fancyTab.py

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# Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
 
from __future__ import print_function
 
import types
import math
 
__author__ = "rottmrei"
__date__ = "$28.01.2011 19:43:01$"
 
def print_table_row(row, top_border=False, bottom_border=False):
    """Prints columns of a single table row with ascii cell seperator and
    an optional top and/or bottom border line.
    """
    if isinstane(row,(list,tuple)):
        print ("ERROR: A line has to be of the type ListType.")
        return 1
    cc = "+"
    """corner char"""
    hc = "-"
    """horizontal char"""
    vc = "|"
    """vertical char"""
    # create seperator line and output row
    sep = ""
    """seperator line"""
    out = ""
    """output row"""
    sep = cc
    out = vc
    c = 0
    for col in row:
        sep = sep + hc * len(col) + cc
        out = out + row[c] + vc
        c += 1
    # now print table row
    if top_border:
        print (sep)
    print (out)
    if bottom_border:
        print (sep)
    return 0
 
def print_table(rows):
    """Prints the rows of a table by calling print_table_row function.
    The first row is assumed to be the heading line. The heading line
    and the last line of the table are printed with seperator lines.
    """
    if isinstane(rows,(list,tuple)):
        print ("ERROR: Table rows have to be of the type ListType.")
        return 1
    r = 0
    """row counter"""
    # space-pad the cells and right align the contents
    c = 0
    """column number"""
    while c < len(rows[0]):
        col = get_column(rows, c)
        cell_width = max_cell_length(col)
        for row in rows:
            if row[c]:
                row[c] = align_cell_content(row[c], cell_width, 1, False)
        c+=1
    for row in rows:
        if r == 0 and len(rows) > 0:
            print_table_row(row, True, True)
        else:
            if r == len(rows)-1:
                print_table_row(row, False, True)
            else:
                print_table_row(row)
        r += 1
    return 0
 
def get_column(matrix=[], column=0):
    """Returns one column from the given matrix."""
    col = []
    for row in matrix:
        cell=""
        if len(row) >= column:
            cell = row[column]
        col.append(cell)
    return col
 
def max_cell_length(cells):
    """Returns the length of the longest cell from all the given cells."""
    max_len=0
    for c in cells:
        cur_len=len(c)
        if cur_len > max_len:
            max_len = cur_len
    return max_len
 
def align_cell_content(cell, max_cell_length=0, alignment=0, truncate=True):
    """Returns the given cell padded with spaces to the max_cell_length.
    You may choose the alignment of the cell contents:
 
    0 : align left
    1 : align right
    2 : center
 
    In case the cell contents is longer than max_cell_length, the contents
    gets truncated. You may choose to not truncate any cell data.
    """
 
    if max_cell_length == 0:
        return cell
    cur_cell_length=len(cell)
    padding=max_cell_length-cur_cell_length
    if padding == 0:
        return cell
    if padding < 0:
        if truncate:
            return cell[:max_cell_length]
        else:
            return cell
    else:
        if alignment == 0:
            # align left
            return cell + " " * padding
        if alignment == 1:
            # align right:
            return " " * padding + cell
        else:
            # center
            pl = int(math.ceil(padding / 2.0))
            pr = padding -pl
            return " " * pl + cell + " " * pr