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6756016572
Source files to GPL3 Exceptions: -tests/spoof/* to MIT -hocrtransform.py -_unicodefun.py Test resources to CC BY-SA 4.0 except when otherwise noted. Add GPL license.
62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
#
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# This file is part of OCRmyPDF.
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#
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# OCRmyPDF is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# OCRmyPDF is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OCRmyPDF. If not, see <http://www.gnu.org/licenses/>.
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from ocrmypdf.pdfinfo import PdfInfo, PageInfo
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from ocrmypdf.pipeline import JobContext, JobContextManager
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from multiprocessing import Process
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from multiprocessing.managers import BaseProxy
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def test_jobcontext_proxy(resources):
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# Prove that managers are set up correctly to share state among processes
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manager = JobContextManager()
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manager.register('JobContext', JobContext)
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# Start the manager in a child process (or maybe thread)
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manager.start()
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# Tell the manager process to retrieve pdf info
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context = manager.JobContext()
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context.generate_pdfinfo(resources / 'graph.pdf')
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# Get a copy of that information for this process
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pdfinfo = context.get_pdfinfo()
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assert len(pdfinfo) == 1
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assert pdfinfo[0].rotation == 0
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# Update information and send back to manager
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pdfinfo[0].rotation = 90
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context.set_pdfinfo(pdfinfo)
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# Retrieve again, ensure it stayed changed
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pdfinfo2 = context.get_pdfinfo()
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assert pdfinfo2[0].rotation == 90
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# Start a new process which gets its own proxy object
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def client(context):
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assert isinstance(context, BaseProxy)
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pdfinfo = context.get_pdfinfo()
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page = pdfinfo[0]
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assert page.rotation == 90
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page.rotation += 90
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context.set_pdfinfo(pdfinfo)
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p = Process(target=client, args=(context,))
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p.start()
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p.join()
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assert p.exitcode == 0, "Child process failed"
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assert context.get_pdfinfo()[0].rotation == 180 |