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# 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/.
"""Python environment for ATK a11y browser tests.
"""
import os
import subprocess
import sys
import psutil
# pyatspi can't be installed using pip. Rely on the system installation.
# Get the path to the system installation of pyatspi.
pyatspiFile = subprocess.check_output(
(
os.path.join(sys.base_prefix, "bin", "python3"),
"-c",
"import pyatspi; print(pyatspi.__file__)",
),
encoding="utf-8",
).rstrip()
sys.path.append(os.path.dirname(os.path.dirname(pyatspiFile)))
import pyatspi
sys.path.pop()
del pyatspiFile
def getDoc():
"""Get the Accessible for the document being tested."""
# We can compare the parent process ids to find the Firefox started by the
# test harness.
commonPid = psutil.Process().ppid()
for app in pyatspi.Registry.getDesktop(0):
if (
app.name == "Firefox"
and psutil.Process(app.get_process_id()).ppid() == commonPid
):
break
else:
raise LookupError("Couldn't find Firefox application Accessible")
root = app[0]
for embeds in root.getRelationSet():
if embeds.getRelationType() == pyatspi.RELATION_EMBEDS:
break
else:
raise LookupError("Firefox root doesn't have RELATION_EMBEDS")
doc = embeds.getTarget(0)
child = doc[0]
if child.get_attributes().get("id") == "default-iframe-id":
# This is an iframe or remoteIframe test.
doc = child[0]
return doc
def findByDomId(root, id):
for child in root:
if child.get_attributes().get("id") == id:
return child
descendant = findByDomId(child, id)
if descendant:
return descendant
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