split const and logger from main

pialert/helper.py

@@ -0,0 +1,67 @@
+""" Colection of generic functions to support Pi.Alert """
+import datetime
+import os
+import subprocess
+
+from const import *
+from logger import mylog
+
+#-------------------------------------------------------------------------------
+def timeNow():
+    return datetime.datetime.now().replace(microsecond=0)
+
+#-------------------------------------------------------------------------------
+def updateSubnets(SCAN_SUBNETS):
+
+    #  remove old list
+    userSubnets = []  
+
+    # multiple interfaces
+    if type(SCAN_SUBNETS) is list:        
+        for interface in SCAN_SUBNETS :            
+            userSubnets.append(interface)
+    # one interface only
+    else:        
+        userSubnets.append(SCAN_SUBNETS)    
+
+
+
+#-------------------------------------------------------------------------------
+# check RW access of DB and config file
+def checkPermissionsOK():
+    global confR_access, confW_access, dbR_access, dbW_access
+    
+    confR_access = (os.access(fullConfPath, os.R_OK))
+    confW_access = (os.access(fullConfPath, os.W_OK))
+    dbR_access = (os.access(fullDbPath, os.R_OK))
+    dbW_access = (os.access(fullDbPath, os.W_OK))
+
+
+    mylog('none', ['\n Permissions check (All should be True)'])
+    mylog('none', ['------------------------------------------------'])
+    mylog('none', [ "  " , confPath ,     " | " , " READ  | " , confR_access])
+    mylog('none', [ "  " , confPath ,     " | " , " WRITE | " , confW_access])
+    mylog('none', [ "  " , dbPath , "       | " , " READ  | " , dbR_access])
+    mylog('none', [ "  " , dbPath , "       | " , " WRITE | " , dbW_access])
+    mylog('none', ['------------------------------------------------'])
+
+    #return dbR_access and dbW_access and confR_access and confW_access 
+    return (confR_access, dbR_access) 
+#-------------------------------------------------------------------------------
+def fixPermissions():
+    # Try fixing access rights if needed
+    chmodCommands = []
+    
+    chmodCommands.append(['sudo', 'chmod', 'a+rw', '-R', fullDbPath])    
+    chmodCommands.append(['sudo', 'chmod', 'a+rw', '-R', fullConfPath])
+
+    for com in chmodCommands:
+        # Execute command
+        mylog('none', ["[Setup] Attempting to fix permissions."])
+        try:
+            # try runnning a subprocess
+            result = subprocess.check_output (com, universal_newlines=True)
+        except subprocess.CalledProcessError as e:
+            # An error occured, handle it
+            mylog('none', ["[Setup] Fix Failed. Execute this command manually inside of the container: ", ' '.join(com)]) 
+            mylog('none', [e.output])