Try to silence dbt logging #5054

plugins/sqlfluff-templater-dbt/sqlfluff_templater_dbt/templater.py

@@ -113,6 +113,35 @@ def dbt_version_tuple(self):
  """Gets the dbt version."""
  return int(self._dbt_version.major), int(self._dbt_version.minor)
 
+ def try_silence_dbt_logs(self) -> None:
+ """Attempt to silence dbt logs.
+
+ During normal operation dbt is likely to log output such as:
+
+ .. code-block::
+
+ 14:13:10 Registered adapter: snowflake=1.6.0
+
+ This is emitted by dbt directly to stdout/stderr, and so for us
+ to silence it (e.g. when outputting to json or yaml) we need to
+ reach into the internals of dbt and silence it directly.
+
+ https:/sqlfluff/sqlfluff/issues/5054
+
+ NOTE: We wrap this in a try clause so that if the API changes
+ within dbt that we don't get a direct fail. This was tested on
+ dbt-code==1.6.0.
+ """
+ # First check whether we need to silence the logs. If a formatter
+ # is present then assume that it's not a problem
+ if not self.formatter:
+ try:
+ from dbt.events.functions import cleanup_event_logger
+
+ cleanup_event_logger()
+ except ImportError:
+ pass
+
  @cached_property
  def dbt_config(self):
  """Loads the dbt config."""
@@ -121,6 +150,10 @@ def dbt_config(self):
  from dbt.config.runtime import RuntimeConfig as DbtRuntimeConfig
  from dbt.adapters.factory import register_adapter
 
+ # Attempt to silence internal logging at this point.
+ # https:/sqlfluff/sqlfluff/issues/5054
+ self.try_silence_dbt_logs()
+
  if self.dbt_version_tuple >= (1, 5):
  user_config = None
  # 1.5.x+ this is a dict.