def set_peek( self, dataset, line_count=None, is_multi_byte=False, WIDTH=256, skipchars=[] ):
"""
Set the peek. This method is used by various subclasses of Text.
"""
if not dataset.dataset.purged:
# The file must exist on disk for the get_file_peek() method
dataset.peek = get_file_peek( dataset.file_name, is_multi_byte=is_multi_byte, WIDTH=WIDTH, skipchars=skipchars )
if line_count is None:
# See if line_count is stored in the metadata
if dataset.metadata.data_lines:
dataset.blurb = "%s %s" % ( util.commaify( str(dataset.metadata.data_lines) ), inflector.cond_plural(dataset.metadata.data_lines, self.line_class) )
else:
# Number of lines is not known ( this should not happen ), and auto-detect is
# needed to set metadata
# This can happen when the file is larger than max_optional_metadata_filesize.
if int(dataset.get_size()) <= 1048576:
#Small dataset, recount all lines and reset peek afterward.
lc = self.count_data_lines(dataset)
dataset.metadata.data_lines = lc
dataset.blurb = "%s %s" % ( util.commaify( str(lc) ), inflector.cond_plural(lc, self.line_class) )
else:
est_lines = self.estimate_file_lines(dataset)
dataset.blurb = "~%s %s" % ( util.commaify(util.roundify(str(est_lines))), inflector.cond_plural(est_lines, self.line_class) )
else:
dataset.blurb = "%s %s" % ( util.commaify( str(line_count) ), inflector.cond_plural(line_count, self.line_class) )
else:
dataset.peek = 'file does not exist'
dataset.blurb = 'file purged from disk'
def set_peek(self, dataset, line_count=None, is_multi_byte=False, WIDTH=256, skipchars=None, line_wrap=True):
"""
Set the peek. This method is used by various subclasses of Text.
"""
if not dataset.dataset.purged:
# The file must exist on disk for the get_file_peek() method
dataset.peek = get_file_peek(dataset.file_name, WIDTH=WIDTH, skipchars=skipchars, line_wrap=line_wrap)
if line_count is None:
# See if line_count is stored in the metadata
if dataset.metadata.data_lines:
dataset.blurb = "%s %s" % (util.commaify(str(dataset.metadata.data_lines)), inflector.cond_plural(dataset.metadata.data_lines, self.line_class))
else:
# Number of lines is not known ( this should not happen ), and auto-detect is
# needed to set metadata
# This can happen when the file is larger than max_optional_metadata_filesize.
if int(dataset.get_size()) <= 1048576:
# Small dataset, recount all lines and reset peek afterward.
lc = self.count_data_lines(dataset)
dataset.metadata.data_lines = lc
dataset.blurb = "%s %s" % (util.commaify(str(lc)), inflector.cond_plural(lc, self.line_class))
else:
est_lines = self.estimate_file_lines(dataset)
dataset.blurb = "~%s %s" % (util.commaify(util.roundify(str(est_lines))), inflector.cond_plural(est_lines, self.line_class))
else:
dataset.blurb = "%s %s" % (util.commaify(str(line_count)), inflector.cond_plural(line_count, self.line_class))
else:
dataset.peek = 'file does not exist'
dataset.blurb = 'file purged from disk'
