Coverage for pygeodesy/internals.py: 91%
275 statements
« prev ^ index » next coverage.py v7.10.7, created at 2026-03-25 15:01 -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, _ImmutableError, _UnexpectedError, _xError2 # _MODS
8from pygeodesy.interns import _BAR_, _COLON_, _DASH_, _DMAIN_, _DOT_, _ELLIPSIS_, _NL_, NN, \
9 _NLATvar_, _pygeodesy_, _PyPy__, _python_, _QUOTE1_, _QUOTE2_, \
10 _s_, _sys, _SPACE_, _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 _Enum(object): # in .elliptic, .utily
60 '''(INTERNAL) Enum-like, immutable items.
61 '''
62 # _ImmutableError = None
64 def __init__(self, **enums):
65 self.__dict__.update(enums)
66 # for item in enums.items():
67 # setattr(self, *item) # object.__setattr__
69 def __str__(self):
70 _unstr = _MODS.streprs.unstr
71 return _unstr(_Enum, **self.__dict__)
73 # def __delattr__(self, attr): # PYCHOK no cover
74 # raise _ImmutableError(self, attr) # _del_
76 # def __setattr__(self, attr, value): # PYCHOK no cover
77 # raise _ImmutableError(self, attr, value)
80class _MODS_Base(object):
81 '''(INTERNAL) Base-class for C{lazily._ALL_MODS}.
82 '''
83 def __delattr__(self, attr): # PYCHOK no cover
84 self.__dict__.pop(attr, None)
86 def __setattr__(self, attr, value): # PYCHOK no cover
87 raise _ImmutableError(self, attr, value)
89 @_Property_RO
90 def basics(self):
91 '''Get module C{pygeodesy.basics}, I{once}.
92 '''
93 from pygeodesy import basics as b # DON'T _lazy_import2
94 return b
96 @_Property_RO
97 def bits_machine2(self): # in test/bases.py
98 '''Get platform 2-list C{[bits, machine]}, I{once}.
99 '''
100 import platform as p
101 m = p.machine() # ARM64, arm64, x86_64, iPhone13,2, etc.
102 m = m.replace(_COMMA_, _UNDER_)
103 if m.lower() == 'x86_64': # PYCHOK on Intel or Rosetta2 ...
104 v = p.mac_ver()[0] # ... and only on macOS ...
105 if v and _version2(v) > (10, 15): # ... 11+ aka 10.16
106 # <https://Developer.Apple.com/forums/thread/659846>
107 # _sysctl_uint('hw.optional.arm64') and \
108 if _sysctl_uint('sysctl.proc_translated'):
109 m = _UNDER_(_arm64_, m) # Apple Si emulating Intel x86-64
110 return [p.architecture()[0], # bits
111 m] # arm64, arm64_x86_64, x86_64, etc.
113 @_Property_RO
114 def ctypes3(self):
115 '''Get C{ctypes.CDLL}, C{find_library} and C{dlopen}, I{once}.
116 '''
117 import ctypes as c
118 from ctypes.util import find_library as f
120 def dlopen(name): # on macOS only
121 return c._dlopen(name, c.DEFAULT_MODE)
123 return c.CDLL, f, (dlopen if _ismacOS() else None)
125 @_Property_RO
126 def errors(self):
127 '''Get module C{pygeodesy.errors}, I{once}.
128 '''
129 from pygeodesy import errors as e # DON'T _lazy_import2
130 return e
132 @_Property_RO
133 def inspect(self): # in .basics
134 '''Get module C{inspect}, I{once}.
135 '''
136 import inspect as i
137 return i
139 def ios_ver(self):
140 '''Mimick C{platform.xxx_ver} for C{iOS}.
141 '''
142 try: # Pythonista only
143 from platform import iOS_ver
144 t = iOS_ver()
145 except (AttributeError, ImportError):
146 t = NN, (NN, NN, NN), NN
147 return t
149 @_Property_RO
150 def name(self):
151 '''Get this name (C{str}).
