def addColumns(self, **kwargs):
""" Add new columns with default values (type inferred from it). """
items = self.first()._asdict().items()
cols = [Table.Column(k, type(v)) for k, v in items]
for k, v in kwargs.items():
cols.append(Table.Column(k, type(v)))
t = Table(columns=cols)
for og in self._dict.values():
values = og._asdict()
values.update(kwargs)
t.addRow(**values)
self.__fromTable(t)
def _createTableFromDict(self, rowDict):
""" Helper function to create a Table instance from
an input dict with keys as columns names and type
the type of the values in the dict.
"""
return Table(columns=[
Table.Column(k, type=type(v)) for k, v in rowDict.items()
])
def _write(self, f):
# Create columns from the first row
items = self.first()._asdict().items()
cols = [Table.Column(k, type(v)) for k, v in items]
t = Table(columns=cols)
for og in self._dict.values():
t.addRow(*og)
t.writeStar(f, tableName='optics')
