Old engine for Continuous Time Bayesian Networks. Superseded by reCTBN. 🐍
https://github.com/madlabunimib/PyCTBN
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86 lines
2.9 KiB
86 lines
2.9 KiB
4 years ago
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import os
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from distutils.dist import Distribution
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__metaclass__ = type
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class EnvironmentConfig:
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def __init__(self, distutils_section='ALL', **kw):
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self._distutils_section = distutils_section
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self._conf_keys = kw
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self._conf = None
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self._hook_handler = None
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def dump_variable(self, name):
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conf_desc = self._conf_keys[name]
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hook, envvar, confvar, convert, append = conf_desc
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if not convert:
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convert = lambda x : x
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print('%s.%s:' % (self._distutils_section, name))
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v = self._hook_handler(name, hook)
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print(' hook : %s' % (convert(v),))
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if envvar:
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v = os.environ.get(envvar, None)
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print(' environ: %s' % (convert(v),))
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if confvar and self._conf:
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v = self._conf.get(confvar, (None, None))[1]
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print(' config : %s' % (convert(v),))
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def dump_variables(self):
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for name in self._conf_keys:
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self.dump_variable(name)
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def __getattr__(self, name):
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try:
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conf_desc = self._conf_keys[name]
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except KeyError:
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raise AttributeError(name)
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return self._get_var(name, conf_desc)
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def get(self, name, default=None):
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try:
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conf_desc = self._conf_keys[name]
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except KeyError:
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return default
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var = self._get_var(name, conf_desc)
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if var is None:
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var = default
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return var
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def _get_var(self, name, conf_desc):
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hook, envvar, confvar, convert, append = conf_desc
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if convert is None:
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convert = lambda x: x
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var = self._hook_handler(name, hook)
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if envvar is not None:
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envvar_contents = os.environ.get(envvar)
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if envvar_contents is not None:
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envvar_contents = convert(envvar_contents)
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if var and append:
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if os.environ.get('NPY_DISTUTILS_APPEND_FLAGS', '1') == '1':
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var.extend(envvar_contents)
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else:
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# NPY_DISTUTILS_APPEND_FLAGS was explicitly set to 0
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# to keep old (overwrite flags rather than append to
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# them) behavior
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var = envvar_contents
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else:
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var = envvar_contents
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if confvar is not None and self._conf:
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if confvar in self._conf:
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source, confvar_contents = self._conf[confvar]
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var = convert(confvar_contents)
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return var
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def clone(self, hook_handler):
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ec = self.__class__(distutils_section=self._distutils_section,
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**self._conf_keys)
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ec._hook_handler = hook_handler
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return ec
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def use_distribution(self, dist):
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if isinstance(dist, Distribution):
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self._conf = dist.get_option_dict(self._distutils_section)
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else:
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self._conf = dist
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