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Linux ift1.ift-informatik.de 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 |
| Current File : /var/www/wsgi/www/api/venv/lib/python3.12/site-packages/xhtml2pdf/pdf.py |
# Copyright 2010 Dirk Holtwick, holtwick.it
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations
import logging
from io import BytesIO
from pypdf import PdfReader, PdfWriter
from xhtml2pdf.files import getFile, pisaTempFile
log = logging.getLogger(__name__)
class pisaPDF:
def __init__(self, capacity=-1) -> None:
self.capacity = capacity
self.files: list[BytesIO] = []
def addFromURI(self, url, basepath=None):
obj = getFile(url, basepath)
data = obj.getFileContent()
if data:
self.files.append(BytesIO(data))
addFromFileName = addFromURI
def addFromFile(self, f):
if hasattr(f, "read"):
self.files.append(f)
else:
self.addFromURI(f)
def addFromString(self, data):
f = getFile(data.encode(), capacity=self.capacity).getFileContent()
if f:
self.files.append(f)
def addDocument(self, doc):
if hasattr(doc.dest, "read"):
self.files.append(doc.dest)
def join(self, file=None):
output = PdfWriter()
for pdffile in self.files:
pdf = PdfReader(pdffile)
for pageNumber in range(len(pdf.pages)):
output.add_page(pdf.pages[pageNumber])
if file is not None:
output.write(file)
return file
out = pisaTempFile(capacity=self.capacity)
output.write(out)
return out.getvalue()
getvalue = join
__str__ = join