put things somewhere else

reflex/compiler/compiler.py

@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-import os
 from datetime import datetime
 from pathlib import Path
 from typing import Dict, Iterable, Optional, Type, Union
@@ -16,7 +15,7 @@ from reflex.components.component import (
     CustomComponent,
     StatefulComponent,
 )
-from reflex.config import get_config
+from reflex.config import environment, get_config
 from reflex.state import BaseState
 from reflex.style import SYSTEM_COLOR_MODE
 from reflex.utils.exec import is_prod_mode
@@ -527,7 +526,7 @@ def remove_tailwind_from_postcss() -> tuple[str, str]:
 
 def purge_web_pages_dir():
     """Empty out .web/pages directory."""
-    if not is_prod_mode() and os.environ.get("REFLEX_PERSIST_WEB_DIR"):
+    if not is_prod_mode() and environment.REFLEX_PERSIST_WEB_DIR:
         # Skip purging the web directory in dev mode if REFLEX_PERSIST_WEB_DIR is set.
         return
 

reflex/config.py

@@ -286,6 +286,21 @@ class EnvironmentVariables:
     # The directory to store reflex dependencies.
     REFLEX_DIR: Path = Path(constants.Reflex.DIR)
 
+    # Whether to print the SQL queries if the log level is INFO or lower.
+    SQLALCHEMY_ECHO: bool = False
+
+    # Whether to ignore the redis config error. Some redis servers only allow out-of-band configuration.
+    REFLEX_IGNORE_REDIS_CONFIG_ERROR: bool = False
+
+    # Whether to skip purging the web directory in dev mode.
+    REFLEX_PERSIST_WEB_DIR: bool = False
+
+    # The reflex.build frontend host.
+    REFLEX_BUILD_FRONTEND: str = constants.Templates.REFLEX_BUILD_FRONTEND
+
+    # The reflex.build backend host.
+    REFLEX_BUILD_BACKEND: str = constants.Templates.REFLEX_BUILD_BACKEND
+
     def __init__(self):
         """Initialize the environment variables."""
         type_hints = get_type_hints(type(self))

reflex/constants/base.py

@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-import os
 import platform
 from enum import Enum
 from importlib import metadata
@@ -11,6 +10,8 @@ from types import SimpleNamespace
 
 from platformdirs import PlatformDirs
 
+from .utils import classproperty
+
 IS_WINDOWS = platform.system() == "Windows"
 
 
@@ -95,27 +96,51 @@ class Templates(SimpleNamespace):
     DEFAULT = "blank"
 
     # The reflex.build frontend host
-    REFLEX_BUILD_FRONTEND = os.environ.get(
-        "REFLEX_BUILD_FRONTEND", "https://flexgen.reflex.run"
-    )
+    REFLEX_BUILD_FRONTEND = "https://flexgen.reflex.run"
 
     # The reflex.build backend host
-    REFLEX_BUILD_BACKEND = os.environ.get(
-        "REFLEX_BUILD_BACKEND", "https://flexgen-prod-flexgen.fly.dev"
-    )
+    REFLEX_BUILD_BACKEND = "https://flexgen-prod-flexgen.fly.dev"
 
-    # The URL to redirect to reflex.build
-    REFLEX_BUILD_URL = (
-        REFLEX_BUILD_FRONTEND + "/gen?reflex_init_token={reflex_init_token}"
-    )
+    @classproperty
+    @classmethod
+    def REFLEX_BUILD_URL(cls):
+        """The URL to redirect to reflex.build.
 
-    # The URL to poll waiting for the user to select a generation.
-    REFLEX_BUILD_POLL_URL = REFLEX_BUILD_BACKEND + "/api/init/{reflex_init_token}"
+        Returns:
+            The URL to redirect to reflex.build.
+        """
+        from reflex.config import environment
 
-    # The URL to fetch the generation's reflex code
-    REFLEX_BUILD_CODE_URL = (
-        REFLEX_BUILD_BACKEND + "/api/gen/{generation_hash}/refactored"
-    )
+        return (
+            environment.REFLEX_BUILD_FRONTEND
+            + "/gen?reflex_init_token={reflex_init_token}"
+        )
+
+    @classproperty
+    @classmethod
+    def REFLEX_BUILD_POLL_URL(cls):
+        """The URL to poll waiting for the user to select a generation.
+
+        Returns:
+            The URL to poll waiting for the user to select a generation.
+        """
+        from reflex.config import environment
+
+        return environment.REFLEX_BUILD_BACKEND + "/api/init/{reflex_init_token}"
+
+    @classproperty
+    @classmethod
+    def REFLEX_BUILD_CODE_URL(cls):
+        """The URL to fetch the generation's reflex code.
+
+        Returns:
+            The URL to fetch the generation's reflex code.
+        """
+        from reflex.config import environment
+
+        return (
+            environment.REFLEX_BUILD_BACKEND + "/api/gen/{generation_hash}/refactored"
+        )
 
     class Dirs(SimpleNamespace):
         """Folders used by the template system of Reflex."""

