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ladeng07
2022-05-06 15:45:57 +08:00
parent 12f390949b
commit 51552904f9
2347 changed files with 120102 additions and 53549 deletions
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venv/Lib/site-packages/django/contrib/gis/measure.py
+96 -128
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@@ -38,7 +38,7 @@ and Geoff Biggs' PhD work on dimensioned units for robotics.
from decimal import Decimal
from functools import total_ordering
__all__ = ["A", "Area", "D", "Distance"]
__all__ = ['A', 'Area', 'D', 'Distance']
NUMERIC_TYPES = (int, float, Decimal)
AREA_PREFIX = "sq_"
@@ -73,17 +73,13 @@ class MeasureBase:
if name in self.UNITS:
return self.standard / self.UNITS[name]
else:
raise AttributeError("Unknown unit type: %s" % name)
raise AttributeError('Unknown unit type: %s' % name)
def __repr__(self):
return "%s(%s=%s)" % (
pretty_name(self),
self._default_unit,
getattr(self, self._default_unit),
)
return '%s(%s=%s)' % (pretty_name(self), self._default_unit, getattr(self, self._default_unit))
def __str__(self):
return "%s %s" % (getattr(self, self._default_unit), self._default_unit)
return '%s %s' % (getattr(self, self._default_unit), self._default_unit)
# **** Comparison methods ****
@@ -108,65 +104,49 @@ class MeasureBase:
if isinstance(other, self.__class__):
return self.__class__(
default_unit=self._default_unit,
**{self.STANDARD_UNIT: (self.standard + other.standard)},
**{self.STANDARD_UNIT: (self.standard + other.standard)}
)
else:
raise TypeError(
"%(class)s must be added with %(class)s" % {"class": pretty_name(self)}
)
raise TypeError('%(class)s must be added with %(class)s' % {"class": pretty_name(self)})
def __iadd__(self, other):
if isinstance(other, self.__class__):
self.standard += other.standard
return self
else:
raise TypeError(
"%(class)s must be added with %(class)s" % {"class": pretty_name(self)}
)
raise TypeError('%(class)s must be added with %(class)s' % {"class": pretty_name(self)})
def __sub__(self, other):
if isinstance(other, self.__class__):
return self.__class__(
default_unit=self._default_unit,
**{self.STANDARD_UNIT: (self.standard - other.standard)},
**{self.STANDARD_UNIT: (self.standard - other.standard)}
)
else:
raise TypeError(
"%(class)s must be subtracted from %(class)s"
% {"class": pretty_name(self)}
)
raise TypeError('%(class)s must be subtracted from %(class)s' % {"class": pretty_name(self)})
def __isub__(self, other):
if isinstance(other, self.__class__):
self.standard -= other.standard
return self
else:
raise TypeError(
"%(class)s must be subtracted from %(class)s"
% {"class": pretty_name(self)}
)
raise TypeError('%(class)s must be subtracted from %(class)s' % {"class": pretty_name(self)})
def __mul__(self, other):
if isinstance(other, NUMERIC_TYPES):
return self.__class__(
default_unit=self._default_unit,
**{self.STANDARD_UNIT: (self.standard * other)},
**{self.STANDARD_UNIT: (self.standard * other)}
)
else:
raise TypeError(
"%(class)s must be multiplied with number"
% {"class": pretty_name(self)}
)
raise TypeError('%(class)s must be multiplied with number' % {"class": pretty_name(self)})
def __imul__(self, other):
if isinstance(other, NUMERIC_TYPES):
self.standard *= float(other)
return self
else:
raise TypeError(
"%(class)s must be multiplied with number"
% {"class": pretty_name(self)}
)
raise TypeError('%(class)s must be multiplied with number' % {"class": pretty_name(self)})
def __rmul__(self, other):
return self * other
@@ -177,22 +157,17 @@ class MeasureBase:
if isinstance(other, NUMERIC_TYPES):
return self.__class__(
default_unit=self._default_unit,
**{self.STANDARD_UNIT: (self.standard / other)},
**{self.STANDARD_UNIT: (self.standard / other)}
)
else:
raise TypeError(
"%(class)s must be divided with number or %(class)s"
% {"class": pretty_name(self)}
)
raise TypeError('%(class)s must be divided with number or %(class)s' % {"class": pretty_name(self)})
def __itruediv__(self, other):
if isinstance(other, NUMERIC_TYPES):
self.standard /= float(other)
return self
else:
raise TypeError(
"%(class)s must be divided with number" % {"class": pretty_name(self)}
)
raise TypeError('%(class)s must be divided with number' % {"class": pretty_name(self)})
def __bool__(self):
return bool(self.standard)
@@ -224,7 +199,7 @@ class MeasureBase:
val += self.UNITS[u] * value
default_unit = u
else:
raise AttributeError("Unknown unit type: %s" % unit)
raise AttributeError('Unknown unit type: %s' % unit)
return val, default_unit
@classmethod
@@ -242,87 +217,85 @@ class MeasureBase:
elif lower in cls.LALIAS:
return cls.LALIAS[lower]
else:
raise Exception(
'Could not find a unit keyword associated with "%s"' % unit_str
)
raise Exception('Could not find a unit keyword associated with "%s"' % unit_str)
class Distance(MeasureBase):
STANDARD_UNIT = "m"
