Merge branch 'master' of ssh://gitea.setlock.xyz:2222/shaun/garden

.gitignore

@@ -138,3 +138,5 @@ dmypy.json
 # Cython debug symbols
 cython_debug/
 
+# Secrets
+.creds*

db_tools/db_writer.py

@@ -0,0 +1,73 @@
+#! env/bin/python3
+
+# import the psycopg2 database adapter for PostgreSQL
+import psycopg2
+from psycopg2.extras import Json
+import json
+import sys
+
+def connect_db(db: str,host: str,user: str,passwd: str):
+    try:
+        # declare a new PostgreSQL connection object
+        conn = psycopg2.connect(
+            dbname = db,
+            user = user,
+            host = host,
+            password = passwd,
+            # attempt to connect for 3 seconds then raise exception
+            connect_timeout = 3
+        )
+
+    except (Exception, psycopg2.Error) as err:
+        #print ("\npsycopg2 connect error:", err)
+        conn = None
+    return conn
+
+def get_db_creds(file: str):
+    with open(file) as cred_file:
+        creds = json.load(cred_file)
+    return creds
+
+def insert_data(conn, data):
+    
+    # insert a new vendor into the vendors table
+    sql = """  
+    INSERT INTO
+        air(datetime, temperature, humidity) 
+    VALUES
+        (%s, %s, %s)
+    """
+    
+    try:
+        # open cursor on our db connection
+        cur = conn.cursor()
+
+        # execute the INSERT statement
+        data = (data["datetime"], data["temperature"], data["humidity"])
+        cur.execute(sql,data)
+
+        # commit the changes to the database
+        conn.commit()
+
+        # close communication with the database
+        cur.close()
+
+    except (Exception, psycopg2.DatabaseError) as error:
+        print(error)
+
+    finally:
+        if conn is not None:
+            conn.close()
+    
+if __name__ == "__main__":
+    data = {
+        "datetime": "2021-10-23 01:58:08.205911",
+        "temperature": "73.4",
+        "humidity": "49.2"
+    }
+
+    creds = get_db_creds("./.creds.json")
+
+    conn = connect_db(creds["db"], creds["host"], creds["user"], creds["passwd"])
+
+    insert_data(conn, data)

db_tools/requirements.txt

@@ -0,0 +1,13 @@
+black==21.9b0
+click==8.0.3
+importlib-metadata==4.8.1
+mypy-extensions==0.4.3
+pathspec==0.9.0
+platformdirs==2.4.0
+psycopg2-binary==2.9.1
+regex==2021.10.8
+RPi.GPIO==0.7.0
+tomli==1.2.1
+typed-ast==1.4.3
+typing-extensions==3.10.0.2
+zipp==3.6.0