def toStr(self, **unused): # PYCHOK expected
'''Return this reference frame as a text string.
@return: This L{RefFrame}'s attributes (C{str}).
'''
e = self.ellipsoid
t = (Fmt.EQUAL(_name_,
repr(self.name)), Fmt.EQUAL(_epoch_, self.epoch),
Fmt.PAREN(Fmt.EQUAL(_ellipsoid_, classname(e)),
Fmt.EQUAL(_name_, repr(e.name))))
return _COMMASPACE_.join(t)
def _instr(self, prec, *attrs, **kwds):
'''(INTERNAL) Format, used by C{Conic}, C{Ellipsoid}, C{Transform}.
'''
t = Fmt.EQUAL(_name_, repr(self.name)),
if attrs:
t += pairs(((a, getattr(self, a)) for a in attrs),
prec=prec,
ints=True)
if kwds:
t += pairs(kwds, prec=prec)
return _COMMASPACE_.join(t)
def _qURL(url, timeout=2, **params):
'''(INTERNAL) Build B{C{url}} query, get and verify response.
'''
if params: # build url query, don't map(quote, params)!
p = '&'.join(Fmt.EQUAL(p, v) for p, v in params.items() if v)
if p:
url = NN(url, '?', p)
u = urlopen(url, timeout=timeout) # secs
s = u.getcode()
if s != 200: # http.HTTPStatus.OK or http.client.OK
raise IOError('code %d: %s' % (s, u.geturl()))
r = u.read()
u.close()
# urlcleanup()
return ub2str(r).strip()
def _dot_attr(name, value):
return Fmt.DOT(Fmt.EQUAL(name, value))