reflex/constants/installer.py

@@ -5,9 +5,9 @@ from __future__ import annotations
 import platform
 from pathlib import Path
 from types import SimpleNamespace
-from typing import Any, Callable, Generic, Type, TypeVar
 
 from .base import IS_WINDOWS
+from .utils import classproperty
 
 
 def get_fnm_name() -> str | None:
@@ -32,34 +32,6 @@ def get_fnm_name() -> str | None:
     return None
 
 
-T = TypeVar("T")
-V = TypeVar("V")
-
-
-class classproperty(Generic[T, V]):
-    """A class property decorator."""
-
-    def __init__(self, getter: Callable[[Type[T]], V]) -> None:
-        """Initialize the class property.
-
-        Args:
-            getter: The getter function.
-        """
-        self.getter = getattr(getter, "__func__", getter)
-
-    def __get__(self, instance: Any, owner: Type[T]) -> V:
-        """Get the value of the class property.
-
-        Args:
-            instance: The instance of the class.
-            owner: The class itself.
-
-        Returns:
-            The value of the class property.
-        """
-        return self.getter(owner)
-
-
 # Bun config.
 class Bun(SimpleNamespace):
     """Bun constants."""

reflex/constants/utils.py

@@ -0,0 +1,32 @@
+"""Utility functions for constants."""
+
+from typing import Any, Callable, Generic, Type
+
+from typing_extensions import TypeVar
+
+T = TypeVar("T")
+V = TypeVar("V")
+
+
+class classproperty(Generic[T, V]):
+    """A class property decorator."""
+
+    def __init__(self, getter: Callable[[Type[T]], V]) -> None:
+        """Initialize the class property.
+
+        Args:
+            getter: The getter function.
+        """
+        self.getter = getattr(getter, "__func__", getter)
+
+    def __get__(self, instance: Any, owner: Type[T]) -> V:
+        """Get the value of the class property.
+
+        Args:
+            instance: The instance of the class.
+            owner: The class itself.
+
+        Returns:
+            The value of the class property.
+        """
+        return self.getter(owner)

reflex/model.py

@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-import os
 from collections import defaultdict
 from typing import Any, ClassVar, Optional, Type, Union
 
@@ -44,7 +43,7 @@ def get_engine(url: str | None = None) -> sqlalchemy.engine.Engine:
             "Database is not initialized, run [bold]reflex db init[/bold] first."
         )
     # Print the SQL queries if the log level is INFO or lower.
-    echo_db_query = os.environ.get("SQLALCHEMY_ECHO") == "True"
+    echo_db_query = environment.SQLALCHEMY_ECHO
     # Needed for the admin dash on sqlite.
     connect_args = {"check_same_thread": False} if url.startswith("sqlite") else {}
     return sqlmodel.create_engine(url, echo=echo_db_query, connect_args=connect_args)

reflex/state.py

@@ -8,7 +8,6 @@ import copy
 import dataclasses
 import functools
 import inspect
-import os
 import pickle
 import sys
 import uuid
@@ -64,6 +63,7 @@ from redis.exceptions import ResponseError
 import reflex.istate.dynamic
 from reflex import constants
 from reflex.base import Base
+from reflex.config import environment
 from reflex.event import (
     BACKGROUND_TASK_MARKER,
     Event,
@@ -3272,11 +3272,7 @@ class StateManagerRedis(StateManager):
             )
         except ResponseError:
             # Some redis servers only allow out-of-band configuration, so ignore errors here.
-            ignore_config_error = os.environ.get(
-                "REFLEX_IGNORE_REDIS_CONFIG_ERROR",
-                None,
-            )
-            if not ignore_config_error:
+            if not environment.REFLEX_IGNORE_REDIS_CONFIG_ERROR:
                 raise
         async with self.redis.pubsub() as pubsub:
             await pubsub.psubscribe(lock_key_channel)