# Coverage for pygeodesy/solveBase.py : 96%

## 196 statements 188 run 8 missing 31 excluded

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''' from pygeodesy.basics import map2, ub2str, _zip from pygeodesy.errors import _AssertionError, _xkwds_get from pygeodesy.interns import DIG, NN, _0_, _BACKSLASH_, _COMMASPACE_, _EQUAL_, \ _not_, _SPACE_ from pygeodesy.karney import Caps, _CapsBase, _ellipsoid, _EWGS84, GDict, \ Precision_, unroll180 from pygeodesy.lazily import _ALL_DOCS, printf, _sys_version_info2 from pygeodesy.named import callername, notOverloaded from pygeodesy.props import Property, Property_RO, property_RO, _update_all from pygeodesy.streprs import Fmt, fstr, fstrzs, pairs, strs # from pygeodesy.units import Precision_ # from .karney # from pygeodesy.utily import unroll180 # from .karney from subprocess import PIPE as _PIPE, Popen as _Popen, STDOUT as _STDOUT __all__ = () # nothing public __version__ = '22.06.16' _Error_ = 'Error' _ERROR_ = 'ERROR' def _cmd_stdin_(cmd, stdin): # PYCHOK no cover '''(INTERNAL) Cmd line, stdin and caller as sC{str}. ''' c = Fmt.PAREN(callername(up=3)) t = (c,) if stdin is None else (_BACKSLASH_, str(stdin), c) return _SPACE_.join(cmd + t) class _SolveLineSolveBase(_CapsBase): '''(NTERNAL) Base class for C{_Solve} and C{_LineSolve}. ''' _E = _EWGS84 _Error = None _Exact = True _invokation = 0 _Names_Direct = \ _Names_Inverse = () _prec = Precision_(prec=DIG) _reverse2 = False _Solve_path = NN # executable path _status = None _text_True = dict() if _sys_version_info2 < (3, 7) else dict(text=True) _unroll = False _verbose = False @Property_RO def a(self): '''Get the I{equatorial} radius, semi-axis (C{meter}). ''' return self.ellipsoid.a @property_RO def _cmdBasic(self): # PYCHOK no cover '''(INTERNAL) I{Must be overloaded}, see function C{notOverloaded}. ''' notOverloaded(self) @Property_RO def ellipsoid(self): '''Get the ellipsoid (C{Ellipsoid}). ''' return self._E @Property_RO def _e_option(self): E = self.ellipsoid if E is _EWGS84: return () # default a, f = strs(E.a_f, fmt=Fmt.F, prec=DIG + 3) # not .G! return ('-e', a, f) @property def Exact(self): '''Get the Solve's C{exact} setting (C{bool}). ''' return self._Exact @Exact.setter # PYCHOK setter! def Exact(self, Exact): '''Set the Solve's C{exact} setting (C{bool}). @arg Exact: If C{True} use I{exact} version (C{bool}). ''' Exact = bool(Exact) if self._Exact != Exact: _update_all(self) self._Exact = Exact @Property_RO def f(self): '''Get the ellipsoid's I{flattening} (C{float}), M{(a - b) / a}, C{0} for spherical, negative for prolate. ''' return self.ellipsoid.f def _GDictInvoke(self, cmd, floats, Names, *args): '''(INTERNAL) Invoke C{Solve}, return results as C{GDict}. ''' N = len(Names) if N < 1: raise _AssertionError(cmd=cmd, Names=Names) i = fstr(args, prec=DIG, fmt=Fmt.F, sep=_SPACE_) if args else None # not Fmt.G! t = self._invoke(cmd, stdin=i).lstrip().split() # 12-/+ tuple if len(t) > N: # PYCHOK no cover # unzip instrumented name=value pairs to names and values n, v = _zip(*(p.split(_EQUAL_) for p in t[:-N])) # strict=True v += tuple(t[-N:]) n += Names else: n, v = Names, t if self.verbose: # PYCHOK no cover self._print(_COMMASPACE_.join(map(Fmt.EQUAL, n, map(fstrzs, v)))) if floats: v = map(float, v) r = GDict(_zip(n, v)) # strict=True return self._iter2tion(r, r) @property_RO def invokation(self): '''Get the most recent C{Solve} invokation number (C{int}). ''' return self._invokation def invoke(self, *options, **stdin): '''Invoke the C{Solve} executable and return the result. @arg options: No, one or several C{Solve} command line options (C{str}s). @kwarg stdin: Optional input to pass to C{Solve.stdin} (C{str}). @return: The C{Solve.stdout} and C{.stderr} output (C{str}). @raise GeodesicError: On any error, including a non-zero return code from C{GeodSolve}. @raise RhumbError: On any error, including a non-zero return code from C{RhumbSolve}. @note: The C{Solve} return code is in property L{status}. ''' c = (self._Solve_path,) + map2(str, options) i = _xkwds_get(stdin, stdin=None) r = self._invoke(c, stdin=i) s = self.status if s: raise self._Error(cmd=_cmd_stdin_(c, i), status=s, txt=_not_(_0_)) if self.verbose: # PYCHOK no cover self._print(r) return r def _invoke(self, cmd, stdin=None): '''(INTERNAL) Invoke the C{Solve} executable, with the given B{C{cmd}} line and optional input to B{C{stdin}}. ''' self._invokation += 1 self._status = t = None if self.verbose: # PYCHOK no cover t = _cmd_stdin_(cmd, stdin) self._print(t) try: p = _Popen(cmd, creationflags=0, # executable =sys.executable, # shell =True, stdin =_PIPE, stdout =_PIPE, # PYCHOK kwArgs stderr =_STDOUT, **self._text_True) # invoke and write to stdin r = ub2str(p.communicate(stdin)[0]) if len(r) < 6 or r[:5] in (_Error_, _ERROR_): raise ValueError(r) self._status = p.returncode except (IOError, OSError, TypeError, ValueError) as x: raise self._Error(cmd=t or _cmd_stdin_(cmd, stdin), txt=str(x)) return r.strip() @property_RO def _p_option(self): return '-p', str(self.prec - 5) # -p is distance prec @Property def prec(self): '''Get the precision, number of (decimal) digits (C{int}). ''' return self._prec @prec.setter # PYCHOK setter! def prec(self, prec): '''Set the precision for C{angles} in C{degrees}, like C{lat}, C{lon}, C{azimuth} and C{arc}. @arg prec: Number of decimal digits (C{int}, C{0}..L{DIG}). @note: The precision for C{distance = B{prec} - 5} or up to 10 decimal digits for C{nanometer} and for C{area = B{prec} - 12} or at most C{millimeter} I{squared}. ''' prec = Precision_(prec=prec, high=DIG) if self._prec != prec: _update_all(self) self._prec = prec def _print(self, line): # PYCHOK no cover '''(INTERNAL) Print a status line. ''' if self.status is not None: line = _SPACE_(line, Fmt.PAREN(self.status)) printf('%s %d: %s', self.named2, self.invokation, line) @Property def reverse2(self): '''Get the C{azi2} direction (C{bool}). ''' return self._reverse2 @reverse2.setter # PYCHOK setter! def reverse2(self, reverse2): '''Set the direction for C{azi2} (C{bool}). @arg reverse2: If C{True} reverse C{azi2} (C{bool}). ''' reverse2 = bool(reverse2) if self._reverse2 != reverse2: _update_all(self) self._reverse2 = reverse2 def _setSolve(self, path, **Solve_path): '''(INTERNAL) Set the executable C{path}. ''' hold = self._Solve_path if hold != path: _update_all(self) self._Solve_path = path try: _ = self.version # test path and ... if self.status: # ... return code raise self._Error(status=self.status, txt=_not_(_0_), **Solve_path) hold = path finally: # restore in case of error if self._Solve_path != hold: _update_all(self) self._Solve_path = hold @property_RO def status(self): '''Get the most recent C{Solve} return code (C{int}, C{str}) or C{None}. ''' return self._status @Property def unroll(self): '''Get the C{lon2} unroll'ing (C{bool}). ''' return self._unroll @unroll.setter # PYCHOK setter! def unroll(self, unroll): '''Set unroll'ing for C{lon2} (C{bool}). @arg unroll: If C{True} unroll C{lon2}, otherwise don't (C{bool}). ''' unroll = bool(unroll) if self._unroll != unroll: _update_all(self) self._unroll = unroll @property def verbose(self): '''Get the C{verbose} option (C{bool}). ''' return self._verbose @verbose.setter # PYCHOK setter! def verbose(self, verbose): '''Set the C{verbose} option. @arg verbose: Print a message around each C{RhumbSolve} invokation (C{bool}). ''' self._verbose = bool(verbose) @Property_RO def version(self): '''Get the result of C{"GeodSolve --version"} or C{"RhumbSolve --version"}. ''' return self.invoke('--version') class _SolveBase(_SolveLineSolveBase): '''(NTERNAL) Base class for C{_GeodesicSolveBase} and C{_RhumbSolveBase}. ''' def __init__(self, a_ellipsoid=_EWGS84, f=None, name=NN): '''New C{Solve} instance. @arg a_ellipsoid: An ellipsoid (L{Ellipsoid}) or datum (L{Datum}) or the equatorial radius of the ellipsoid (C{scalar}, conventionally in C{meter}), see B{C{f}}. @arg f: The flattening of the ellipsoid (C{scalar}) if B{C{a_ellipsoid}} is specified as C{scalar}. @kwarg name: Optional name (C{str}). @raise