add sqlalchemy

Gremlin_Python/Gremlin_Python.py

@@ -1,5 +1,7 @@
 import mysql.connector as database
     
+print("Willkommen bei Gremlin_Python!")
+
 connection = database.connect(
     host="woitschetzki.de",
     port="3306",
@@ -9,8 +11,7 @@ connection = database.connect(
 
 cursor = connection.cursor()
 
-
+def readContactFromDb(lastName):
-def getContact(lastName):
     try:
         statement = "SELECT ContactId, AccountId, FirstName, LastName, Gender, Email FROM Contacts WHERE LastName LIKE %s"
         data = (lastName,)
@@ -27,12 +28,45 @@ def getContact(lastName):
     except database.Error as error:
         print(f"Error retrieving entry from database: {error}")
 
+def writeContactToDb(accountId, firstName, lastName, gender, email):
+    try:
+        statement = "INSERT INTO Contacts (accountId, firstName, lastName, gender, email) VALUES (%s, %s, %s, %s, %s)"
+        data = (accountId, firstName, lastName, gender, email)
+        cursor.execute(statement, data)
+        connection.commit()
+        print(f"Successfully added {firstName} {lastName} to database.")
+    except database.Error as error:
+        print(f"Error adding entry to database: {error}")    
 
-print("Willkommen bei Gremlin_Python!")
+def createNewContact():
+    print("AccountID?")
+    accountId = input()
+
+    print("FirstName?")
+    firstName = input()
+
+    print("LastName?")
+    lastName = input()
+
+    print("Gender?")
+    gender = input()
+
+    print("Email?")
+    email = input()
+
+    writeContactToDb(accountId, firstName, lastName, gender, email)
+
+def main():
+    while 2 > 1:
+        print("Nach welchem Nachnamen suchen Sie?:")
+        contactSearch = input()
+        readContactFromDb(f"%{contactSearch}%")
+
+        print("Neuen Kontakt hinzufügen? (j/N):")
+        wantNewContact = input()
+        if wantNewContact == "j":
+            createNewContact()
 
-while 2 > 1:
+main()
-    print("Nach welchem Kunden suchen Sie?: ")
-    contactSearch = input()
-    getContact(f"%{contactSearch}%")
 
 connection.close()

Gremlin_Python/sqlalchemy.py

@@ -0,0 +1,29 @@
+from sqlalchemy.ext.automap import automap_base
+from sqlalchemy.orm import Session
+from sqlalchemy import create_engine
+
+Base = automap_base()
+
+# engine, suppose it has two tables 'user' and 'address' set up
+engine = create_engine(
+    "mysql+mysqldb://sascha:mgltoJtmmDnKJ86LltsGdw@server0:3306/regulus")
+
+# reflect the tables
+Base.prepare(autoload_with=engine)
+
+# mapped classes are now created with names by default
+# matching that of the table name.
+firstName = Base.classes.FirstName
+lastName = Base.classes.LastName
+
+session = Session(engine)
+
+# rudimentary relationships are produced
+session.add(Address(email_address="thomas.deckstein@kuraray.com",
+            user=User(name="Deckstein")))
+session.commit()
+
+# collection-based relationships are by default named
+# "<classname>_collection"
+u1 = session.query(User).first()
+print(u1.address_collection)