Coverage for pygeodesy/internals.py: 92%
265 statements
« prev ^ index » next coverage.py v7.6.1, created at 2025-05-29 12:40 -0400
« prev ^ index » next coverage.py v7.6.1, created at 2025-05-29 12:40 -0400
2# -*- coding: utf-8 -*-
4u'''Mostly INTERNAL functions, except L{machine}, L{print_} and L{printf}.
5'''
6# from pygeodesy.basics import isiterablen, ubstr # _MODS
7# from pygeodesy.errors import _AttributeError, _error_init, _UnexpectedError, _xError2 # _MODS
8from pygeodesy.interns import _BAR_, _COLON_, _DASH_, _DMAIN_, _DOT_, _ELLIPSIS_, _EQUALSPACED_, \
9 _immutable_, _NL_, NN, _pygeodesy_, _PyPy__, _python_, _QUOTE1_, \
10 _QUOTE2_, _s_, _SPACE_, _sys, _UNDER_
11from pygeodesy.interns import _COMMA_, _Python_ # PYCHOK used!
12# from pygeodesy.streprs import anstr, pairs, unstr # _MODS
14# import os # _MODS
15# import os.path # _MODS
16# import sys as _sys # from .interns
18_0_0 = 0.0 # PYCHOK in .basics, .constants
19_100_0 = 100.0 # in .constants
20_arm64_ = 'arm64'
21_iOS_ = 'iOS'
22_macOS_ = 'macOS'
23_SIsecs = 'fs', 'ps', 'ns', 'us', 'ms', 'sec' # reversed
24_Windows_ = 'Windows'
27def typename(obj, *dflt):
28 '''Get the C{obj.__name__}, the C{dflt} or its outer C{type.__name__} or C{NN} (C{str}).
29 '''
30 try:
31 return obj.__name__
32 except (AttributeError, ImportError): # LazyImportError
33 pass
34 return dflt[0] if dflt else typename(type(obj), NN)
37def _Property_RO(method):
38 '''(INTERNAL) Can't import L{props.Property_RO}, I{recursively}.
39 '''
40 name = typename(method)
42 def _del(inst, *unused): # PYCHOK no cover
43 inst.__dict__.pop(name, None)
45 def _get(inst, *unused): # PYCHOK 2 vs 3 args
46 try: # to get the cached value immediately
47 v = inst.__dict__[name]
48 except (AttributeError, KeyError):
49 # cache the value in the instance' __dict__
50 inst.__dict__[name] = v = method(inst)
51 return v
53 def _set(inst, val): # PYCHOK no cover
54 setattr(inst, name, val) # force error
56 return property(_get, _set, _del)
59class _MODS_Base(object):
60 '''(INTERNAL) Base-class for C{lazily._ALL_MODS}.
61 '''
62 def __delattr__(self, attr): # PYCHOK no cover
63 self.__dict__.pop(attr, None)
65 def __setattr__(self, attr, value): # PYCHOK no cover
66 e = _MODS.errors
67 n = _DOT_(self.name, attr)
68 t = _EQUALSPACED_(n, repr(value))
69 raise e._AttributeError(_immutable_, txt=t)
71 @_Property_RO
72 def basics(self):
73 '''Get module C{pygeodesy.basics}, I{once}.
74 '''
75 from pygeodesy import basics as b # DON'T _lazy_import2
76 return b
78 @_Property_RO
79 def bits_machine2(self):
80 '''Get platform 2-list C{[bits, machine]}, I{once}.
81 '''
82 import platform as p
83 m = p.machine() # ARM64, arm64, x86_64, iPhone13,2, etc.
84 m = m.replace(_COMMA_, _UNDER_)
85 if m.lower() == 'x86_64': # PYCHOK on Intel or Rosetta2 ...
86 v = p.mac_ver()[0] # ... and only on macOS ...
