def _ParseIndex(self, preread, precompile):
"""Reads index file and stores entries in TextTable.
For optimisation reasons, a second table is created with compiled entries.
Args:
preread: func, Pre-processing, applied to each field as it is read.
precompile: func, Pre-compilation, applied to each field before compiling.
Raises:
IndexTableError: If the column headers has illegal column labels.
"""
self.index = texttable.TextTable()
self.index.CsvToTable(self._index_handle)
if preread:
for row in self.index:
for col in row.header:
row[col] = preread(col, row[col])
self.compiled = copy.deepcopy(self.index)
for row in self.compiled:
for col in row.header:
if precompile:
row[col] = precompile(col, row[col])
if row[col]:
row[col] = copyable_regex_object.CopyableRegexObject(
row[col])
def _ParseCmdItem(self, cmd_input, template_file=None):
"""Creates Texttable with output of command.
Args:
cmd_input: String, Device response.
template_file: File object, template to parse with.
Returns:
TextTable containing command output.
Raises:
CliTableError: A template was not found for the given command.
"""
# Build FSM machine from the template.
fsm = textfsm.TextFSM(template_file)
if not self._keys:
self._keys = set(fsm.GetValuesByAttrib("Key"))
# Pass raw data through FSM.
table = texttable.TextTable()
table.header = fsm.header
# Fill TextTable from record entries.
for record in fsm.ParseText(cmd_input):
table.Append(record)
return table