2013-09-16 01:43:58 +00:00
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"""
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Utilities that manipulate epub files
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"""
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2020-02-13 04:22:11 +00:00
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from io import StringIO, BytesIO
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2020-02-12 16:39:47 +00:00
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from pyepub import EPUB, InvalidEpub
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2013-09-16 01:43:58 +00:00
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from django.template.loader import render_to_string
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def personalize(epub_file, acq):
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output = EPUB(epub_file, "a")
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context={'acq':acq}
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2020-02-12 16:36:49 +00:00
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part = StringIO(str(render_to_string('epub/datedcc_license.xhtml', context)))
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2013-09-16 01:43:58 +00:00
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output.addpart(part, "datedcc_license.xhtml", "application/xhtml+xml", 1) #after title, we hope
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2013-09-20 21:44:37 +00:00
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output.addmetadata('rights','%s after %s'%(acq.work.last_campaign().license_url,acq.work.last_campaign().cc_date))
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2020-02-17 21:34:02 +00:00
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personalized_epub= BytesIO()
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2014-04-30 19:17:10 +00:00
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output.writetodisk(personalized_epub)
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#logger.info("personalized")
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return personalized_epub
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2014-09-05 20:35:57 +00:00
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def ask_epub(epub_file, context):
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output = EPUB(epub_file, "a")
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2020-02-12 16:36:49 +00:00
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part = StringIO(str(render_to_string('epub/ask.xhtml', context)))
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2014-09-05 20:35:57 +00:00
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output.addpart(part, "ask.xhtml", "application/xhtml+xml", 1) #after title, we hope
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2020-02-13 04:22:11 +00:00
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asking_epub = BytesIO()
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2014-09-05 20:35:57 +00:00
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output.writetodisk(asking_epub)
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return asking_epub
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2013-11-15 04:16:55 +00:00
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def ungluify(epub_file, campaign):
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output = EPUB(epub_file, "a")
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context={'campaign':campaign}
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2020-02-12 16:36:49 +00:00
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part = StringIO(str(render_to_string('epub/cc_license.xhtml', context)))
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2013-11-15 04:16:55 +00:00
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output.addpart(part, "cc_license.xhtml", "application/xhtml+xml", 1) #after title, we hope
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output.addmetadata('rights', campaign.license_url)
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output.close()
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2014-01-15 13:32:55 +00:00
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return output
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from regluit.booxtream import BooXtream
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watermarker = BooXtream()
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def test_epub(epub_file):
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try:
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output = EPUB(epub_file, "a")
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output.close()
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#just use Booxtream to run epubcheck
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params={
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'customername': 'epubcheck',
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'languagecode':'1033',
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'expirydays': 1,
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'downloadlimit': 1,
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'exlibris':0,
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'chapterfooter': 0,
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'disclaimer':0,
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'referenceid': 'N/A',
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'kf8mobi': False,
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'epub': True,
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}
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output.filename.seek(0)
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boox = watermarker.platform(epubfile=output.filename, **params)
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return None
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except Exception as e:
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return "error:%s" % e
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