| 1 |
929
|
aaronmk
|
#!/usr/bin/env python
|
| 2 |
1505
|
aaronmk
|
# Subtracts map spreadsheet A1->C from A0->B to produce A->B.
|
| 3 |
1786
|
aaronmk
|
# Other A0 entries are subtracted as well:
|
| 4 |
|
|
# - Empty entries without a comment documenting why they are empty, if there is
|
| 5 |
|
|
# a matching entry in A1.
|
| 6 |
|
|
# - Entries whose input and output maps to the same non-empty value in A1
|
| 7 |
3767
|
aaronmk
|
# Multi-safe (supports an input appearing multiple times). Note that if there is
|
| 8 |
|
|
# *any* mapping for an input in subtract_map, all mappings for that input in
|
| 9 |
|
|
# from_map will be excluded.
|
| 10 |
929
|
aaronmk
|
|
| 11 |
|
|
import csv
|
| 12 |
2021
|
aaronmk
|
import operator
|
| 13 |
1137
|
aaronmk
|
import os.path
|
| 14 |
929
|
aaronmk
|
import sys
|
| 15 |
|
|
|
| 16 |
1137
|
aaronmk
|
sys.path.append(os.path.dirname(__file__)+"/../lib")
|
| 17 |
|
|
|
| 18 |
1503
|
aaronmk
|
import maps
|
| 19 |
1137
|
aaronmk
|
import opts
|
| 20 |
|
|
import util
|
| 21 |
|
|
|
| 22 |
929
|
aaronmk
|
def main():
|
| 23 |
1137
|
aaronmk
|
ignore = opts.env_flag('ignore')
|
| 24 |
|
|
try: _prog_name, map_1_path = sys.argv[:2]
|
| 25 |
929
|
aaronmk
|
except ValueError:
|
| 26 |
1137
|
aaronmk
|
raise SystemExit('Usage: env [ignore=1] '+sys.argv[0]+' <from_map '
|
| 27 |
|
|
'subtract_map [compare_col_num...] [| '+sys.argv[0]
|
| 28 |
|
|
+' subtract_map_2]... >difference_map')
|
| 29 |
|
|
compare_col_nums = map(int, sys.argv[2:]) # 0-based
|
| 30 |
1495
|
aaronmk
|
if compare_col_nums == []:
|
| 31 |
|
|
compare_col_nums = None # list_subset() value for all columns
|
| 32 |
929
|
aaronmk
|
|
| 33 |
2021
|
aaronmk
|
def compare_on(row):
|
| 34 |
|
|
return tuple(util.list_subset(row, compare_col_nums, default=None))
|
| 35 |
1137
|
aaronmk
|
|
| 36 |
1503
|
aaronmk
|
headers = [None]*2
|
| 37 |
|
|
|
| 38 |
929
|
aaronmk
|
# Get map 1
|
| 39 |
1505
|
aaronmk
|
input_cols = set()
|
| 40 |
1137
|
aaronmk
|
compare_cols = set()
|
| 41 |
1786
|
aaronmk
|
map_ = dict()
|
| 42 |
929
|
aaronmk
|
stream = open(map_1_path, 'rb')
|
| 43 |
|
|
reader = csv.reader(stream)
|
| 44 |
1503
|
aaronmk
|
headers[1] = reader.next()
|
| 45 |
929
|
aaronmk
|
for row in reader:
|
| 46 |
1505
|
aaronmk
|
if row[0] != '':
|
| 47 |
|
|
input_cols.add(row[0])
|
| 48 |
|
|
compare_cols.add(compare_on(row))
|
| 49 |
2021
|
aaronmk
|
if reduce(operator.and_, (v == '' for v in row[1:])): # all empty
|
| 50 |
|
|
map_[row[0]] = row[1]
|
| 51 |
929
|
aaronmk
|
stream.close()
|
| 52 |
|
|
|
| 53 |
|
|
# Open map 0
|
| 54 |
|
|
reader = csv.reader(sys.stdin)
|
| 55 |
1503
|
aaronmk
|
headers[0] = reader.next()
|
| 56 |
929
|
aaronmk
|
|
| 57 |
1503
|
aaronmk
|
# Check col labels
|
| 58 |
1508
|
aaronmk
|
combinable = maps.combinable(*headers)
|
| 59 |
|
|
if not combinable and not ignore:
|
| 60 |
1503
|
aaronmk
|
raise SystemExit('Map error: '
|
| 61 |
|
|
'Map 0 column 0 label doesn\'t contain map 1 column 0 label')
|
| 62 |
|
|
|
| 63 |
929
|
aaronmk
|
# Subtract map 1 from map 0
|
| 64 |
|
|
writer = csv.writer(sys.stdout)
|
| 65 |
1503
|
aaronmk
|
writer.writerow(headers[0])
|
| 66 |
929
|
aaronmk
|
for row in reader:
|
| 67 |
1786
|
aaronmk
|
if not combinable or not (
|
| 68 |
|
|
(maps.is_nonexplicit_empty_mapping(row) and row[0] in input_cols)
|
| 69 |
|
|
or compare_on(row) in compare_cols
|
| 70 |
|
|
or util.have_same_value(map_, row[0], row[1]) # map to same place
|
| 71 |
|
|
):
|
| 72 |
1508
|
aaronmk
|
# not combinable or not in map 1
|
| 73 |
1505
|
aaronmk
|
writer.writerow(row)
|
| 74 |
929
|
aaronmk
|
|
| 75 |
|
|
main()
|
