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aaronmk
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#!/usr/bin/env python
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aaronmk
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# Concatenates spreadsheets, removing any duplicated headers
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# Usage: self [sheet...] >out_sheet
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aaronmk
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aaronmk
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import os.path
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aaronmk
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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 csvs
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import util
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aaronmk
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def main():
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paths = sys.argv[1:]
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aaronmk
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first_path = None
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first_info = None
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for path in paths:
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if path == '-': stream = sys.stdin
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else: stream = open(path, 'rb')
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# Get dialect and process first line
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info = csvs.stream_info(stream)
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try:
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def write_header(): sys.stdout.write(info.header_line)
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if first_info == None:
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first_path = path
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first_info = info
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write_header()
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else:
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if not util.classes_eq(info.dialect, first_info.dialect):
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raise SystemExit('Spreadsheet error: "'+path
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+'" dialect doesn\'t match "'+first_path+'" dialect')
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if info.header_line != first_info.header_line: write_header()
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# not a duplicated header
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# Copy remaining lines
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while True:
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line = stream.readline()
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if line == '': break
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sys.stdout.write(line)
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except IOError, e: # abort if output stream closed
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if str(e) != '[Errno 32] Broken pipe': raise # other IOErrors
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aaronmk
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stream.close()
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aaronmk
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main()
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