UNITS = {
"chain": 20.1168,
"chain_benoit": 20.116782,
"chain_sears": 20.1167645,
"british_chain_benoit": 20.1167824944,
"british_chain_sears": 20.1167651216,
"british_chain_sears_truncated": 20.116756,
"cm": 0.01,
"british_ft": 0.304799471539,
"british_yd": 0.914398414616,
"clarke_ft": 0.3047972654,
"clarke_link": 0.201166195164,
"fathom": 1.8288,
"ft": 0.3048,
"furlong": 201.168,
"german_m": 1.0000135965,
"gold_coast_ft": 0.304799710181508,
"indian_yd": 0.914398530744,
"inch": 0.0254,
"km": 1000.0,
"link": 0.201168,
"link_benoit": 0.20116782,
"link_sears": 0.20116765,
"m": 1.0,
"mi": 1609.344,
"mm": 0.001,
"nm": 1852.0,
"nm_uk": 1853.184,
"rod": 5.0292,
"sears_yd": 0.91439841,
"survey_ft": 0.304800609601,
"um": 0.000001,
"yd": 0.9144,
'chain': 20.1168,
'chain_benoit': 20.116782,
'chain_sears': 20.1167645,
'british_chain_benoit': 20.1167824944,
'british_chain_sears': 20.1167651216,
'british_chain_sears_truncated': 20.116756,
'cm': 0.01,
'british_ft': 0.304799471539,
'british_yd': 0.914398414616,
'clarke_ft': 0.3047972654,
'clarke_link': 0.201166195164,
'fathom': 1.8288,
'ft': 0.3048,
'furlong': 201.168,
'german_m': 1.0000135965,
'gold_coast_ft': 0.304799710181508,
'indian_yd': 0.914398530744,
'inch': 0.0254,
'km': 1000.0,
'link': 0.201168,
'link_benoit': 0.20116782,
'link_sears': 0.20116765,
'm': 1.0,
'mi': 1609.344,
'mm': 0.001,
'nm': 1852.0,
'nm_uk': 1853.184,
'rod': 5.0292,
'sears_yd': 0.91439841,
'survey_ft': 0.304800609601,
'um': 0.000001,
'yd': 0.9144,
}
# Unit aliases for `UNIT` terms encountered in Spatial Reference WKT.
ALIAS = {
"centimeter": "cm",
"foot": "ft",
"inches": "inch",
"kilometer": "km",
"kilometre": "km",
"meter": "m",
"metre": "m",
"micrometer": "um",
"micrometre": "um",
"millimeter": "mm",
"millimetre": "mm",
"mile": "mi",
"yard": "yd",
"British chain (Benoit 1895 B)": "british_chain_benoit",
"British chain (Sears 1922)": "british_chain_sears",
"British chain (Sears 1922 truncated)": "british_chain_sears_truncated",
"British foot (Sears 1922)": "british_ft",
"British foot": "british_ft",
"British yard (Sears 1922)": "british_yd",
"British yard": "british_yd",
"Clarke's Foot": "clarke_ft",
"Clarke's link": "clarke_link",
"Chain (Benoit)": "chain_benoit",
"Chain (Sears)": "chain_sears",
"Foot (International)": "ft",
"Furrow Long": "furlong",
"German legal metre": "german_m",
"Gold Coast foot": "gold_coast_ft",
"Indian yard": "indian_yd",
"Link (Benoit)": "link_benoit",
"Link (Sears)": "link_sears",
"Nautical Mile": "nm",
"Nautical Mile (UK)": "nm_uk",
"US survey foot": "survey_ft",
"U.S. Foot": "survey_ft",
"Yard (Indian)": "indian_yd",
"Yard (Sears)": "sears_yd",
'centimeter': 'cm',
'foot': 'ft',
'inches': 'inch',
'kilometer': 'km',
