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#!/usr/bin/python -Wall
# ================================================================
# Please see LICENSE.txt in the same directory as this file.
# John Kerl
# 2007-05-31
# ================================================================
import spec_tm
import spec_tables
import re
import copy
import sys
# I have globals for the spec tables. This makes it non re-entrant.
# In particular I won't be able to form, say, the direct product of two
# different user-specified groups without a redesign.
def get_elements_str(params_string):
file_name = params_string
cayley_table_with_names = []
if (file_name == "-"):
file_handle = sys.stdin
file_handle = open(file_name, 'r')
print "Couldn't open \"" + file_name + "\" for read."
for line in file_handle:
# Chomp trailing newline, if any.
if (line[-1] == '\n'):
line = line[0:-1]
# Strip leading and trailing whitespace.
line = re.sub(r"^\s+", r"", line)
line = re.sub(r"\s+$", r"", line)
row_names = re.split('\s+', line)
if (file_name != "-"):
n = len(cayley_table_with_names)
elts = range(0, n)
for i in range(0, n):
elts[i] = spec_tm.spec_t(i)
return elts
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