Nelze vybrat více než 25 témat
Téma musí začínat písmenem nebo číslem, může obsahovat pomlčky („-“) a může být dlouhé až 35 znaků.
97 řádky
2.7 KiB
97 řádky
2.7 KiB
import os
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import sqlite3 as sqlite
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import random
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import base64
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import simplejson as json
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class Book:
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id: str
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title: str
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author: str
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publisher: str
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original_title: str
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translator: str
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pub_year: str
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pages: int
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price: int
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binding: str
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isbn: str
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author_intro: str
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book_intro: str
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content: str
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tags: [str]
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pictures: [bytes]
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def __init__(self):
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self.tags = []
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self.pictures = []
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class BookDB:
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def __init__(self, large: bool = False):
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parent_path = os.path.dirname(os.path.dirname(__file__))
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self.db_s = os.path.join(parent_path, "data/book.db")
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self.db_l = os.path.join(parent_path, "data/book_lx.db")
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if large:
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self.book_db = self.db_l
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else:
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self.book_db = self.db_s
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def get_book_count(self):
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conn = sqlite.connect(self.book_db)
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cursor = conn.execute(
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"SELECT count(id) FROM book")
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row = cursor.fetchone()
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return row[0]
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def get_book_info(self, start, size) -> [Book]:
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books = []
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conn = sqlite.connect(self.book_db)
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cursor = conn.execute(
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"SELECT id, title, author, "
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"publisher, original_title, "
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"translator, pub_year, pages, "
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"price, currency_unit, binding, "
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"isbn, author_intro, book_intro, "
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"content, tags, picture FROM book ORDER BY id "
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"LIMIT ? OFFSET ?", (size, start))
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for row in cursor:
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book = Book()
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book.id = row[0]
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book.title = row[1]
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book.author = row[2]
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book.publisher = row[3]
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book.original_title = row[4]
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book.translator = row[5]
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book.pub_year = row[6]
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book.pages = row[7]
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book.price = row[8]
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book.currency_unit = row[9]
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book.binding = row[10]
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book.isbn = row[11]
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book.author_intro = row[12]
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book.book_intro = row[13]
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book.content = row[14]
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tags = row[15]
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picture = row[16]
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for tag in tags.split("\n"):
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if tag.strip() != "":
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book.tags.append(tag)
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for i in range(0, random.randint(0, 9)):
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if picture is not None:
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encode_str = base64.b64encode(picture).decode('utf-8')
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book.pictures.append(encode_str)
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books.append(book)
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# print(tags.decode('utf-8'))
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# print(book.tags, len(book.picture))
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# print(book)
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# print(tags)
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return books
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