Converted to ORM based on sqlalchemy

This commit is contained in:
th3r00t
2022-11-13 00:55:50 -05:00
parent d2dff3833a
commit fdf7a94061
8 changed files with 253 additions and 203 deletions

View File

@@ -16,7 +16,10 @@ class Config:
self.root = root
env = os.environ.copy()
self._fp = "config.json"
self._cp = pathlib.Path.joinpath(root, self._fp)
try:
self._cp = pathlib.Path.joinpath(root, self._fp)
except AttributeError:
self._cp = pathlib.Path(root, self._fp)
self._data = self.open_file()
try:
self.logger

View File

@@ -294,14 +294,15 @@ class Catalogue:
"""
db = Storage(self.config)
stored = db.book_paths_list()
db.close()
if not stored:
stored = []
if self.books is None:
self.filter_books()
on_disk, in_storage = [], []
for _x in self.books:
on_disk.append(_x)
for _y in stored:
in_storage.append(_y[0])
in_storage.append(_y)
a, b, = set(on_disk), set(in_storage)
c = set.difference(a, b)
return c
@@ -327,8 +328,3 @@ class Catalogue:
continue
_socket.close()
db.insert_book(book)
inserted = db.commit()
if inserted is not True:
self.config.logger.error("Failed storing {} in database".format(str(book)))
pass
db.close()

