add stocard_stores.py script

app/src/main/res/raw/readme.md

@@ -1,19 +1,5 @@
 # stocard_stores.csv
 
-stocard_stores.csv was created by extracting /data/data/de.stocard/de.stocard.stocard/databases/stores on a rooted devices and running the following command over it:
-
-```
-sqlite3 -header -csv sync_db "select id,content from synced_resources where collection = '/loyalty-card-providers/'" > stocard_providers.csv
-while IFS= read -r line; do
-  if [ "$line" = "id,content" ]; then
-    echo "_id,name,barcodeFormat" > stocard_stores.csv
-  else
-    id="$(echo "$line" | cut -d ',' -f1)"
-    name="$(echo "$line" | cut -d ',' -f2- | sed 's/""/"/g' | sed 's/^"//g' | sed 's/"$//g' | jq -r .name)"
-    barcodeFormat="$(echo "$line" | cut -d ',' -f2- | sed 's/""/"/g' | sed 's/^"//g' | sed 's/"$//g' | jq -r .default_barcode_format)"
-    echo "$id,\"$name\",$barcodeFormat" >> stocard_stores.csv
-  fi
-done < stocard_providers.csv
-```
+`stocard_stores.csv` was created using `stocard_stores.py`
 
 Only used for data portability reasons (ensuring importing works). Do NOT copy this anywhere else or use it for any purpose other than ensuring we can import a GDPR-provided export. We want to make sure this stays under fair use.

app/src/main/res/raw/stocard_stores.py

@@ -0,0 +1,44 @@
+#!/usr/bin/python3
+
+import csv
+import json
+import msgpack
+
+MSGPACK = "bootstrapdata.msgpack"
+OUTFILE = "stocard_stores.csv"
+
+
+def load(fh):
+    data = []
+    for r in msgpack.Unpacker(fh, raw=False):
+        if r["collection"] == "/loyalty-card-providers/":
+            d = json.loads(r["data"])
+            data.append([r["resource_id"], d["name"], d["default_barcode_format"]])
+    return data
+
+
+def save(data, output_file=OUTFILE):
+    with open(output_file, "w") as fh:
+        writer = csv.writer(fh, lineterminator="\n")
+        writer.writerow(["_id", "name", "barcodeFormat"])
+        for row in data:
+            writer.writerow(row)
+
+
+if __name__ == "__main__":
+    import argparse
+    parser = argparse.ArgumentParser(
+        epilog=f"INPUT_FILE must be a .msgpack or .apk and defaults to {MSGPACK}; "
+               f"OUTPUT_FILE defaults to {OUTFILE}")
+    parser.add_argument("input_file", metavar="INPUT_FILE", nargs="?", default=MSGPACK)
+    parser.add_argument("output_file", metavar="OUTPUT_FILE", nargs="?", default=OUTFILE)
+    args = parser.parse_args()
+    if args.input_file.lower().endswith(".apk"):
+        import zipfile
+        with zipfile.ZipFile(args.input_file) as zf:
+            with zf.open(f"assets/{MSGPACK}") as fh:
+                data = load(fh)
+    else:
+        with open(args.input_file, "rb") as fh:
+            data = load(fh)
+    save(data, args.output_file)