(#197) renaming external_files to extras in base.Bsp

bsp_tool/base.py

@@ -11,7 +11,7 @@ class Bsp:
     """Bsp base class"""
     branch: ModuleType  # soft copy of "branch script"
     endianness: str = "little"
-    external_files: Dict[str, io.BytesIO]  # file handles
+    extras: Dict[str, io.BytesIO]  # file handles
     file_magic: bytes = b"XBSP"
     # NOTE: XBSP is not a real bsp variant! this is just a placeholder
     filesize: int = 0  # size of .bsp in bytes
@@ -32,7 +32,7 @@ def __init__(self, branch: ModuleType, filepath: str = "untitled.bsp"):
         self.folder, self.filename = os.path.split(filepath)
         self.set_branch(branch)
         self.headers = dict()
-        self.external_files = dict()
+        self.extras = dict()
 
     def __enter__(self):
         return self
@@ -107,12 +107,9 @@ def lump_as_bytes(self, lump_name: str) -> bytes:
 
     def mount_file(self, filename: str, archive=None):
         if archive is None:
-            self.external_files[filename] = open(filename, "rb")
+            self.extras[filename] = open(filename, "rb")
         else:
-            self.external_files[filename] = io.BytesIO(archive.read(filename))
-
-    def unmount_file(self, filename: str):
-        self.external_files.pop(filename)
+            self.extras[filename] = io.BytesIO(archive.read(filename))
 
     def save_as(self, filename: str):
         """Expects outfile to be a file with write bytes capability"""
@@ -147,6 +144,9 @@ def set_branch(self, branch: ModuleType):
             method = MethodType(method, self)
             setattr(self, method_name, method)
 
+    def unmount_file(self, filename: str):
+        self.extras.pop(filename)
+
     @classmethod
     def from_archive(cls, branch: ModuleType, filepath: str, archive, mount_extras=False) -> Bsp:
         bsp = cls.from_bytes(branch, filepath, archive.read(filepath))