View File

@@ -1,7 +1,8 @@
#!/usr/bin/python
import datetime
import re
from sqlalchemy import create_engine, text
from .models import Book, Collection
from sqlalchemy import create_engine, text, select
from sqlalchemy.orm import Session
@@ -9,149 +10,92 @@ class Storage:
"""Contains all methods for system storage"""
def __init__(self, config):
self.sql = config["DATABASE"]
self.user = config["USER"]
self.password = config["PASSWORD"]
self.db_host = config["DB_HOST"]
self.db_port = config["DB_PORT"]
self.db = create_engine(f"postgresql://{self.user}:{self.password}@{self.db_host}:{self.db_port}/{self.sql}")
self.sql = config.catalogue_db
self.user = config.user
self.password = config.password
self.db_host = config.db_host
self.db_port = config.db_port
self.engine = create_engine(f"postgresql://{self.user}:{self.password}@{self.db_host}:{self.db_port}/{self.sql}")
self.config = config
def check_ownership(self, table=None):
if table is None:
table = "books"
_q = "SELECT * FROM books"
try:
self.transact(_q)
except Exception as e:
if e.pgcode == "42501":
_q = """ALTER TABLE public.books OWNER to pyshelf;"""
try:
self.transact(_q)
except Exception as e:
self.config.logger.error(e)
def transact(self, query):
try:
with Session(self.db.connect()) as _sess:
try:
_sess.execute(text(query))
_sess.commit()
except Exception:
# TODO: Raise Exception
pass
_sess.close()
return True
except Exception:
return False
def create_tables(self):
"""Create table structure"""
tables = [
"CREATE TABLE books(title text, author text, categories text null,\
cover bytea null, pages int null, progress int null,\
file_name text, book_id int NOT NULL UNIQUE PRIMARY KEY)",
"CREATE TABLE collections(collection text, book_id int,\
CONSTRAINT book_id FOREIGN KEY(book_id) REFERENCES books(book_id),\
collection_id int NOT NULL UNIQUE PRIMARY KEY)"
]
tables = [Book, Collection]
for table in tables:
self.transact(table)
table.metadata.create_all(self.engine)
def insert_book(self, book):
"""
Insert book in database
:returns: True if succeeds False if not
"""
q = "INSERT INTO books (title, author, cover, progress, file_name,\
pages, description, identifier, publisher,\
date, rights, tags) values (%s, %s, %s, 0, %s,\
0, %s, %s, %s, %s,\
%s, %s);"
try:
with Session(self.engine) as session:
try:
cover_image = book[2].data
except Exception:
cover_image = book[2]
if not book[2]: # If cover image is missing unset entry
cover_image = None
_query = text(q, (
book[0], # title
book[1], # author
cover_image,
book[3], # file
book[4], # descr
book[5], # ident
book[6], # publisher
datetime.datetime.now(),
book[8], # rights
book[9], # tags
))
self.transact(_query)
self.config.logger.info(book[0][0:80])
return True
except Exception as e:
# TODO: Handle Invalid Date Exception here
breakpoint()
if e.pgcode == '22007': # psycopg2's error code for invalid date
print(e)
# book[7] = psycopg2.Date(int(book[7]), 1, 1)
# self.insert_book(book)
raise e
try:
cover_image = book[2].data
except Exception:
cover_image = book[2]
if not book[2]: # If cover image is missing unset entry
cover_image = None
if not book[1]:
author = "None"
_book = Book(
title=book[0],
author=book[1],
cover=cover_image,
file_name=book[3],
description=book[4],
identifier=book[5],
publisher=book[6],
rights=book[8],
tags=book[9]
)
session.add(_book)
session.commit()
session.close()
self.config.logger.info(book[0][0:80])
return True
except Exception as e:
self.config.logger.error(f"{book[0][0:80]} :: {e}")
def book_paths_list(self):
"""
Get file paths from database for comparison to system files
"""
q = "SELECT file_name FROM books;"
self.cursor.execute(q)
try:
# TODO: Get all rows
x = self.cursor.fetchall()
except Exception as e:
self.config.logger.error(e)
x = []
return x
session = Session(self.engine)
_result = session.scalars(select(Book.file_name)).fetchall()
session.close()
return _result
def make_collections(self):
# TODO: Check this still works with the switch to sqlalchemy
_title_regx = re.compile(r"^[0-9][0-9]*|-|\ \B")
_q = "SELECT id,file_name FROM books"
self.cursor.execute(_q)
# TODO: Get all rows
_set = self.cursor.fetchall()
for book in _set:
path = self.config.book_path + "/"
_collections = []
_pathing = book[1].split(path)[1].split("/")
try:
_pathing.pop(0)
_pathing.pop(-1)
except IndexError:
continue
for _p in _pathing:
_s = _p.replace("'", "")
_x = re.sub(_title_regx, "", _s)
_s = _x.strip()
_q_x = """
SELECT id FROM collections where collection='%s'\
AND book_id_id=%s
""" % (
_s,
book[0],
)
session = Session(self.engine)
_set = session.execute(select(Book.book_id, Book.file_name)).all()
if _set.__len__() > 0:
for book in _set:
path = self.config.book_path + "/"
_collections = []
_pathing = book[1].split(path)[1].split("/")
try:
self.cursor.execute(_q_x)
# TODO: Get all rows
if len(self.cursor.fetchall()) < 1:
self.cursor.execute("""INSERT INTO collections\
(collection, book_id_id) VALUES ('%s',%s)""" %
(_s, book[0]))
self.config.logger.info(
"Collection {} Added".format(_s))
except Exception as e:
self.config.logger.error(e)
_collections.append(_p)
self.db.commit()
self.close()
_pathing.pop(0)
_pathing.pop(-1)
except IndexError:
continue
for _p in _pathing:
_s = _p.replace("'", "")
_x = re.sub(_title_regx, "", _s)
_s = _x.strip()
_sess = Session(self.engine)
_q = _sess.execute(select(Collection.collection_id).where(Collection.collection == _s, Collection.book_id == book.book_id))
_sess.close()
if _q.fetchone() is None:
_collection = Collection(collection=_s, book_id=book.book_id)
with Session(self.engine) as _sess:
try:
_sess.add(_collection)
_sess.commit()
_sess.close()
self.config.logger.info(f"Collection {_s} added.")
except Exception as e:
self.config.logger.error(f"Collection {_s} failed: {e}")
_collections.append(_p)