thing)
155		country_code = get_country_code(country_or_subdivision)
156		except (ValueError, TypeError) as e:
157		if default is _marker:
158		raise e
159		return default
160
161		# Extract the subdivisions
162		subdivisions = pycountry.subdivisions.get(country_code=country_code)
163
164		# Bail out those that are not first-level
165		if is_subdivision(country_or_subdivision):
166		code = country_or_subdivision.code
167		subdivisions = filter(lambda sub: sub.parent_code == code, subdivisions)
		0 ignored issues – show introduced 2022-04-08 12:24 UTC by Report Bug Copy Issue Report The variable `code` does not seem to be defined for all execution paths. Loading history...
168		else:
169		subdivisions = filter(lambda sub: sub.parent_code is None, subdivisions)
170
171		# Sort by code
172		return sorted(subdivisions, key=lambda s: s.code)
173
174
175		def get_country_or_subdivision(thing, default=_marker):
176		"""Returns the country or subdivision for the thing passed-in
177		:param thing: the thing or search term to look for a country or subdivision
178		:type thing: Country/Subdivision/string
179		:return: the country or subdivision for the given thing
180		"""
181		if is_country(thing):
182		return thing
183		if is_subdivision(thing):
184		return thing
185
186		if not isinstance(thing, string_types):
187		if default is _marker:
188		raise TypeError("{} is not supported".format(repr(thing)))
189		return default
190
191		# Maybe a country
192		country = get_country(thing, default=None)
193		if country:
194		return country
195
196		# Maybe a subdivision
197		subdivision = get_subdivision(thing, default=None)
198		if subdivision:
199		return subdivision
200
201		if default is _marker:
202		raise ValueError("Could not find a record for '{}'".format(
203		thing.lower()))
204		return default
205
206
207		def to_dms(degrees, precision=4, default=_marker):
208		"""Converts a geographical coordinate in decimal degrees to a dict with
209		degrees, minutes and seconds as the keys
210
211		:param degrees: coordinate in decimal degrees
212		:type degrees: string,int,float
213		:param precision: number of decimals for seconds
214		:type precision: int
215		:return: a dict with degrees, minutes and seconds as keys
216		"""
217		if not is_floatable(degrees):
218		if default is _marker:
219		raise ValueError("Expected decimal degrees to be a floatable, but "
220		"got %r" % degrees)
221		return default
222
223		# calculate the DMS
224		decimal_degrees = to_float(degrees)
225		degrees = math.trunc(decimal_degrees)
226		minutes = math.trunc((decimal_degrees - degrees) * 60)
227		seconds = decimal_degrees * 3600 % 60
228
229		# check precision type
230		if not isinstance(precision, int):
231		raise TypeError("Expected precision to be an `int`, but got %r"
232		% type(precision))
233
234		# apply the precision to seconds
235		template = "{:.%df}" % precision
236		seconds = template.format(seconds)
237
238		return {
239		"degrees": degrees,
240		"minutes": minutes,
241		"seconds": to_float(seconds),
242		}
243
244
245	View Code Duplication	def to_latitude_dms(degrees, precision=4, default=_marker):
		0 ignored issues – show Duplication introduced 2024-05-30 10:08 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
246		"""Converts a geographical latitude in decimal degrees to a dict with
247		degrees, minutes, seconds and bearing as the keys
248
249		:param degrees: latitude in decimal degrees
250		:type degrees: string,int,float
251		:param precision: number of decimals for seconds
252		:type precision: int
253		:return: a dict with degrees, minutes, seconds and bearing as keys
254		"""
255		if not is_floatable(degrees):
256		if default is _marker:
257		raise ValueError("Expected decimal degrees to be a floatable, but "
258		"got %r" % degrees)
259		return default
260
261		# check latitude is in range
262		latitude = to_float(degrees)
263		if abs(latitude) > 90:
264		if default is _marker:
265		raise ValueError("Latitude must be within -90 and 90 degrees")
266		return default
267
268		# calculate the DMS
269		dms = to_dms(abs(latitude), precision=precision)
270		dms["bearing"] = "N" if latitude >= 0 else "S"
271		return dms
272
273
274	View Code Duplication	def to_longitude_dms(degrees, precision=4, default=_marker):
		0 ignored issues – show Duplication introduced 2024-05-30 10:08 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
275		"""Converts a geographical longitude in decimal degrees to a dict with
276		degrees, minutes, seconds and bearing as the keys
277
278		:param degrees: longitude in decimal degrees
279		:type degrees: string,int,float
280		:param precision: number of decimals for seconds
281		:type precision: int
282		:return: a dict with degrees, minutes, seconds and bearing as keys
283		"""
284		if not is_floatable(degrees):
285		if default is _marker:
286		raise ValueError("Expected decimal degrees to be a floatable, but "
287		"got %r" % degrees)
288		return default
289
290		# check longitude is in range
291		longitude = to_float(degrees)
292		if abs(longitude) > 180:
293		if default is _marker:
294		raise ValueError("Longitude must be within -180 and 180 degrees")
295		return default
296
297		# calculate the DMS
298		dms = to_dms(abs(longitude), precision=precision)
299		dms["bearing"] = "E" if longitude >= 0 else "W"
300		return dms
301
302
303		def to_decimal_degrees(dms, precision=7, default=_marker):
304		"""Converts a geographical coordinate in DMS format to decimal degrees
305
306		:param dms: coordinate in DMS
307		:type dms: dict
308		:param precision: number of decimals for decimal degrees
309		:type precision: int
310		:return: a float representing a geographical coordinate in decimal degrees
311		"""
312		if not isinstance(dms, dict):
313		if default is _marker:
314		raise TypeError("Expected dms to be a dict, but got %r" % dms)
315		return default
316
317		# get the degrees, minutes and seconds
318		degrees = to_float(dms.get("degrees"), default=0)
319		minutes = to_float(dms.get("minutes"), default=0)
320		seconds = to_float(dms.get("seconds"), default=0)
321
322		# calculate the decimal degrees
323		decimal_degrees = abs(degrees + (minutes / 60) + (seconds / 3600))
324
325		# Use +/- to express N/S, W/E
326		bearing = dms.get("bearing")
327		if bearing and bearing in "SW":
328		decimal_degrees = -decimal_degrees
329
330		# check precision type
331		if not isinstance(precision, int):
332		raise TypeError("Expected precision to be an `int`, but got %r"
333		% type(precision))
334
335		# apply the precision
336		template = "{:.%df}" % precision
337		decimal_degrees = template.format(decimal_degrees)
338
339		# return the float value
340		return to_float(decimal_degrees)
341

senaite / senaite.core

Push — 2.x ( a653ea...997a25 )

senaite.core.api.geo.to_latitude_dms() B

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