Coverage for pygeodesy/interns.py: 88%
430 statements
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« prev ^ index » next coverage.py v7.2.2, created at 2023-04-23 16:38 -0400
1# -*- coding: utf-8 -*-
3u'''Single C{str}ing constants, C{intern}'ed across C{pygeodesy}
4modules and function L{pygeodesy.machine}.
5'''
6_COMMASPACE_ = ', ' # overriden below
7_pl2List = None # cached _platform2 lists
8_Py3List = None # cached _pythonarchine lists
11class _Dash(str):
12 '''(INTERNAL) Extended C{str} for prefix_DASH_.
13 '''
14 def __call__(self, *args):
15 '''Join C{self} plus all B{C{args}} like C{'-'.join((self,) + B{args})}.
16 '''
17 return _DASH_(self, *args) # re-callable
20class _Int(int):
21 '''(INTERNAL) Unique C{int}.
22 '''
23 pass
26class Str_(str):
27 '''Extended, I{callable} C{str} class, not nameable.
29 @see: Nameable and callable class L{pygeodesy.Str}.
30 '''
31 def join_(self, *args):
32 '''Join all positional B{C{args}} like C{self.join(B{args})}.
34 @return: All B{C{args}} joined by this instance (L{Str_}).
36 @note: An other L{Str_} instance is returned to make the
37 result re-callable.
38 '''
39 return Str_(str.join(self, map(str, args))) # re-callable
41 __call__ = join_
44class _Prefix(Str_):
45 '''(INTERNAL) Extended C{str} for prefix.
46 '''
47 def __call__(self, *args):
48 '''Join C{self} plus all B{C{args}} like C{" ".join((self,) + B{args})}.
49 '''
50 return _SPACE_.join_(self, *args) # re-callable
53class _Python_(str): # overwritten by singleton below
54 '''(INTERNAL) Extended C{str} for C{"Python"} and version.
55 '''
56 def __call__(self, version=None):
57 '''Return C{"Python <version>"}.
58 '''
59 if not version:
60 from sys import version
61 return _SPACE_(self, version.split(None, 1)[0])
64class _Range(str):
65 '''(INTERNAL) Extended C{str} for C{range} strings.
66 '''
67 def __call__(self, lo, hi, lopen=False, ropen=False,
68 prec=0, sep=_COMMASPACE_):
69 '''Return the range as C{"(lo, hi)"}, C{"(lo, hi]"},
70 C{"[lo, hi)"} or C{"[lo, hi]"}.
71 '''
72 from pygeodesy.streprs import Fmt
73 r = NN(Fmt.f(lo, prec=prec), sep,
74 Fmt.f(hi, prec=prec))
75 if lopen:
76 r = Fmt.PAREN(r) if ropen else Fmt.LOPEN(r)
77 else:
78 r = Fmt.ROPEN(r) if ropen else Fmt.SQUARE(r)
79 return r
82class _Slicer(str):
83 '''(INTERNAL) String slicer C{.fromX} or C{.tillY}.
84 '''
85 def __getattr__(self, name): # .fromX, .tillY
86 if name.startswith(_till_):
87 i = self.find(name[len(_till_):])
88 if 0 < i < len(self):
89 return _Slicer(self[:i + 1])
90 elif name.startswith(_from_):
91 i = self.find(name[len(_from_):])
92 if 0 < (i + 1) < len(self):
93 return _Slicer(self[i:])
94 else:
95 return getattr(str, name)
96 return self
99class MISSING(object):
100 '''(INTERNAL) Singleton C{str}.
