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path: root/tools/aligncsv.py
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#!/usr/bin/python
# this formats a csv file to a serious whitespace intended format.

import os
import sys

tabs=not True

fname = sys.argv[1]
if not os.path.exists(fname):
	print "that file doesn't exist"
	exit(0);

f=open(fname,"r");
lines=f.readlines()
f.close();
length=0

for line in lines:
	length=max(length, len(line.split(",")))

print "# number of entries =",length
additionalspaces = 5

#setup text array
textarray=range(len(lines)+1)
for x in range(len(lines)+1):
	textarray[x] = range(length)

for x in range(length):
	textarray[-1][x] = 0

#find the longest entry in each line in each position
for lineno in range(len(lines)):
	sp=lines[lineno].split(",")
	for pieceno in range(len(sp)):
		sp[pieceno] = sp[pieceno].strip()
		textarray[-1][pieceno] = max(len(sp[pieceno]),textarray[-1][pieceno])

if tabs:
	#make it divisable by 8 (tabs work then)
	for pieceno in range(length):
		if textarray[-1][pieceno] %8:
			textarray[-1][pieceno] = ((textarray[-1][pieceno]/8) *8) +8

for lineno in range(len(lines)):
	sp=lines[lineno].split(",")
	for pieceno in range(length):
		textarray[lineno][pieceno] = ""
		if pieceno<len(sp):
			sp[pieceno]= sp[pieceno].strip()
			if pieceno<len(sp)-1:
				sp[pieceno]= sp[pieceno] + ","
			n=(textarray[-1][pieceno]-len(sp[pieceno])+additionalspaces)
			if (tabs):
				textarray[lineno][pieceno] = sp[pieceno]
				textarray[lineno][pieceno] += "\t" *(n/8)
			else:
				textarray[lineno][pieceno] = " "*(n) + sp[pieceno]


fname = sys.argv[2]
if not os.path.exists(fname):
	print "that file doesn't exist"
	exit(0);
else:
	f=open(fname,"w");
	for line in textarray[:-1]:
		for piece in line:
			f.write(piece)
		f.write("\n")
	f.close()