Remove deprecated strict flag from @hydra.main and the Compose API

hydra/_internal/config_loader_impl.py

@@ -52,9 +52,7 @@ class ConfigLoaderImpl(ConfigLoader):
     def __init__(
         self,
         config_search_path: ConfigSearchPath,
-        default_strict: Optional[bool] = True,
     ) -> None:
-        self.default_strict = default_strict
         self.config_search_path = config_search_path
         self.repository = ConfigRepository(config_search_path=config_search_path)
 
@@ -144,15 +142,13 @@ def load_configuration(
         config_name: Optional[str],
         overrides: List[str],
         run_mode: RunMode,
-        strict: Optional[bool] = None,
         from_shell: bool = True,
     ) -> DictConfig:
         try:
             return self._load_configuration_impl(
                 config_name=config_name,
                 overrides=overrides,
                 run_mode=run_mode,
-                strict=strict,
                 from_shell=from_shell,
             )
         except OmegaConfBaseException as e:
@@ -163,15 +159,11 @@ def _load_configuration_impl(
         config_name: Optional[str],
         overrides: List[str],
         run_mode: RunMode,
-        strict: Optional[bool] = None,
         from_shell: bool = True,
     ) -> DictConfig:
         self.ensure_main_config_source_available()
         caching_repo = CachingConfigRepository(self.repository)
 
-        if strict is None:
-            strict = self.default_strict
-
         parser = OverridesParser.create()
         parsed_overrides = parser.parse_overrides(overrides=overrides)
 
@@ -193,7 +185,7 @@ def _load_configuration_impl(
             defaults=defaults_list.defaults, repo=caching_repo
         )
 
-        OmegaConf.set_struct(cfg, strict)
+        OmegaConf.set_struct(cfg, True)
         OmegaConf.set_readonly(cfg.hydra, False)
 
         # Apply command line overrides after enabling strict flag
@@ -240,7 +232,6 @@ def load_sweep_config(
         overrides = overrides + sweep_overrides
         sweep_config = self.load_configuration(
             config_name=master_config.hydra.job.config_name,
-            strict=self.default_strict,
             overrides=overrides,
             run_mode=RunMode.RUN,
         )

hydra/_internal/hydra.py

@@ -3,7 +3,6 @@
 import logging
 import string
 import sys
-import warnings
 from argparse import ArgumentParser
 from collections import defaultdict
 from typing import Any, Callable, DefaultDict, List, Optional, Sequence, Type, Union
@@ -44,34 +43,21 @@ def create_main_hydra_file_or_module(
         calling_module: Optional[str],
         config_path: Optional[str],
         job_name: str,
-        strict: Optional[bool],
     ) -> "Hydra":
         config_search_path = create_automatic_config_search_path(
             calling_file, calling_module, config_path
         )
 
-        return Hydra.create_main_hydra2(job_name, config_search_path, strict)
+        return Hydra.create_main_hydra2(job_name, config_search_path)
 
     @classmethod
     def create_main_hydra2(
         cls,
         task_name: str,
         config_search_path: ConfigSearchPath,
-        strict: Optional[bool],
     ) -> "Hydra":
-
-        if strict is None:
-            strict = True
-        else:
-            # DEPRECATED: remove in 1.1
-            msg = (
-                "\n@hydra.main(strict) flag is deprecated and will removed in the next version."
-                "\nSee https://hydra.cc/docs/next/upgrades/0.11_to_1.0/strict_mode_flag_deprecated"
-            )
-            warnings.warn(message=msg, category=UserWarning)
-
         config_loader: ConfigLoader = ConfigLoaderImpl(
-            config_search_path=config_search_path, default_strict=strict
+            config_search_path=config_search_path
         )
 
         hydra = cls(task_name=task_name, config_loader=config_loader)
@@ -119,11 +105,9 @@ def multirun(
         overrides: List[str],
         with_log_configuration: bool = True,
     ) -> Any:
-        # Initial config is loaded without strict (individual job configs may have strict).
         cfg = self.compose_config(
             config_name=config_name,
             overrides=overrides,
-            strict=False,
             with_log_configuration=with_log_configuration,
             run_mode=RunMode.MULTIRUN,
         )
@@ -521,7 +505,6 @@ def compose_config(
         config_name: Optional[str],
         overrides: List[str],
         run_mode: RunMode,
-        strict: Optional[bool] = None,
         with_log_configuration: bool = False,
         from_shell: bool = True,
     ) -> DictConfig:
@@ -530,16 +513,13 @@ def compose_config(
         :param overrides:
         :param run_mode: compose config for run or for multirun?
         :param with_log_configuration: True to configure logging subsystem from the loaded config
-        :param strict: None for default behavior (default to true for config file, false if no config file).
-                       otherwise forces specific behavior.
         :param from_shell: True if the parameters are passed from the shell. used for more helpful error messages
         :return:
         """
 