152 '''
153 return typename(type(self))
155 @_Property_RO
156 def nix2(self): # PYCHOK no cover
157 '''Get Linux 2-tuple C{(distro, version)}, I{once}.
158 '''
159 from platform import uname
160 v, n = NN, uname()[0] # [0] == .system
161 if n.lower() == 'linux':
162 try: # use distro only on Linux, not macOS, etc.
163 import distro # <https://PyPI.org/project/distro>
164 _a = _MODS.streprs.anstr
165 v = _a(distro.version()) # first
166 n = _a(distro.id()) # .name()?
167 except (AttributeError, ImportError):
168 pass # v = str(_0_0)
169 n = n.capitalize()
170 return n, v
172 def nix_ver(self): # PYCHOK no cover
173 '''Mimick C{platform.xxx_ver} for C{*nix}.
174 '''
175 _, v = _MODS.nix2
176 t = _version2(v, n=3) if v else (NN, NN, NN)
177 return v, t, machine()
179 @_Property_RO
180 def os(self):
181 '''Get module C{os}, I{once}.
182 '''
183 import os as o
184 import os.path
185 return o
187 @_Property_RO
188 def osversion2(self):
189 '''Get 2-list C{[OS, release]}, I{once}.
190 '''
191 import platform as p
192 _Nix, _ = _MODS.nix2
193 # - mac_ver() returns ('10.12.5', ..., 'x86_64') on
194 # macOS and ('10.3.3', ..., 'iPad4,2') on iOS
195 # - win32_ver is ('XP', ..., 'SP3', ...) on Windows XP SP3
196 # - platform() returns 'Darwin-16.6.0-x86_64-i386-64bit'
197 # on macOS and 'Darwin-16.6.0-iPad4,2-64bit' on iOS
198 # - sys.platform is 'darwin' on macOS, 'ios' on iOS,
199 # 'win32' on Windows and 'cygwin' on Windows/Gygwin
200 # - distro.id() and .name() return 'Darwin' on macOS
201 for n, v in ((_iOS_, _MODS.ios_ver),
202 (_macOS_, p.mac_ver),
203 (_Windows_, p.win32_ver),
204 (_Nix, _MODS.nix_ver),
205# removed Py 3.15 ('Java', p.java_ver),
206 ('uname', p.uname)):
207 v = v()[0]
208 if v and n:
209 break
210 else:
211 n = v = NN # XXX AssertionError?
212 return [n, v]
214 @_Property_RO
215 def _Popen_kwds2(self):
216 '''(INTERNAL) Get C{subprocess.Popen} and C{-kwds}.
217 '''
218 import subprocess as s
219 kwds = dict(creationflags=0, # executable=sys.executable, shell=True,
220 stdin=s.PIPE, stdout=s.PIPE, stderr=s.STDOUT)
221 if _MODS.sys_version_info2 > (3, 6):
222 kwds.update(text=True)
223 return s.Popen, kwds
225 @_Property_RO
226 def Pythonarchine(self):
227 '''Get 3- or 4-list C{[PyPy, Python, bits, machine]}, I{once}.
228 '''
229 v = _sys.version
230 l3 = [_Python_(v)] + _MODS.bits_machine2
231 pypy = _PyPy__(v)
232 if pypy: # PYCHOK no cover
233 l3.insert(0, pypy)
234 return l3
236 @_Property_RO
237 def streprs(self):
238 '''Get module C{pygeodesy.streprs}, I{once}.
239 '''
240 from pygeodesy import streprs as s # DON'T _lazy_import2
241 return s
243 @_Property_RO
244 def sys_version_info2(self):
245 '''Get C{sys.version_inf0[:2], I{once}.
246 '''
247 return _sys.version_info[:2]
249 @_Property_RO
250 def version(self):
251 '''Get pygeodesy version, I{once}.
