def _get_test_candidate(version: str, locale: str) -> str or None:
"""Download and extract a build candidate.
Build may either refer to a Firefox release identifier, package, or build directory.
:param: build: str with firefox build
:return: Installation path for the Firefox App
"""
logger.debug('Getting build, version %s, locale %s' %
(version, locale))
if version == 'local':
candidate = PathManager.get_local_firefox_path()
if candidate is None:
logger.critical(
'Firefox not found. Please download if from https://www.mozilla.org/en-US/firefox/new/'
)
return candidate
elif os.path.isfile(version):
return version
else:
try:
s_t, s_d = _get_scraper_details(
version, CHANNELS,
os.path.join(PathManager.get_working_dir(), 'cache'),
locale)
scraper = FactoryScraper(s_t, **s_d)
firefox_dmg = scraper.download()
install_dir = install(src=firefox_dmg,
dest=os.path.join(
PathManager.get_temp_dir(),
'firefox{}{}'.format(
normalize_str(version),
normalize_str(locale))))
return get_binary(install_dir, 'Firefox')
except errors.NotFoundError:
logger.critical(
'Specified build {} has not been found. Closing Iris ...'.
format(version))
return None
def at_exit():
reset_terminal_encoding()
if os.path.exists(PathManager.get_temp_dir()):
shutil.rmtree(PathManager.get_temp_dir(), ignore_errors=True)