feat(patch_applicator): add -from-configuration-file flag

discopop_library/PatchApplicator/PatchApplicatorArguments.py

@@ -5,6 +5,7 @@
 # This software may be modified and distributed under the terms of
 # the 3-Clause BSD License.  See the LICENSE file in the package base
 # directory for details.
+import json
 import sys
 from dataclasses import dataclass
 from typing import List
@@ -20,8 +21,11 @@ class PatchApplicatorArguments(object):
     clear: bool
     load: bool
     list: bool
+    from_configuration_file: str
 
     def __post_init__(self):
+        if self.from_configuration_file != "None":
+            self.__translate_from_configuration_file()
         self.__validate()
 
     def __validate(self):
@@ -48,3 +52,9 @@ def __validate(self):
         if exit_required:
             print("Exiting.")
             sys.exit(0)
+
+    def __translate_from_configuration_file(self):
+        with open(self.from_configuration_file, "r") as f:
+            config = json.load(f)
+        self.apply = [str(config["pattern_id"])]
+        self.from_configuration_file = "None"

discopop_library/PatchApplicator/__main__.py

@@ -32,6 +32,10 @@ def parse_args() -> PatchApplicatorArguments:
     parser.add_argument('-C', '--clear', action="store_true", help="Reset the code to it's original state. Preserves "
                                                                    "the list of applied suggestion for loading."
                                                                    "Old saves will be overwritten!")
+    parser.add_argument(
+        "-fcf", "--from-configuration-file", type=str, default="None",
+        help="Apply patch described by the given configuration file."
+    )
     # todo: in the long run, saving configurations to different locations could be easily implemented.
 
     parser.add_argument('-L', '--load', action="store_true", help="Load a previous state after clearing.")
@@ -49,6 +53,7 @@ def parse_args() -> PatchApplicatorArguments:
         clear=arguments.clear,
         load=arguments.load,
         list=arguments.list,
+        from_configuration_file=arguments.from_configuration_file,
     )