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112 lines
3.9 KiB
Python
112 lines
3.9 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import zipfile
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from lxml import etree
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import sys
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import os
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from operator import itemgetter
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from re import split
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import multiprocessing, subprocess
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tempdir="/dev/shm"
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cwd=os.getcwd()
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ns = {
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'n':'urn:oasis:names:tc:opendocument:xmlns:container',
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'pkg':'http://www.idpf.org/2007/opf',
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'dc':'http://purl.org/dc/elements/1.1/',
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'ncx':'http://www.daisy.org/z3986/2005/ncx/',
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'xhtml':'http://www.w3.org/1999/xhtml'
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}
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if len(sys.argv) not in [2,3]:
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print "usage: %d epub [number]"
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exit(1)
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fzip = zipfile.ZipFile(sys.argv[1])
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txt = fzip.read('META-INF/container.xml')
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tree = etree.fromstring(txt)
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cfname = tree.xpath('n:rootfiles/n:rootfile/@full-path',namespaces=ns)[0]
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pdir = os.path.dirname(cfname)
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cf = fzip.read(cfname)
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tree = etree.fromstring(cf)
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ncxname = tree.xpath('/pkg:package/pkg:manifest/pkg:item[@id="ncx"]/@href',namespaces=ns)[0]
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ncx = fzip.read(os.path.join(pdir, ncxname))
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tree = etree.fromstring(ncx)
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if len(sys.argv) == 2:
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navpoints = tree.xpath('/ncx:ncx/ncx:navMap/ncx:navPoint',namespaces=ns)
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else:
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# the following xpath expression finds the subtree for the book we want to print
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navpoints = tree.xpath("/ncx:ncx/ncx:navMap/ncx:navPoint[starts-with(ncx:navLabel/ncx:text, 'Nr. %s')]/ncx:navPoint"%sys.argv[2],namespaces=ns)
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title = tree.xpath("/ncx:ncx/ncx:navMap/ncx:navPoint/ncx:navLabel/ncx:text[starts-with(., 'Nr. %s')]/text()"%sys.argv[2], namespaces=ns)[0]
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dnavpoint = list()
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for navpoint in navpoints:
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r = lambda expr: navpoint.xpath(expr, namespaces=ns)[0]
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label = r('ncx:navLabel/ncx:text/text()')
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if label not in ['Cover', 'PERRY RHODAN - die Serie', 'Impressum']:
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order = int(r('@playOrder'))
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content = r('ncx:content/@src')
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dnavpoint.append((order, content))
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# to be able to work offline, this needs the w3c-sgml-lib package
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parser = etree.XMLParser(load_dtd=True)
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i = 0
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tasks = []
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for _, pagename in sorted(dnavpoint, key=itemgetter(0)):
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page = fzip.read(os.path.join(pdir, pagename))
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tree = etree.fromstring(page, parser)
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paragraphs = tree.xpath('/xhtml:html/xhtml:body/xhtml:p', namespaces=ns)
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for p in paragraphs:
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p = split(r"(\xbb.+?\xab)", p.xpath('string()'))
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for s in p:
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s = s.strip(', .')
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if s == '':
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continue
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if s == u'\xa0':
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tasks.append(["ln", "-s", "%s/silence.wav"%cwd, "%s/%04d.wav"%(tempdir,i)])
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i+=1
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continue
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if s.startswith(u'\xbb') and s.endswith(u'\xab'):
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tasks.append(["wine", "sapi2wav.exe", "%s/%04d.wav"%(tempdir, i), "3", "-t", s])
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else:
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tasks.append(["wine", "sapi2wav.exe", "%s/%04d.wav"%(tempdir, i), "2", "-t", s])
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i+=1
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tasks.append(["ln", "-s", "%s/silence.wav"%cwd, "%s/%04d.wav"%(tempdir,i)])
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i+=1
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tasks.append(["ln", "-s", "%s/silence.wav"%cwd, "%s/%04d.wav"%(tempdir,i)])
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i+=1
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wavs = ["%s/%04d.wav"%(tempdir,j) for j in range(i)]
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for wav in wavs:
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if os.path.exists(wav):
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os.unlink(wav)
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def worker(cmd):
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with open(os.devnull, "w") as fnull:
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subprocess.call(cmd, shell=False, stdout = fnull, stderr = fnull)
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cpucount = multiprocessing.cpu_count()
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cpucount = 1
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pool = multiprocessing.Pool(processes=cpucount)
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num_tasks = float(len(tasks))
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for i,_ in enumerate(pool.imap_unordered(worker, tasks)):
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sys.stdout.write("%f\r"%(100*i/num_tasks))
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sys.stdout.flush()
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p1 = subprocess.Popen(["./concatenate_wav"]+wavs, stdout=subprocess.PIPE)
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p2 = subprocess.Popen(["./stride"], stdin=p1.stdout, stdout=subprocess.PIPE)
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p3 = subprocess.Popen(["sox", "--show-progress", "--type", "raw", "--rate", "22050", "--encoding", "signed-integer", "--bits", "16", "--channels", "1", "-", "--rate", "22050", "--comment", "", "--compression", "0", "%s.ogg"%title, "tempo", "-s", "2.0"], stdin=p2.stdout, stdout=None)
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p1.stdout.close()
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p2.stdout.close()
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p3.wait()
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for wav in wavs:
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os.unlink(wav)
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