87 if v and _version2(v) > (10, 15): # ... 11+ aka 10.16
88 # <https://Developer.Apple.com/forums/thread/659846>
89 # _sysctl_uint('hw.optional.arm64') and \
90 if _sysctl_uint('sysctl.proc_translated'):
91 m = _UNDER_(_arm64_, m) # Apple Si emulating Intel x86-64
92 return [p.architecture()[0], # bits
93 m] # arm64, arm64_x86_64, x86_64, etc.
95 @_Property_RO
96 def ctypes3(self):
97 '''Get C{ctypes.CDLL}, C{find_library} and C{dlopen}, I{once}.
98 '''
99 import ctypes as c
100 from ctypes.util import find_library as f
102 def dlopen(name): # on macOS only
103 return c._dlopen(name, c.DEFAULT_MODE)
105 return c.CDLL, f, (dlopen if _ismacOS() else None)
107 @_Property_RO
108 def errors(self):
109 '''Get module C{pygeodesy.errors}, I{once}.
110 '''
111 from pygeodesy import errors as e # DON'T _lazy_import2
112 return e
114 @_Property_RO
115 def inspect(self): # in .basics
116 '''Get module C{inspect}, I{once}.
117 '''
118 import inspect as i
119 return i
121 def ios_ver(self):
122 '''Mimick C{platform.xxx_ver} for C{iOS}.
123 '''
124 try: # Pythonista only
125 from platform import iOS_ver
126 t = iOS_ver()
127 except (AttributeError, ImportError):
128 t = NN, (NN, NN, NN), NN
129 return t
131 @_Property_RO
132 def name(self):
133 '''Get this name (C{str}).
134 '''
135 return typename(type(self))
137 @_Property_RO
138 def nix2(self): # PYCHOK no cover
139 '''Get Linux 2-tuple C{(distro, version)}, I{once}.
140 '''
141 from platform import uname
142 v, n = NN, uname()[0] # [0] == .system
143 if n.lower() == 'linux':
144 try: # use distro only on Linux, not macOS, etc.
145 import distro # <https://PyPI.org/project/distro>
146 _a = _MODS.streprs.anstr
147 v = _a(distro.version()) # first
148 n = _a(distro.id()) # .name()?
149 except (AttributeError, ImportError):
150 pass # v = str(_0_0)
151 n = n.capitalize()
152 return n, v
154 def nix_ver(self): # PYCHOK no cover
155 '''Mimick C{platform.xxx_ver} for C{*nix}.
156 '''
157 _, v = _MODS.nix2
158 t = _version2(v, n=3) if v else (NN, NN, NN)
159 return v, t, machine()
161 @_Property_RO
162 def os(self):
163 '''Get module C{os}, I{once}.
164 '''
165 import os as o
166 import os.path
167 return o
169 @_Property_RO
170 def osversion2(self):
171 '''Get 2-list C{[OS, release]}, I{once}.
172 '''
173 import platform as p
174 _Nix, _ = _MODS.nix2
175 # - mac_ver() returns ('10.12.5', ..., 'x86_64') on
176 # macOS and ('10.3.3', ..., 'iPad4,2') on iOS
177 # - win32_ver is ('XP', ..., 'SP3', ...) on Windows XP SP3
178 # - platform() returns 'Darwin-16.6.0-x86_64-i386-64bit'
179 # on macOS and 'Darwin-16.6.0-iPad4,2-64bit' on iOS
180 # - sys.platform is 'darwin' on macOS, 'ios' on iOS,
181 # 'win32' on Windows and 'cygwin' on Windows/Gygwin
182 # - distro.id() and .name() return 'Darwin' on macOS
183 for n, v in ((_iOS_, _MODS.ios_ver),
184 (_macOS_, p.mac_ver),
185 (_Windows_, p.win32_ver),
186 (_Nix, _MODS.nix_ver),
187 ('Java', p.java_ver),
188 ('uname', p.uname)):
189 v = v()[0]
190 if v and n:
191 break
192 else:
193 n = v = NN # XXX AssertionError?
194 return [n, v]
196 @_Property_RO
197 def _Popen_kwds2(self):
198 '''(INTERNAL) Get C{subprocess.Popen} and C{-kwds}.
