Update config and exceptions in python sdk for tp configs

Signed-off-by: Andrea Gunderson <[email protected]>

sdk/python/sawtooth_sdk/processor/config.py

@@ -96,6 +96,29 @@ def _get_log_config(filename=None):
     return None
 
 
+def _get_processor_config(filename=None):
+    """Determines if there is a proccesor config in the config directory
+       and returns it. If it does not exist, return None.
+
+    Arguments:
+        filename (str): The name of the processor config specific to the
+            transaction processor that is being started.
+
+    Returns:
+        processor_config (dict): The dictionary to set transaction processor
+    """
+
+    if filename is not None:
+
+        conf_file = os.path.join(get_config_dir(), filename)
+        if os.path.exists(conf_file):
+            with open(conf_file) as fd:
+                raw_config = fd.read()
+                log_config = toml.loads(raw_config)
+                return log_config
+    return None
+
+
 def get_log_dir():
     """Returns the configured data directory."""
     return _get_dir(
@@ -108,3 +131,8 @@ def get_log_dir():
 def get_log_config(filename=None):
     """Returns the log config dictinary if it exists."""
     return _get_log_config(filename)
+
+
+def get_processor_config(filename=None):
+    """Returns the log config dictinary if it exists."""
+    return _get_processor_config(filename)

sdk/python/sawtooth_sdk/processor/exceptions.py

@@ -43,3 +43,8 @@ class InternalError(_TpResponseError):
 class AuthorizationException(Exception):
     """Raised when a authorization error occurs."""
     pass
+
+
+class LocalConfigurationError(Exception):
+    """Raised when a log configuraiton error occurs."""
+    pass

sdk/python/sawtooth_sdk/processor/log.py

@@ -21,6 +21,11 @@
 
 
 def create_console_handler(verbose_level):
+    """
+    Set up the console logging for a transaction processor.
+    Args:
+        verbose_level (int): The log level that the console should print out
+    """
     clog = logging.StreamHandler()
     formatter = ColoredFormatter(
         "%(log_color)s[%(asctime)s.%(msecs)03d "
@@ -48,13 +53,25 @@ def create_console_handler(verbose_level):
     return clog
 
 
-def init_console_logging(verbose_level=2, capture_std_output=False):
+def init_console_logging(verbose_level=2):
+    """
+    Set up the console logging for a transaction processor.
+    Args:
+        verbose_level (int): The log level that the console should print out
+    """
     logger = logging.getLogger()
     logger.setLevel(logging.DEBUG)
     logger.addHandler(create_console_handler(verbose_level))
 
 
 def log_configuration(log_config=None, log_dir=None, name=None):
+    """
+    Sets up the loggers for a transaction processor.
+    Args:
+        log_config (dict): A dictinary of log config options
+        log_dir (string): The log directory's path
+        name (string): The name of the expected logging file
+    """
     if log_config is not None:
         logging.config.dictConfig(log_config)
     else: