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Merged
merged 6 commits into from
Nov 6, 2023
Merged

Add download task #10

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687e9c1
Create download.py
deldesir Nov 2, 2023
72125a6
Delegate files request
deldesir Nov 3, 2023
588ed7d
Handle bookshelves creation
deldesir Nov 3, 2023
fc11241
Add missing imports and variables
deldesir Nov 4, 2023
5ae344e
Update editbooks.py
deldesir Nov 4, 2023
0b07c68
Update uploader.py
deldesir Nov 4, 2023
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258 changes: 92 additions & 166 deletions cps/editbooks.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,6 @@
from datetime import datetime
import json
import sqlite3
import subprocess
from shutil import copyfile, move
from uuid import uuid4
from markupsafe import escape, Markup # dependency of flask
Expand All @@ -40,14 +39,15 @@
from flask_babel import lazy_gettext as N_
from flask_babel import get_locale
from flask_login import current_user, login_required
from sqlalchemy.exc import OperationalError, IntegrityError, InterfaceError, InvalidRequestError
from sqlalchemy.exc import OperationalError, IntegrityError, InterfaceError
from sqlalchemy.orm.exc import StaleDataError
from sqlalchemy.sql.expression import func

from . import constants, logger, isoLanguages, gdriveutils, uploader, helper, kobo_sync_status, shelf
from . import config, ub, db, calibre_db
from .services.worker import WorkerThread
from .tasks.upload import TaskUpload
from .tasks.download import TaskDownload
from .render_template import render_title_template
from .usermanagement import login_required_if_no_ano
from .kobo_sync_status import change_archived_books
Expand Down Expand Up @@ -317,172 +317,98 @@ def media():
if not config.config_uploading:
abort(404)

def get_yb_executable():
yb_executable = os.getenv("YB_EXECUTABLE", "yb")
return yb_executable

def run_subprocess(command_args):
try:
completed_process = subprocess.run(
command_args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
check=True,
text=True
)
return (True, completed_process.stdout, completed_process.stderr)

except subprocess.CalledProcessError as e:
error_message = f"Subprocess error (return code {e.returncode}): {e.stderr}, {e.stdout}"
log.error(error_message)
return False, error_message, e.stdout, e.stderr
except Exception as e:
error_message = f"An error occurred while running the subprocess: {e}"
log.error(error_message)
return False, error_message

def process_media_download(media_url):
yb_executable = get_yb_executable()

if media_url:
download_args = [
yb_executable,
media_url,
]
subprocess_result = run_subprocess(download_args)

log.info("Subprocess result: {}".format(subprocess_result))

if subprocess_result[0]:
requested_files = []
download_db_path = "/var/tmp/download.db"
conn = sqlite3.connect(download_db_path)
c = conn.cursor()
c.execute("SELECT path FROM media")
for row in c.fetchall():
requested_files.append(row[0])
# check also if there is a "playlists" table.
# if the "playlists" table exists, create the shelf_title variable to store the playlist title
c.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='playlists'")
if c.fetchone():
c.execute("SELECT title FROM playlists")
shelf_title = c.fetchone()[0]
else:
shelf_title = None
conn.close()

if shelf_title:
shelf_object = ub.Shelf()
is_public = 1
if shelf.check_shelf_is_unique(shelf_title, is_public, shelf_id=None):
shelf_object.name = shelf_title
shelf_object.is_public = is_public
shelf_object.user_id = int(current_user.id)
ub.session.add(shelf_object)
shelf_action = "created"
flash_text = _("Shelf %(title)s created", title=shelf_title)
try:
ub.session.commit()
shelf_id = shelf_object.id
log.info("Shelf {} {}".format(shelf_title, shelf_action))
flash(flash_text, category="success")
except (OperationalError, InvalidRequestError) as ex:
ub.session.rollback()
log.error_or_exception(ex)
log.error_or_exception("Settings Database error: {}".format(ex))
flash(_("Oops! Database Error: %(error)s.", error=ex.orig), category="error")
except Exception as ex:
ub.session.rollback()
log.error_or_exception(ex)
flash(_("There was an error"), category="error")

log.info("Requested files: {}".format(requested_files))
for requested_file in requested_files:
requested_file = open(requested_file, "rb")
requested_file.filename = os.path.basename(requested_file.name)
requested_file.save = lambda path: copyfile(requested_file.name, path)

log.info("Processing file: {}".format(requested_file))
try:
modify_date = False
calibre_db.update_title_sort(config)
calibre_db.session.connection().connection.connection.create_function(
"uuid4", 0, lambda: str(uuid4())
)

meta, error = file_handling_on_upload(requested_file)
if error:
return error

(
db_book,
input_authors,
title_dir,
renamed_authors,
) = create_book_on_upload(modify_date, meta)

