Fallback to DVCLIVE_LOGLEVEL. Make warning default level (#71)

* bugfix for get_studio_token_and_repo_url

* set default loglevel to warn

Author: Dave Berenbaum

src/dvc_studio_client/env.py

@@ -1,3 +1,4 @@
+DVCLIVE_LOGLEVEL = "DVCLIVE_LOGLEVEL"
 DVC_STUDIO_CLIENT_LOGLEVEL = "DVC_STUDIO_CLIENT_LOGLEVEL"
 DVC_STUDIO_OFFLINE = "DVC_STUDIO_OFFLINE"
 DVC_STUDIO_TOKEN = "DVC_STUDIO_TOKEN"  # nosec B105

src/dvc_studio_client/post_live_metrics.py

@@ -16,6 +16,7 @@
     DVC_STUDIO_REPO_URL,
     DVC_STUDIO_TOKEN,
     DVC_STUDIO_URL,
+    DVCLIVE_LOGLEVEL,
     STUDIO_ENDPOINT,
     STUDIO_REPO_URL,
     STUDIO_TOKEN,
@@ -29,7 +30,9 @@
 formatter = logging.Formatter("%(levelname)s:%(name)s:%(message)s")
 handler.setFormatter(formatter)
 logger.addHandler(handler)
-logger.setLevel(getenv(DVC_STUDIO_CLIENT_LOGLEVEL, "INFO").upper())
+logger.setLevel(
+    getenv(DVC_STUDIO_CLIENT_LOGLEVEL, getenv(DVCLIVE_LOGLEVEL, "WARNING")).upper()
+)
 
 
 def _get_remote_url() -> str: