diff options
Diffstat (limited to 'packaging-tools/bldinstallercommon.py')
| -rw-r--r-- | packaging-tools/bldinstallercommon.py | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/packaging-tools/bldinstallercommon.py b/packaging-tools/bldinstallercommon.py index 05a8bee75..f039d484a 100644 --- a/packaging-tools/bldinstallercommon.py +++ b/packaging-tools/bldinstallercommon.py @@ -29,6 +29,7 @@ # ############################################################################# +import ctypes import errno import os import re @@ -56,15 +57,33 @@ from logging_util import init_logger from runner import run_cmd from threadedwork import Task, ThreadedWork -# need to include this for win platforms as long path names cause problems -if is_windows(): - import win32api # type: ignore # pylint: disable=E0401 - log = init_logger(__name__, debug_mode=False) MAX_DEBUG_PRINT_LENGTH = 10000 +def is_long_path_supported() -> bool: + """ + Check whether long paths (~260+) are supported by the current environment + + On Windows, the limitations can be removed via Group Policy or Registry Key + For more information on Windows API maximum path length limitations, see: + https://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation + + Returns: + bool: whether the current process environment has path limitation disabled (Windows) + True: non-Windows platforms + """ + if not is_windows(): + return True + ntdll = ctypes.WinDLL('ntdll') # type: ignore # false positive mypy + if not hasattr(ntdll, 'RtlAreLongPathsEnabled'): + return False + ntdll.RtlAreLongPathsEnabled.restype = ctypes.c_ubyte + ntdll.RtlAreLongPathsEnabled.argtypes = () + return bool(ntdll.RtlAreLongPathsEnabled()) + + def file_uri_to_path(uri: str) -> Path: """ Convert file:// uris and string paths to pathlib path @@ -173,10 +192,6 @@ def search_for_files( # function ############################### def move_tree(srcdir: str, dstdir: str, pattern: Optional[str] = None) -> None: - # windows has length limit for path names so try to truncate them as much as possible - if is_windows(): - srcdir = win32api.GetShortPathName(srcdir) - dstdir = win32api.GetShortPathName(dstdir) # dstdir must exist first srcnames = os.listdir(srcdir) for name in srcnames: @@ -202,10 +217,6 @@ def move_tree(srcdir: str, dstdir: str, pattern: Optional[str] = None) -> None: # function ############################### def copy_tree(source_dir: str, dest_dir: str) -> None: - # windows has length limit for path names so try to truncate them as much as possible - if is_windows(): - source_dir = win32api.GetShortPathName(source_dir) - dest_dir = win32api.GetShortPathName(dest_dir) src_files = os.listdir(source_dir) for file_name in src_files: full_file_name = os.path.join(source_dir, file_name) @@ -253,7 +264,7 @@ def handle_remove_readonly( def remove_tree(path: str) -> bool: if os.path.isdir(path) and os.path.exists(path): if is_windows(): - path = win32api.GetShortPathName(path.replace('/', '\\')) + path = path.replace('/', '\\') # a funny thing is that rmdir does not set an exitcode it is just using the last set one try: cmd = ['rmdir', path, '/S', '/Q'] |