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August 29, 2015 14:18
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Fb2 driver
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import xml.sax | |
import xml.sax.handler | |
import re | |
class BodyNotFound(Exception): | |
pass | |
class BookHandler(xml.sax.handler.ContentHandler): | |
def __init__(self): | |
self.inBody = False | |
self.text = None | |
def startElement(self, name, attr): | |
if name == "body": | |
if self.text == None: | |
self.text = "" | |
self.inBody = True | |
def characters(self, data): | |
if self.inBody: | |
self.text += data | |
def endElement(self, name): | |
if name == "body": | |
self.inBody = False | |
class Fb2Transformer: | |
def read(self, filename): | |
parser = xml.sax.make_parser() | |
handler = BookHandler() | |
parser.setContentHandler(handler) | |
parser.parse(filename) | |
if handler.text == None: | |
raise BodyNotFound() | |
handler.text = re.sub(r"[^a-zA-Z ]", " ", handler.text) | |
handler.text = re.sub(r"[ ]+", " ", handler.text) | |
return handler.text.lower() | |
def replace(self, filename, dictionary): | |
text = open(filename).read() | |
for word, trans in dictionary.items(): | |
nr = "(?i)"+word+"(?![^<]*>)" | |
text = re.sub(r""+nr, trans, text) | |
return text | |
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