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#!/usr/bin/env python
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# Modifies a map spreadsheet A->B or any file using a replacements spreadsheet
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# A->C or B->C
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import csv
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import os.path
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import re
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import sys
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aaronmk
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sys.path.append(os.path.dirname(__file__)+"/../lib")
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import maps
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import opts
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def main():
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env_names = []
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def usage_err():
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raise SystemExit('Usage: '+opts.env_usage(env_names, True)+' '
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+sys.argv[0]+' <map repl [col_num] [| '+sys.argv[0]
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+' repl_1 [col_num_1]]... >new_map')
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text = opts.env_flag('text', False, env_names) # all patterns are plain text
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try: _prog_name, repl_path = sys.argv[:2]
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except ValueError: usage_err()
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col_num = None
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try: col_num = sys.argv[2]
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except IndexError: pass
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if col_num != None: col_num = int(col_num) # 0-based
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# Get replacements
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repls = []
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stream = open(repl_path, 'rb')
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reader = csv.reader(stream)
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repl_in, repl_out = reader.next()[:2]
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for row in reader:
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in_, out = row[:2]
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if in_ != '':
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if text or re.match(r'^\w+$', in_):
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in_ = r'(?<![^\W_])'+re.escape(in_)+r'(?![^\W_])' # match word
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repls.append((r'(?m)'+in_, out))
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stream.close()
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def repl_all(str_):
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for repl, with_ in repls: str_ = re.sub(repl, with_, str_)
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return str_
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# Modify map or file
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if col_num != None:
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reader = csv.reader(sys.stdin)
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writer = csv.writer(sys.stdout)
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cols = reader.next()
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label, root = maps.col_info(cols[col_num])[:2]
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if label != repl_in: raise SystemExit('Map error: Map column '+
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str(col_num)+' label "'+label+'" doesn\'t match replacements input '
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'column label "'+repl_in+'"')
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cols[col_num] = repl_out+sep+repl_all(root)
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writer.writerow(cols)
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for row in reader:
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row[col_num] = repl_all(row[col_num])
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writer.writerow(row)
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else: sys.stdout.write(repl_all(sys.stdin.read()))
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main()
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