Source code for sfepy.config

import sys
import os
import shutil
import sysconfig
from warnings import warn

msg_unknown_os = """could not determine operating system!
try setting it in site_cfg.py manually, see site_cfg_template.py"""

msg_numpydoc = """could not find numpydoc!
If it is installed in a non-standard location, try setting it in
site_cfg.py manually."""

if not os.path.exists('site_cfg.py'):
    try:
        shutil.copyfile('site_cfg_template.py', 'site_cfg.py')

    except:
        pass

try:
    import site_cfg

except ImportError:
    site_cfg = None

has_attr = lambda obj, attr: obj and hasattr(obj, attr)


[docs] def compose_system_compile_flags(is_posix: bool) -> list: """ Provides a list of compile flags that tries to be as similar as possible to what Python itself was built with. This has been done historically by numpy.distutils (now deprecated) and a squeezed version of it is brought over to here. """ if not is_posix: return [] cflags, configure_cppflags, configure_cflags = sysconfig.get_config_vars( 'CFLAGS', 'CONFIGURE_CPPFLAGS', 'CONFIGURE_CFLAGS') return (cflags + ' ' + configure_cppflags + ' ' + configure_cflags).split()
[docs] class Config(object):
[docs] def python_version(self): if has_attr(site_cfg, 'python_version'): if '*' in site_cfg.python_version: return "%d.%d" % tuple(sys.version_info[:2]) else: return site_cfg.python_version else: return "%d.%d" % tuple(sys.version_info[:2])
[docs] def python_include(self): if (has_attr(site_cfg, 'python_include') and (site_cfg.python_include != 'auto')): return site_cfg.python_include else: return sysconfig.get_config_var('INCLUDEPY')
[docs] def system(self): if has_attr(site_cfg, 'system') and site_cfg.system is not None: return site_cfg.system else: if os.name in ['posix']: return 'posix' elif os.name in ['nt']: return 'windows' else: raise ValueError(msg_unknown_os)
[docs] def compile_flags(self): if has_attr(site_cfg, 'compile_flags'): flags = site_cfg.compile_flags if isinstance(flags, str): warn('Compile flags should be given as a list of strings.' ' Space-separated strings may be removed in the near future.', DeprecationWarning, stacklevel=2) flags = flags.split() else: flags = ['-g', '-O2'] return flags + compose_system_compile_flags(self.system() == 'posix')
[docs] def debug_flags(self) -> list: if has_attr(site_cfg, 'debug_flags'): return site_cfg.debug_flags else: return []
[docs] def numpydoc_path(self): if (has_attr(site_cfg, 'numpydoc_path') and (site_cfg.numpydoc_path is not None)): return site_cfg.numpydoc_path else: try: import numpydoc except ImportError: raise ValueError(msg_numpydoc)
[docs] def is_release(self): if has_attr(site_cfg, 'is_release'): return site_cfg.is_release else: return ''
[docs] def tetgen_path(self): if has_attr(site_cfg, 'tetgen_path'): return site_cfg.tetgen_path else: return '/usr/bin/tetgen'
[docs] def refmap_memory_factor(self): if has_attr(site_cfg, 'refmap_memory_factor'): return site_cfg.refmap_memory_factor else: return None