24.03.2022 Database & Menu update
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089f180ac4
commit
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@ -1,7 +1,7 @@
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# TODO: Datenbank Klasse (CRUD)
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#
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# TODO: Tabellen und Spaltennamen selbst bestimmen
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import re
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import mysql.connector
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@ -11,13 +11,14 @@ def create(db_cursor, name, type_):
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# TODO Fix nötig
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query = f'CREATE {type_} {name};'
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if type_ == 'TABLE':
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query = f'CREATE {type_} {name} (ID integer primary key auto_increment, question varchar(255), answers varchar(255));'
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query = f'CREATE {type_} {name}'
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try:
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db_cursor.execute(query)
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except mysql.connector.Error as err:
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print('Something went wrong', err)
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# Datenbank auslesen
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def read(db_cursor, name):
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query = f'SELECT * FROM {name}'
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try:
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@ -26,11 +27,12 @@ def read(db_cursor, name):
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print('Something went wrong', err)
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# TODO
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def update(db_cursor, name, type_):
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# TODO
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return
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# Löschen von Datenbank oder Tabelle
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def del_(db_cursor, name, type_):
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query = f'DROP {type_} IF EXISTS {name};'
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try:
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@ -38,23 +40,26 @@ def del_(db_cursor, name, type_):
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except mysql.connector.Error as err:
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print('Something went wrong', err)
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# TODO hier die Spaltennamen selbst bestimmen
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def add(db_cursor, name, question, answer):
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query = f'INSERT INTO {name} (question, answer) VALUES ({question}, {answer});'
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# Spalten anlegen
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def add_columns(db_cursor, column_name, table_name):
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query = f'INSERT INTO {table_name} {column_name};'
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try:
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db_cursor.execute(query)
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except mysql.connector.Error as err:
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print('Something went wrong', err)
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def show(db_cursor, type_):
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query = f'SHOW {type_};'
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# TODO
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def add_values(db_cursor, table_name, column_name, value):
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query = ''
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try:
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db_cursor.execute(query)
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except mysql.connector.Error as err:
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print('Something went wrong', err)
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# Datenbank benutzen
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def use(db_cursor, name):
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query = f'USE {name};'
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try:
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@ -63,25 +68,14 @@ def use(db_cursor, name):
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print('Something went wrong', err)
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def show_tables(db_cursor):
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query = 'show tables;'
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try:
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db_cursor.execute(query)
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except mysql.connector.Error as err:
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print('Something went wrong', err)
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def show(db_cursor, use_type):
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# Zeigt Datenbanken oder Tabellen in der ausgewähltem Datenbank anzeigen
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def show_all(db_cursor, use_type):
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query = f'show {use_type}'
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try:
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db_cursor.execute(query)
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for i in db_cursor.fetchall():
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print(str(i).replace(',','').replace('(', '').replace(')', ''))
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string_ = re.sub('[,()]', '', str(i))
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print(string_)
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print('\n')
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except mysql.connector.Error as err:
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print('Something went wrong', err)
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def string_formater(_string):
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_string.replace(',','').replace('(', '').replace(')', '')
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return str(_string)
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@ -12,7 +12,7 @@ def menu():
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3: ' Datenbank umbenennen',
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4: ' Datenbanken benutzen',
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5: ' Tabelle erstellen', 6: ' Tabelle umbenennen', 7: ' Tabelle löschen', 8: ' Tabelle auslesen',
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9: ' In Tabelle einfügen', 10: 'Tabellen anzeigen', 11: 'Frage/Antwort hinzufügen',
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9: ' Spalten erstellen', 10: 'Tabellen anzeigen', 11: 'Frage/Antwort hinzufügen',
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12: 'Zurück zum Hauptmenü'}
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while connection.is_connected():
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@ -28,7 +28,7 @@ def menu():
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case 0:
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use_type = 'DATABASES'
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print('# Datenbanken #\n')
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database.show(cursor, use_type)
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database.show_all(cursor, use_type)
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case 1:
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use_type = 'DATABASE'
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print('# Datenbank erstellen #\n')
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@ -36,7 +36,7 @@ def menu():
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database.create(cursor, database_name, use_type)
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case 2:
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use_type = 'DATABASE'
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print('# Datenbank löschen #\n') # Platzhalter für die Funktion
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print('# Datenbank löschen #\n')
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database_name = input('Welche Datenbank soll gelöscht werden?\n')
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database.del_(cursor, database_name, use_type)
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case 3:
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@ -61,19 +61,22 @@ def menu():
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print('# Tabelle Auslesen #\n')
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name = input('Aus welcher Tabelle soll dir alles angezeigt werden?\n')
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database.read(cursor, name)
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case 9:
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print('--Funktion ist in Arbeit-- \n')
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continue
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print('# Spalten erstellen #\n')
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table_name = input('In welcher Tabelle möchtest du spalten anlegen? Achtung, Tabelle muss vorhanden '
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'sein! \n')
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column_name = input('Wie soll die Spalte heißen?\n')
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database.add_columns(cursor,table_name,column_name)
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case 10:
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database.show_tables(cursor)
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print(str(cursor.fetchall()).replace(',', ''))
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return
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print(' # Tabellen anzeigen #\n ')
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use_type = 'TABLES'
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database.show_all(cursor, use_type)
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case 11:
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table_name = str(input('Bitte den Tabellennamen angeben\n'))
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# TODO überarbneitung nötig!
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"""table_name = str(input('Bitte den Tabellennamen angeben\n'))
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print("#Fragen und Antworten hinzufügen #\n")
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question = str(input('Bitte die Frage eingeben\n'))
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answer = str(input('Bitte die dazugehörige antwort eingeben\n'))
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database.add(cursor, table_name, question, answer)
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database.add(cursor, table_name, question, answer)"""
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case 12:
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main_menu.main_menu()
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