FixedWidthHeader

class astropy.io.ascii.FixedWidthHeader

Bases: astropy.io.ascii.BasicHeader

Fixed width table header reader.

Attributes Summary

position_line	row index of line that specifies position (default = 1)
set_of_position_line_characters

Methods Summary

get_cols(lines)	Initialize the header Column objects from the table lines.
get_fixedwidth_params(line)	Split line on the delimiter and determine column values and column start and end positions.
get_line(lines, index)
write(lines)

Attributes Documentation

position_line = None

row index of line that specifies position (default = 1)

set_of_position_line_characters = {'%', '|', '"', '~', '#', '`', '&', '$', '\\', '-', '=', '*', '+', '^', ':', '_', '!', "'"}

Methods Documentation

get_cols(lines)

Initialize the header Column objects from the table lines.

Based on the previously set Header attributes find or create the column names. Sets self.cols with the list of Columns.

Parameters:

lines : list

List of table lines

get_fixedwidth_params(line)

Split line on the delimiter and determine column values and column start and end positions. This might include null columns with zero length (e.g. for header row = "| col1 || col2 | col3 |" or header2_row = "----- ------- -----"). The null columns are stripped out. Returns the values between delimiters and the corresponding start and end positions.

Parameters:

line : str

Input line

Returns:

vals : list

List of values.

starts : list

List of starting indices.

ends : list

List of ending indices.

get_line(lines, index)

write(lines)