199 '''
200 import subprocess as s
201 kwds = dict(creationflags=0, # executable=sys.executable, shell=True,
202 stdin=s.PIPE, stdout=s.PIPE, stderr=s.STDOUT)
203 if _MODS.sys_version_info2 > (3, 6):
204 kwds.update(text=True)
205 return s.Popen, kwds
207 @_Property_RO
208 def Pythonarchine(self):
209 '''Get 3- or 4-list C{[PyPy, Python, bits, machine]}, I{once}.
210 '''
211 v = _sys.version
212 l3 = [_Python_(v)] + _MODS.bits_machine2
213 pypy = _PyPy__(v)
214 if pypy: # PYCHOK no cover
215 l3.insert(0, pypy)
216 return l3
218 @_Property_RO
219 def streprs(self):
220 '''Get module C{pygeodesy.streprs}, I{once}.
221 '''
222 from pygeodesy import streprs as s # DON'T _lazy_import2
223 return s
225 @_Property_RO
226 def sys_version_info2(self):
227 '''Get C{sys.version_inf0[:2], I{once}.
228 '''
229 return _sys.version_info[:2]
231 @_Property_RO
232 def version(self):
233 '''Get pygeodesy version, I{once}.
234 '''
235 from pygeodesy import version as v
236 return v
238_MODS = _MODS_Base() # PYCHOK overwritten by .lazily
241def _caller3(up, base=True): # in .lazily, .named
242 '''(INTERNAL) Get 3-tuple C{(caller name, file name, line number)}
243 for the caller B{C{up}} frames back in the Python call stack.
245 @kwarg base: Use C{B{base}=False} for the fully-qualified file
246 name, otherwise the base (module) name (C{bool}).
247 '''
248 f = None
249 _b = _MODS.os.path.basename if base else _passarg
250 try:
251 f = _sys._getframe(up + 1) # == inspect.stack()[up + 1][0]
252 t = _MODS.inspect.getframeinfo(f)
253 t = t.function, _b(t.filename), t.lineno
254# or ...
255 # f = _sys._getframe(up + 1)
256 # c = f.f_code
257 # t = (c.co_name, # caller name
258 # _b(c.co_filename), # file name .py
259 # f.f_lineno) # line number
260# or ...
261 # t = _MODS.inspect.stack()[up + 1] # (frame, filename, lineno, function, ...)
262 # t = t[3], _b(t[1]), t[2]
263 except (AttributeError, IndexError, ValueError):
264 # sys._getframe(1) ... 'importlib._bootstrap' line 1032,
265 # may throw a ValueError('call stack not deep enough')
266 t = NN, NN, 0
267 finally:
268 del f # break ref cycle
269 return t
272def _enquote(strs, quote=_QUOTE2_, white=NN): # in .basics, .solveBase
273 '''(INTERNAL) Enquote a string containing whitespace or replace
274 whitespace by C{white} if specified.
275 '''
276 if strs:
277 t = strs.split()
278 if len(t) > 1:
279 strs = white.join(t if white else (quote, strs, quote))
280 return strs
283def _envPYGEODESY(which, dflt=NN):
284 '''(INTERNAL) Return an C{PYGEODESY_...} ENV value or C{dflt}.
285 '''
286 return _getenv(_PYGEODESY_ENV(which), dflt)
289def _fper(p, q, per=_100_0, prec=1):
290 '''Format a percentage C{B{p} * B{per} / B{q}} (C{str}).
291 '''
292 return '%.*f%%' % (prec, (float(p) * per / float(q)))
295_getenv = _MODS.os.getenv # PYCHOK in .lazily, ...
298def _headof(name):
299 '''(INTERNAL) Get the head name of qualified C{name} or the C{name}.
