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# -*- coding: utf-8 -*-
"""Format adapter for the tabulate module."""
from __future__ import unicode_literals
from cli_helpers.utils import filter_dict_by_key
from cli_helpers.compat import Terminal256Formatter, Token, StringIO
from .preprocessors import (
convert_to_string,
truncate_string,
override_missing_value,
style_output,
HAS_PYGMENTS,
escape_newlines,
)
import tabulate
tabulate.MIN_PADDING = 0
tabulate._table_formats["psql_unicode"] = tabulate.TableFormat(
lineabove=tabulate.Line("┌", "─", "┬", "┐"),
linebelowheader=tabulate.Line("├", "─", "┼", "┤"),
linebetweenrows=None,
linebelow=tabulate.Line("└", "─", "┴", "┘"),
headerrow=tabulate.DataRow("│", "│", "│"),
datarow=tabulate.DataRow("│", "│", "│"),
padding=1,
with_header_hide=None,
)
tabulate._table_formats["double"] = tabulate.TableFormat(
lineabove=tabulate.Line("╔", "═", "╦", "╗"),
linebelowheader=tabulate.Line("╠", "═", "╬", "╣"),
linebetweenrows=None,
linebelow=tabulate.Line("╚", "═", "╩", "╝"),
headerrow=tabulate.DataRow("║", "║", "║"),
datarow=tabulate.DataRow("║", "║", "║"),
padding=1,
with_header_hide=None,
)
tabulate._table_formats["ascii"] = tabulate.TableFormat(
lineabove=tabulate.Line("+", "-", "+", "+"),
linebelowheader=tabulate.Line("+", "-", "+", "+"),
linebetweenrows=None,
linebelow=tabulate.Line("+", "-", "+", "+"),
headerrow=tabulate.DataRow("|", "|", "|"),
datarow=tabulate.DataRow("|", "|", "|"),
padding=1,
with_header_hide=None,
)
tabulate._table_formats["ascii_escaped"] = tabulate.TableFormat(
lineabove=tabulate.Line("+", "-", "+", "+"),
linebelowheader=tabulate.Line("+", "-", "+", "+"),
linebetweenrows=None,
linebelow=tabulate.Line("+", "-", "+", "+"),
headerrow=tabulate.DataRow("|", "|", "|"),
datarow=tabulate.DataRow("|", "|", "|"),
padding=1,
with_header_hide=None,
)
# "minimal" is the same as "plain", but without headers
tabulate._table_formats["minimal"] = tabulate._table_formats["plain"]
tabulate.multiline_formats["psql_unicode"] = "psql_unicode"
tabulate.multiline_formats["double"] = "double"
tabulate.multiline_formats["ascii"] = "ascii"
tabulate.multiline_formats["minimal"] = "minimal"
supported_markup_formats = (
"mediawiki",
"html",
"latex",
"latex_booktabs",
"textile",
"moinmoin",
"jira",
)
supported_table_formats = (
"ascii",
"ascii_escaped",
"plain",
"simple",
"minimal",
"grid",
"fancy_grid",
"pipe",
"orgtbl",
"psql",
"psql_unicode",
"rst",
"github",
"double",
)
supported_formats = supported_markup_formats + supported_table_formats
default_kwargs = {
"ascii": {"numalign": "left"},
"ascii_escaped": {"numalign": "left"},
}
headless_formats = ("minimal",)
def get_preprocessors(format_name):
common_formatters = (
override_missing_value,
convert_to_string,
truncate_string,
style_output,
)
if tabulate.multiline_formats.get(format_name):
return common_formatters + (style_output_table(format_name),)
else:
return common_formatters + (escape_newlines, style_output_table(format_name))
def style_output_table(format_name=""):
def style_output(
data,
headers,
style=None,
table_separator_token=Token.Output.TableSeparator,
**_,
):
"""Style the *table* a(e.g. bold, italic, and colors)
.. NOTE::
This requires the `Pygments <http://pygments.org/>`_ library to
be installed. You can install it with CLI Helpers as an extra::
$ pip install cli_helpers[styles]
Example usage::
from cli_helpers.tabular_output import tabulate_adapter
from pygments.style import Style
from pygments.token import Token
class YourStyle(Style):
default_style = ""
styles = {
Token.Output.TableSeparator: '#ansigray'
}
headers = ('First Name', 'Last Name')
data = [['Fred', 'Roberts'], ['George', 'Smith']]
style_output_table = tabulate_adapter.style_output_table('psql')
style_output_table(data, headers, style=CliStyle)
data, headers = style_output(data, headers, style=YourStyle)
output = tabulate_adapter.adapter(data, headers, style=YourStyle)
:param iterable data: An :term:`iterable` (e.g. list) of rows.
:param iterable headers: The column headers.
:param str/pygments.style.Style style: A Pygments style. You can `create
your own styles <https://pygments.org/docs/styles#creating-own-styles>`_.
:param str table_separator_token: The token type to be used for the table separator.
:return: data and headers.
:rtype: tuple
"""
if style and HAS_PYGMENTS and format_name in supported_table_formats:
formatter = Terminal256Formatter(style=style)
def style_field(token, field):
"""Get the styled text for a *field* using *token* type."""
s = StringIO()
formatter.format(((token, field),), s)
return s.getvalue()
def addColorInElt(elt):
if not elt:
return elt
if elt.__class__ == tabulate.Line:
return tabulate.Line(
*(style_field(table_separator_token, val) for val in elt)
)
if elt.__class__ == tabulate.DataRow:
return tabulate.DataRow(
*(style_field(table_separator_token, val) for val in elt)
)
return elt
srcfmt = tabulate._table_formats[format_name]
newfmt = tabulate.TableFormat(*(addColorInElt(val) for val in srcfmt))
tabulate._table_formats[format_name] = newfmt
return iter(data), headers
return style_output
def adapter(data, headers, table_format=None, preserve_whitespace=False, **kwargs):
"""Wrap tabulate inside a function for TabularOutputFormatter."""
keys = ("floatfmt", "numalign", "stralign", "showindex", "disable_numparse")
tkwargs = {"tablefmt": table_format}
tkwargs.update(filter_dict_by_key(kwargs, keys))
if table_format in supported_markup_formats:
tkwargs.update(numalign=None, stralign=None)
tabulate.PRESERVE_WHITESPACE = preserve_whitespace
tkwargs.update(default_kwargs.get(table_format, {}))
if table_format in headless_formats:
headers = []
return iter(tabulate.tabulate(data, headers, **tkwargs).split("\n"))
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