Update decorator to work with all aliases

pygmt/helpers/decorators.py

@@ -8,9 +8,9 @@
 import functools
 import textwrap
 import warnings
+from inspect import Parameter, signature
 
 import numpy as np
-from inspect import signature, Parameter
 from pygmt.exceptions import GMTInvalidInput
 from pygmt.helpers.utils import is_nonstr_iter
 
@@ -328,17 +328,24 @@ def new_module(*args, **kwargs):
  return alias_decorator
 
 
-
 def tab_complete_alias(module_func):
  """
- Decorator injecting aliases of a method as attributes
+ Decorator injecting aliases into the signature of a method.
  """
 
+ # Get current signature and parameters
  sig = signature(module_func)
- param = Parameter("verbose",kind=Parameter.POSITIONAL_OR_KEYWORD,default=None)
  wrapped_params = [param for param in sig.parameters.values()]
  kwargs_param = wrapped_params.pop(-1)
- all_params = wrapped_params + [param] + [kwargs_param]
+ # Add new parameters from aliases
+ for alias in module_func.aliases.values():
+ if alias not in sig.parameters.keys():
+ new_param = Parameter(
+ alias, kind=Parameter.POSITIONAL_OR_KEYWORD, default=None
+ )
+ wrapped_params = wrapped_params + [new_param]
+ all_params = wrapped_params + [kwargs_param]
+ # Update method signature
  sig_new = sig.replace(parameters=all_params)
  module_func.__signature__ = sig_new