gecko-dev/addon-sdk/source/python-lib/cuddlefish/rdf.py

251 строка
9.4 KiB
Python

# 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 os
import xml.dom.minidom
import StringIO
import codecs
import glob
RDF_NS = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
EM_NS = "http://www.mozilla.org/2004/em-rdf#"
class RDF(object):
def __str__(self):
# real files have an .encoding attribute and use it when you
# write() unicode into them: they read()/write() unicode and
# put encoded bytes in the backend file. StringIO objects
# read()/write() unicode and put unicode in the backing store,
# so we must encode the output of getvalue() to get a
# bytestring. (cStringIO objects are weirder: they effectively
# have .encoding hardwired to "ascii" and put only bytes in
# the backing store, so we can't use them here).
#
# The encoding= argument to dom.writexml() merely sets the
# XML header's encoding= attribute. It still writes unencoded
# unicode to the output file, so we have to encode it for
# real afterwards.
#
# Also see: https://bugzilla.mozilla.org/show_bug.cgi?id=567660
buf = StringIO.StringIO()
self.dom.writexml(buf, encoding="utf-8")
return buf.getvalue().encode('utf-8')
class RDFUpdate(RDF):
def __init__(self):
impl = xml.dom.minidom.getDOMImplementation()
self.dom = impl.createDocument(RDF_NS, "RDF", None)
self.dom.documentElement.setAttribute("xmlns", RDF_NS)
self.dom.documentElement.setAttribute("xmlns:em", EM_NS)
def _make_node(self, name, value, parent):
elem = self.dom.createElement(name)
elem.appendChild(self.dom.createTextNode(value))
parent.appendChild(elem)
return elem
def add(self, manifest, update_link):
desc = self.dom.createElement("Description")
desc.setAttribute(
"about",
"urn:mozilla:extension:%s" % manifest.get("em:id")
)
self.dom.documentElement.appendChild(desc)
updates = self.dom.createElement("em:updates")
desc.appendChild(updates)
seq = self.dom.createElement("Seq")
updates.appendChild(seq)
li = self.dom.createElement("li")
seq.appendChild(li)
li_desc = self.dom.createElement("Description")
li.appendChild(li_desc)
self._make_node("em:version", manifest.get("em:version"),
li_desc)
apps = manifest.dom.documentElement.getElementsByTagName(
"em:targetApplication"
)
for app in apps:
target_app = self.dom.createElement("em:targetApplication")
li_desc.appendChild(target_app)
ta_desc = self.dom.createElement("Description")
target_app.appendChild(ta_desc)
for name in ["em:id", "em:minVersion", "em:maxVersion"]:
elem = app.getElementsByTagName(name)[0]
self._make_node(name, elem.firstChild.nodeValue, ta_desc)
self._make_node("em:updateLink", update_link, ta_desc)
class RDFManifest(RDF):
def __init__(self, path):
self.dom = xml.dom.minidom.parse(path)
def set(self, property, value):
elements = self.dom.documentElement.getElementsByTagName(property)
if not elements:
raise ValueError("Element with value not found: %s" % property)
if not elements[0].firstChild:
elements[0].appendChild(self.dom.createTextNode(value))
else:
elements[0].firstChild.nodeValue = value
def get(self, property, default=None):
elements = self.dom.documentElement.getElementsByTagName(property)
if not elements:
return default
return elements[0].firstChild.nodeValue
def remove(self, property):
elements = self.dom.documentElement.getElementsByTagName(property)
if not elements:
return True
else:
for i in elements:
i.parentNode.removeChild(i);
return True;
def add_node(self, node):
top = self.dom.documentElement.getElementsByTagName("Description")[0];
top.appendChild(node)
def gen_manifest(template_root_dir, target_cfg, jid, harness_options={},
update_url=None, bootstrap=True, enable_mobile=False):
install_rdf = os.path.join(template_root_dir, "install.rdf")
manifest = RDFManifest(install_rdf)
dom = manifest.dom
manifest.set("em:id", jid)
manifest.set("em:version",
target_cfg.get('version', '1.0'))
if "locale" in harness_options:
# addon_title -> <em:name>
# addon_author -> <em:creator>
# addon_description -> <em:description>
# addon_homepageURL -> <em:homepageURL>
localizable_in = ["title", "author", "description", "homepage"]
localized_out = ["name", "creator", "description", "homepageURL"]
for lang in harness_options["locale"]:
desc = dom.createElement("Description")
for value_in in localizable_in:
key_in = "extensions." + target_cfg.get("id", "") + "." + value_in
tag_out = localized_out[localizable_in.index(value_in)]
if key_in in harness_options["locale"][lang]:
elem = dom.createElement("em:" + tag_out)
elem_value = harness_options["locale"][lang][key_in]
elem.appendChild(dom.createTextNode(elem_value))
desc.appendChild(elem)
# Don't add language if no localizeable field was localized
if desc.hasChildNodes():
locale = dom.createElement("em:locale")
locale.appendChild(dom.createTextNode(lang))
desc.appendChild(locale)
localized = dom.createElement("em:localized")
localized.appendChild(desc)
manifest.add_node(localized)
manifest.set("em:name",
target_cfg.get('title', target_cfg.get('fullName', target_cfg['name'])))
manifest.set("em:description",
target_cfg.get("description", ""))
manifest.set("em:creator",
target_cfg.get("author", ""))
if target_cfg.get("homepage"):
manifest.set("em:homepageURL", target_cfg.get("homepage"))
else:
manifest.remove("em:homepageURL")
manifest.set("em:bootstrap", str(bootstrap).lower())
# XPIs remain packed by default, but package.json can override that. The
# RDF format accepts "true" as True, anything else as False. We expect
# booleans in the .json file, not strings.
manifest.set("em:unpack", "true" if target_cfg.get("unpack") else "false")
for translator in target_cfg.get("translators", [ ]):
elem = dom.createElement("em:translator");
elem.appendChild(dom.createTextNode(translator))
manifest.add_node(elem)
for developer in target_cfg.get("developers", [ ]):
elem = dom.createElement("em:developer");
elem.appendChild(dom.createTextNode(developer))
dom.documentElement.getElementsByTagName("Description")[0].appendChild(elem)
for contributor in target_cfg.get("contributors", [ ]):
elem = dom.createElement("em:contributor");
elem.appendChild(dom.createTextNode(contributor))
manifest.add_node(elem)
if update_url:
manifest.set("em:updateURL", update_url)
else:
manifest.remove("em:updateURL")
if target_cfg.get("preferences"):
manifest.set("em:optionsType", "2")
# workaround until bug 971249 is fixed
# https://bugzilla.mozilla.org/show_bug.cgi?id=971249
manifest.set("em:optionsURL", "data:text/xml,<placeholder/>")
# workaround for workaround, for testing simple-prefs-regression
if (os.path.exists(os.path.join(template_root_dir, "options.xul"))):
manifest.remove("em:optionsURL")
else:
manifest.remove("em:optionsType")
manifest.remove("em:optionsURL")
if enable_mobile:
target_app = dom.createElement("em:targetApplication")
manifest.add_node(target_app)
ta_desc = dom.createElement("Description")
target_app.appendChild(ta_desc)
elem = dom.createElement("em:id")
elem.appendChild(dom.createTextNode("{aa3c5121-dab2-40e2-81ca-7ea25febc110}"))
ta_desc.appendChild(elem)
elem = dom.createElement("em:minVersion")
elem.appendChild(dom.createTextNode("26.0"))
ta_desc.appendChild(elem)
elem = dom.createElement("em:maxVersion")
elem.appendChild(dom.createTextNode("30.0a1"))
ta_desc.appendChild(elem)
return manifest
if __name__ == "__main__":
print "Running smoke test."
root = os.path.join(os.path.dirname(__file__), '../../app-extension')
manifest = gen_manifest(root, {'name': 'test extension'},
'fakeid', 'http://foo.com/update.rdf')
update = RDFUpdate()
update.add(manifest, "https://foo.com/foo.xpi")
exercise_str = str(manifest) + str(update)
for tagname in ["em:targetApplication", "em:version", "em:id"]:
if not len(update.dom.getElementsByTagName(tagname)):
raise Exception("tag does not exist: %s" % tagname)
if not update.dom.getElementsByTagName(tagname)[0].firstChild:
raise Exception("tag has no children: %s" % tagname)
print "Success!"