101 '''
102 def toRepr(self, **unused):
103 return self.__class__.__name__
105 __repr__ = toRepr
106 __str__ = toRepr
107 toStr = toRepr
109MISSING = MISSING() # PYCHOK singleton
110MISSING.__name__ = str(MISSING)
112NN = Str_('') # Nomen Nescio <https://Wiktionary.org/wiki/N.N.>
114# __DUNDER__-style names would get mangled in classes
115_0_ = '0' # PYCHOK 'zero'
116_0to9_ = '0123456789' # PYCHOK OK
117_1_ = '1' # PYCHOK OK
118_2_ = '2' # PYCHOK OK
119_3_ = '3' # PYCHOK OK
120_4_ = '4' # PYCHOK OK
121_a_ = 'a' # PYCHOK OK
122_A_ = 'A' # PYCHOK OK
123_a12_ = 'a12' # PYCHOK OK
124_area_ = 'area' # PYCHOK OK
125_Airy1830_ = 'Airy1830' # PYCHOK OK
126_AiryModified_ = 'AiryModified' # PYCHOK OK
127_ambiguous_ = 'ambiguous' # PYCHOK OK
128_AMPERSAND_ = Str_('&') # PYCHOK OK
129_an_ = 'an' # PYCHOK OK
130_and_ = 'and' # PYCHOK OK
131# _AND_ = _AMPERSAND_ # PYCHOK OK
132_angle_ = 'angle' # PYCHOK OK
133_antipodal_ = 'antipodal' # PYCHOK OK
134_areaOf_ = 'areaOf' # PYCHOK OK
135_arg_ = 'arg' # PYCHOK OK
136_at_ = 'at' # PYCHOK OK
137_AT_ = Str_('@') # PYCHOK OK
138_AtoZnoIO_ = _Slicer('ABCDEFGHJKLMNPQRSTUVWXYZ') # PYCHOK in C{gars}, C{mgrs} and C{wgrs}
139_attribute_ = 'attribute' # PYCHOK OK
140_azi1_ = 'azi1' # PYCHOK OK
141_azi12_ = 'azi12' # PYCHOK OK
142_azi2_ = 'azi2' # PYCHOK OK
143_azimuth_ = 'azimuth' # PYCHOK OK
144_b_ = 'b' # PYCHOK OK
145_B_ = 'B' # PYCHOK OK
146_BACKSLASH_ = Str_('\\') # PYCHOK OK
147_band_ = 'band' # PYCHOK OK
148_BANG_ = Str_('!') # PYCHOK OK
149_BAR_ = Str_('|') # PYCHOK OK
150_bearing_ = 'bearing' # PYCHOK OK
151_Bessel1841_ = 'Bessel1841' # PYCHOK OK
152_beta_ = 'beta' # PYCHOK OK
153_by_ = 'by' # PYCHOK OK
154_c_ = 'c' # PYCHOK OK
155_C_ = 'C' # PYCHOK OK
156_cartesian_ = 'cartesian' # PYCHOK OK
157_center_ = 'center' # PYCHOK OK
158# _CIRCUMFLEX_ = '^' # PYCHOK OK
159_Clarke1866_ = 'Clarke1866' # PYCHOK OK
160_Clarke1880IGN_ = 'Clarke1880IGN' # PYCHOK OK
161_clip_ = 'clip' # PYCHOK OK
162_clipid_ = 'clipid' # PYCHOK OK
163_coincident_ = 'coincident' # PYCHOK OK
164_colinear_ = 'colinear' # PYCHOK OK
165_COLON_ = Str_(':') # PYCHOK OK
166_COLONSPACE_ = Str_(': ') # PYCHOK OK
167_COMMA_ = Str_(',') # PYCHOK OK
168_COMMASPACE_ = Str_(_COMMASPACE_) # PYCHOK OK
169_composite_ = 'composite' # PYCHOK OK
170_concentric_ = 'concentric' # PYCHOK OK
