Added docopt to CLI

pyproject.toml

@@ -32,6 +32,7 @@ dependencies = [
     "pytest",
     "Sphinx",
     "sphinx_rtd_theme",
+    "docopt",
 ]
 
 [project.urls]

src/pymcnp/cli/__init__.py

@@ -1,5 +1,6 @@
 from .ls import Ls
 from .run import Run
+from .inp import *
 
 __all__ = [
     "Ls",

src/pymcnp/cli/_io.py

@@ -34,7 +34,7 @@ def ERROR_INP_SYNTAX(msg: str) -> str:
 
 
 def get_timestamp() -> str:
-    return datetime.date.today().strftime("%Y-%m-%d--%H-%M-%S")
+    return datetime.datetime.today().strftime("%Y-%m-%d--%H-%M-%S")
 
 
 def error(msg):

src/pymcnp/cli/_save.py

@@ -5,7 +5,7 @@
 
 import os.path
 
-import pymcnp
+from ..files import inp
 
 
 class Save:
@@ -35,7 +35,7 @@ def get_save() -> dict:
             if not os.path.isfile(path):
                 continue
 
-            inpts[alias] = (path, pymcnp.inp.Inp.from_mcnp_file(path))
+            inpts[alias] = (path, inp.Inp.from_mcnp_file(path))
 
         return inpts
 
@@ -46,8 +46,7 @@ def set_save(inpts) -> None:
         """
 
         output = ""
-        for alias, value in inpts.items():
-            path, inpt = value
+        for alias, (path, inpt) in inpts.items():
             output += f"{alias} {path}\n"
 
         with open(Save.PYMCNP_SAVE_FILE, "w") as file:

src/pymcnp/cli/inp.py

@@ -0,0 +1,49 @@
+"""
+``inp`` provides utilities for aliasing PyMCNP INP objects.
+
+``inp`` contains the procedures for executing the ``pymcnp inp`` command. This
+module underpins the CLI by simplifying commands.
+"""
+
+
+import sys
+
+import docopt
+
+from .. import files
+from . import _io
+from . import _save
+
+
+PYMCNP_INP_DOC = f"""
+Usage:
+    pymcnp inp ((--read <alias> <file>)|(--delete <alias>))
+
+Options:
+    -r --read       Read INP file and create alias.
+    -d --delete     Delete alias.
+"""
+
+
+def main(argv: list[str] = sys.argv[1:]) -> None:
+    """
+    ``main`` executes the ``pymcnp inp`` command.
+
+    ``main`` processes the given command line arguments, and creates or deletes
+    PyMCNP aliased INP objects.
+
+    Parameters:
+        argv: Tokenized list of CLI arguments.
+    """
+
+    args = docopt.docopt(PYMCNP_INP_DOC, argv=argv)
+    aliases = _save.Save.get_save()
+
+    if args["--read"]:
+        # Adding alias to save.
+        aliases[args["<alias>"]] = (args["<file>"], files.inp.Inp.from_mcnp_file(args["<file>"]))
+    elif args["--delete"]:
+        # Removing alias from save.
+        aliases.pop(args["<alias>"])
+
+    _save.Save.set_save(aliases)