'kilometre': 'km',
'meter': 'm',
'metre': 'm',
'micrometer': 'um',
'micrometre': 'um',
'millimeter': 'mm',
'millimetre': 'mm',
'mile': 'mi',
'yard': 'yd',
'British chain (Benoit 1895 B)': 'british_chain_benoit',
'British chain (Sears 1922)': 'british_chain_sears',
'British chain (Sears 1922 truncated)': 'british_chain_sears_truncated',
'British foot (Sears 1922)': 'british_ft',
'British foot': 'british_ft',
'British yard (Sears 1922)': 'british_yd',
'British yard': 'british_yd',
"Clarke's Foot": 'clarke_ft',
"Clarke's link": 'clarke_link',
'Chain (Benoit)': 'chain_benoit',
'Chain (Sears)': 'chain_sears',
'Foot (International)': 'ft',
'Furrow Long': 'furlong',
'German legal metre': 'german_m',
'Gold Coast foot': 'gold_coast_ft',
'Indian yard': 'indian_yd',
'Link (Benoit)': 'link_benoit',
'Link (Sears)': 'link_sears',
'Nautical Mile': 'nm',
'Nautical Mile (UK)': 'nm_uk',
'US survey foot': 'survey_ft',
'U.S. Foot': 'survey_ft',
'Yard (Indian)': 'indian_yd',
'Yard (Sears)': 'sears_yd'
}
LALIAS = {k.lower(): v for k, v in ALIAS.items()}
@@ -330,39 +303,34 @@ class Distance(MeasureBase):
if isinstance(other, self.__class__):
return Area(
default_unit=AREA_PREFIX + self._default_unit,
**{AREA_PREFIX + self.STANDARD_UNIT: (self.standard * other.standard)},
**{AREA_PREFIX + self.STANDARD_UNIT: (self.standard * other.standard)}
)
elif isinstance(other, NUMERIC_TYPES):
return self.__class__(
default_unit=self._default_unit,
**{self.STANDARD_UNIT: (self.standard * other)},
**{self.STANDARD_UNIT: (self.standard * other)}
)
else:
raise TypeError(
"%(distance)s must be multiplied with number or %(distance)s"
% {
"distance": pretty_name(self.__class__),
}
)
raise TypeError('%(distance)s must be multiplied with number or %(distance)s' % {
"distance": pretty_name(self.__class__),
})
class Area(MeasureBase):
STANDARD_UNIT = AREA_PREFIX + Distance.STANDARD_UNIT
# Getting the square units values and the alias dictionary.
UNITS = {"%s%s" % (AREA_PREFIX, k): v**2 for k, v in Distance.UNITS.items()}
ALIAS = {k: "%s%s" % (AREA_PREFIX, v) for k, v in Distance.ALIAS.items()}
UNITS = {'%s%s' % (AREA_PREFIX, k): v ** 2 for k, v in Distance.UNITS.items()}
ALIAS = {k: '%s%s' % (AREA_PREFIX, v) for k, v in Distance.ALIAS.items()}
LALIAS = {k.lower(): v for k, v in ALIAS.items()}
def __truediv__(self, other):
if isinstance(other, NUMERIC_TYPES):
return self.__class__(
default_unit=self._default_unit,
**{self.STANDARD_UNIT: (self.standard / other)},
**{self.STANDARD_UNIT: (self.standard / other)}
)
else:
raise TypeError(
"%(class)s must be divided by a number" % {"class": pretty_name(self)}
)
raise TypeError('%(class)s must be divided by a number' % {"class": pretty_name(self)})
# Shortcuts