Add support for using env variables

Author: saadmk11

README.md

@@ -27,6 +27,8 @@ pip install github-action-utils
 
 This section documents all the functions provided by `github-action-utils`. The functions in the package should be used inside a workflow run.
 
+**Note:** You can run the commands using python's `subprocess` module by using `use_subprocess` function parameter or `COMMANDS_USE_SUBPROCESS` environment variable.
+
 ### **`echo(message, use_subprocess=False)`**
 
 Prints specified message to the action workflow console.

github_action_utils.py

@@ -30,6 +30,8 @@
 ACTION_ENV_DELIMITER: str = "__ENV_DELIMITER__"
 COMMAND_MARKER: str = "::"
 
+COMMANDS_USE_SUBPROCESS: bool = bool(os.environ.get("COMMANDS_USE_SUBPROCESS", False))
+
 
 def _print_command(
     command: CommandTypes,
@@ -57,7 +59,7 @@ def _print_command(
         f"{COMMAND_MARKER}{command_message}"
     )
 
-    if use_subprocess:
+    if use_subprocess or COMMANDS_USE_SUBPROCESS:
         subprocess.run(["echo", full_command])
     else:
         print(full_command)
@@ -167,7 +169,7 @@ def echo(message: Any, use_subprocess: bool = False) -> None:
     """
     message = str(message)
 
-    if use_subprocess:
+    if use_subprocess or COMMANDS_USE_SUBPROCESS:
         subprocess.run(["echo", message])
     else:
         print(message)
@@ -381,7 +383,7 @@ def end_group(use_subprocess: bool = False) -> None:
     """
     message = f"{COMMAND_MARKER}endgroup{COMMAND_MARKER}"
 
-    if use_subprocess:
+    if use_subprocess or COMMANDS_USE_SUBPROCESS:
         subprocess.run(["echo", message])
     else:
         print(message)
@@ -451,7 +453,7 @@ def end_stop_commands(token: str, use_subprocess: bool = False) -> None:
     """
     message = f"{COMMAND_MARKER}{token}{COMMAND_MARKER}"
 
-    if use_subprocess:
+    if use_subprocess or COMMANDS_USE_SUBPROCESS:
         subprocess.run(["echo", message])
     else:
         print(message)