#!/usr/bin/python3 # -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*- # # This file is part of the LibreOffice project. # # This Source Code Form is subject to the terms of the Mozilla Public # License, v. 2.0. If a copy of the MPL was not distributed with this # file, You can obtain one at http://mozilla.org/MPL/2.0/. # import sys # sadly need lxml because the python one doesn't preserve namespace prefixes # and type-detection looks for the string "office:document" from lxml import etree as ET #import xml.etree.ElementTree as ET def get_used_p_styles(root): elementnames = [ ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}p", ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}h", ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}alphabetical-index-entry-template", ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}bibliography-entry-template", ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}illustration-index-entry-template", ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-source-style", ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}object-index-entry-template", ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}table-index-entry-template", ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}table-of-content-entry-template", ".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}user-index-entry-template", ] # document content ps = sum([root.findall(e) for e in elementnames], []) usedpstyles = set() usedcondstyles = set() for p in ps: usedpstyles.add(p.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}style-name")) if p.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}cond-style-name"): usedcondstyles.add(p.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}cond-style-name")) if p.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}class-names"): for style in p.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}class-names").split(" "): usedpstyles.add(style) for shape in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}text-style-name]"): usedpstyles.add(shape.get("{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}text-style-name")) for tabletemplate in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:table:1.0}paragraph-style-name]"): usedpstyles.add(tabletemplate.get("{urn:oasis:names:tc:opendocument:xmlns:table:1.0}paragraph-style-name")) for page in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}register-truth-ref-style-name]"): usedpstyles.add(page.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}register-truth-ref-style-name")) for form in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:form:1.0}text-style-name]"): usedpstyles.add(form.get("{urn:oasis:names:tc:opendocument:xmlns:form:1.0}text-style-name")) # conditional styles for condstyle in usedcondstyles: for map_ in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='paragraph'][@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name='" + condstyle + "']/{urn:oasis:names:tc:opendocument:xmlns:style:1.0}map"): usedpstyles.add(map_.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}apply-style-name")) # other styles for notesconfig in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:text:1.0}default-style-name]"): usedpstyles.add(notesconfig.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}default-style-name")) return usedpstyles def add_parent_styles(usedstyles, styles): size = -1 while size != len(usedstyles): size = len(usedstyles) for style in styles: if style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name") in usedstyles: if style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}parent-style-name"): usedstyles.add(style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}parent-style-name")) # only for paragraph styles and master-pages if style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}next-style-name"): usedstyles.add(style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}next-style-name")) def remove_unused_styles(root, usedstyles, styles, name): for style in styles: print(style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name")) if style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name") not in usedstyles: print("removing unused " + name + " " + style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name")) # it is really dumb that there is no parent pointer in dom try: root.find(".//{urn:oasis:names:tc:opendocument:xmlns:office:1.0}automatic-styles").remove(style) except ValueError: root.find(".//{urn:oasis:names:tc:opendocument:xmlns:office:1.0}styles").remove(style) def remove_unused_drawings(root, useddrawings, drawings, name): for drawing in drawings: print(drawing.get("{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}name")) if drawing.get("{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}name") not in useddrawings: print("removing unused " + name + " " + drawing.get("{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}name")) root.find(".//{urn:oasis:names:tc:opendocument:xmlns:office:1.0}styles").remove(drawing) def collect_all_attribute(usedstyles, attribute): for element in root.findall(".//*[@" + attribute + "]"): usedstyles.add(element.get(attribute)) def collect_all_attribute_list(usedstyles, attribute): for element in root.findall(".//*[@" + attribute + "]"): for style in element.get(attribute).split(" "): usedstyles.add(style) def remove_unused(root): # 1) find all elements that may reference page styles - this gets rid of some paragraphs usedpstyles = get_used_p_styles(root) print(usedpstyles) usedtstyles = set() tables = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:table:1.0}table") print(tables) for table in tables: usedtstyles.add(table.get("{urn:oasis:names:tc:opendocument:xmlns:table:1.0}style-name")) pstyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='paragraph']") tstyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='table']") usedmasterpages = {"Standard"} # assume this is the default on page 1 # only automatic styles may have page breaks in LO, so no need to chase parents or nexts for pstyle in pstyles: print(pstyle.