implement a 'path-strip' option

docs/configuration.rst

@@ -245,6 +245,24 @@ Description
     escaped with backslashes, e.g. ``"\\[\\]"``
 
 
+extractor.*.path-strip
+----------------------
+Type
+    ``string``
+Default
+    ``"auto"``
+Description
+    Set of characters to remove from the end of generated path segment names
+    using `str.rstrip() <https://docs.python.org/3/library/stdtypes.html#str.rstrip>`_
+
+    Special values:
+
+    * ``"auto"``: Use characters from ``"unix"`` or ``"windows"``
+      depending on the local operating system
+    * ``"unix"``: ``""``
+    * ``"windows"``: ``". "``
+
+
 extractor.*.extension-map
 -------------------------
 Type

docs/gallery-dl.conf

@@ -23,6 +23,7 @@
         "path-restrict": "auto",
         "path-replace": "_",
         "path-remove": "\\u0000-\\u001f\\u007f",
+        "path-strip": "auto",
         "extension-map": {
             "jpeg": "jpg",
             "jpe" : "jpg",

gallery_dl/util.py

@@ -849,6 +849,15 @@ class PathFormat():
         remove = config("path-remove", "\x00-\x1f\x7f")
         self.clean_path = self._build_cleanfunc(remove, "")
 
+        strip = config("path-strip", "auto")
+        if strip == "auto":
+            strip = ". " if WINDOWS else ""
+        elif strip == "unix":
+            strip = ""
+        elif strip == "windows":
+            strip = ". "
+        self.strip = strip
+
         basedir = extractor._parentdir
         if not basedir:
             basedir = config("base-directory")
@@ -982,13 +991,14 @@ class PathFormat():
         """Apply 'kwdict' to directory format strings"""
         segments = []
         append = segments.append
+        strip = self.strip
 
         try:
             for formatter in self.directory_formatters:
                 segment = formatter(kwdict).strip()
-                if WINDOWS:
+                if strip:
                     # remove trailing dots and spaces (#647)
-                    segment = segment.rstrip(". ")
+                    segment = segment.rstrip(strip)
                 if segment:
                     append(self.clean_segment(segment))
             return segments
@@ -998,6 +1008,7 @@ class PathFormat():
     def build_directory_conditional(self, kwdict):
         segments = []
         append = segments.append
+        strip = self.strip
 
         try:
             for condition, formatters in self.directory_conditions:
@@ -1007,8 +1018,8 @@ class PathFormat():
                 formatters = self.directory_formatters
             for formatter in formatters:
                 segment = formatter(kwdict).strip()
-                if WINDOWS:
+                if strip:
-                    segment = segment.rstrip(". ")
+                    segment = segment.rstrip(strip)
                 if segment:
                     append(self.clean_segment(segment))
             return segments