171_convergence_ = _Prefix('convergence') # PYCHOK OK
172_conversion_ = 'conversion' # PYCHOK OK
173_convex_ = 'convex' # PYCHOK OK
174_cubic_ = 'cubic' # PYCHOK OK
175_d_ = 'd' # PYCHOK OK
176_D_ = 'D' # PYCHOK OK
177_DASH_ = Str_('-') # PYCHOK == _MINUS_
178_datum_ = 'datum' # PYCHOK OK
179_decode3_ = 'decode3' # PYCHOK OK
180_deg_ = 'deg' # PYCHOK OK
181_degrees_ = 'degrees' # PYCHOK OK
182_degrees2_ = 'degrees2' # PYCHOK SQUARED
183_DEPRECATED_ = 'DEPRECATED' # PYCHOK OK
184_DEQUALSPACED_ = Str_(' == ') # PYCHOK OK
185_distance_ = 'distance' # PYCHOK OK
186_distanceTo_ = 'distanceTo' # PYCHOK OK
187_distant_ = _Prefix('distant') # PYCHOK OK
188_doesn_t_exist_ = "doesn't exist" # PYCHOK OK
189_DOT_ = Str_('.') # PYCHOK OK
190_down_ = 'down' # PYCHOK OK
191_e_ = 'e' # PYCHOK OK
192_E_ = 'E' # PYCHOK OK
193_east_ = 'east' # PYCHOK OK
194_easting_ = 'easting' # PYCHOK OK
195_ecef_ = 'ecef' # PYCHOK OK
196_edge_ = 'edge' # PYCHOK OK
197_elevation_ = 'elevation' # PYCHOK OK
198_ELLIPSIS_ = Str_('...') # PYCHOK OK
199_ELLIPSIS4_ = Str_('....') # PYCHOK OK
200# _ELLIPSISPACED_ = Str_(' ... ') # PYCHOK <https://www.ThePunctuationGuide.com/ellipses.html>
201_ellipsoid_ = 'ellipsoid' # PYCHOK OK
202_ellipsoidal_ = 'ellipsoidal' # PYCHOK OK
203_enabled_ = 'enabled' # PYCHOK OK
204_encode_ = 'encode' # PYCHOK OK
205_end_ = 'end' # PYCHOK OK
206_epoch_ = 'epoch' # PYCHOK OK
207_EQUAL_ = Str_('=') # PYCHOK OK
208_EQUALSPACED_ = Str_(' = ') # PYCHOK OK
209_Error_ = 'Error' # PYCHOK OK
210_exceed_PI_radians_ = 'exceed PI radians' # PYCHOK OK
211_exceeds_ = _Prefix('exceeds') # PYCHOK OK
212# _EXCLAMATION_ = _BANG_ # PYCHOK OK
213_exists_ = 'exists' # PYCHOK OK
214_f_ = 'f' # PYCHOK OK
215_F_ = 'F' # PYCHOK OK
216_feet_ = 'feet' # PYCHOK OK
217_few_ = 'few' # PYCHOK OK
218_fi_ = 'fi' # PYCHOK OK
219_finite_ = 'finite' # PYCHOK OK
220_from_ = 'from' # PYCHOK OK
221_g_ = 'g' # PYCHOK OK
222_gamma_ = 'gamma' # PYCHOK OK
223_GRS80_ = 'GRS80' # PYCHOK OK
224_h_ = 'h' # PYCHOK OK
225_H_ = 'H' # PYCHOK OK
226_height_ = 'height' # PYCHOK OK
227_hemipole_ = 'hemipole' # PYCHOK OK
228_i_ = 'i' # PYCHOK OK
229_iadd_ = '+=' # PYCHOK OK
230_immutable_ = 'immutable' # PYCHOK OK
231_in_ = 'in' # PYCHOK OK
232_incompatible_ = 'incompatible' # PYCHOK OK
233_INF_ = 'INF' # PYCHOK OK
234_infinite_ = 'infinite' # PYCHOK _not_finite_
235_initial_ = 'initial' # PYCHOK OK
