Refactored get_temp_dir

bugfixes export_metadata

cps/file_helper.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+
+#  This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
+#    Copyright (C) 2023 OzzieIsaacs
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from tempfile import gettempdir
+import os
+
+def get_temp_dir():
+    tmp_dir = os.path.join(gettempdir(), 'calibre_web')
+    if not os.path.isdir(tmp_dir):
+        os.mkdir(tmp_dir)
+    return tmp_dir

cps/gdrive.py

@@ -23,7 +23,6 @@
 import os
 import hashlib
 import json
-import tempfile
 from uuid import uuid4
 from time import time
 from shutil import move, copyfile
@@ -34,6 +33,7 @@ from flask_login import login_required
 
 from . import logger, gdriveutils, config, ub, calibre_db, csrf
 from .admin import admin_required
+from .file_helper import get_temp_dir
 
 gdrive = Blueprint('gdrive', __name__, url_prefix='/gdrive')
 log = logger.create()
@@ -139,9 +139,7 @@ try:
                 dbpath = os.path.join(config.config_calibre_dir, "metadata.db").encode()
                 if not response['deleted'] and response['file']['title'] == 'metadata.db' \
                     and response['file']['md5Checksum'] != hashlib.md5(dbpath):  # nosec
-                    tmp_dir = os.path.join(tempfile.gettempdir(), 'calibre_web')
-                    if not os.path.isdir(tmp_dir):
-                        os.mkdir(tmp_dir)
+                    tmp_dir = get_temp_dir()
 
                     log.info('Database file updated')
                     copyfile(dbpath, os.path.join(tmp_dir, "metadata.db_" + str(current_milli_time())))

cps/gdriveutils.py

@@ -34,7 +34,6 @@ except ImportError:
     from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.exc import OperationalError, InvalidRequestError, IntegrityError
 from sqlalchemy.orm.exc import StaleDataError
-from sqlalchemy.sql.expression import text
 
 try:
     from httplib2 import __version__ as httplib2_version

cps/helper.py

@@ -25,9 +25,9 @@ import re
 import shutil
 import socket
 from datetime import datetime, timedelta
-from tempfile import gettempdir
 import requests
 import unidecode
+from uuid import uuid4
 
 from flask import send_from_directory, make_response, redirect, abort, url_for
 from flask_babel import gettext as _
@@ -60,6 +60,7 @@ from .services.worker import WorkerThread
 from .tasks.mail import TaskEmail
 from .tasks.thumbnail import TaskClearCoverThumbnailCache, TaskGenerateCoverThumbnails
 from .tasks.metadata_backup import TaskBackupMetadata
+from .file_helper import get_temp_dir
 
 log = logger.create()
 
@@ -921,10 +922,7 @@ def save_cover(img, book_path):
             return False, _("Only jpg/jpeg files are supported as coverfile")
 
     if config.config_use_google_drive:
-        tmp_dir = os.path.join(gettempdir(), 'calibre_web')
-
-        if not os.path.isdir(tmp_dir):
-            os.mkdir(tmp_dir)
+        tmp_dir = get_temp_dir()
         ret, message = save_cover_from_filestorage(tmp_dir, "uploaded_cover.jpg", img)
         if ret is True:
             gd.uploadFileToEbooksFolder(os.path.join(book_path, 'cover.jpg').replace("\\", "/"),
@@ -944,7 +942,13 @@ def do_download_file(book, book_format, client, data, headers):
         df = gd.getFileFromEbooksFolder(book.path, book_name + "." + book_format)
         # log.debug('%s', time.time() - startTime)
         if df:
-            return gd.do_gdrive_download(df, headers)
+            # ToDo check:!!!!!!!!
+            if config.config_binariesdir:
+                output = os.path.join(config.config_calibre_dir, book.path, data.name)
+                gd.ownloadFile(book.path, book_name + "." + book_format, output)
+                filename, download_name = do_calibre_export(book, book_format)
+            else:
+                return gd.do_gdrive_download(df, headers)
         else:
             abort(404)
     else:
@@ -957,34 +961,33 @@ def do_download_file(book, book_format, client, data, headers):
             headers["Content-Disposition"] = headers["Content-Disposition"].replace(".kepub", ".kepub.epub")
 
         if config.config_binariesdir:
-            filename, book_name = do_calibre_export(book, book_format)
+            filename, download_name = do_calibre_export(book, book_format)
+        else:
+            download_name = book_name
+
+    response = make_response(send_from_directory(filename, download_name + "." + book_format))
+    # ToDo Check headers parameter
+    for element in headers:
+        response.headers[element[0]] = element[1]
+    log.info('Downloading file: {}'.format(os.path.join(filename, book_name + "." + book_format)))
+    return response
 