300 '''
301 i = name.find(_DOT_)
302 return name if i < 0 else name[:i]
305# def _is(a, b): # PYCHOK no cover
306# '''(INTERNAL) C{a is b}? in C{PyPy}
307# '''
308# return (a == b) if _isPyPy() else (a is b)
311def _isAppleSi(): # PYCHOK no cover
312 '''(INTERNAL) Is this C{macOS on Apple Silicon}? (C{bool})
313 '''
314 return _ismacOS() and machine().startswith(_arm64_)
317def _isiOS(): # in test/bases
318 '''(INTERNAL) Is this C{iOS}? (C{bool})
319 '''
320 return _MODS.osversion2[0] is _iOS_
323def _ismacOS(): # in test/bases
324 '''(INTERNAL) Is this C{macOS}? (C{bool})
325 '''
326 return _sys.platform[:6] == 'darwin' and \
327 _MODS.osversion2[0] is _macOS_ # and _MODS.os.name == 'posix'
330def _isNix(): # in test/bases
331 '''(INTERNAL) Is this a C{Linux} distro? (C{str} or L{NN})
332 '''
333 return _MODS.nix2[0]
336def _isPyChOK(): # PYCHOK no cover
337 '''(INTERNAL) Is C{PyChecker} running? (C{bool})
338 '''
339 # .../pychecker/checker.py --limit 0 --stdlib pygeodesy/<mod>/<name>.py
340 return _sys.argv[0].endswith('/pychecker/checker.py') or \
341 bool(_envPYGEODESY('PYCHOK'))
344def _isPyPy(): # in test/bases
345 '''(INTERNAL) Is this C{PyPy}? (C{bool})
346 '''
347 # platform.python_implementation() == 'PyPy'
348 return _MODS.Pythonarchine[0].startswith(_PyPy__)
351def _isWindows(): # in test/bases
352 '''(INTERNAL) Is this C{Windows}? (C{bool})
353 '''
354 return _sys.platform[:3] == 'win' and \
355 _MODS.osversion2[0] is _Windows_
358def _load_lib(name):
359 '''(INTERNAL) Load a C{dylib}, B{C{name}} must startwith('lib').
360 '''
361 CDLL, find_lib, dlopen = _MODS.ctypes3
362 ns = find_lib(name), name
363 if dlopen:
364 # macOS 11+ (aka 10.16) no longer provides direct loading of
365 # system libraries. As a result, C{ctypes.util.find_library}
366 # will not find any library, unless previously installed by a
367 # low-level dlopen(name) call (with the library base C{name}).
368 ns += (_DOT_(name, 'dylib'),
369 _DOT_(name, 'framework'), _MODS.os.path.join(
370 _DOT_(name, 'framework'), name))
371 else: # not macOS
372 dlopen = _passarg # no-op
374 for n in ns:
375 try:
376 if n and dlopen(n): # pre-load handle
377 lib = CDLL(n) # == ctypes.cdll.LoadLibrary(n)
378 if lib._name: # has a qualified name
379 return lib
380 except (AttributeError, OSError):
381 pass
383 return None # raise OSError
386def machine():
387 '''Return standard C{platform.machine}, but distinguishing Intel I{native}
388 from Intel I{emulation} on Apple Silicon (on macOS only).
390 @return: Machine C{'arm64'} for Apple Silicon I{native}, C{'x86_64'}
391 for Intel I{native}, C{"arm64_x86_64"} for Intel I{emulation},
392 etc. (C{str} with C{comma}s replaced by C{underscore}s).
393 '''
394 return _MODS.bits_machine2[1]
397def _name_version(pkg):
398 '''(INTERNAL) Return C{pkg.__name__ + ' ' + .__version__}.
399 '''
400 return _SPACE_(typename(pkg), pkg.__version__) # _DVERSION_
403def _osversion2(sep=NN): # in .lazily, test/bases.versions
404 '''(INTERNAL) Get the O/S name and release as C{2-list} or C{str}.
405 '''
406 l2 = _MODS.osversion2
407 return sep.join(l2) if sep else l2 # 2-list()
410def _passarg(arg):
411 '''(INTERNAL) Helper, no-op.
412 '''
413 return arg
416def _passargs(*args):
417 '''(INTERNAL) Helper, no-op.
418 '''
419 return args
422def _plural(noun, n, nn=NN):
423 '''(INTERNAL) Return C{noun}['s'] or C{NN}.