236_inside_ = 'inside' # PYCHOK OK
237_intersection_ = 'intersection' # PYCHOK OK
238_Intl1924_ = 'Intl1924' # PYCHOK OK
239_invalid_ = 'invalid' # PYCHOK OK
240_isclockwise_ = 'isclockwise' # PYCHOK OK
241_ispolar_ = 'ispolar' # PYCHOK OK
242_j_ = 'j' # PYCHOK OK
243_k0_ = 'k0' # PYCHOK OK
244_kind_ = 'kind' # PYCHOK OK
245_knots_ = 'knots' # PYCHOK OK
246_Krassovski1940_ = 'Krassovski1940' # PYCHOK OK
247_Krassowsky1940_ = 'Krassowsky1940' # PYCHOK OK
248_LANGLE_ = '<' # PYCHOK OK
249_lam_ = 'lam' # PYCHOK OK
250_lat_ = 'lat' # PYCHOK OK
251_lat0_ = 'lat0' # PYCHOK OK
252_lat1_ = 'lat1' # PYCHOK OK
253_lat2_ = 'lat2' # PYCHOK OK
254_latlon_ = 'latlon' # PYCHOK OK
255_LatLon_ = 'LatLon' # PYCHOK OK
256_LCURLY_ = '{' # PYCHOK LBRACE
257_len_ = 'len' # PYCHOK OK
258_line_ = 'line' # PYCHOK OK
259_linear_ = 'linear' # PYCHOK OK
260_LPAREN_ = '(' # PYCHOK OK
261_lon_ = 'lon' # PYCHOK OK
262_lon0_ = 'lon0' # PYCHOK OK
263_lon1_ = 'lon1' # PYCHOK OK
264_lon2_ = 'lon2' # PYCHOK OK
265_LSQUARE_ = '[' # PYCHOK LBRACK
266_ltp_ = 'ltp' # PYCHOK OK
267_m_ = 'm' # PYCHOK OK
268_M_ = 'M' # PYCHOK OK
269_m12_ = 'm12' # PYCHOK OK
270_M12_ = 'M12' # PYCHOK OK
271_M21_ = 'M21' # PYCHOK OK
272_MANT_DIG_ = 'MANT_DIG' # PYCHOK OK
273_MAX_ = 'MAX' # PYCHOK OK
274_mean_ = 'mean' # PYCHOK OK
275_meanOf_ = 'meanOf' # PYCHOK OK
276_meridional_ = 'meridional' # PYCHOK OK
277_meter_ = 'meter' # PYCHOK OK
278_meter2_ = 'meter2' # PYCHOK SQUARED
279_MGRS_ = 'MGRS' # PYCHOK OK
280_MIN_ = 'MIN' # PYCHOK OK
281_MINUS_ = _DASH_ # PYCHOK OK
282_module_ = 'module' # PYCHOK OK
283_n_ = 'n' # PYCHOK OK
284_N_ = 'N' # PYCHOK OK
285_n_a_ = 'n/a' # PYCHOK OK
286_N_A_ = 'N/A' # PYCHOK OK
287_NAD27_ = 'NAD27' # PYCHOK OK
288_NAD83_ = 'NAD83' # PYCHOK OK
289_name_ = 'name' # PYCHOK OK
290_NAN_ = 'NAN' # PYCHOK OK
291_near_ = _Dash('near') # PYCHOK OK
292_nearestOn2_ = 'nearestOn2' # PYCHOK OK
293_negative_ = 'negative' # PYCHOK OK
294_NL_ = Str_('\n') # PYCHOK OK
295_NLATvar_ = Str_(_NL_ + '@var ') # PYCHOK OK
296_NLHASH_ = Str_(_NL_ + '# ') # PYCHOK OK
297# _NLNL_ = _DNL_ # PYCHOK OK
298_NN_ = 'NN' # PYCHOK OK
299_no_ = _Prefix('no') # PYCHOK OK
300_north_ = 'north' # PYCHOK OK
301_northing_ = 'northing' # PYCHOK OK
302_NorthPole_ = 'NorthPole' # PYCHOK OK
303_not_ = _Prefix('not') # PYCHOK OK
304_NOTEQUAL_ = _BANG_ + _EQUAL_ # PYCHOK OK