252 '''
253 from pygeodesy import version as v
254 return v
256_MODS = _MODS_Base() # PYCHOK overwritten by .lazily
259def _caller3(up, base=True): # in .lazily, .named
260 '''(INTERNAL) Get 3-tuple C{(caller name, file name, line number)}
261 for the caller B{C{up}} frames back in the Python call stack.
263 @kwarg base: Use C{B{base}=False} for the fully-qualified file
264 name, otherwise the base (module) name (C{bool}).
265 '''
266 f = None
267 _b = _MODS.os.path.basename if base else _passarg
268 try:
269 f = _sys._getframe(up + 1) # == inspect.stack()[up + 1][0]
270 t = _MODS.inspect.getframeinfo(f)
271 t = t.function, _b(t.filename), t.lineno
272# or ...
273 # f = _sys._getframe(up + 1)
274 # c = f.f_code
275 # t = (c.co_name, # caller name
276 # _b(c.co_filename), # file name .py
277 # f.f_lineno) # line number
278# or ...
279 # t = _MODS.inspect.stack()[up + 1] # (frame, filename, lineno, function, ...)
280 # t = t[3], _b(t[1]), t[2]
281 except (AttributeError, IndexError, ValueError):
282 # sys._getframe(1) ... 'importlib._bootstrap' line 1032,
283 # may throw a ValueError('call stack not deep enough')
284 t = NN, NN, 0
285 finally:
286 del f # break ref cycle
287 return t
290def _enquote(strs, quote=_QUOTE2_, white=NN): # in .basics, .solveBase
291 '''(INTERNAL) Enquote a string containing whitespace or replace
292 whitespace by C{white} if specified.
293 '''
294 if strs:
295 t = strs.split()
296 if len(t) > 1:
297 strs = white.join(t if white else (quote, strs, quote))
298 return strs
301def _envPYGEODESY(which, dflt=NN):
302 '''(INTERNAL) Return an C{PYGEODESY_...} ENV value or C{dflt}.
303 '''
304 return _getenv(_PYGEODESY_ENV(which), dflt)
307def _fper(p, q, per=_100_0, prec=1):
308 '''Format a percentage C{B{p} * B{per} / B{q}} (C{str}).
309 '''
310 return '%.*f%%' % (prec, (float(p) * per / float(q)))
313_getenv = _MODS.os.getenv # PYCHOK in .lazily, ...
316def _headof(name):
317 '''(INTERNAL) Get the head name of qualified C{name} or the C{name}.
318 '''
319 i = name.find(_DOT_)
320 return name if i < 0 else name[:i]
323def _ImmutableError(*inst_attr_value):
324 '''(INTERNAL) Format an C{_ImmutableError}.
325 '''
326 return _MODS.errors._ImmutableError(*inst_attr_value)
329# def _is(a, b): # PYCHOK no cover
330# '''(INTERNAL) C{a is b}? in C{PyPy}
331# '''
332# return (a == b) if _isPyPy() else (a is b)
335def _isAppleSi(): # PYCHOK no cover
336 '''(INTERNAL) Is this C{macOS on Apple Silicon}? (C{bool})
337 '''
338 return _ismacOS() and machine().startswith(_arm64_)
341def _isiOS(): # in test/bases
342 '''(INTERNAL) Is this C{iOS}? (C{bool})
343 '''
344 return _MODS.osversion2[0] is _iOS_
347def _ismacOS(): # in test/bases
348 '''(INTERNAL) Is this C{macOS}? (C{bool})
349 '''
350 return _sys.platform[:6] == 'darwin' and \
351 _MODS.osversion2[0] is _macOS_ # and _MODS.os.name == 'posix'
354def _isNix(): # in test/bases
355 '''(INTERNAL) Is this a C{Linux} distro? (C{str} or L{NN})
356 '''
357 return _MODS.nix2[0]
360def _isPyChOK(): # PYCHOK no cover
361 '''(INTERNAL) Is C{PyChecker} running? (C{bool})
362 '''
363 # .../pychecker/checker.py --limit 0 --stdlib pygeodesy/<mod>/<name>.py
364 return _sys.argv[0].endswith('/pychecker/checker.py') or \
365 bool(_envPYGEODESY('PYCHOK'))
368def _isPyPy(): # in test/bases
369 '''(INTERNAL) Is this C{PyPy}? (C{bool})
370 '''
371 # platform.python_implementation() == 'PyPy'
372 return _MODS.Pythonarchine[0].startswith(_PyPy__)
375def _isWindows(): # in test/bases
376 '''(INTERNAL) Is this C{Windows}? (C{bool})
377 '''
378 return _sys.platform[:3] == 'win' and \
379 _MODS.osversion2[0] is _Windows_
382def _load_lib(name):
383 '''(INTERNAL) Load a C{dylib}, B{C{name}} must startwith('lib').
