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1
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# Map spreadsheet manipulation
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2
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3
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def merge_values(*vals):
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4
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new = []
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5
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for val in vals:
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6
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if val != '' and val not in new: new.append(val)
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7
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return '; '.join(new)
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8
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9
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def merge_rows(*rows):
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10
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'''e.g. ['a','b'] + ['','y','z'] = ['a','b; y','z']'''
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11
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def get(row, i):
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12
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try: return row[i]
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13
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except IndexError: return ''
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14
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return [merge_values(*[get(row, i) for row in rows])
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15
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for i in xrange(max(map(len, rows)))]
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16
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17
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def merge_mappings(in_, out):
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18
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'''e.g. ['in','join','in_comments'] + ['join','out','out_comments'] =
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19
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['in','out','in_comments; out_comments']'''
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20
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new = [in_[0], out[1]] # mapping
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21
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new[2:] = merge_rows(in_[2:], out[2:]) # comments
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22
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return new
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