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class MarkupTable(object):
"""
Container for holding table data and render the data in creole markup.
Format every cell width to the same col width.
"""
def __init__(self, head_prefix="= ", auto_width=True, debug_msg=None):
self.head_prefix = head_prefix
self.auto_width = auto_width
if debug_msg is None:
self.debug_msg = self._non_debug
else:
self.debug_msg = debug_msg
self.rows = []
self.row_index = None
self.has_header = False
def _non_debug(self, *args):
pass
def add_tr(self):
self.debug_msg("Table.add_tr", "")
self.rows.append([])
self.row_index = len(self.rows) - 1
def add_th(self, text):
self.has_header = True
self.add_td(self.head_prefix + text)
def add_td(self, text):
if self.row_index is None:
self.add_tr()
self.debug_msg("Table.add_td", text)
self.rows[self.row_index].append(text)
def _get_preformat_info(self):
cells = []
for row in self.rows:
line_cells = []
for cell in row:
cell = cell.strip()
if cell != "":
if self.head_prefix and cell.startswith(self.head_prefix):
cell += " " # Headline
else:
cell = f" {cell} " # normal cell
line_cells.append(cell)
cells.append(line_cells)
# Build a list of max len for every column
widths = [max(map(len, col)) for col in zip(*cells)]
return cells, widths
def get_table_markup(self):
""" return the table data in creole/textile markup. """
if not self.auto_width:
lines = []
for row in self.rows:
lines.append("|" + "|".join([cell for cell in row]) + "|")
else:
# preformat every table cell
cells, widths = self._get_preformat_info()
# Join every line with ljust
lines = []
for row in cells:
cells = [cell.ljust(width) for cell, width in zip(row, widths)]
lines.append("|" + "|".join(cells) + "|")
result = "\n".join(lines)
self.debug_msg("Table.get_table_markup", result)
return result
def get_rest_table(self):
""" return the table data in ReSt markup. """
# preformat every table cell
cells, widths = self._get_preformat_info()
separator_line = "+%s+" % "+".join(["-" * width for width in widths])
headline_separator = "+%s+" % "+".join(["=" * width for width in widths])
lines = []
for no, row in enumerate(cells):
if no == 1 and self.has_header:
lines.append(headline_separator)
else:
lines.append(separator_line)
# Join every line with ljust
cells = [cell.ljust(width) for cell, width in zip(row, widths)]
lines.append("|" + "|".join(cells) + "|")
lines.append(separator_line)
return "\n".join(lines)
if __name__ == '__main__':
import doctest
print(doctest.testmod())
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