TypeError: Invalid B{C{a_ellipsoid}} or B{C{f}}. ''' if a_ellipsoid not in (self._E, None): # NOT self.ellipsoid self._E = _ellipsoid(a_ellipsoid, f, name=name) if name: self.name = name @Property_RO def _cmdDirect(self): '''(INTERNAL) Get the C{Solve} I{Direct} cmd (C{tuple}). ''' return self._cmdBasic @Property_RO def _cmdInverse(self): '''(INTERNAL) Get the C{Solve} I{Inverse} cmd (C{tuple}). ''' return self._cmdBasic + ('-i',) def Direct(self, lat1, lon1, azi1, s12, *unused): '''Return the C{Direct} result. ''' return self._GDictDirect(lat1, lon1, azi1, False, s12) def _GDictDirect(self, lat, lon, azi, arcmode, s12_a12, *unused, **floats): # for .geodesicx.gxarea '''(INTERNAL) Get C{_GenDirect}-like result as C{GDict}. ''' if arcmode: raise self._Error(arcmode=arcmode, txt=str(NotImplemented)) floats = _xkwds_get(floats, floats=True) return self._GDictInvoke(self._cmdDirect, floats, self._Names_Direct, lat, lon, azi, s12_a12) def _GDictInverse(self, lat1, lon1, lat2, lon2, *unused, **floats): # for .geodesicx.gxarea '''(INTERNAL) Get C{_GenInverse}-like result as C{GDict}, but I{without} C{_SALPs_CALPs_}. ''' floats = _xkwds_get(floats, floats=True) return self._GDictInvoke(self._cmdInverse, floats, self._Names_Inverse, lat1, lon1, lat2, lon2) def Inverse(self, lat1, lon1, lat2, lon2, *unused): '''Return the C{Inverse} result. ''' return self._GDictInverse(lat1, lon1, lat2, lon2) def Inverse1(self, lat1, lon1, lat2, lon2, wrap=False): '''Return the non-negative, I{angular} distance in C{degrees}. ''' # see .FrechetKarney.distance, .HausdorffKarney._distance # and .HeightIDWkarney._distances _, lon2 = unroll180(lon1, lon2, wrap=wrap) # self.LONG_UNROLL r = self._GDictInverse(lat1, lon1, lat2, lon2, floats=False) # XXX self.DISTANCE needed for 'a12'? return abs(float(r.a12)) def _toStr(self, prec=6, sep=_COMMASPACE_, **Solve): # PYCHOK signature '''(INTERNAL) Return this C{_Solve} as string.. ''' d = dict(ellipsoid=self.ellipsoid, invokation=self.invokation, status=self.status, **Solve) return sep.join(pairs(d, prec=prec)) class _LineSolveBase(_SolveLineSolveBase): '''(NTERNAL) Base class for C{GeodesicLineSolve} and C{RhumbLineSolve}. ''' # _caps = 0 # _lla1 = {} _solve = None # L{GeodesicSolve} or L{RhumbSolve} instance def __init__(self, solve, lat1, lon1, caps, name, **azi): self._caps = caps | Caps._LINE self._debug = solve._debug & Caps._DEBUG_ALL self._lla1 = GDict(lat1=lat1, lon1=lon1, **azi) self._solve = solve n = name or solve.name if n: self.name = n @Property_RO def _cmdDistance(self): '''(INTERNAL) Get the C{GeodSolve} I{-L} cmd (C{tuple}). ''' def _lla3(lat1=0, lon1=0, **azi): _, azi = azi.popitem() return lat1, lon1, azi t = strs(_lla3(**self._lla1), prec=DIG, fmt=Fmt.F) # self._solve.prec return self._cmdBasic + ('-L',) + t @property_RO def ellipsoid(self): '''Get the ellipsoid (C{Ellipsoid}). ''' return self._solve.ellipsoid @Property_RO def lat1(self): '''Get the latitude of the first point (C{degrees}). ''' return self._lla1.lat1 @Property_RO def lon1(self): '''Get the longitude of the first point (C{degrees}). ''' return self._lla1.lon1 def _toStr(self, prec=6, sep=_COMMASPACE_, **solve): # PYCHOK signature '''(INTERNAL) Return this C{_LineSolve} as string.. ''' d = dict(ellipsoid=self.ellipsoid, invokation=self._solve.invokation, lat1=self.lat1, lon1=self.lon1, status=self._solve.status, **solve) return sep.join(pairs(d, prec=prec)) __all__ += _ALL_DOCS(_SolveBase, _LineSolveBase, _SolveLineSolveBase) # **) MIT License # # Copyright (C) 2016-2022 -- mrJean1 at Gmail -- All Rights Reserved. # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the "Software"), # to deal in the Software without restriction, including without limitation # the rights to use, copy, modify, merge, publish, distribute, sublicense, # and/or sell copies of the Software, and to permit persons to whom the # Software is furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR # OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR # OTHER DEALINGS IN THE SOFTWARE.