From ff90c25ac02c49b9d9b15b498905f8ed2a7a276d Mon Sep 17 00:00:00 2001
From: Ruslan Kuprieiev <ruslan@iterative.ai>
Date: Fri, 8 May 2020 03:04:05 +0300
Subject: [PATCH 1/2] stage: hide unwanted warnings

These messages all correpond to expected behaviour, so there is no need
to polute the output with unnecessary warnings.
---
 dvc/repo/__init__.py  |  4 +---
 dvc/stage/__init__.py |  6 +++---
 dvc/stage/loader.py   | 22 +++-------------------
 3 files changed, 7 insertions(+), 25 deletions(-)

diff --git a/dvc/repo/__init__.py b/dvc/repo/__init__.py
index 166cc13af7..88618cf49e 100644
--- a/dvc/repo/__init__.py
+++ b/dvc/repo/__init__.py
@@ -1,4 +1,3 @@
-import logging
 import os
 from contextlib import contextmanager
 from functools import wraps
@@ -435,8 +434,7 @@ def _collect_stages(self):
             for file_name in filter(is_valid_filename, files):
                 path = os.path.join(root, file_name)
                 stage_loader = Dvcfile(self, path).stages
-                with stage_loader.log_level(at=logging.DEBUG):
-                    stages.extend(stage_loader.values())
+                stages.extend(stage_loader.values())
                 outs.update(
                     out.fspath
                     for stage in stages
diff --git a/dvc/stage/__init__.py b/dvc/stage/__init__.py
index a1101f0715..fe96f272e8 100644
--- a/dvc/stage/__init__.py
+++ b/dvc/stage/__init__.py
@@ -246,13 +246,13 @@ def _changed_outs(self):
     def stage_changed(self, warn=False):
         changed = self.md5 != self._compute_md5()
         if changed and warn:
-            logger.warning("DVC-file '{}' changed.".format(self.relpath))
+            logger.debug("DVC-file '{}' changed.".format(self.relpath))
         return changed
 
     @rwlocked(read=["deps", "outs"])
     def changed(self):
         if self._changed():
-            logger.warning("{} changed.".format(self))
+            logger.debug("{} changed.".format(self))
             return True
 
         logger.debug("{} didn't change.".format(self))
@@ -831,5 +831,5 @@ def stage_status(self):
 
     def stage_changed(self, warn=False):
         if self.cmd_changed and warn:
-            logger.warning("'cmd' of {} has changed.".format(self))
+            logger.debug("'cmd' of {} has changed.".format(self))
         return self.cmd_changed
diff --git a/dvc/stage/loader.py b/dvc/stage/loader.py
index 05fa6300b9..239441e670 100644
--- a/dvc/stage/loader.py
+++ b/dvc/stage/loader.py
@@ -1,7 +1,7 @@
 import logging
 import os
 from collections import Mapping, defaultdict
-from contextlib import contextmanager
+
 from copy import deepcopy
 from itertools import chain
 
@@ -30,14 +30,6 @@ def __init__(self, dvcfile, stages_data, lockfile_data=None):
         self.dvcfile = dvcfile
         self.stages_data = stages_data or {}
         self.lockfile_data = lockfile_data or {}
-        self._log_level = logging.WARNING
-
-    @contextmanager
-    def log_level(self, at):
-        """Change log_level temporarily for StageLoader."""
-        self._log_level, level = at, self._log_level
-        yield
-        self._log_level = level
 
     def filter(self, item=None):
         if not item:
@@ -154,11 +146,8 @@ def __getitem__(self, name):
             raise StageNotFound(self.dvcfile, name)
 
         if not self.lockfile_data.get(name):
-            logger.log(
-                self._log_level,
-                "No lock entry found for '%s:%s'",
-                self.dvcfile.relpath,
-                name,
+            logger.debug(
+                "No lock entry found for '%s:%s'", self.dvcfile.relpath, name,
             )
 
         return self.load_stage(
@@ -187,11 +176,6 @@ def __init__(self, dvcfile, stage_data, stage_text=None):
     def filter(self, item=None):
         return self
 
-    @contextmanager
-    def log_level(self, *args, **kwargs):
-        """No-op context manager."""
-        yield
-
     def __getitem__(self, item):
         if item:
             logger.warning(

From 8ced35878d37edd763c8c1966a74638212d7fcee Mon Sep 17 00:00:00 2001
From: "Restyled.io" <commits@restyled.io>
Date: Fri, 8 May 2020 00:06:29 +0000
Subject: [PATCH 2/2] Restyled by isort

---
 dvc/stage/loader.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/dvc/stage/loader.py b/dvc/stage/loader.py
index 239441e670..0f5680c0b2 100644
--- a/dvc/stage/loader.py
+++ b/dvc/stage/loader.py
@@ -1,7 +1,6 @@
 import logging
 import os
 from collections import Mapping, defaultdict
-
 from copy import deepcopy
 from itertools import chain