1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
"""Wrapper, ERFA and SOFA version information."""
# NOTE: First try _dev.scm_version if it exists and setuptools_scm is installed
# This file is not included in pyerfa wheels/tarballs, so otherwise it will
# fall back on the generated _version module.
try:
try:
from ._dev.scm_version import get_version as _get_version
_version = _get_version()
del _get_version
except ImportError:
from ._version import version as _version
except Exception:
import warnings
warnings.warn(
f'could not determine {__name__.split(".")[0]} package version; '
f'this indicates a broken installation')
del warnings
_version = '0.0.0'
# Set the version numbers a bit indirectly, so that Sphinx can pick up
# up the docstrings and list the values.
try:
from . import ufunc
except ImportError as exc:
# If compiled to use a system liberfa, that library can be too old, and
# miss functions that are available in newer liberfa. If so, we should
# bail since nothing will work, but let's try to give a more informative
# error message.
try:
from ctypes import CDLL, util, c_char_p
liberfa = CDLL(util.find_library('erfa'))
liberfa.eraVersion.restype = c_char_p
erfa_version = liberfa.eraVersion().decode('ascii')
except Exception:
pass
else:
if erfa_version.split(".")[:2] < _version.split(".")[:2]:
raise ImportError(
f"liberfa {erfa_version} too old for PyERFA {_version}. "
"This should only be possible if you are using a system liberfa; "
"try installing using 'pip install pyerfa', with environment variable "
"PYERFA_USE_SYSTEM_LIBERFA unset or 0.") from exc
raise
version = _version
'''Version of the python wrappers.'''
erfa_version = ufunc.erfa_version
'''Version of the C ERFA library that is wrapped.'''
sofa_version = ufunc.sofa_version
'''Version of the SOFA library the ERFA library is based on.'''
del ufunc, _version
|
