Updated Useful import scripts (markdown)

Useful-import-scripts.md

@@ -198,3 +198,62 @@ with open('Daily activity metrics.csv', newline='') as input_csv:
       if (weight and date):
         output_writer.writerow([parse(date).strftime('%d.%m.%Y 08:00'), round(float(weight), 2)])
 ```
+
+## Apple Health --> openScale CSV file
+
+by MoralCode see https://github.com/oliexdev/openScale/issues/731
+
+```python
+#!/usr/bin/python
+
+# Usage: first run your apple health export through the scripts as documented in https://github.com/markwk/qs_ledger/tree/master/apple_health
+# then run this script using the BodyMass.csv from this process to get an OpenScale csv
+
+import argparse
+import csv
+import datetime
+from dateutil.parser import parse as parsedate
+
+OPENSCALE_HEADER = '"biceps","bone","caliper1","caliper2","caliper3","calories","chest","comment","dateTime","fat","hip","lbm","muscle","neck","thigh","visceralFat","waist","water","weight"'
+OPENSCALE_HEADER = OPENSCALE_HEADER.replace('"', '')
+
+_APPLE_QUANTIFIEDSELF_BODYMASS_HEADER = 'sourceName,sourceVersion,device,type,unit,creationDate,startDate,endDate,value'
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('apple_bodymass_csv_file_path')
+    parser.add_argument('output_path')
+    
+    args = parser.parse_args()
+    
+    with open(args.apple_bodymass_csv_file_path, 'r') as inp:
+        reader = csv.DictReader(inp)
+        with open(args.output_path, 'w') as outp:
+            writer = csv.DictWriter(outp, OPENSCALE_HEADER.split(','))
+            # outp.write(f'{OPENSCALE_HEADER}\n')
+            writer.writeheader()
+            
+            for line in reader:
+                creationDate = line['creationDate']
+                output_date = parsedate(creationDate).strftime('%Y-%m-%d %H:%M')
+                weight = float(line['value'])
+                if line['unit'] == 'lb':
+                    # convert to KG
+                    weight = weight / 2.2
+
+                comment = "Imported from Apple Health export. Data originally from "
+                appname = line["sourceName"]
+                # make the apple health app name a little more obvious. by default its just "health"
+                if appname == "Health":
+                    appname = "Apple Health"
+                comment += appname + " app"
+                appversion = line["sourceVersion"]
+                if appversion != "":
+                    comment += " version " + appversion
+
+                writer.writerow({
+                    'dateTime': output_date,
+                    'weight': "{:.2f}".format(weight),
+                    'comment': comment
+                })
+```