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initial version

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Jack Darlington 2017-03-06 20:58:15 +00:00
parent fabfcb2036
commit 76e8117b0c
1 changed files with 34 additions and 3 deletions
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37
cps/web.py
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@ -753,6 +753,32 @@ def feed_series(id):
return response return response
def partial(total_byte_len, part_size_limit):
s = []
for p in range(0, total_byte_len, part_size_limit):
last = min(total_byte_len - 1, p + part_size_limit - 1)
s.append([p, last])
return s
def do_gdrive_download(df, headers):
total_size = int(df.metadata.get('fileSize'))
print total_size
download_url = df.metadata.get('downloadUrl')
s = partial(total_size, 1024 * 100) # I'm downloading BIG files, so 100M chunk size is fine for me
def stream():
for bytes in s:
headers = {"Range" : 'bytes=%s-%s' % (bytes[0], bytes[1])}
resp, content = df.auth.Get_Http_Object().request(download_url, headers=headers)
if resp.status == 206 :
yield content
else:
print 'An error occurred: %s' % resp
return
print str(bytes[1])+"..."
return Response(stream(), headers=headers)
@app.route("/opds/download/<book_id>/<format>/") @app.route("/opds/download/<book_id>/<format>/")
@requires_basic_auth_if_no_ano @requires_basic_auth_if_no_ano
@download_required @download_required
@ -760,17 +786,22 @@ def get_opds_download_link(book_id, format):
format = format.split(".")[0] format = format.split(".")[0]
book = db.session.query(db.Books).filter(db.Books.id == book_id).first() book = db.session.query(db.Books).filter(db.Books.id == book_id).first()
data = db.session.query(db.Data).filter(db.Data.book == book.id).filter(db.Data.format == format.upper()).first() data = db.session.query(db.Data).filter(db.Data.book == book.id).filter(db.Data.format == format.upper()).first()
print (data.name)
if current_user.is_authenticated: if current_user.is_authenticated:
helper.update_download(book_id, int(current_user.id)) helper.update_download(book_id, int(current_user.id))
file_name = book.title file_name = book.title
if len(book.authors) > 0: if len(book.authors) > 0:
file_name = book.authors[0].name + '-' + file_name file_name = book.authors[0].name + '-' + file_name
file_name = helper.get_valid_filename(file_name) file_name = helper.get_valid_filename(file_name)
headers={}
headers["Content-Disposition"] = "attachment; filename*=UTF-8''%s.%s" % (urllib.quote(file_name.encode('utf8')), format)
if config.config_use_google_drive: if config.config_use_google_drive:
df=gdriveutils.getFileFromEbooksFolder(Gdrive.Instance().drive, book.path, data.name + "." + format) df=gdriveutils.getFileFromEbooksFolder(Gdrive.Instance().drive, book.path, data.name + "." + format)
download_url = df.metadata.get('downloadUrl') #download_url = df.metadata.get('downloadUrl')
resp, content = df.auth.Get_Http_Object().request(download_url) #resp, content = df.auth.Get_Http_Object().request(download_url)
response=send_file(io.BytesIO(content)) #io.BytesIO(content)
#response=send_file(io.BytesIO(content))
return do_gdrive_download(df, headers)
else: else:
# file_name = helper.get_valid_filename(file_name) # file_name = helper.get_valid_filename(file_name)
response = make_response(send_from_directory(os.path.join(config.config_calibre_dir, book.path), data.name + "." + format)) response = make_response(send_from_directory(os.path.join(config.config_calibre_dir, book.path), data.name + "." + format))