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Diffstat (limited to 'metchart/modifier/diff.py')
| -rw-r--r-- | metchart/modifier/diff.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/metchart/modifier/diff.py b/metchart/modifier/diff.py new file mode 100644 index 0000000..496acf7 --- /dev/null +++ b/metchart/modifier/diff.py @@ -0,0 +1,6 @@ +def run(data, vars): + ret = data[0] + for var in vars: + ret[var['name']] = ret[var['field']].diff(var['by']) + + return ret |