Source code for allensdk.config.model.formats.pycfg_description_parser

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import logging
from pprint import pprint, pformat
from allensdk.config.model.description import Description
from allensdk.config.model.description_parser import DescriptionParser


[docs]class PycfgDescriptionParser(DescriptionParser): log = logging.getLogger(__name__) def __init__(self): super(PycfgDescriptionParser, self).__init__()
[docs] def read(self, pycfg_file_path, description=None, section=None, **kwargs): '''Read a serialized description from a Python (.pycfg) file. Parameters ---------- filename : string Name of the .pycfg file. Returns ------- Description Configuration object. ''' header = kwargs.get('prefix', '') with open(pycfg_file_path, 'r') as f: return self.read_string(f.read(), description, section, header=header)
[docs] def read_string(self, python_string, description=None, section=None, **kwargs): '''Read a serialized description from a Python (.pycfg) string. Parameters ---------- python_string : string Python string with a serialized description. Returns ------- Description Configuration object. ''' if description is None: description = Description() header = kwargs.get('header', '') python_string = "%s\n\nallensdk_description = %s" % ( header, python_string) ns = {} code = compile(python_string, 'string', 'exec') exec(code, ns) data = ns['allensdk_description'] description.unpack(data, section) return description
[docs] def write(self, filename, description): '''Write the description to a Python (.pycfg) file. Parameters ---------- filename : string Name of the file to write. ''' try: with open(filename, 'w') as f: pprint(description.data, f, indent=2) except Exception: self.log.warn( "Couldn't write allensdk python description: %s" % filename) raise return
[docs] def write_string(self, description): '''Write the description to a pretty-printed Python string. Parameters ---------- description : Description Configuration object to write. ''' pycfg_string = pformat(description.data, indent=2) return pycfg_string