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name")) if pstyle.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name") in usedpstyles: usedmasterpages.add(pstyle.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}master-page-name")) for tstyle in tstyles: if tstyle.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name") in usedtstyles: usedmasterpages.add(tstyle.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}master-page-name")) for node in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:text:1.0}master-page-name]"): usedmasterpages.add(node.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}master-page-name")) for node in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}master-page-name]"): usedmasterpages.add(node.get("{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}master-page-name")) print(usedmasterpages) # iterate parent/next until no more masterpage is added size = -1 while size != len(usedmasterpages): size = len(usedmasterpages) for mp in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}master-page"): if mp.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name") in usedmasterpages: if mp.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}parent-style-name"): usedmasterpages.add(mp.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}parent-style-name")) if mp.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}next-style-name"): usedmasterpages.add(mp.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}next-style-name")) # remove unused masterpages for mp in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}master-page"): if mp.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name") not in usedmasterpages: print("removing unused master page " + mp.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name")) # there is no way to get the parent element??? root.find(".//{urn:oasis:names:tc:opendocument:xmlns:office:1.0}master-styles").remove(mp) # 2) remove unused paragraph styles usedpstyles = get_used_p_styles(root) add_parent_styles(usedpstyles, pstyles) remove_unused_styles(root, usedpstyles, pstyles, "paragraph style") # 3) unused list styles - keep referenced from still used paragraph styles usedliststyles = set() for style in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}list-style-name]"): usedliststyles.add(style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}list-style-name")) for list_ in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}list[@{urn:oasis:names:tc:opendocument:xmlns:text:1.0}style-name]"): usedliststyles.add(list_.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}style-name")) for listitem in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}list-item[@{urn:oasis:names:tc:opendocument:xmlns:text:1.0}style-override]"): usedliststyles.add(listitem.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}style-override")) for numpara in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}numbered-paragraph[@{urn:oasis:names:tc:opendocument:xmlns:text:1.0}style-name]"): usedliststyles.add(list_.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}style-name")) # ignore ones that are children of style:graphic-properties, those must be handled as the containing style # there is no inheritance for these liststyles = root.findall("./*/{urn:oasis:names:tc:opendocument:xmlns:text:1.0}list-style") remove_unused_styles(root, usedliststyles, liststyles, "list style") # 4) unused text styles usedtextstyles = set() usedsectionstyles = set() usedrubystyles = set() sections = { "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}alphabetical-index", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}bibliography", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}illustration-index", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-title", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}object-index", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}section", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}table-of-content", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}table-index", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}user-index", } texts = { "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}a", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-entry-bibliography", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-entry-chapter", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-entry-link-end", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-entry-link-start", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-entry-page-number", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-entry-span", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-entry-tab-stop", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-entry-text", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}index-title-template", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}linenumbering-configuration", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}list-level-style-number", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}list-level-style-bullet", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}outline-level-style", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}ruby-text", "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}span", } for element in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:text:1.0}style-name]"): style = element.