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FunBase: encrypted file-based database with .fb extension

Project description

FunBase

  • RU: FunBase — это любительский проект, разработанный Nite017, представляющий удобную базу данных с расширением FB
  • EN: FunBase is a hobby project developed by Nite017, providing a user-friendly database with the FB extension

Возможности | Features

  • create_table(table_name) — создать таблицу / create a table.
  • insert(table_name, record) — добавить запись / insert a record.
  • select_all(table_name) — получить все записи / get all records.
  • Update(table_name, 'SET x = (?) WHERE y = (?)', value, where_value, count) — обновление по строковому шаблону / update with SQL-like syntax.
  • Update_int(table_name, 'SET x = (?) WHERE y > (?)', value, where_value, count) — числовое обновление / numeric update.
  • remove(table_name, '(?) WHERE y = (?)', value, where_value, count) — удаление по шаблону / remove by template.
  • search(table_name, phrase) — поиск по фразе / search by phrase.
  • select_random(table_name, column, count) — случайные значения колонки / random values from a column.
  • print_random(table_name, count) — случайные записи / random records.
  • delete_table(table_name) — удалить таблицу / delete a table.
  • tables() — список таблиц / list tables.

Правила Update | Update rules

db.Update("users", "SET name = (?) WHERE id = (?)", "Alice", 1, 0)

RU: Последний аргумент — количество обновлений. 0 значит обновить все подходящие записи. EN: The last argument is the number of updates. 0 means update all matching records.

Правила remove | Remove rules

db.remove("users", "(?) WHERE age = (?)", 25, 2)

RU: Последний аргумент — количество удалений. 0 значит удалить все подходящие записи. EN: The last argument is the number of deletions. 0 means remove all matching records.

Правила Update_int | Update_int rules

Поддерживаются / Supported:

  • =
  • ==
  • !=
  • >
  • <
  • >=
  • <=
db.Update_int("users", "SET age = (?) WHERE age > (?)", 40, 25, 1)

Пример | Example

from funbase import FunBase
import os

DB_FILE = "demo_v5.fb"

if os.path.exists(DB_FILE):
    os.remove(DB_FILE)

db = FunBase(DB_FILE)

db.create_table("users")
db.insert("users", {"id": 1, "name": "Alice", "age": 25})
db.insert("users", {"id": 2, "name": "Bob", "age": 30})
db.insert("users", {"id": 3, "name": "Charlie", "age": 18})
db.insert("users", {"id": 4, "name": "Diana", "age": 30})

print("Before:")
for row in db.select_all("users"):
    print(row)

print("\nUpdate:")
db.Update("users", "SET name = (?) WHERE id = (?)", "Bobby", 2, 1)

print("\nRemove:")
db.remove("users", "WHERE age = (?)", 30, 1)

print("\nSearch 'Ali':")
print(db.search("users", "Ali"))

print("\nRandom ids:")
print(db.select_random("users", "id", 2))

print("\nRandom rows:")
db.print_random("users", 2)

print("\nAfter:")
for row in db.select_all("users"):
    print(row)

Пример | Example

from funbase import FunBase

db = FunBase("demo_v5.fb")

print("RU: Таблицы | EN: Tables:", db.tables())

print("\nRU: Поиск по фразе 'Bob' | EN: Search phrase 'Bob':")
print(db.search("users", "Bob"))

print("\nRU: Случайные id | EN: Random ids:")
print(db.select_random("users", "id", 2))

print("\nRU: Случайные записи | EN: Random rows:")
db.print_random("users", 2)

print("\nRU: Все данные | EN: All data:")
for table in db.tables():
    print(f"\n=== {table} ===")
    for row in db.select_all(table):
        print(row)

Ошибки | Errors

RU: Сообщения об ошибках выводятся на русском и английском. EN: Error messages are shown in both Russian and English.

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