# Copyright French Alternative Energies and Atomic Energy Commission
# Contributors: valjean developers
# valjean-support@cea.fr
#
# This software is a computer program whose purpose is to analyze and
# post-process numerical simulation results.
#
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# redistribute the software under the terms of the CeCILL license as circulated
# by CEA, CNRS and INRIA at the following URL: http://www.cecill.info.
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'''Extension of :mod:`~.parse` module for debugging.
Main difference is the possibility of using the ``end_flag`` parameter in the
:mod:`~.scan`.
'''
import logging
from .parse import Parser, ParseResult, ParserException
from . import scan
from .grammar import t4debug_gram
from ...chrono import Chrono
LOGGER = logging.getLogger(__name__)
[docs]
class ParserDebug(Parser):
'''Scan up to the end flag then parse. For parsing debugging.'''
[docs]
def __init__(self, jddname, *, end_flag="", ofile=""):
'''Initialize the :class:`ParserDebug` object.
:param str jddname: path to the Tripoli-4 output
:param int batch: batch to read (-1 = last, 0 = all, then X)
:param str end_flag: optional end flag to stop scanning and parsing
(empty string per default)
It also initalize the result of :class:`.scan.Scanner` to ``None`` and
the parsing result, from *pyparsing*, to ``None``.
If the path contains the ``"PARA"`` string, the checks will be done for
parallel mode.
'''
self.end_flag = end_flag
self.ofile = ofile
super().__init__(jddname)
def _scan_listing(self):
'''Scan Tripoli-4 listing, calling :mod:`.scan`.'''
return scan.Scanner(self.jdd, self.end_flag)
[docs]
def parse_from_number(self, batch_number, name=''):
'''Parse from batch index or batch number.
Per default the last batch is parsed (index = -1).
:param int batch_number: the number of the batch to parse
:returns: list(dict)
'''
LOGGER.debug('Using parse from ParserDebug')
with Chrono() as chrono:
batch_edition = self.scan_res[batch_number]
if LOGGER.isEnabledFor(logging.DEBUG) and self.ofile:
with open(self.ofile, 'w', encoding='utf-8') as fout:
fout.write(batch_edition)
pres, = self._parse_listing_worker(
t4debug_gram, self.scan_res[batch_number])
LOGGER.info("Successful parsing in %f s", chrono)
self.check_parsing(pres)
try:
self._time_consistency(pres, batch_number)
except ParserException as tcve:
if not self.end_flag:
raise ParserException(tcve) from None
LOGGER.info(tcve)
LOGGER.info('Remark: you are in parsing debug mode with an end '
'flag not containing "time", this is expected.')
scan_vars = self.scan_res.global_variables(batch_number)
return ParseResult(pres, scan_vars, name=name)
[docs]
def check_parsing(self, parsed_res):
'''Check if parsing went to the end:
* if the end flag was not precised, a time should appear in the last
result;
* if not, no check can be performed as the end flag can be anywhere,
even "transformed" during parsing.
Print a logger message if not found but don't block access to the
parsing result (this can help to find the issue).
'''
if not self.end_flag:
if not any("_time" in s for s in parsed_res['batch_data']):
LOGGER.error("Time not found in the parsing result, "
"parsing probably stopped before end, "
"please check.")
if self.end_flag:
LOGGER.info("You are running with an end flag ('%s'), "
"no automatic check of correct end of parsing is "
"currently available in that case, "
"please check carefully.", self.end_flag)