424 '''
425 return NN(noun, _s_) if n > 1 else (noun if n else nn)
428def _popen2(cmd, stdin=None): # in .mgrs, .solveBase, .testMgrs
429 '''(INTERNAL) Invoke C{B{cmd} tuple} and return 2-tuple C{(std, status)}
430 with all C{stdout/-err} output, I{stripped} and C{int} exit status.
431 '''
432 _Popen, kwds = _MODS._Popen_kwds2
433 p = _Popen(cmd, **kwds) # PYCHOK kwArgs
434 r = p.communicate(stdin)[0] # stdout + NL + stderr
435 return _MODS.basics.ub2str(r).strip(), p.returncode
438def print_(*args, **nl_nt_prec_prefix__end_file_flush_sep__kwds): # PYCHOK no cover
439 '''Python 3+ C{print}-like formatting and printing.
441 @arg args: Values to be converted to C{str} and joined by B{C{sep}},
442 all positional.
444 @see: Function L{printf} for further details.
445 '''
446 return printf(NN, *args, **nl_nt_prec_prefix__end_file_flush_sep__kwds)
449def printf(fmt, *args, **nl_nt_prec_prefix__end_file_flush_sep__kwds):
450 '''C{Printf-style} and Python 3+ C{print}-like formatting and printing.
452 @arg fmt: U{Printf-style<https://Docs.Python.org/3/library/stdtypes.html#
453 printf-style-string-formatting>} format specification (C{str}).
454 @arg args: Arguments to be formatted (any C{type}, all positional).
455 @kwarg nl_nt_prec_prefix__end_file_flush_sep__kwds: Optional keyword arguments
456 C{B{nl}=0} for the number of leading blank lines (C{int}), C{B{nt}=0}
457 the number of trailing blank lines (C{int}), C{B{prefix}=NN} to be
458 inserted before the formatted text (C{str}) and Python 3+ C{print}
459 keyword arguments C{B{end}}, C{B{sep}}, C{B{file}} and C{B{flush}}.
460 Any remaining C{B{kwds}} are C{printf-style} name-value pairs to be
461 formatted, I{iff no B{C{args}} are present} using C{B{prec}=6} for
462 the number of decimal digits (C{int}).
464 @return: Number of bytes written.
465 '''
466 b, e, f, fl, p, s, kwds = _print7(**nl_nt_prec_prefix__end_file_flush_sep__kwds)
467 try:
468 if args:
469 t = (fmt % args) if fmt else s.join(map(str, args))
470 elif kwds:
471 t = (fmt % kwds) if fmt else s.join(
472 _MODS.streprs.pairs(kwds, prec=p))
473 else:
474 t = fmt
475 except Exception as x:
476 _E, s = _MODS.errors._xError2(x)
477 unstr = _MODS.streprs.unstr
478 t = unstr(printf, fmt, *args, **nl_nt_prec_prefix__end_file_flush_sep__kwds)
479 raise _E(s, txt=t, cause=x)
480 try:
481 n = f.write(NN(b, t, e))
482 except UnicodeEncodeError: # XXX only Windows
483 t = t.replace('\u2032', _QUOTE1_).replace('\u2033', _QUOTE2_)
484 n = f.write(NN(b, t, e))
485 if fl: # PYCHOK no cover
486 f.flush()
487 return n
490def _print7(nl=0, nt=0, prec=6, prefix=NN, sep=_SPACE_, file=_sys.stdout,
491 end=_NL_, flush=False, **kwds):
492 '''(INTERNAL) Unravel the C{printf} and remaining keyword arguments.
493 '''
494 if nl > 0:
495 prefix = NN(_NL_ * nl, prefix)
496 if nt > 0:
497 end = NN(end, _NL_ * nt)
498 return prefix, end, file, flush, prec, sep, kwds
501def _PYGEODESY_ENV(which):
502 '''(INTERNAL) Return an ENV C{str} C{PYGEODESY_...}.