305_not_finite_ = 'not finite' # PYCHOK _not_(_finite_), _infinite_
306_not_scalar_ = 'not scalar' # PYCHOK _not_(_scalar_)
307_NTF_ = 'NTF' # PYCHOK OK
308_null_ = 'null' # PYCHOK OK
309_number_ = 'number' # PYCHOK OK
310_numpy_ = 'numpy' # PYCHOK OK
311_Nv00_ = 'Nv00' # PYCHOK OK
312_on_ = 'on' # PYCHOK OK
313_opposite_ = 'opposite' # PYCHOK OK
314_or_ = 'or' # PYCHOK OK
315_other_ = 'other' # PYCHOK OK
316_outside_ = 'outside' # PYCHOK OK
317_overlap_ = 'overlap' # PYCHOK OK
318_PERCENT_ = '%' # PYCHOK OK
319_PERCENTDOTSTAR_ = '%.*' # PYCHOK _DOT_(_PERCENT_, _STAR_)
320_phi_ = 'phi' # PYCHOK OK
321_PLUS_ = Str_('+') # PYCHOK OK
322_PLUSMINUS_ = _PLUS_ + _MINUS_ # PYCHOK OK
323_point_ = 'point' # PYCHOK OK
324_points_ = 'points' # PYCHOK OK
325_pole_ = 'pole' # PYCHOK OK
326_precision_ = 'precision' # PYCHOK OK
327_prime_vertical_ = 'prime_vertical' # PYCHOK OK
328_pygeodesy_abspath_ = 'pygeodesy_abspath' # PYCHOK OK
329_PyPy__ = 'PyPy ' # PYCHOK + _SPACE_
330_Python_ = _Python_('Python') # PYCHOK singleton
331_python_ = 'python' # PYCHOK OK
332_QUOTE1_ = "'" # PYCHOK OK
333_QUOTE2_ = '"' # PYCHOK OK
334# _QUOTE3_ = "'''" # PYCHOK OK
335# _QUOTE6_ = '"""' # PYCHOK OK
336_R_ = 'R' # PYCHOK OK
337_radians_ = 'radians' # PYCHOK OK
338_radians2_ = 'radians2' # PYCHOK SQUARED
339_radius_ = 'radius' # PYCHOK OK
340_radius1_ = 'radius1' # PYCHOK OK
341_radius2_ = 'radius2' # PYCHOK OK
342_range_ = _Range('range') # PYCHOK OK
343_RANGLE_ = '>' # PYCHOK OK
344_RCURLY_ = '}' # PYCHOK RBRACE
345_reciprocal_ = 'reciprocal' # PYCHOK OK
346_reframe_ = 'reframe' # PYCHOK OK
347_resolution_ = 'resolution' # PYCHOK OK
348_rIn_ = 'rIn' # PYCHOK OK
349_RPAREN_ = ')' # PYCHOK OK
350_RSQUARE_ = ']' # PYCHOK RBRACK
351_s_ = 's' # PYCHOK OK
352_S_ = 'S' # PYCHOK OK
353_s12_ = 's12' # PYCHOK OK
354_S12_ = 'S12' # PYCHOK OK
355_scalar_ = 'scalar' # PYCHOK OK
356_scale_ = 'scale' # PYCHOK OK
357_scale0_ = 'scale0' # PYCHOK OK
358_scipy_ = 'scipy' # PYCHOK OK
359_semi_circular_ = 'semi-circular' # PYCHOK OK
360_sep_ = 'sep' # PYCHOK OK
361_sets_ = 'sets' # PYCHOK OK
362_singular_ = 'singular' # PYCHOK OK
363_SLASH_ = Str_('/') # PYCHOK OK
364_small_ = 'small' # PYCHOK OK
365_Sphere_ = 'Sphere' # PYCHOK OK
366_spherical_ = 'spherical' # PYCHOK OK
367_SouthPole_ = 'SouthPole' # PYCHOK OK
