Remove unused save option and add scrubbing (#19)

* Removes unused save option and adds scrubbing

* Defaults to scrub and adds no-scrub option

* Adds latitude and longitude to the scrub list

kasa/cli.py

@@ -2,6 +2,7 @@
 import asyncio
 import json
 import logging
+import re
 from pprint import pformat as pf
 
 import click
@@ -81,22 +82,46 @@ def cli(ctx, host, alias, target, debug, bulb, plug, strip):
 
 
 @cli.command()
-@click.option("--save")
+@click.option("--scrub/--no-scrub", default=True)
 @click.pass_context
-def dump_discover(ctx, save):
+def dump_discover(ctx, scrub):
     """Dump discovery information.
 
-    Useful for dumping into a file with `--save` to be added to the test suite.
+    Useful for dumping into a file to be added to the test suite.
     """
     target = ctx.parent.params["target"]
+    keys_to_scrub = [
+        "deviceId",
+        "fwId",
+        "hwId",
+        "oemId",
+        "mac",
+        "latitude_i",
+        "longitude_i",
+        "latitude",
+        "longitude",
+    ]
     devs = asyncio.run(Discover.discover(target=target, return_raw=True))
+    if scrub:
+        click.echo("Scrubbing personal data before writing")
     for dev in devs.values():
+        if scrub:
+            for key in keys_to_scrub:
+                if key in dev["system"]["get_sysinfo"]:
+                    val = dev["system"]["get_sysinfo"][key]
+                    if key in ["latitude_i", "longitude_i"]:
+                        val = 0
+                    else:
+                        val = re.sub("\w", "0", val)
+                    dev["system"]["get_sysinfo"][key] = val
+
         model = dev["system"]["get_sysinfo"]["model"]
         hw_version = dev["system"]["get_sysinfo"]["hw_ver"]
         save_to = f"{model}_{hw_version}.json"
         click.echo("Saving info to %s" % save_to)
         with open(save_to, "w") as f:
             json.dump(dev, f, sort_keys=True, indent=4)
+            f.write("\n")
 
 
 @cli.command()