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85 lines
2.2 KiB
85 lines
2.2 KiB
14 years ago
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# $Id: result_base.py,v 1.1 2010-11-11 17:48:01 wirawan Exp $
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#
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# pyqmc.results.result_base.py
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# Basic tool for storing the result of a calculation.
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#
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# Wirawan Purwanto
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# Created: 20101025 (pyqmc.results.result_base)
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# Moved: 20101111 (to wpylib.db.result_base)
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#
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"""
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The class result_base is very similar to
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wpylib.params.params_flat.Parameters ,
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except that it does not contain multiple dict-like objects, thus is
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much simpler.
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"""
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import os
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import os.path
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class result_base(dict):
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'''Structure to represent metadata or structured result.
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No particular structure is assumed.
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Results are fetchable by either X.member or X['member'] syntax, and these
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results are typically meant to be read-only.
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CAVEATS
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* Note: dict method names are left intact.
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Please be aware when programming this thing!
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* Additional possible field names set by this class:
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- filename_
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- absfilename_ -- full file name including absolute directory path.
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* __setattr__ is not set.
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Result-related attributes are supposed to be read-only.
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As a consequence, adding metadata or result *must* be done in the
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dict way, e.g.
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X['nblocks'] = 32
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instead of
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X.nblocks = 32.
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'''
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def __init__(self, _src_=None, **_extra_values_):
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src = _src_
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if isinstance(src, dict):
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self.clear()
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self.update(src)
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elif isinstance(src, str):
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# WARNING: Awaiting future definition of parse_text_file_().
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# This must be specified in the derived class.
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self.parse_text_file_(src)
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self.filename_ = src
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self.absfilename_ = os.path.abspath(src)
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else:
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pass
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self.update(_extra_values_)
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def __getattr__(self, key):
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try:
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return self[key]
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except:
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return dict.__getattribute__(self, key)
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def __str__(self):
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return "<" +self.__module__ + "." + self.__class__.__name__ + \
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" object (" + dict.__str__(self) + ")>"
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# Test programs
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if __name__ == "__main__":
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def _test_result_base1():
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x = result_base()
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print x.keys()
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print x.values()
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x['nblocks'] = 32
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print x
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y = result_base({'lack': 352, 'Etrial': -32.764})
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print y.keys()
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print y.values()
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y['nblocks'] = 32
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print y
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print y.Etrial
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_test_result_base1()
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