# Comments need book id therefore only possible after flush
modify_date |= edit_book_comments(
Markup(meta.description).unescape(), db_book
)

book_id = db_book.id
title = db_book.title

error = helper.update_dir_structure(
book_id,
config.config_calibre_dir,
input_authors[0],
meta.file_path,
title_dir + meta.extension.lower(),
renamed_author=renamed_authors,
)

move_coverfile(meta, db_book)

if modify_date:
calibre_db.set_metadata_dirty(book_id)
# save data to database, reread data
calibre_db.session.commit()
# Use TaskDownload class to download media
task_message = N_("Downloading media for %(url)s", url=media_url)
# requested_files = WorkerThread.add(current_user.name, TaskDownload(task_message, media_url))Gandhi Aimable
requested_files, shelf_id = WorkerThread.add(current_user.name, TaskDownload(task_message, media_url))
log.info("Requested files: {}".format(requested_files))
for requested_file in requested_files:
requested_file = open(requested_file, "rb")
requested_file.filename = os.path.basename(requested_file.name)
requested_file.save = lambda path: copyfile(requested_file.name, path)

log.info("Processing file: {}".format(requested_file))
try:
modify_date = False
calibre_db.update_title_sort(config)
calibre_db.session.connection().connection.connection.create_function(
"uuid4", 0, lambda: str(uuid4())
)

if error:
flash(error, category="error")
link = '<a href="{}">{}</a>'.format(
url_for("web.show_book", book_id=book_id), escape(title)
)
upload_text = N_("File %(file)s uploaded", file=link)
WorkerThread.add(
current_user.name, TaskUpload(upload_text, escape(title))
)
helper.add_book_to_thumbnail_cache(book_id)

if shelf_title:
shelf.add_to_shelf.__closure__[0].cell_contents(
shelf_id, book_id
)

if len(requested_files) < 2:
if current_user.role_edit() or current_user.role_admin():
resp = {
"location": url_for(
"edit-book.show_edit_book", book_id=book_id
)
}
return Response(json.dumps(resp), mimetype="application/json")
else:
resp = {"location": url_for("web.show_book", book_id=book_id)}
return Response(json.dumps(resp), mimetype="application/json")

except (OperationalError, IntegrityError, StaleDataError) as e:
calibre_db.session.rollback()
log.error_or_exception("Database error: {}".format(e))
flash(
_(
"Oops! Database Error: %(error)s.",
error=e.orig if hasattr(e, "orig") else e,
),
category="error",
)
meta, error = file_handling_on_upload(requested_file)
if error:
return error

(
db_book,
input_authors,
title_dir,
renamed_authors,
) = create_book_on_upload(modify_date, meta)

# Comments need book id therefore only possible after flush
modify_date |= edit_book_comments(
Markup(meta.description).unescape(), db_book
)

book_id = db_book.id
title = db_book.title

error = helper.update_dir_structure(
book_id,
config.config_calibre_dir,
input_authors[0],
meta.file_path,
title_dir + meta.extension.lower(),
renamed_author=renamed_authors,
)

move_coverfile(meta, db_book)

if modify_date:
calibre_db.set_metadata_dirty(book_id)
# save data to database, reread data
calibre_db.session.commit()

if error:
flash(error, category="error")
link = '<a href="{}">{}</a>'.format(
url_for("web.show_book", book_id=book_id), escape(title)
)
upload_text = N_("File %(file)s uploaded", file=link)
WorkerThread.add(
current_user.name, TaskUpload(upload_text, escape(title))
)
helper.add_book_to_thumbnail_cache(book_id)

if shelf_id:
shelf.add_to_shelf.__closure__[0].cell_contents(
shelf_id, book_id
)

if len(requested_files) < 2:
if current_user.role_edit() or current_user.role_admin():
resp = {
"location": url_for(
"edit-book.show_edit_book", book_id=book_id
)
}
return Response(json.dumps(resp), mimetype="application/json")
else:
resp = {"location": url_for("web.show_book", book_id=book_id)}
return Response(json.dumps(resp), mimetype="application/json")

except (OperationalError, IntegrityError, StaleDataError) as e:
calibre_db.session.rollback()
log.error_or_exception("Database error: {}".format(e))
flash(
_(
"Oops! Database Error: %(error)s.",
error=e.orig if hasattr(e, "orig") else e,
),
category="error",
)
else:
flash("Error: 'lb' executable not found in PATH", category="error")
return False
Expand Down
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