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}style-name") if element.tag == "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}ruby": usedrubystyles.add(style) elif element.tag in sections: usedsectionstyles.add(style) elif element.tag in texts: usedtextstyles.add(style) collect_all_attribute(usedtextstyles, "{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style-name") collect_all_attribute(usedtextstyles, "{urn:oasis:names:tc:opendocument:xmlns:style:1.0}leader-text-style") collect_all_attribute(usedtextstyles, "{urn:oasis:names:tc:opendocument:xmlns:style:1.0}text-line-through-text-style") collect_all_attribute(usedtextstyles, "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}visited-style-name") collect_all_attribute(usedtextstyles, "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}main-entry-style-name") collect_all_attribute(usedtextstyles, "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}citation-style-name") collect_all_attribute(usedtextstyles, "{urn:oasis:names:tc:opendocument:xmlns:text:1.0}citation-body-style-name") for span in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}span[@{urn:oasis:names:tc:opendocument:xmlns:text:1.0}class-names]"): for style in span.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}class-names").split(" "): usedtextstyles.add(style) textstyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='text']") add_parent_styles(usedtextstyles, textstyles) remove_unused_styles(root, usedtextstyles, textstyles, "text style") # 5) unused ruby styles - can't have parents? rubystyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='ruby']") remove_unused_styles(root, usedrubystyles, rubystyles, "ruby style") # 6) unused section styles - can't have parents? sectionstyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='section']") remove_unused_styles(root, usedsectionstyles, sectionstyles, "section style") # 7) presentation styles usedpresentationstyles = set() collect_all_attribute(usedpresentationstyles, "{urn:oasis:names:tc:opendocument:xmlns:presentation:1.0}style-name") collect_all_attribute_list(usedpresentationstyles, "{urn:oasis:names:tc:opendocument:xmlns:presentation:1.0}class-names") presentationstyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='presentation']") add_parent_styles(usedpresentationstyles, presentationstyles) remove_unused_styles(root, usedpresentationstyles, presentationstyles, "presentation style") # 8) graphic styles pages = { "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}page", "{urn:oasis:names:tc:opendocument:xmlns:presentation:1.0}notes", "{urn:oasis:names:tc:opendocument:xmlns:style:1.0}handout-master", "{urn:oasis:names:tc:opendocument:xmlns:style:1.0}master-page", } usedgraphicstyles = set() useddrawingpagestyles = set() for element in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}style-name]"): style = element.get("{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}style-name") if element.tag in pages: useddrawingpagestyles.add(style) else: usedgraphicstyles.add(style) collect_all_attribute_list(usedgraphicstyles, "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}class-names") graphicstyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='graphic']") add_parent_styles(usedgraphicstyles, graphicstyles) remove_unused_styles(root, usedgraphicstyles, graphicstyles, "graphic style") # 9) drawing-page styles drawingpagestyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='drawing-page']") add_parent_styles(useddrawingpagestyles, drawingpagestyles) remove_unused_styles(root, useddrawingpagestyles, drawingpagestyles, "drawing-page style") # 10) page layouts usedpagelayouts = set() collect_all_attribute(usedpagelayouts, "{urn:oasis:names:tc:opendocument:xmlns:style:1.0}page-layout-name") pagelayouts = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}page-layout") remove_unused_styles(root, usedpagelayouts, pagelayouts, "page layout") # 11) presentation page layouts usedpresentationpagelayouts = set() collect_all_attribute(usedpresentationpagelayouts, "{urn:oasis:names:tc:opendocument:xmlns:presentation:1.0}presentation-page-layout-name") presentationpagelayouts = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}presentation-page-layout") remove_unused_styles(root, usedpresentationpagelayouts, presentationpagelayouts, "presentation page layout") # 12) table (column/row/cell) styles usedtablestyles = set() usedtablecolumnstyles = set() usedtablerowstyles = set() usedtablecellstyles = set() tables = { "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}table", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}table:background", } tablecells = { "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}covered-table-cell", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}table-cell", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}body", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}even-columns", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}even-rows", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}first-column", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}first-row", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}last-column", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}last-row", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}odd-columns", "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}odd-rows", } for element in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:table:1.0}style-name]"): style = element.get("{urn:oasis:names:tc:opendocument:xmlns:table:1.0}style-name") if element.tag == "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}table-column": usedtablecolumnstyles.add(style) elif element.tag == "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}table-row": usedtablerowstyles.add(style) elif element.tag in tables: usedtablestyles.add(style) elif element.tag in tablecells: usedtablecellstyles.add(style) for element in root.findall(".