368_SPACE_ = Str_(' ') # PYCHOK OK
369_specified_ = 'specified' # PYCHOK OK
370_STAR_ = Str_('*') # PYCHOK OK
371_start_ = 'start' # PYCHOK OK
372_std_ = 'std' # PYCHOK OK
373_stdev_ = 'stdev' # PYCHOK OK
374_supported_ = 'supported' # PYCHOK OK
375_sx_ = 'sx' # PYCHOK OK
376_sy_ = 'sy' # PYCHOK OK
377_sz_ = 'sz' # PYCHOK OK
378_tbd_ = 'tbd' # PYCHOK OK
379_TILDE_ = '~' # PYCHOK OK
380_till_ = 'till' # PYCHOK OK
381_to_ = 'to' # PYCHOK OK
382_tolerance_ = _Prefix('tolerance') # PYCHOK OK
383_too_ = _Prefix('too') # PYCHOK OK
384_transform_ = 'transform' # PYCHOK OK
385_tx_ = 'tx' # PYCHOK OK
386_ty_ = 'ty' # PYCHOK OK
387_tz_ = 'tz' # PYCHOK OK
388_UNDER_ = Str_('_') # PYCHOK OK
390def _UNDER(name): # PYCHOK in .datums, .rhumbx, .ups, .utm, .utmupsBase
391 '''(INTERNAL) Prefix C{name} with I{underscore}.
392 '''
393 return name if name.startswith(_UNDER_) else NN(_UNDER_, name)
395_units_ = 'units' # PYCHOK OK
396_up_ = 'up' # PYCHOK OK
397_UPS_ = 'UPS' # PYCHOK OK
398_utf_8_ = 'utf-8' # PYCHOK OK
399_UTM_ = 'UTM' # PYCHOK OK
400_V_ = 'V' # PYCHOK OK
401_valid_ = 'valid' # PYCHOK OK
402_value_ = 'value' # PYCHOK OK
403_version_ = 'version' # PYCHOK OK
404_vs_ = 'vs' # PYCHOK OK
405_W_ = 'W' # PYCHOK OK
406_WGS72_ = 'WGS72' # PYCHOK OK
407_WGS84_ = 'WGS84' # PYCHOK OK
408_width_ = 'width' # PYCHOK OK
409_with_ = 'with' # PYCHOK OK
410_x_ = 'x' # PYCHOK OK
411_X_ = 'X' # PYCHOK OK
412_xyz_ = 'xyz' # PYCHOK OK
413_y_ = 'y' # PYCHOK OK
414_Y_ = 'Y' # PYCHOK OK
415_z_ = 'z' # PYCHOK OK
416_Z_ = 'Z' # PYCHOK OK
417_zone_ = 'zone' # PYCHOK OK
419_EW_ = _E_ + _W_ # PYCHOK common cardinals
420_NE_ = _N_ + _E_ # PYCHOK positive ones
421_NS_ = _N_ + _S_ # PYCHOK OK
422_NSEW_ = _NS_ + _EW_ # PYCHOK OK
423_NW_ = _N_ + _W_ # PYCHOK OK
424_SE_ = _S_ + _E_ # PYCHOK OK
425_SW_ = _S_ + _W_ # PYCHOK negative ones
426# _NESW_ = _NE_ + _SW_ # PYCHOK clockwise
428_DDOT_ = Str_(_DOT_ * 2) # PYCHOK OK
429# _DEQUAL_ = Str_(_EQUAL_ * 2) # PYCHOK OK
430_DNL_ = Str_(_NL_ * 2) # PYCHOK OK
431# _DSLASH_ = Str_(_SLASH_ * 2) # PYCHOK OK
432# _DSTAR_ = Str_(_STAR_ * 2) # PYCHOK OK
433_DUNDER_ = Str_(_UNDER_ * 2) # PYCHOK OK
435_LR_PAIRS = {_LANGLE_: _RANGLE_,
436 _LCURLY_: _RCURLY_,
437 _LPAREN_: _RPAREN_,
438 _LSQUARE_: _RSQUARE_} # PYCHOK OK
441def _dunder_nameof(inst, *dflt):
442 '''(INTERNAL) Get the double_underscore __name__ attr.