         cfg = self.config_loader.load_configuration(
             config_name=config_name,
             overrides=overrides,
-            strict=strict,
             run_mode=run_mode,
             from_shell=from_shell,
         )

hydra/_internal/utils.py

@@ -290,7 +290,6 @@ def _run_hydra(
     task_function: TaskFunction,
     config_path: Optional[str],
     config_name: Optional[str],
-    strict: Optional[bool],
 ) -> None:
 
     from hydra.core.global_hydra import GlobalHydra
@@ -332,7 +331,7 @@ def add_conf_dir() -> None:
     run_and_report(add_conf_dir)
     hydra = run_and_report(
         lambda: Hydra.create_main_hydra2(
-            task_name=task_name, config_search_path=search_path, strict=strict
+            task_name=task_name, config_search_path=search_path
         )
     )
 

hydra/core/config_loader.py

@@ -21,7 +21,6 @@ def load_configuration(
         config_name: Optional[str],
         overrides: List[str],
         run_mode: RunMode,
-        strict: Optional[bool] = None,
         from_shell: bool = True,
     ) -> DictConfig:
         ...

hydra/experimental/compose.py

@@ -10,14 +10,12 @@
 def compose(
     config_name: Optional[str] = None,
     overrides: List[str] = [],
-    strict: Optional[bool] = None,
     return_hydra_config: bool = False,
 ) -> DictConfig:
     """
     :param config_name: the name of the config
            (usually the file name without the .yaml extension)
     :param overrides: list of overrides for config file
-    :param strict: optionally override the default strict mode
     :param return_hydra_config: True to return the hydra config node in the result
     :return: the composed config
     """
@@ -32,7 +30,6 @@ def compose(
         config_name=config_name,
         overrides=overrides,
         run_mode=RunMode.RUN,
-        strict=strict,
         from_shell=False,
         with_log_configuration=False,
     )

hydra/experimental/initialize.py

@@ -41,15 +41,13 @@ class initialize:
     - Jupyter notebooks.
     :param config_path: path relative to the parent of the caller
     :param job_name: the value for hydra.job.name (By default it is automatically detected based on the caller)
-    :param strict: (Deprecated), will be removed in the next major version
     :param caller_stack_depth: stack depth of the caller, defaults to 1 (direct caller).
     """
 
     def __init__(
         self,
         config_path: Optional[str] = None,
         job_name: Optional[str] = None,
-        strict: Optional[bool] = None,
         caller_stack_depth: int = 1,
     ) -> None:
         self._gh_backup = get_gh_backup()
@@ -69,7 +67,6 @@ def __init__(
             calling_module=calling_module,
             config_path=config_path,
             job_name=job_name,
-            strict=strict,
         )
 
     def __enter__(self, *args: Any, **kwargs: Any) -> None:
@@ -98,7 +95,6 @@ def __init__(self, config_module: str, job_name: str = "app"):
             calling_module=f"{config_module}.{job_name}",
             config_path=None,
             job_name=job_name,
-            strict=None,
         )
 
     def __enter__(self, *args: Any, **kwargs: Any) -> None:
@@ -130,9 +126,7 @@ def __init__(self, config_dir: str, job_name: str = "app") -> None:
                 "initialize_config_dir() requires an absolute config_dir as input"
             )
         csp = create_config_search_path(search_path_dir=config_dir)
-        Hydra.create_main_hydra2(
-            task_name=job_name, config_search_path=csp, strict=None
-        )
+        Hydra.create_main_hydra2(task_name=job_name, config_search_path=csp)
 
     def __enter__(self, *args: Any, **kwargs: Any) -> None:
         ...

