>>> import os

std_filter
==========

>>> from std_filter import std_filter    
    

>>> l = [
... 'SIN,GRADES\n',
... '==========\n',
... '8156,2.5,5.9,4.8,5.3\n',
... '2345,3.0,9.6,5.3,7.7,10.0\n',
... '3112,4.5,7.0,5.7,3.2,4.5,8.8\n',
... '4343,0.0,3.3,5.2,7.5\n',
... '9876,5.0,4.3,7.2,7.5,9.0\n'
... ]
>>> name = 'grades_11_PRG_2526.csv'

>>> with open(name, 'w') as f:
...	for line in l:
...		n = f.write(line)


>>> gr = 5.0
>>> ns = std_filter(name, gr)
>>> nameout = str(gr) + '_avg_' + name
>>> nameref = nameout.replace('.csv', '.ref')

>>> with open(nameout, 'r') as f, open(nameref, 'r') as fref:
... 	l = f.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	lref = fref.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	while l != '' and lref == l:
... 		l = f.readline()
... 		lref = fref.readline()
... 	oeq = lref == l == ''
>>> if ns == (5, 5) and oeq:    # doctesttag: +TAG=1_std_filter
... 	True
... else:
... 	with open(nameout, 'r') as f:
...		for line in f:
...			n = f.write(line)
True

>>> if os.path.exists(nameout):
... 	os.remove(nameout)
  



>>> gr = 5.5
>>> ns = std_filter(name, gr)
>>> nameout = str(gr) + '_avg_' + name
>>> nameref = nameout.replace('.csv', '.ref')

>>> with open(nameout, 'r') as f, open(nameref, 'r') as fref:
... 	l = f.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	lref = fref.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	while l != '' and lref == l:
... 		l = f.readline()
... 		lref = fref.readline()
... 	oeq = lref == l == ''
>>> ns == (5, 3) and oeq    # doctesttag: +TAG=1_std_filter
True

>>> if os.path.exists(nameout):
... 	os.remove(nameout)




>>> gr = 6.5
>>> ns = std_filter(name, gr)
>>> nameout = str(gr) + '_avg_' + name
>>> nameref = nameout.replace('.csv', '.ref')

>>> with open(nameout, 'r') as f, open(nameref, 'r') as fref:
... 	l = f.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	lref = fref.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	while l != '' and lref == l:
... 		l = f.readline()
... 		lref = fref.readline()
... 	oeq = lref == l == ''
>>> ns == (5, 2) and oeq    # doctesttag: +TAG=1_std_filter
True

>>> if os.path.exists(nameout):
... 	os.remove(nameout)




>>> gr = 7.5
>>> ns = std_filter(name, gr)
>>> nameout = str(gr) + '_avg_' + name
>>> nameref = nameout.replace('.csv', '.ref')

>>> with open(nameout, 'r') as f, open(nameref, 'r') as fref:
... 	l = f.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	lref = fref.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	while l != '' and lref == l:
... 		l = f.readline()
... 		lref = fref.readline()
... 	oeq = lref == l == ''
>>> ns == (5, 1) and oeq    # doctesttag: +TAG=1_std_filter
True

>>> if os.path.exists(nameout):
... 	os.remove(nameout)
  
  
  

>>> gr = 8.5
>>> ns = std_filter(name, gr)
>>> nameout = str(gr) + '_avg_' + name
>>> nameref = nameout.replace('.csv', '.ref')

>>> with open(nameout, 'r') as f, open(nameref, 'r') as fref:
... 	l = f.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	lref = fref.readline()
... 	l = f.readline()
... 	lref = fref.readline()
... 	while l != '' and lref == l:
... 		l = f.readline()
... 		lref = fref.readline()
... 	oeq = lref == l == ''
>>> ns == (5, 0) and oeq    # doctesttag: +TAG=1_std_filter
True

>>> if os.path.exists(nameout):
... 	os.remove(nameout)