443 '''
444 try:
445 return inst.__name__
446 except AttributeError:
447 pass
448 return dflt[0] if dflt else inst.__class__.__name__
451def _enquote(strs, quote=_QUOTE2_): # in .basics
452 '''(INTERNAL) Enquote a string containing whitespace.
453 '''
454 if len(strs.split()) > 1:
455 strs = NN(quote, strs, quote)
456 return strs
459def _load_lib(name):
460 '''(INTERNAL) Load a C{dylib}, B{C{name}} must startwith('lib').
461 '''
462 # macOS 11+ (aka 10.16) no longer provides direct loading of
463 # system libraries, instead it installs the library after a
464 # low-level dlopen(name) call where name is the library base
465 # name. As a result, ctypes.util.find_library can not find
466 # any library not previously dlopen'ed.
467 from ctypes import CDLL
468 from ctypes.util import find_library
469 from sys import platform
471 ns = find_library(name), name
472 if platform[:6] == 'darwin': # and os.name == 'posix'
473 from ctypes import _dlopen
474 from os.path import join
475 ns += (_DOT_(name, 'dylib'),
476 _DOT_(name, 'framework'), join(
477 _DOT_(name, 'framework'), name))
478 else: # non-macOS
479 def _dlopen(unused):
480 return True
482 for n in ns:
483 try:
484 if n and _dlopen(n): # handle
485 lib = CDLL(n) # == ctypes.cdll.LoadLibrary(n)
486 if lib._name: # has a qualified name
487 return lib
488 except (AttributeError, OSError):
489 pass
491 return None # raise OSError
494def machine():
495 '''Return standard C{platform.machine}, but distinguishing Intel I{native}
496 from Intel I{emulation} on Apple Silicon (on macOS only).
498 @return: Machine C{'arm64'} for Apple Silicon I{native}, C{'x86_64'}
499 for Intel I{native}, C{"arm64_x86_64"} for Intel I{emulation},
500 etc. (C{str} with C{comma}s replaced by C{underscore}s).
501 '''
502 return _platform2()[1]
505def _platform2(sep=NN):
506 '''(INTERNAL) Get platform architecture and machine as C{2-list} or C{str}.
507 '''
508 global _pl2List
509 if _pl2List is None:
510 import platform
511 m = platform.machine() # ARM64, arm64, x86_64, iPhone13,2, etc.
512 m = m.replace(_COMMA_, _UNDER_)
513 if m.lower() == 'x86_64': # on Intel or Rosetta2 ...
514 v = platform.mac_ver() # ... and only on macOS ...
515 if v and _version2(v[0]) > (10, 15): # ... 11+ aka 10.16
516 # <https://Developer.Apple.com/forums/thread/659846>
517 if _sysctl_uint('sysctl.proc_translated') == 1: # and \
518# _sysctl_uint('hw.optional.arm64') == 1: # PYCHOK indent
519 m = _UNDER_('arm64', m) # Apple Si emulating Intel x86-64
520 _pl2List = [platform.architecture()[0], # bits
521 m] # arm64, arm64_x86_64, x86_64, etc.
522 return sep.join(_pl2List) if sep else _pl2List # 2-list()
525def _pythonarchine(sep=NN): # in test/base.py versions
526 '''(INTERNAL) Get PyPy and Python versions and C{_platform2} as C{3-} or C{4-list} or C{str}.
527 '''
528 global _Py3List
529 if _Py3List is None:
530 from sys import version # XXX shadows?
531 _Py3List = [_Python_(version)] + _platform2()
532 if _PyPy__ in version: # see test/base.py
533 v = version.split(_PyPy__)[1].split(None, 1)[0]
534 _Py3List.insert(0, NN(_PyPy__, v))
535 return sep.join(_Py3List) if sep else _Py3List # 3- or 4-list
538def _splituple(strs, *sep_splits): # in .basics, .mgrs
539 '''(INTERNAL) Split a C{comma}- or C{whitespace}-separated
540 string into a C{tuple} of stripped strings.
