97 lines
4.2 KiB
Python
97 lines
4.2 KiB
Python
from zipfile import ZipFile
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from pathlib import Path
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import os, sys, time, re, shutil, argparse
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parser = argparse.ArgumentParser("epub cooking")
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parser.add_argument("--cc", metavar="CHAPTERS_CLASS", help="The class used in chapters. (default: hlink)", type=str)
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parser.add_argument("--fc", metavar="FOOTNOTES_CLASS", help="The class used in footnotes. (default: hanging1)", type=str)
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#parser.add_argument("--test", help="Test a link or footnote against the regex. (NotImplemented)", type=bool)
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parser.add_argument("file", help="The file to be worked on.", type=str)
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args = parser.parse_args()
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file_name = args.file
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files_to_work_on = []
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files_to_zip = []
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if args.cc:
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chapter_class = args.cc
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else:
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chapter_class = "hlink" #VHS: Change hlink, this is the class found in the chapters
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if args.fc:
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footnotes_class = args.fc
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else:
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footnotes_class = "hanging1" # VHS: Change hanging1, this is the class found in the footnotes
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def progressbar(it, prefix="", size=60, out=sys.stdout): # Python3.6+
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count = len(it)
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start = time.time()
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def show(j):
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x = int(size*j/count)
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print(f"{prefix}[{u'█'*x}{('.'*(size-x))}] {j}/{count}", end='\r', file=out, flush=True)
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for i, item in enumerate(it):
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yield item
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show(i+1)
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print("\n", flush=True, file=out)
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class NoStdStreams(object):
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def __init__(self,stdout = None, stderr = None):
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self.devnull = open(os.devnull,'w')
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self._stdout = stdout or self.devnull or sys.stdout
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self._stderr = stderr or self.devnull or sys.stderr
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def __enter__(self):
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self.old_stdout, self.old_stderr = sys.stdout, sys.stderr
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self.old_stdout.flush(); self.old_stderr.flush()
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sys.stdout, sys.stderr = self._stdout, self._stderr
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def __exit__(self, exc_type, exc_value, traceback):
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self._stdout.flush(); self._stderr.flush()
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sys.stdout = self.old_stdout
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sys.stderr = self.old_stderr
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self.devnull.close()
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with ZipFile(file_name, 'r') as zip:
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for filename in zip.namelist():
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if re.search('.x?html?', filename):
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zip.extract(filename)
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files_to_work_on.append(filename)
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Path("work").mkdir(parents=True, exist_ok=True)
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Path(f"work/{files_to_work_on[2].split('/')[0]}").mkdir(parents=True, exist_ok=True)
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print(f"Cooking on {file_name}, with {len(files_to_work_on)} files in it")
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for file in files_to_work_on: #progressbar(files_to_work_on, "", 40):
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with open(file, 'r') as epub_file:
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text = epub_file.read()
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test = re.findall('id="toc"|epub:type="toc"', text)
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if test:
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continue
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matches = re.findall(f'<a (?:(?:class="{chapter_class}")|(?:href="(.*?)#(.*?)")|(?:.*?))+>', text)
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if matches:
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for match in matches:
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if match[0] != '':
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for dd in files_to_work_on:
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if re.search(f".*?{match[0]}.*?", dd):
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with open(dd, 'r') as source:
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source_match = re.search(f"<p class=\"{footnotes_class}\".*?id=\"{match[1]}\".*?</p>", source.read())
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if source_match:
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source_match_fixed = re.sub('<p(?:(.*?)?(?:id=".*?")?)><a.*?<\/a>[\.\s ]*(.*?)<\/p>', rf'<p\1 id={match[1]}>\2</p>', source_match.group())
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source_match_fixed = re.sub('<p (.*?)</p>', r'<p epub:type="footnote" \1</p>', source_match_fixed)
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fixed_text = re.sub(f"<a (?:(?:class=\"{chapter_class}\")|(?:href=\".*?#{match[1]}\")|(?:.*?))+>", f"<a epub:type=\"noteref\" class=\"{chapter_class}\" href=\"#{match[1]}\">", text)
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text = re.sub(f"\n\s*</body>", f"\n{source_match_fixed}\n</body>", fixed_text)
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with open(f"work/{file}", 'w') as output:
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output.write(text)
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files_to_zip.append(file)
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shutil.copy(file_name, "output.epub")
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with ZipFile("output.epub", 'a') as zip:
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with NoStdStreams(): # ZipFile.write will throw a warning about duplicate files, we don't care, we just want it to overwrite those already in the epub.
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for file in files_to_zip:
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zip.write(f"work/{file}", file)
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shutil.rmtree("work")
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