384 '''
385 CDLL, find_lib, dlopen = _MODS.ctypes3
386 ns = find_lib(name), name
387 if dlopen:
388 # macOS 11+ (aka 10.16) no longer provides direct loading of
389 # system libraries. As a result, C{ctypes.util.find_library}
390 # will not find any library, unless previously installed by a
391 # low-level dlopen(name) call (with the library base C{name}).
392 ns += (_DOT_(name, 'dylib'),
393 _DOT_(name, 'framework'), _MODS.os.path.join(
394 _DOT_(name, 'framework'), name))
395 else: # not macOS
396 dlopen = _passarg # no-op
398 for n in ns:
399 try:
400 if n and dlopen(n): # pre-load handle
401 lib = CDLL(n) # == ctypes.cdll.LoadLibrary(n)
402 if lib._name: # has a qualified name
403 return lib
404 except (AttributeError, OSError):
405 pass
407 return None # raise OSError
410def machine():
411 '''Return standard C{platform.machine}, but distinguishing Intel I{native}
412 from Intel I{emulation} on Apple Silicon (on macOS only).
414 @return: Machine C{'arm64'} for Apple Silicon I{native}, C{'x86_64'}
415 for Intel I{native}, C{"arm64_x86_64"} for Intel I{emulation},
416 etc. (C{str} with C{comma}s replaced by C{underscore}s).
417 '''
418 return _MODS.bits_machine2[1]
421def _name_version(pkg):
422 '''(INTERNAL) Return C{pkg.__name__ + ' ' + .__version__}.
423 '''
424 return _SPACE_(typename(pkg), pkg.__version__) # _DVERSION_
427def _osversion2(sep=NN): # in .lazily, test/bases.versions
428 '''(INTERNAL) Get the O/S name and release as C{2-list} or C{str}.
429 '''
430 l2 = _MODS.osversion2
431 return sep.join(l2) if sep else l2 # 2-list()
434def _passarg(arg):
435 '''(INTERNAL) Helper, no-op.
436 '''
437 return arg
440def _passargs(*args):
441 '''(INTERNAL) Helper, no-op.
442 '''
443 return args
446def _plural(noun, n, nn=NN):
447 '''(INTERNAL) Return C{noun}['s'] or C{NN}.
448 '''
449 return NN(noun, _s_) if n > 1 else (noun if n else nn)
452def _popen2(cmd, stdin=None): # in .mgrs, .solveBase, .testMgrs
453 '''(INTERNAL) Invoke C{B{cmd} tuple} and return 2-tuple C{(std, status)}
454 with all C{stdout/-err} output, I{stripped} and C{int} exit status.
455 '''
456 _Popen, kwds = _MODS._Popen_kwds2
457 p = _Popen(cmd, **kwds) # PYCHOK kwArgs
458 r = p.communicate(stdin)[0] # stdout + NL + stderr
459 return _MODS.basics.ub2str(r).strip(), p.returncode
462def _pregistry(registry):
463 '''(INTERNAL) Print all items of a C{registry}.