503 '''
504 return _UNDER_(_pygeodesy_, typename(which, which)).upper()
507def _Pythonarchine(sep=NN): # in .lazily, test/bases versions
508 '''(INTERNAL) Get PyPy and Python versions, bits and machine as C{3- or 4-list} or C{str}.
509 '''
510 l3 = _MODS.Pythonarchine
511 return sep.join(l3) if sep else l3 # 3- or 4-list
514def _secs2str(secs): # in .geoids, ../test/bases
515 '''Convert a time in C{secs} to C{str}.
516 '''
517 if secs < _100_0:
518 unit = len(_SIsecs) - 1
519 while 0 < secs < 1 and unit > 0:
520 secs *= 1e3 # _1000_0
521 unit -= 1
522 t = '%.3f %s' % (secs, _SIsecs[unit])
523 else:
524 m, s = divmod(secs, 60)
525 if m < 60:
526 t = '%d:%06.3f' % (int(m), s)
527 else:
528 h, m = divmod(int(m), 60)
529 t = '%d:%02d:%06.3f' % (h, m, s)
530 return t
533def _sizeof(obj, deep=True):
534 '''(INTERNAL) Recursively size an C{obj}ect.
536 @kwarg deep: If C{True}, include the size of all
537 C{.__dict__.values()} (C{bool}).
539 @return: The C{obj} size in bytes (C{int}), ignoring
540 class attributes and counting instances only
541 once or C{None}.
543 @note: With C{PyPy}, the returned size is always C{None}.
544 '''
545 try:
546 _zB = _sys.getsizeof
547 _zD = _zB(None) # some default
548 except TypeError: # PyPy3.10
549 return None
551 b = _MODS.basics
552 _isiterablen = b.isiterablen
553 _Str_Bytes = b._Strs + b._Bytes # + (range, map)
555 def _zR(s, iterable):
556 z, _s = 0, s.add
557 for o in iterable:
558 i = id(o)
559 if i not in s:
560 _s(i)
561 z += _zB(o, _zD)
562 if isinstance(o, dict):
563 z += _zR(s, o.keys())
564 z += _zR(s, o.values())
565 elif _isiterablen(o) and not \
566 isinstance(o, _Str_Bytes):
567 z += _zR(s, o)
568 elif deep:
569 try: # size instance' attr values only
570 z += _zR(s, o.__dict__.values())
571 except AttributeError: # None, int, etc.
572 pass
573 return z
575 return _zR(set(), (obj,))
578def _sysctl_uint(name):
579 '''(INTERNAL) Get an C{unsigned int sysctl} item by name, I{ONLY on macOS!}
580 '''
581 libc = _load_lib('libc') if _ismacOS() else None
582 if libc: # <https://StackOverflow.com/questions/759892/python-ctypes-and-sysctl>
583 import ctypes as c
584 n = c.c_char_p(_MODS.basics.str2ub(name)) # bytes(name, _utf_8_)
585 u = c.c_uint(0)
586 z = c.c_size_t(c.sizeof(u))
587 r = libc.sysctlbyname(n, c.byref(u), c.byref(z), None, c.c_size_t(0)) # PYCHOK attr
588 else: # not macOS or couldn't find or load 'libc'=
589 r = -2
590 return int(r if r else u.value) # -1 ENOENT error, -2 no libc or not macOS
593def _tailof(name):
594 '''(INTERNAL) Get the base name of qualified C{name} or the C{name}.
595 '''
596 i = name.rfind(_DOT_) + 1
597 return name[i:] if i > 0 else name
600def _under(name): # PYCHOK in .datums, .auxilats, .geodesicw, .ups, .utm, .utmupsBase, ...
601 '''(INTERNAL) Prefix C{name} with an I{underscore}.
602 '''
603 return name if name.startswith(_UNDER_) else NN(_UNDER_, name)
606def _usage(file_py, *args, **opts_help): # in .etm, .geodesici # PYCHOK no cover
607 '''(INTERNAL) Build "usage: python -m ..." cmd line for module B{C{file_py}}.
