Issue #2: Removed bson and pymongo from requirements

pypushflow/UtilsMongoDb.py

@@ -24,11 +24,17 @@ __license__ = "MIT"
 __date__ = "16/10/2019"
 
 import os
-import bson
 import datetime
-import pymongo
 
-from bson.objectid import ObjectId
+
+try:
+    import pymongo
+    import bson
+    from bson.objectid import ObjectId
+    USE_MONGODB = True
+except:
+    print("Error when trying to import pymongo and/or bson - no MongoDB connection possible")
+    USE_MONGODB = False
 
 
 def getDateTimeString():
@@ -36,7 +42,10 @@ def getDateTimeString():
 
 
 def getMongoUrl():
-    return os.environ.get('PYPUSHFLOW_MONGOURL', None)
+    mongoUrl = None
+    if USE_MONGODB:
+        mongoUrl = os.environ.get('PYPUSHFLOW_MONGOURL', None)
+    return mongoUrl
 
 
 def initMongo(name):

requirements.txt

-pymongo
-bson
\ No newline at end of file