//*[@{urn:oasis:names:tc:opendocument:xmlns:database:1.0}style-name]"): style = element.get("{urn:oasis:names:tc:opendocument:xmlns:database:1.0}style-name") if element.tag == "{urn:oasis:names:tc:opendocument:xmlns:database:1.0}column": usedtablecolumnstyles.add(style) else: # db:query db:table-representation usedtablestyles.add(style) collect_all_attribute(usedtablerowstyles, "{urn:oasis:names:tc:opendocument:xmlns:database:1.0}default-row-style-name") collect_all_attribute(usedtablecellstyles, "{urn:oasis:names:tc:opendocument:xmlns:database:1.0}default-cell-style-name") collect_all_attribute(usedtablecellstyles, "{urn:oasis:names:tc:opendocument:xmlns:table:1.0}default-cell-style-name") tablecolumstyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='table-column']") tablerowstyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='table-row']") tablecellstyles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style[@{urn:oasis:names:tc:opendocument:xmlns:style:1.0}family='table-cell']") add_parent_styles(usedtablestyles, tstyles) add_parent_styles(usedtablecolumnstyles, tablecolumstyles) add_parent_styles(usedtablerowstyles, tablerowstyles) add_parent_styles(usedtablecellstyles, tablecellstyles) remove_unused_styles(root, usedtstyles, tstyles, "table style") remove_unused_styles(root, usedtablecolumnstyles, tablecolumstyles, "table column style") remove_unused_styles(root, usedtablerowstyles, tablerowstyles, "table row style") remove_unused_styles(root, usedtablecellstyles, tablecellstyles, "table cell style") # 13) gradients usedgradients = set() collect_all_attribute(usedgradients, "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}fill-gradient-name") collect_all_attribute(usedgradients, "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}opacity-name") gradients = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}gradient") remove_unused_drawings(root, usedgradients, gradients, "gradient") # 14) hatchs usedhatchs = set() collect_all_attribute(usedhatchs, "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}fill-hatch-name") hatchs = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}hatch") remove_unused_drawings(root, usedhatchs, hatchs, "hatch") # 15) bitmaps usedbitmaps = set() collect_all_attribute(usedbitmaps, "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}fill-image-name") bitmaps = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}bitmap") remove_unused_drawings(root, usedbitmaps, bitmaps, "bitmap") # 16) markers usedmarkers = set() collect_all_attribute(usedmarkers, "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}marker-start") collect_all_attribute(usedmarkers, "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}marker-end") markers = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}marker") remove_unused_drawings(root, usedmarkers, markers, "marker") # 17) stroke-dash usedstrokedashs = set() collect_all_attribute(usedstrokedashs, "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}stroke-dash") collect_all_attribute_list(usedstrokedashs, "{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}stroke-dash-names") strokedashs = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:drawing:1.0}stroke-dash") remove_unused_drawings(root, usedstrokedashs, strokedashs, "stroke-dash") # TODO 3 other styles # 13) unused font-face-decls usedfonts = set() collect_all_attribute(usedfonts, "{urn:oasis:names:tc:opendocument:xmlns:style:1.0}font-name") collect_all_attribute(usedfonts, "{urn:oasis:names:tc:opendocument:xmlns:style:1.0}font-name-asian") collect_all_attribute(usedfonts, "{urn:oasis:names:tc:opendocument:xmlns:style:1.0}font-name-complex") fonts = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}font-face") for font in fonts: if font.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name") not in usedfonts: print("removing unused font-face " + font.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name")) root.find(".//{urn:oasis:names:tc:opendocument:xmlns:office:1.0}font-face-decls").remove(font) # 14) remove rsid attributes styles = root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}style") for style in styles: tp = style.find(".//{urn:oasis:names:tc:opendocument:xmlns:style:1.0}text-properties") if tp is not None: if "{http://openoffice.org/2009/office}rsid" in tp.attrib: print("removing rsid from " + style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name")) del tp.attrib["{http://openoffice.org/2009/office}rsid"] if "{http://openoffice.org/2009/office}paragraph-rsid" in tp.attrib: print("removing paragraph-rsid from " + style.get("{urn:oasis:names:tc:opendocument:xmlns:style:1.0}name")) del tp.attrib["{http://openoffice.org/2009/office}paragraph-rsid"] # 15) unused user field decls useduserfields = set() for field in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}user-field-get"): useduserfields.add(field.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}name")) for field in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}user-field-input"): useduserfields.add(field.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}name")) for field in root.findall(".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}user-field-decl"): if field.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}name") not in useduserfields: print("removing unused user-field-decl " + field.get("{urn:oasis:names:tc:opendocument:xmlns:text:1.0}name")) root.find(".//{urn:oasis:names:tc:opendocument:xmlns:text:1.0}user-field-decls").remove(field) # remove office:settings settings = root.find(".//{urn:oasis:names:tc:opendocument:xmlns:office:1.0}settings") if settings is not None: root.remove(settings) # scripts are almost never needed scripts = root.find(".//{urn:oasis:names:tc:opendocument:xmlns:office:1.0}scripts") if scripts is not None: root.remove(scripts) # remove theme theme = root.find(".//{urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0}theme") if theme is not None: theme.getparent().remove(theme) # TODO: replace embedded image with some tiny one # TODO: perhaps replace text with xxx (optionally)? if __name__ == "__main__": infile = sys.argv[1] outfile = sys.argv[2] dom = ET.parse(infile) root = dom.getroot() remove_unused(root) # write output dom.write(outfile, encoding='utf-8', xml_declaration=True) """ TODO chart:style-name -> chart style:data-style-name -> data style style:percentage-data-style-name -> data style """ # vim: set shiftwidth=4 softtabstop=4 expandtab: