def _find_or_create_user_id():
"""
The user's ID is stored on a file under the global config directory.
The file should contain a JSON with a "user_id" key:
{"user_id": "16fd2706-8baf-433b-82eb-8c7fada847da"}
IDs are generated randomly with UUID.
"""
config_dir = Config.get_global_config_dir()
fname = os.path.join(config_dir, "user_id")
lockfile = os.path.join(config_dir, "user_id.lock")
# Since the `fname` and `lockfile` are under the global config,
# we need to make sure such directory exist already.
makedirs(config_dir, exist_ok=True)
try:
with Lock(lockfile):
try:
with open(fname, "r") as fobj:
user_id = json.load(fobj)["user_id"]
except (FileNotFoundError, ValueError, KeyError):
user_id = str(uuid.uuid4())
with open(fname, "w") as fobj:
json.dump({"user_id": user_id}, fobj)
return user_id
except LockError:
logger.debug(
"Failed to acquire '{lockfile}'".format(lockfile=lockfile))
def __init__(self, info={}):
from dvc.config import Config
from dvc.lock import Lock
self.info = info
cdir = Config.get_global_config_dir()
try:
os.makedirs(cdir)
except OSError as e:
if e.errno != errno.EEXIST:
raise
self.user_id_file = os.path.join(cdir, self.USER_ID_FILE)
self.user_id_file_lock = Lock(cdir, self.USER_ID_FILE + '.lock')
