def _verify_dependencies():
try:
import rarfile
except ImportError as error:
raise ModuleNotFoundError from error
try:
# For me bsdtar was not working
rarfile.tool_setup(bsdtar=False)
except rarfile.RarCannotExec as error:
raise RuntimeError from error
return rarfile
def __init__(self, username=None, password=None, featured_only=False):
# Provider needs UNRAR installed. If not available raise ConfigurationError
try:
rarfile.tool_setup()
except rarfile.RarExecError:
raise ConfigurationError('UNRAR tool not available')
if any((username, password)) and not all((username, password)):
raise ConfigurationError('Username and password must be specified')
self.username = username
self.password = password
self.logged_in = False
self.session = None
self.featured_only = featured_only
def is_supported(self):
if rarfile.__version__ == '4.0':
try:
rarfile.tool_setup()
except rarfile.RarCannotExec:
return False
return True
#
# handle old rarfile versions
#
available_tools = {
rarfile.UNRAR_TOOL: [],
rarfile.ALT_TOOL: rarfile.ALT_CHECK_ARGS, # pylint: disable=E1101
}
for tool, check_args in available_tools.items():
try:
cmd = [tool] + list(check_args)
rarfile.custom_check(cmd, True) # pylint: disable=E1101
return True
except rarfile.RarCannotExec:
pass
return False
def change_unrar_tool(unrar_tool, unar_tool, bsdtar_tool):
try:
rarfile.tool_setup()
except rarfile.RarCannotExec:
pass
else:
settings.UNAR_TOOL = rarfile.UNRAR_TOOL
settings.UNAR_TOOL = rarfile.UNAR_TOOL
settings.BSDTAR_TOOL = rarfile.BSDTAR_TOOL
return True
_unrar_tool = rarfile.UNRAR_TOOL
_unar_tool = rarfile.UNAR_TOOL
_bsdtar_tool = rarfile.BSDTAR_TOOL
if unrar_tool and unrar_tool != rarfile.UNRAR_TOOL:
rarfile.UNRAR_TOOL = unrar_tool
if unar_tool and unar_tool != rarfile.UNAR_TOOL:
rarfile.UNAR_TOOL = unar_tool
if bsdtar_tool and bsdtar_tool != rarfile.BSDTAR_TOOL:
rarfile.BSDTAR_TOOL = bsdtar_tool
try:
rarfile.tool_setup()
except rarfile.RarCannotExec:
pass
else:
settings.UNAR_TOOL = rarfile.UNRAR_TOOL
settings.UNAR_TOOL = rarfile.UNAR_TOOL
settings.BSDTAR_TOOL = rarfile.BSDTAR_TOOL
return True
rarfile.UNRAR_TOOL = _unar_tool
rarfile.UNAR_TOOL = _unar_tool
rarfile.BSDTAR_TOOL = _bsdtar_tool
if platform.system() == "Windows":
# Look for WinRAR installations
winrar_path = "WinRAR\\UnRAR.exe"
# Make a set of unique paths to check from existing environment variables
check_locations = {
os.path.join(location, winrar_path)
for location in (
os.environ.get("ProgramW6432"),
os.environ.get("ProgramFiles(x86)"),
os.environ.get("ProgramFiles"),
re.sub(r"\s?\(x86\)", "", os.environ["ProgramFiles"]),
) if location
}
check_locations.add(os.path.join(settings.DATA_DIR,
"unrar\\unrar.exe"))
for check in check_locations:
if os.path.isfile(check):
try:
rarfile.UNRAR_TOOL = check
rarfile.tool_setup()
settings.UNRAR_TOOL = check
return True
except rarfile.RarCannotExec:
pass
logger.info("Trying to download unrar.exe and set the path")
unrar_store = os.path.join(settings.DATA_DIR,
"unrar") # ./unrar (folder)
unrar_zip = os.path.join(settings.DATA_DIR,
"unrar_win.zip") # file download
if helpers.download_file(
"https://sickchill.github.io/unrar/unrar_win.zip",
filename=unrar_zip,
session=helpers.make_session()) and helpers.extractZip(
archive=unrar_zip, targetDir=unrar_store):
try:
os.remove(unrar_zip)
except OSError as e:
logger.info(
"Unable to delete downloaded file {0}: {1}. You may delete it manually"
.format(unrar_zip, e.strerror))
check = os.path.join(unrar_store, "unrar.exe")
try:
rarfile.UNRAR_TOOL = check
rarfile.tool_setup()
settings.UNRAR_TOOL = check
logger.info(
"Successfully downloaded unrar.exe and set as unrar tool")
return True
except (rarfile.RarCannotExec, rarfile.RarExecError, OSError,
IOError):
logger.info(
"Sorry, unrar was not set up correctly. Try installing WinRAR and make sure it is on the system PATH"
)
else:
logger.info("Unable to download unrar.exe")
# These must always be set to something before returning
settings.UNRAR_TOOL = rarfile.UNRAR_TOOL = _unrar_tool
settings.UNAR_TOOL = rarfile.UNAR_TOOL = _unar_tool
settings.BSDTAR_TOOL = rarfile.BSDTAR_TOOL = _bsdtar_tool
try:
rarfile.tool_setup()
return True
except rarfile.RarCannotExec:
if settings.UNPACK == settings.UNPACK_PROCESS_CONTENTS:
logger.info(
_("Disabling UNPACK setting because no unrar/unar/bsdtar is found and accessible in the path or setting."
))
settings.UNPACK = settings.UNPACK_DISABLED
return False
def install_unar_tool():
rarfile.tool_setup(unrar=False, unar=True, bsdtar=False, force=True)
def uninstall_alt_tool():
rarfile.tool_setup(force=True)