diff --git a/src/Makefile.am b/src/Makefile.am
index dad39bc3..a2c966fe 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -581,6 +581,7 @@ filters/rcldjvu.py \
filters/rcldoc.py \
filters/rcldvi \
filters/rclepub \
+filters/rclepub1 \
filters/rclexec1.py \
filters/rclexecm.py \
filters/rclfb2 \
diff --git a/src/filters/rclepub1 b/src/filters/rclepub1
new file mode 100755
index 00000000..22922652
--- /dev/null
+++ b/src/filters/rclepub1
@@ -0,0 +1,106 @@
+#!/usr/bin/env python
+"""Extract Html content from an EPUB file (.chm), concatenating all sections"""
+from __future__ import print_function
+
+import sys
+import os
+import re
+
+import rclexecm
+
+try:
+ import epub
+except:
+ print("RECFILTERROR HELPERNOTFOUND python:epub")
+ sys.exit(1);
+
+class rclEPUB:
+ """RclExecM slave worker for extracting all text from an EPUB
+ file. This version concatenates all nodes."""
+
+ def __init__(self, em):
+ self.em = em
+ self.em.setmimetype("text/html")
+ self.currentindex = 0
+
+ def _header(self):
+ meta = self.book.opf.metadata
+ title = ""
+ for tt, lang in meta.titles:
+ title += tt + " "
+ author = ""
+ for name, role, fileas in meta.creators:
+ author += name + " "
+ data = "\n\n"
+ if title:
+ data += "" + self.em.htmlescape(title) + "\n"
+ if author:
+ data += '\n'
+ if meta.description:
+ data += '\n'
+ data += ""
+ data = data.encode('UTF-8')
+
+ return data
+
+ def extractone(self, params):
+ """Extract EPUB data as concatenated HTML"""
+
+ ok = True
+ data = self._header()
+ ids = []
+ if self.book.opf.spine:
+ for id, linear in self.book.opf.spine.itemrefs:
+ ids.append(id)
+ else:
+ for id, item in self.book.opf.manifest.items():
+ ids.append(id)
+
+ for id in ids:
+ item = self.book.get_item(id)
+ if item is None or item.media_type != 'application/xhtml+xml':
+ continue
+ doc = self.book.read_item(item)
+ doc = re.sub(b'''<\?.*\?>''', b'', doc)
+ doc = re.sub(b'''<[hH][tT][mM][lL].*<[bB][oO][dD][yY][^>]*>''',
+ b'', doc, 1, re.DOTALL)
+ doc = re.sub(b'''''', b'', doc)
+ doc = re.sub(b'''''', b'', doc)
+ data += doc
+
+ data += b''
+ if ok:
+ return (ok, data, "", rclexecm.RclExecM.eofnext)
+ else:
+ return (ok, "", "", rclexecm.RclExecM.eofnow)
+
+ def openfile(self, params):
+ """Open the EPUB file"""
+ self.currentindex = 0
+ if not "filename:" in params:
+ self.em.rclog("openfile: no file name")
+ return (ok, "", "", rclexecm.RclExecM.eofnow)
+
+ try:
+ self.book = epub.open_epub(params["filename:"].decode('UTF-8'))
+ except Exception as err:
+ self.em.rclog("openfile: epub.open failed: [%s]" % err)
+ return False
+ return True
+
+ def getipath(self, params):
+ return self.extractone(params)
+
+ def getnext(self, params):
+ if self.currentindex >= 1:
+ return (False, "", "", rclexecm.RclExecM.eofnow)
+ else:
+ ret= self.extractone(params)
+ self.currentindex += 1
+ return ret
+
+proto = rclexecm.RclExecM()
+extract = rclEPUB(proto)
+rclexecm.main(proto, extract)