moved common grammar to separate file

src/JobShopParser/jobshop2_parser.py

@@ -1,17 +1,6 @@
 from arpeggio.cleanpeg import ParserPEG
 
-grammar = """
-job_shop2       = problem_data EOF
-problem_data    = trim_ws num_jobs ' ' num_machines eol job_data+
-trim_ws         = r'[ \t]*'
-eol             = "\n" / "\r\n"
-nonneg_num     = r'\d+'
-num_jobs        = nonneg_num
-num_machines    = nonneg_num
-machine         = nonneg_num
-duration        = nonneg_num
-job_data        = ' '* machine ' '+ duration (' '+ machine ' '+ duration)* trim_ws eol 
-"""
+from common import grammar
 
 parser = ParserPEG(grammar, "problem_data", skipws=False,debug=True)