464 '''
465 t = [NN] + registry.toRepr(all=True, asorted=True).split(_NL_)
466 printf(_NLATvar_.join(i.strip(_COMMA_) for i in t))
469def print_(*args, **nl_nt_prec_prefix__end_file_flush_sep__kwds): # PYCHOK no cover
470 '''Python 3+ C{print}-like formatting and printing.
472 @arg args: Values to be converted to C{str} and joined by B{C{sep}},
473 all positional.
475 @see: Function L{printf} for further details.
476 '''
477 return printf(NN, *args, **nl_nt_prec_prefix__end_file_flush_sep__kwds)
480def printf(fmt, *args, **nl_nt_prec_prefix__end_file_flush_sep__kwds):
481 '''C{Printf-style} and Python 3+ C{print}-like formatting and printing.
483 @arg fmt: U{Printf-style<https://Docs.Python.org/3/library/stdtypes.html#
484 printf-style-string-formatting>} format specification (C{str}).
485 @arg args: Arguments to be formatted (any C{type}, all positional).
486 @kwarg nl_nt_prec_prefix__end_file_flush_sep__kwds: Optional keyword arguments
487 C{B{nl}=0} for the number of leading blank lines (C{int}), C{B{nt}=0}
488 the number of trailing blank lines (C{int}), C{B{prefix}=NN} to be
489 inserted before the formatted text (C{str}) and Python 3+ C{print}
490 keyword arguments C{B{end}}, C{B{sep}}, C{B{file}} and C{B{flush}}.
491 Any remaining C{B{kwds}} are C{printf-style} name-value pairs to be
492 formatted, I{iff no B{C{args}} are present} using C{B{prec}=6} for
493 the number of decimal digits (C{int}).
495 @return: Number of bytes written.
496 '''
497 b, e, f, fl, p, s, kwds = _print7(**nl_nt_prec_prefix__end_file_flush_sep__kwds)
498 try:
499 if args:
500 t = (fmt % args) if fmt else s.join(map(str, args))
501 elif kwds:
502 t = (fmt % kwds) if fmt else s.join(
503 _MODS.streprs.pairs(kwds, prec=p))
504 else:
505 t = fmt
506 except Exception as x:
507 _Error, s = _MODS.errors._xError2(x)
508 _unstr = _MODS.streprs.unstr
509 t = _unstr(printf, fmt, *args, **nl_nt_prec_prefix__end_file_flush_sep__kwds)
510 raise _Error(s, txt=t, cause=x)
511 try:
512 n = f.write(NN(b, t, e))
513 except UnicodeEncodeError: # XXX only Windows
514 t = t.replace('\u2032', _QUOTE1_).replace('\u2033', _QUOTE2_)
515 n = f.write(NN(b, t, e))
516 if fl: # PYCHOK no cover
517 f.flush()
518 return n
521def _print7(nl=0, nt=0, prec=6, prefix=NN, sep=_SPACE_, file=_sys.stdout,
522 end=_NL_, flush=False, **kwds):
523 '''(INTERNAL) Unravel the C{printf} and remaining keyword arguments.
524 '''
525 if nl > 0:
526 prefix = NN(_NL_ * nl, prefix)
527 if nt > 0:
528 end = NN(end, _NL_ * nt)
529 return prefix, end, file, flush, prec, sep, kwds
532def _PYGEODESY_ENV(which):
533 '''(INTERNAL) Return an ENV C{str} C{PYGEODESY_...}.
534 '''
535 return _UNDER_(_pygeodesy_, typename(which, which)).upper()
538def _Pythonarchine(sep=NN): # in .lazily, test/bases versions
539 '''(INTERNAL) Get PyPy and Python versions, bits and machine as C{3- or 4-list} or C{str}.
