First look

.gitignore

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+.gitignore
+/.idea/
+testing.py
+/databases/

main.py

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-import sqlite3
+db_type = "sqlite"
+import sqlLite
+sqlLite.set_db_name("databases/test.db")
 
-DB_CON = sqlite3.connect("database.db")
-DB_CUR = DB_CON.cursor()
+if db_type == "sqlite":
+    import sqlLite.get as getter
+    import sqlLite.create as create
+    import sqlLite.set as setter
+    import testing as testing
+    create.create_table_t_user()
+    setter.set_login("test@test.test", "password")
+    getter.get_user()
+    #testing.sqllite_reset(sqlitename)
 

sqlLite/__init__.py

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+db_name = "databases/test.db"
+
+def set_db_name(name):
+    global db_name
+    db_name = name

sqlLite/create.py

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+import sqlite3
+from . import db_name
+
+## Create Tables
+def create_table_t_user():
+    db_con = sqlite3.connect(db_name)
+    db_cur = db_con.cursor()
+    db_cur.execute("""
+    CREATE TABLE IF NOT EXISTS T_USERS (
+        ID INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+        USERNAME TEXT NOT NULL UNIQUE,
+        EMAIL TEXT NOT NULL UNIQUE,
+        PASSWORD TEXT NOT NULL
+    );""")
+    db_con.commit()

sqlLite/get.py

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+import sqlite3
+from . import db_name
+
+def get_user():
+    conn = sqlite3.connect(db_name)
+    cursor = conn.cursor()
+    cursor.execute('select * from T_USERS')
+    rows = cursor.fetchall()
+    for row in rows:
+        print(row)

sqlLite/set.py

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+from hashlib import sha512
+import sqlite3
+import useful.check as check
+from . import db_name
+
+def set_password_hash(password):
+    return sha512(password.encode('utf-8')).hexdigest()
+
+def set_login(email, password):
+    db_con = sqlite3.connect(db_name)
+    db_cur = db_con.cursor()
+    try:
+        if check.check_email(email):
+            db_cur.execute("INSERT INTO T_USERS (USERNAME, EMAIL, PASSWORD) VALUES (?,?,?)", ('test',email, set_password_hash(password)))
+            db_con.commit()
+        else:
+            print("Email entered is not valid")
+    except sqlite3.IntegrityError:
+        print("Username or Email entered is not unique")

useful/check.py

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+import re
+
+def check_email(email):
+    # Click on Edit and place your email ID to validate
+    #email = "my.ownsite@our-earth.de"
+    valid = re.match(r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$', email)
+    if valid:
+        return True
+    else:
+        return False