Remove old config options - part 1 (streamlit#9005)

PR Removes the following config options that were deprecated and are
past their expiration dates:
- `global.logLevel`
- `global.dataFrameSerialization`
- `ui.hideSidebarNav`
- `deprecation.showfileUploaderEncoding`
- `deprecation.showImageFormat`

lib/streamlit/config.py

@@ -328,18 +328,6 @@ def _global_development_mode() -> bool:
     )
 
 
-_create_option(
-    "global.logLevel",
-    description="""Level of logging: 'error', 'warning', 'info', or 'debug'.
-
-    Default: 'info'
-    """,
-    deprecated=True,
-    deprecation_text="global.logLevel has been replaced with logger.level",
-    expiration_date="2020-11-30",
-    replaced_by="logger.level",
-)
-
 _create_option(
     "global.e2eTest",
     description="Are we in an e2e (playwright) test? Set automatically when our e2e tests are running.",
@@ -401,21 +389,6 @@ def _global_development_mode() -> bool:
     type_=bool,
 )
 
-_create_option(
-    "global.dataFrameSerialization",
-    description="""
-        DataFrame serialization.
-
-        Acceptable values:
-        - 'legacy': Serialize DataFrames using Streamlit's custom format. Slow
-          but battle-tested.
-        - 'arrow': Serialize DataFrames using Apache Arrow. Much faster and versatile.""",
-    default_val="arrow",
-    type_=str,
-    deprecated=True,
-    deprecation_text="Legacy serialization has been removed. All dataframes will be serialized using Apache Arrow.",
-    expiration_date="2023-11-01",
-)
 
 # Config Section: Logger #
 _create_section("logger", "Settings to customize Streamlit log messages.")
@@ -427,9 +400,7 @@ def _logger_log_level() -> str:
 
     Default: 'info'
     """
-    if get_option("global.logLevel"):
-        return str(get_option("global.logLevel"))
-    elif get_option("global.developmentMode"):
+    if get_option("global.developmentMode"):
         return "debug"
     else:
         return "info"
@@ -925,17 +896,6 @@ def _browser_server_port() -> int:
     visibility="hidden",
 )
 
-_create_option(
-    "ui.hideSidebarNav",
-    description="Flag to hide the sidebar page navigation component.",
-    default_val=False,
-    type_=bool,
-    deprecated=True,
-    deprecation_text="ui.hideSidebarNav has been deprecated and replaced with client.showSidebarNavigation. It will be removed in a future version.",
-    expiration_date="2024-01-20",
-    visibility="hidden",
-)
-
 
 # Config Section: Mapbox #
 
@@ -986,28 +946,6 @@ def _browser_server_port() -> int:
 
 _create_section("deprecation", "Configuration to show or hide deprecation warnings.")
 
-_create_option(
-    "deprecation.showfileUploaderEncoding",
-    description="Set to false to disable the deprecation warning for the file uploader encoding.",
-    default_val=True,
-    scriptable=True,
-    type_=bool,
-    deprecated=True,
-    deprecation_text="deprecation.showfileUploaderEncoding has been deprecated and will be removed in a future version.",
-    expiration_date="2021-01-06",
-)
-
-_create_option(
-    "deprecation.showImageFormat",
-    description="Set to false to disable the deprecation warning for the image format parameter.",
-    default_val=True,
-    scriptable=True,
-    type_=bool,
-    deprecated=True,
-    deprecation_text="The format parameter for st.image has been removed.",
-    expiration_date="2021-03-24",
-)
-
 _create_option(
     "deprecation.showPyplotGlobalUse",
     description="Set to false to disable the deprecation warning for using the global pyplot instance.",

lib/streamlit/runtime/app_session.py

@@ -883,8 +883,6 @@ def _populate_config_msg(msg: Config) -> None:
     msg.max_cached_message_age = config.get_option("global.maxCachedMessageAge")
     msg.allow_run_on_save = config.get_option("server.allowRunOnSave")
     msg.hide_top_bar = config.get_option("ui.hideTopBar")
-    # ui.hideSidebarNav is deprecated, will be removed in the future
-    msg.hide_sidebar_nav = config.get_option("ui.hideSidebarNav")
     if config.get_option("client.showSidebarNavigation") is False:
         msg.hide_sidebar_nav = True
     msg.toolbar_mode = _get_toolbar_mode()

lib/tests/streamlit/config_test.py

@@ -348,22 +348,18 @@ def test_config_option_keys(self):
                 "theme.secondaryBackgroundColor",
                 "theme.textColor",
                 "theme.font",
-                "deprecation.showfileUploaderEncoding",
-                "deprecation.showImageFormat",
                 "deprecation.showPyplotGlobalUse",
                 "global.appTest",
                 "global.developmentMode",
                 "global.disableWatchdogWarning",
                 "global.disableWidgetStateDuplicationWarning",
                 "global.e2eTest",
-                "global.logLevel",
                 "global.maxCachedMessageAge",
                 "global.minCachedMessageSize",
                 "global.showWarningOnDirectExecution",
                 "global.storeCachedForwardMessagesInMemory",
                 "global.suppressDeprecationWarnings",
                 "global.unitTest",
-                "global.dataFrameSerialization",
                 "logger.enableRich",
                 "logger.level",
                 "logger.messageFormat",
@@ -397,7 +393,6 @@ def test_config_option_keys(self):
                 "server.sslCertFile",
                 "server.sslKeyFile",
                 "ui.hideTopBar",
-                "ui.hideSidebarNav",
             ]
         )
         keys = sorted(config._config_options.keys())

proto/streamlit/proto/NewSession.proto

@@ -113,7 +113,7 @@ message Config {
   // See config option "ui.hideTopBar".
   bool hide_top_bar = 6;
 
-  // See config option "ui.hideSidebarNav".
+  // See config option "client.showSidebarNavigation".
   bool hide_sidebar_nav = 7;
 
   // See config option "client.toolbarMode".