540 '''
541 l3 = _MODS.Pythonarchine
542 return sep.join(l3) if sep else l3 # 3- or 4-list
545def _secs2str(secs): # in .geoids, ../test/bases
546 '''Convert a time in C{secs} to C{str}.
547 '''
548 if secs < _100_0:
549 unit = len(_SIsecs) - 1
550 while 0 < secs < 1 and unit > 0:
551 secs *= 1e3 # _1000_0
552 unit -= 1
553 t = '%.3f %s' % (secs, _SIsecs[unit])
554 else:
555 m, s = divmod(secs, 60)
556 if m < 60:
557 t = '%d:%06.3f' % (int(m), s)
558 else:
559 h, m = divmod(int(m), 60)
560 t = '%d:%02d:%06.3f' % (h, m, s)
561 return t
564def _sizeof(obj, deep=True):
565 '''(INTERNAL) Recursively size an C{obj}ect.
567 @kwarg deep: If C{True}, include the size of all
568 C{.__dict__.values()} (C{bool}).
570 @return: The C{obj} size in bytes (C{int}), ignoring
571 class attributes and counting instances only
572 once or C{None}.
574 @note: With C{PyPy}, the returned size is always C{None}.
575 '''
576 try:
577 _zB = _sys.getsizeof
578 _zD = _zB(None) # some default
579 except TypeError: # PyPy3.10
580 return None
582 b = _MODS.basics
583 _isiterablen = b.isiterablen
584 _Str_Bytes = b._Strs + b._Bytes # + (range, map)
586 def _zR(s, iterable):
587 z, _s = 0, s.add
588 for o in iterable:
589 i = id(o)
590 if i not in s:
591 _s(i)
592 z += _zB(o, _zD)
593 if isinstance(o, dict):
594 z += _zR(s, o.keys())
595 z += _zR(s, o.values())
596 elif _isiterablen(o) and not \
597 isinstance(o, _Str_Bytes):
598 z += _zR(s, o)
599 elif deep:
600 try: # size instance' attr values only
601 z += _zR(s, o.__dict__.values())
602 except AttributeError: # None, int, etc.
603 pass
604 return z
606 return _zR(set(), (obj,))
609def _sysctl_uint(name):
610 '''(INTERNAL) Get an C{unsigned int sysctl} item by name, I{ONLY on macOS!}
611 '''
612 libc = _load_lib('libc') if _ismacOS() else None
613 if libc: # <https://StackOverflow.com/questions/759892/python-ctypes-and-sysctl>
614 import ctypes as c
615 n = c.c_char_p(_MODS.basics.str2ub(name)) # bytes(name, _utf_8_)
616 u = c.c_uint(0)
617 z = c.c_size_t(c.sizeof(u))
618 r = libc.sysctlbyname(n, c.byref(u), c.byref(z), None, c.c_size_t(0)) # PYCHOK attr
619 else: # not macOS or couldn't find or load 'libc'=
620 r = -2
621 return int(r if r else u.value) # -1 ENOENT error, -2 no libc or not macOS
624def _tailof(name):
625 '''(INTERNAL) Get the base name of qualified C{name} or the C{name}.
626 '''
627 i = name.rfind(_DOT_) + 1
628 return name[i:] if i > 0 else name
631def _under(name): # PYCHOK in .datums, .auxilats, .geodesicw, .ups, .utm, .utmupsBase, ...
632 '''(INTERNAL) Prefix C{name} with an I{underscore}.
633 '''
634 return name if name.startswith(_UNDER_) else NN(_UNDER_, name)
637def _usage(file_py, *args, **opts_help): # in .etm, .geodesici # PYCHOK no cover
638 '''(INTERNAL) Build "usage: python -m ..." cmd line for module B{C{file_py}}.