hydra/main.py

@@ -8,17 +8,13 @@
 from .types import TaskFunction
 
 
-# TODO: remove strict flag (deprecated since Hydra 1.0)
 def main(
     config_path: Optional[str] = None,
     config_name: Optional[str] = None,
-    strict: Optional[bool] = None,
 ) -> Callable[[TaskFunction], Any]:
     """
     :param config_path: the config path, a directory relative to the declaring python file.
     :param config_name: the name of the config (usually the file name without the .yaml extension)
-    :param strict: (Deprecated) strict mode, will throw an error if command line overrides are not changing an
-    existing key or if the code is accessing a non existent key
     """
 
     def main_decorator(task_function: TaskFunction) -> Callable[[], None]:
@@ -35,7 +31,6 @@ def decorated_main(cfg_passthrough: Optional[DictConfig] = None) -> Any:
                     task_function=task_function,
                     config_path=config_path,
                     config_name=config_name,
-                    strict=strict,
                 )
 
         return decorated_main

hydra/plugins/completion_plugin.py

@@ -211,7 +211,7 @@ def _query(self, config_name: Optional[str], line: str) -> List[str]:
 
         run_mode = RunMode.MULTIRUN if parsed_args.multirun else RunMode.RUN
         config = self.config_loader.load_configuration(
-            config_name=config_name, overrides=words, run_mode=run_mode, strict=True
+            config_name=config_name, overrides=words, run_mode=run_mode
         )
 
         fname_prefix, filename = CompletionPlugin._get_filename(word)

hydra/test_utils/test_utils.py

@@ -44,7 +44,6 @@ def __init__(self) -> None:
         self.calling_module: Optional[str] = None
         self.config_path: Optional[str] = None
         self.config_name: Optional[str] = None
-        self.strict: Optional[bool] = None
         self.hydra: Optional[Hydra] = None
         self.job_ret: Optional[JobReturn] = None
         self.configure_logging: bool = False
@@ -67,7 +66,6 @@ def __enter__(self) -> "TaskTestFunction":
                 calling_module=self.calling_module,
                 config_path=self.config_path,
                 job_name=job_name,
-                strict=self.strict,
             )
             self.temp_dir = tempfile.mkdtemp()
             overrides = copy.deepcopy(self.overrides)
@@ -99,7 +97,6 @@ def __call__(
         config_path: Optional[str],
         config_name: Optional[str],
         overrides: Optional[List[str]] = None,
-        strict: Optional[bool] = None,
         configure_logging: bool = False,
     ) -> TaskTestFunction:
         ...
@@ -121,7 +118,6 @@ def __init__(self) -> None:
         self.task_function: Optional[TaskFunction] = None
         self.config_path: Optional[str] = None
         self.config_name: Optional[str] = None
-        self.strict: Optional[bool] = None
         self.sweeps = None
         self.returns = None
         self.configure_logging: bool = False
@@ -152,7 +148,6 @@ def __enter__(self) -> "SweepTaskFunction":
                 calling_module=self.calling_module,
                 config_path=self.config_path,
                 job_name=job_name,
-                strict=self.strict,
             )
 
             self.returns = hydra_.multirun(
@@ -184,7 +179,6 @@ def __call__(
         config_path: Optional[str],
         config_name: Optional[str],
         overrides: Optional[List[str]],
-        strict: Optional[bool] = None,
         temp_dir: Optional[Path] = None,
     ) -> SweepTaskFunction:
         ...

news/1010.api_change.4

@@ -0,0 +1 @@
+Remove deprecated strict flag from @hydra.main and the Compose API

tests/test_compose.py

@@ -74,18 +74,6 @@ def test_strict_failure_global_strict(
                 compose(config_file, overrides)
 
 
-def test_strict_deprecation_warning(hydra_restore_singletons: Any) -> None:
-    msg = (
-        "\n@hydra.main(strict) flag is deprecated and will removed in the next version."
-        "\nSee https://hydra.cc/docs/next/upgrades/0.11_to_1.0/strict_mode_flag_deprecated"
-    )
-    with pytest.warns(expected_warning=UserWarning, match=re.escape(msg)):
-        try:
-            initialize(config_path=None, strict=True)
-        finally:
-            GlobalHydra.instance().clear()
-
-
 @pytest.mark.usefixtures("hydra_restore_singletons")
 @pytest.mark.parametrize(
     "config_file, overrides, expected",