manager runs on Mac, and other openpilot for PC fixes (#1037)

* use the openpilot/persist directory on PC

* manager runs on mac

* sim runs w/o carla

* fix params location in test

* that rmtree can fail and it's okay

* refactor params clear functionality

* set PARAMS_PATH

common/android.py

@@ -92,6 +92,8 @@ def parse_service_call_bytes(ret):
 
 def get_network_type(NetworkType):
   wifi_check = parse_service_call_string(service_call(["connectivity", "2"]))
+  if wifi_check is None:
+    return NetworkType.none
   if 'WIFI' in wifi_check:
     return NetworkType.wifi
   else:

common/api/__init__.py

@@ -1,13 +1,13 @@
 import jwt
 import requests
 from datetime import datetime, timedelta
-
+from common.basedir import PERSIST
 from selfdrive.version import version
 
 class Api():
   def __init__(self, dongle_id):
     self.dongle_id = dongle_id
-    with open('/persist/comma/id_rsa') as f:
+    with open(PERSIST+'/comma/id_rsa') as f:
       self.private_key = f.read()
 
   def get(self, *args, **kwargs):

common/basedir.py

@@ -1,4 +1,11 @@
 import os
 BASEDIR = os.path.abspath(os.path.join(os.path.dirname(os.path.realpath(__file__)), "../"))
 
+from common.android import ANDROID
+if ANDROID:
+  PERSIST = "/persist"
+  PARAMS = "/data/params"
+else:
+  PERSIST = os.path.join(BASEDIR, "persist")
+  PARAMS = os.path.join(BASEDIR, "persist", "params")
 

common/ffi_wrapper.py

@@ -2,8 +2,14 @@ import os
 import sys
 import fcntl
 import hashlib
+import platform
 from cffi import FFI
 
+def suffix():
+  if platform.system() == "Darwin":
+    return ".dylib"
+  else:
+    return ".so"
 
 def ffi_wrap(name, c_code, c_header, tmpdir="/tmp/ccache", cflags="", libraries=None):
   if libraries is None:

common/params.py

@@ -29,7 +29,7 @@ import fcntl
 import tempfile
 import threading
 from enum import Enum
-
+from common.basedir import PARAMS
 
 def mkdirs_exists_ok(path):
   try:
@@ -320,7 +320,7 @@ def write_db(params_path, key, value):
     lock.release()
 
 class Params():
-  def __init__(self, db='/data/params'):
+  def __init__(self, db=PARAMS):
     self.db = db
 
     # create the database if it doesn't exist...
@@ -328,6 +328,11 @@ class Params():
       with self.transaction(write=True):
         pass
 
+  def clear_all(self):
+    shutil.rmtree(self.db, ignore_errors=True)
+    with self.transaction(write=True):
+      pass
+
   def transaction(self, write=False):
     if write:
       return DBWriter(self.db)