Source code for pytablewriter.writer.text.sourcecode._python

from typing import List

import typepy

from ...._function import dateutil_datetime_formatter, quote_datetime_formatter
from ....sanitizer import sanitize_python_var_name
from ._sourcecode import SourceCodeTableWriter

[docs]class PythonCodeTableWriter(SourceCodeTableWriter): """ A table writer class for Python source code format. :Example: :ref:`example-python-code-table-writer` .. py:method:: write_table |write_table| with Python format. The tabular data are written as a nested list variable definition for Python format. :raises pytablewriter.EmptyTableNameError: If the |table_name| is empty. :Example: :ref:`example-python-code-table-writer` .. note:: Specific values in the tabular data are converted when writing: - |None|: written as ``None`` - |inf|: written as ``float("inf")`` - |nan|: written as ``float("nan")`` - |datetime| instances determined by |is_datetime_instance_formatting| attribute: - |True|: written as `dateutil.parser <>`__ - |False|: written as |str| .. seealso:: :ref:`example-type-hint-python` """ FORMAT_NAME = "python" @property def format_name(self) -> str: return self.FORMAT_NAME @property def support_split_write(self) -> bool: return True def __init__(self, **kwargs) -> None: super().__init__(**kwargs) self._dp_extractor.type_value_map = { typepy.Typecode.NONE: None, typepy.Typecode.INFINITY: 'float("inf")', typepy.Typecode.NAN: 'float("nan")', } def get_variable_name(self, value: str) -> str: return sanitize_python_var_name(self.table_name, "_").lower() def _write_table(self, **kwargs) -> None: if self.is_datetime_instance_formatting: self._dp_extractor.datetime_formatter = dateutil_datetime_formatter else: self._dp_extractor.datetime_formatter = quote_datetime_formatter self.inc_indent_level() super()._write_table(**kwargs) self.dec_indent_level() def _get_opening_row_items(self) -> List[str]: if typepy.is_not_null_string(self.table_name): return [self.variable_name + " = ["] return ["["] def _get_closing_row_items(self) -> List[str]: return ["]"]