added sql stuff

Freitag/insert_all.py

@@ -0,0 +1,86 @@
+#! /usr/bin/env python3
+#
+#Benötigt python3-pymysql
+# mysql -h notebook14 -u python -pvilla inventory
+import sys
+import pymysql
+
+from utilities import hide_exception
+
+def db_connect(credentials: dict):
+    connection = pymysql.connect(**credentials)
+    return connection
+
+# Passwort aus Konfigiruationsdaten lesen
+
+
+
+def list_hosts(connection):
+    cursor = connection.cursor()
+    sql =   """
+            SELECT name, domain, address 
+            FROM hosts 
+            ORDER BY name
+            """
+    cursor.execute(sql)
+    #ermittlung cursor.fetchone() eine Zeile cursor.fetchmany() gibt vile in einer Zeile 
+    # cursor ist Iterator
+    #test = [row for row in cursor]
+    for row in cursor:
+        print("{0:20} {2:15} {2}".format(*row))
+
+def add_host(connection, args):
+    cursor = connection.cursor()
+    sql =  """
+            INSERT INTO hosts
+            (name, domain, address)
+            VALUES (%(name)s, %(domain)s, %(address)s)
+            """
+            # oder mit .format(**args) {name} usw
+    cursor.execute(sql,args)
+    connection.commit()
+
+def db_insert_into(connection, table, data):
+    columns = []
+    values = []
+    for col in data.keys():
+        col = col.replace("'", '')
+        columns.append(col)
+        values.append('%('+col+')s')
+    sql =   """
+            INSERT INTO {table}
+            ({columns})
+            VALUES ({placeholder})
+            """.format(
+                table=table, 
+                columns=','.join(columns), 
+                placeholder=','.join(values),
+                )
+    print(sql)
+
+    with connection as cursor:
+        cursor.execute(sql, data)
+
+
+
+
+#Connection
+def main():
+    credentials = dict(
+    host = 'notebook14', 
+    user = 'python',
+    password = 'villa',
+    database = 'inventory'
+)   
+    db = db_connect(credentials)
+    #list_hosts(db)
+    row = dict(
+        name='notebook999',
+        domain='linuxhotel.example',
+        address='192.168.1.254',
+    )
+    db_insert_into(db, 'hosts', row )
+    db.close()
+
+
+hide_exception(main)