-        response = make_response(send_from_directory(filename, book_name + "." + book_format))
-        # ToDo Check headers parameter
-        for element in headers:
-            response.headers[element[0]] = element[1]
-        log.info('Downloading file: {}'.format(os.path.join(filename, book_name + "." + book_format)))
-        return response
 
 
 def do_calibre_export(book, book_format):
     try:
         quotes = [3, 5, 7, 9]
-        tmp_dir = os.path.join(gettempdir(), 'calibre_web')
-        if not os.path.isdir(tmp_dir):
-            os.mkdir(tmp_dir)
+        tmp_dir = get_temp_dir()
         calibredb_binarypath = get_calibre_binarypath("calibredb")
-        opf_command = [calibredb_binarypath, 'export', '--dont-write-opf', str(book.id), 
-                    '--with-library', config.config_calibre_dir, '--to-dir', tmp_dir,
-                    '--formats', book_format, "--template", "{} - {{authors}}".format(book.title)]
-        file_name = book.title
-        if len(book.authors) > 0:
-            file_name = file_name + ' - ' + book.authors[0].name
+        temp_file_name = str(uuid4())
+        opf_command = [calibredb_binarypath, 'export', '--dont-write-opf', '--with-library', config.config_calibre_dir,
+                       '--to-dir', tmp_dir, '--formats', book_format, "--template", "{}".format(temp_file_name),
+                       str(book.id)]
         p = process_open(opf_command, quotes)
         _, err = p.communicate()
         if err:
             log.error('Metadata embedder encountered an error: %s', err)
-        return tmp_dir, file_name
+        return tmp_dir, temp_file_name
     except OSError as ex:
         # ToDo real error handling
         log.error_or_exception(ex)

cps/tasks/convert.py

@@ -21,7 +21,6 @@ import re
 from glob import glob
 from shutil import copyfile, copyfileobj
 from markupsafe import escape
-from tempfile import gettempdir
 from time import time
 
 from sqlalchemy.exc import SQLAlchemyError
@@ -34,6 +33,7 @@ from cps.subproc_wrapper import process_open
 from flask_babel import gettext as _
 from cps.kobo_sync_status import remove_synced_book
 from cps.ub import init_db_thread
+from cps.file_helper import get_temp_dir
 
 from cps.tasks.mail import TaskEmail
 from cps import gdriveutils
@@ -243,9 +243,10 @@ class TaskConvert(CalibreTask):
             # separate handling for windows and linux
 
             quotes = [3, 5]
-            tmp_dir = os.path.join(gettempdir(), 'calibre_web')
-            if not os.path.isdir(tmp_dir):
-                os.mkdir(tmp_dir)
+            tmp_dir = get_temp_dir()
+            #tmp_dir = os.path.join(gettempdir(), 'calibre_web')
+            #if not os.path.isdir(tmp_dir):
+            #    os.mkdir(tmp_dir)
             calibredb_binarypath = os.path.join(config.config_binariesdir, SUPPORTED_CALIBRE_BINARIES["calibredb"])
             opf_command = [calibredb_binarypath, 'show_metadata', '--as-opf', str(book_id), '--with-library', config.config_calibre_dir]
             p = process_open(opf_command, quotes)

cps/updater.py

@@ -25,13 +25,13 @@ import threading
 import time
 import zipfile
 from io import BytesIO
-from tempfile import gettempdir
-
 import requests
+
 from flask_babel import format_datetime
 from flask_babel import gettext as _
 
 from . import constants, logger  #  config, web_server
+from .file_helper import gettempdir
 
 
 log = logger.create()
@@ -85,7 +85,7 @@ class Updater(threading.Thread):
             z = zipfile.ZipFile(BytesIO(r.content))
             self.status = 3
             log.debug('Extracting zipfile')
-            tmp_dir = gettempdir()
+            tmp_dir = get_temp_dir()
             z.extractall(tmp_dir)
             folder_name = os.path.join(tmp_dir, z.namelist()[0])[:-1]
             if not os.path.isdir(folder_name):

cps/uploader.py

@@ -18,12 +18,12 @@
 
 import os
 import hashlib
-from tempfile import gettempdir
 from flask_babel import gettext as _
 
 from . import logger, comic, isoLanguages
 from .constants import BookMeta
 from .helper import split_authors
+from .file_helper import get_temp_dir
 
 log = logger.create()
 
@@ -249,10 +249,7 @@ def get_magick_version():
 
 
 def upload(uploadfile, rar_excecutable):
-    tmp_dir = os.path.join(gettempdir(), 'calibre_web')
-
-    if not os.path.isdir(tmp_dir):
-        os.mkdir(tmp_dir)
+    tmp_dir = get_temp_dir()
 
     filename = uploadfile.filename
     filename_root, file_extension = os.path.splitext(filename)