608 '''
609 if opts_help:
611 def _help(alts=(), help=NN, **unused):
612 if alts and help:
613 h = NN(help, _SPACE_).lstrip(_DASH_)
614 for a in alts:
615 if a.startswith(h):
616 return NN(_DASH_, a),
618 def _opts(opts=NN, alts=(), **unused):
619 # opts='T--v-C-R meter-c|i|n|o'
620 d, fmt = NN, _MODS.streprs.Fmt.SQUARE
621 for o in (opts + _BAR_(*alts)).split(_DASH_):
622 if o:
623 yield fmt(NN(d, _DASH_, o.replace(_BAR_, ' | -')))
624 d = NN
625 else:
626 d = _DASH_
628 args = _help(**opts_help) or (tuple(_opts(**opts_help)) + args)
630 u = _COLON_(typename(_usage)[1:], NN)
631 return _SPACE_(u, *_usage_argv(file_py, *args))
634def _usage_argv(argv0, *args):
635 '''(INTERNAL) Return 3-tuple C{(python, '-m', module, *args)}.
636 '''
637 o = _MODS.os
638 m = o.path.dirname(argv0)
639 m = m.replace(o.getcwd(), _ELLIPSIS_) \
640 .replace(o.sep, _DOT_).strip()
641 b = o.path.basename(argv0)
642 b, x = o.path.splitext(b)
643 if x == '.py' and b != _DMAIN_:
644 m = _DOT_(m or _pygeodesy_, b)
645 p = NN(_python_, _MODS.sys_version_info2[0])
646 return (p, '-m', _enquote(m)) + args
649def _version2(version, n=2):
650 '''(INTERNAL) Split C{B{version} str} into a C{1-, 2- or 3-tuple} of C{int}s.
651 '''
652 t = _version_ints(version.split(_DOT_, 2))
653 if len(t) < n:
654 t += (0,) * n
655 return t[:n]
658def _version_info(package): # in .basics, .karney._kWrapped.Math
659 '''(INTERNAL) Get the C{package.__version_info__} as a 2- or
660 3-tuple C{(major, minor, revision)} if C{int}s.
661 '''
662 try:
663 return _version_ints(package.__version_info__)
664 except AttributeError:
665 return _version2(package.__version__.strip(), n=3)
668def _version_ints(vs):
669 # helper for _version2 and _version_info above
671 def _ints(vs):
672 for v in vs:
673 try:
674 yield int(v.strip())
675 except (TypeError, ValueError):
676 pass
678 return tuple(_ints(vs))
681def _versions(sep=_SPACE_):
682 '''(INTERNAL) Get pygeodesy, PyPy and Python versions, bits, machine and OS as C{8- or 9-list} or C{str}.
683 '''
684 l7 = [_pygeodesy_, _MODS.version] + _Pythonarchine() + _osversion2()
685 return sep.join(l7) if sep else l7 # 5- or 6-list
688__all__ = tuple(map(typename, (machine, print_, printf, typename)))
689__version__ = '25.05.26'
691if __name__ == _DMAIN_:
693 def _main():
694 from pygeodesy import _isfrozen, isLazy
696 print_(*(_versions(sep=NN) + ['_isfrozen', _isfrozen,
697 'isLazy', isLazy]))
699 _main()
701# % python3 -m pygeodesy.internals
702# pygeodesy 25.4.14 Python 3.13.2 64bit arm64 macOS 15.4 _isfrozen False isLazy 1
704# **) MIT License
705#
706# Copyright (C) 2016-2025 -- mrJean1 at Gmail -- All Rights Reserved.
707#
708# Permission is hereby granted, free of charge, to any person obtaining a
709# copy of this software and associated documentation files (the "Software"),
710# to deal in the Software without restriction, including without limitation
711# the rights to use, copy, modify, merge, publish, distribute, sublicense,
712# and/or sell copies of the Software, and to permit persons to whom the
713# Software is furnished to do so, subject to the following conditions:
714#
715# The above copyright notice and this permission notice shall be included
716# in all copies or substantial portions of the Software.
717#
718# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
719# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
720# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
721# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
722# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
723# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
724# OTHER DEALINGS IN THE SOFTWARE.