Location: fix file URL parsing for windows

Author: ThomasWaldmann

src/borg/helpers/parseformat.py

@@ -17,6 +17,7 @@
 from string import Formatter
 
 from ..logger import create_logger
+from ..platformflags import is_windows
 
 logger = create_logger()
 
@@ -439,8 +440,9 @@ class Location:
         (?P<path>.+)
     """
 
-    # abs_path must start with a slash.
-    abs_path_re = r"(?P<path>/.+)"
+    abs_path_re_posix = r"(?P<path>/.+)"  # abs path must start with a slash.
+    abs_path_re_win = r"(?P<path>[a-zA-Z]:/.+)"  # abs path must start with drive : slash.
+    abs_path_re = abs_path_re_win if is_windows else abs_path_re_posix
 
     # path may or may not start with a slash.
     abs_or_rel_path_re = r"(?P<path>.+)"
@@ -458,7 +460,8 @@ class Location:
 
     rclone_re = re.compile(r"(?P<proto>rclone):(?P<path>(.*))", re.VERBOSE)
 
-    file_or_socket_re = re.compile(r"(?P<proto>(file|socket))://" + abs_path_re, re.VERBOSE)
+    sep = r"/" if is_windows else r""  # on windows, an addtl. slash is needed
+    file_or_socket_re = re.compile(r"(?P<proto>(file|socket))://" + sep + abs_path_re, re.VERBOSE)
 
     local_re = re.compile(local_path_re, re.VERBOSE)
 

src/borg/platformflags.py

@@ -8,6 +8,8 @@
 
 is_win32 = sys.platform.startswith("win32")
 is_cygwin = sys.platform.startswith("cygwin")
+is_msys = sys.platform.startswith("msys")
+is_windows = is_win32 or is_cygwin or is_msys
 
 is_linux = sys.platform.startswith("linux")
 is_freebsd = sys.platform.startswith("freebsd")