Function performSMILUpdates

src/Resource_Files/python3lib/xmlprocessor.py:295–323

(data, newbkpath, oldbkpath, keylist, valuelist)

# As if they were meant only for OEBPS/content.opf and OEBPS/toc.ncx
# So adjust them to be relative to the Misc directory where .smil files live in Sigil
def performSMILUpdates(data, newbkpath, oldbkpath, keylist, valuelist):
    data = _remove_xml_header(data)
    # lxml on a Mac does not seem to handle full unicode properly, so encode as utf-8
    data = data.encode('utf-8')
    # rebuild serialized lookup dictionary of xml_updates, properly adjusted
    updates = OrderedDict()
    for i in range(0, len(keylist)):
        updates[ keylist[i] ] = valuelist[i]
    xml_empty_tags = ["text", "audio"]
    xmlbuilder = LXMLTreeBuilderForXML(parser=None, empty_element_tags=xml_empty_tags)
    soup = BeautifulSoup(data, features=None, from_encoding="utf-8", builder=xmlbuilder)
    for tag in soup.find_all(["body","seq","text","audio","smil","par"]):
        for att in ["src", "epub:textref"]:
            if att in tag.attrs :
                ref = tag[att]
                if ref.find(":") == -1 :
                    parts = ref.split('#')
                    apath = urldecodepart(parts[0])
                    fragment = ""
                    if len(parts) > 1:
                        fragment = urldecodepart(parts[1])
                    oldtarget = buildBookPath(apath, startingDir(oldbkpath))
                    newtarget = updates.get(oldtarget, oldtarget)
                    attribute_value = urlencodepart(buildRelativePath(newbkpath, newtarget))
                    if fragment != "":
                        attribute_value = attribute_value + "#" + urlencodepart(fragment)
                    tag[att] = attribute_value
    newdata = soup.decodexml(indent_level=0, formatter='minimal', indent_chars="  ")
    return newdata

# Note xml_updates has urls/iris relative to the OEBPS folder as base
# As if they were meant only for OEBPS/content.opf and OEBPS/toc.ncx