541 '''
542 t = (strs.split(*sep_splits) if sep_splits else
543 strs.replace(_COMMA_, _SPACE_).split()) if strs else ()
544 return tuple(s.strip() for s in t if s)
547def _sysctl_uint(name):
548 '''(INTERNAL) Get an unsigned int sysctl item by name, use on macOS ONLY!
549 '''
550 libc = _load_lib('libc')
551 if libc: # <https://StackOverflow.com/questions/759892/python-ctypes-and-sysctl>
552 from ctypes import byref, c_char_p, c_size_t, c_uint, sizeof # get_errno
553 n = name if str is bytes else bytes(name, _utf_8_) # PYCHOK isPython2 = str is bytes
554 u = c_uint(0)
555 z = c_size_t(sizeof(u))
556 r = libc.sysctlbyname(c_char_p(n), byref(u), byref(z), None, c_size_t(0))
557 else: # could find or load 'libc'
558 r = -2
559 return int(r if r else u.value) # -1 ENOENT error, -2 no libc
562def _usage(file_py, *args): # in .etm
563 '''(INTERNAL) Build "usage: python -m ..." cmd line for module B{C{file_py}}.
564 '''
565 import os, sys # PYCHOK imports
566 p = NN(_python_, sys.version_info[0])
567 m = os.path.dirname(file_py).replace(os.getcwd(), _ELLIPSIS_) \
568 .replace(os.sep, _DOT_).strip()
569 b, x = os.path.splitext(os.path.basename(file_py))
570 if x == '.py' and b != '__main__':
571 m = _DOT_(m, b)
572 return NN('usage', _SPACE_(_COLON_, p, '-m', _enquote(m), *args))
575def _version2(version, n=2):
576 '''(INTERNAL) Split C{B{version} str} into 1-, 2- or 3-tuple of C{int}s.
577 '''
578 def _int(*vs):
579 for v in vs:
580 try:
581 yield int(v)
582 except (TypeError, ValueError):
583 pass
585 t = tuple(_int(*_splituple(version, _DOT_, 2))) + (0,) * n
586 return t[:n]
589__all__ = (_NN_, # not MISSING!
590 Str_.__name__, # classes
591 machine.__name__) # in .lazily
592__version__ = '23.04.11'
594if __name__ == '__main__':
596 from pygeodesy.errors import itemsorted
597 from pygeodesy.lazily import printf
599 t = b = 0
600 for n, v in itemsorted(locals(), asorted=False, reverse=True):
601 if n.endswith(_UNDER_) and n.startswith(_UNDER_) and \
602 not n.startswith(_DUNDER_):
603 t += 1
604 b += len(v)
605 m = n[1:-1]
606 if m != v and m.replace(_UNDER_, _SPACE_) != v:
607 printf('%4d: %s = %r', t, n, v)
608 n = len(locals())
609 printf('%4d (%d) names, %s chars total, %.2f chars avg', t, n, b, float(b) / t, nl=1)
611# **) MIT License
612#
613# Copyright (C) 2016-2023 -- mrJean1 at Gmail -- All Rights Reserved.
614#
615# Permission is hereby granted, free of charge, to any person obtaining a
616# copy of this software and associated documentation files (the "Software"),
617# to deal in the Software without restriction, including without limitation
618# the rights to use, copy, modify, merge, publish, distribute, sublicense,
619# and/or sell copies of the Software, and to permit persons to whom the
620# Software is furnished to do so, subject to the following conditions:
621#
622# The above copyright notice and this permission notice shall be included
623# in all copies or substantial portions of the Software.
624#
625# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
626# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
627# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
628# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
629# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
630# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
631# OTHER DEALINGS IN THE SOFTWARE.