639 '''
640 if opts_help:
642 def _help(alts=(), help=NN, **unused):
643 if alts and help:
644 h = NN(help, _SPACE_).lstrip(_DASH_)
645 for a in alts:
646 if a.startswith(h):
647 return NN(_DASH_, a),
649 def _opts(opts=NN, alts=(), **unused):
650 # opts='T--v-C-R meter-c|i|n|o'
651 d, fmt = NN, _MODS.streprs.Fmt.SQUARE
652 for o in (opts + _BAR_(*alts)).split(_DASH_):
653 if o:
654 yield fmt(NN(d, _DASH_, o.replace(_BAR_, ' | -')))
655 d = NN
656 else:
657 d = _DASH_
659 args = _help(**opts_help) or (tuple(_opts(**opts_help)) + args)
661 u = _COLON_(typename(_usage)[1:], NN)
662 return _SPACE_(u, *_usage_argv(file_py, *args))
665def _usage_argv(argv0, *args):
666 '''(INTERNAL) Return 3-tuple C{(python, '-m', module, *args)}.
667 '''
668 o = _MODS.os
669 p = o.path
670 m = p.dirname(argv0).replace(o.getcwd(), _ELLIPSIS_) \
671 .replace(o.sep, _DOT_).strip()
672 b, x = p.splitext(p.basename(argv0))
673 if x == '.py' and b != _DMAIN_:
674 m = _DOT_(m or _pygeodesy_, b)
675 p = NN(_python_, _MODS.sys_version_info2[0])
676 return (p, '-m', _enquote(m)) + args
679def _version2(version, n=2):
680 '''(INTERNAL) Split C{B{version} str} into a C{1-, 2- or 3-tuple} of C{int}s.
681 '''
682 t = _version_ints(version.split(_DOT_, 2))
683 if len(t) < n:
684 t += (0,) * n
685 return t[:n]
688def _version_info(package): # in .basics, .karney._kWrapped.Math
689 '''(INTERNAL) Get the C{package.__version_info__} as a 2- or
690 3-tuple C{(major, minor, revision)} if C{int}s.
691 '''
692 try:
693 return _version_ints(package.__version_info__)
694 except AttributeError:
695 return _version2(package.__version__.strip(), n=3)
698def _version_ints(vs):
699 # helper for _version2 and _version_info above
701 def _ints(vs):
702 for v in vs:
703 try:
704 yield int(v.strip())
705 except (TypeError, ValueError):
706 pass
708 return tuple(_ints(vs))
711def _versions(sep=_SPACE_):
712 '''(INTERNAL) Get pygeodesy, PyPy and Python versions, bits, machine and OS as C{8- or 9-list} or C{str}.
713 '''
714 l7 = [_pygeodesy_, _MODS.version] + _Pythonarchine() + _osversion2()
715 return sep.join(l7) if sep else l7 # 5- or 6-list
718__all__ = tuple(map(typename, (machine, print_, printf, typename)))
719__version__ = '26.01.13'
721if __name__ == _DMAIN_:
723 def _main():
724 from pygeodesy import _isfrozen, isLazy
726 print_(*(_versions(sep=NN) + ['_isfrozen', _isfrozen,
727 'isLazy', isLazy]))
729 _main()
731# % python3 -m pygeodesy.internals
732# pygeodesy 25.8.18 Python 3.13.5 64bit arm64 macOS 15.6 _isfrozen False isLazy 1
734# **) MIT License
735#
736# Copyright (C) 2016-2026 -- mrJean1 at Gmail -- All Rights Reserved.
737#
738# Permission is hereby granted, free of charge, to any person obtaining a
739# copy of this software and associated documentation files (the "Software"),
740# to deal in the Software without restriction, including without limitation
741# the rights to use, copy, modify, merge, publish, distribute, sublicense,
742# and/or sell copies of the Software, and to permit persons to whom the
743# Software is furnished to do so, subject to the following conditions:
744#
745# The above copyright notice and this permission notice shall be included
746# in all copies or substantial portions of the Software.
747#
748# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
749# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
750# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
751# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
752# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
753# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
754# OTHER DEALINGS IN THE SOFTWARE.