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import os
import re
from pathlib import Path
from typing import Union
from urllib.parse import unquote, urlparse
RE_PATH_ANCHOR = r"^file://([^/]+|/[A-Z]:)"
def normalized_uri(root_dir):
"""Attempt to make an LSP rootUri from a ContentsManager root_dir
Special care must be taken around windows paths: the canonical form of
windows drives and UNC paths is lower case
"""
root_uri = Path(root_dir).expanduser().resolve().as_uri()
root_uri = re.sub(
RE_PATH_ANCHOR, lambda m: "file://{}".format(m.group(1).lower()), root_uri
)
return root_uri
def file_uri_to_path(file_uri):
"""Return a path string for give file:/// URI.
Respect the different path convention on Windows.
Based on https://stackoverflow.com/a/57463161/6646912, BSD 0
"""
windows_path = os.name == "nt"
file_uri_parsed = urlparse(file_uri)
file_uri_path_unquoted = unquote(file_uri_parsed.path)
if windows_path and file_uri_path_unquoted.startswith("/"):
result = file_uri_path_unquoted[1:] # pragma: no cover
else:
result = file_uri_path_unquoted # pragma: no cover
return result
def is_relative(root: Union[str, Path], path: Union[str, Path]) -> bool:
"""Return if path is relative to root"""
try:
Path(path).resolve().relative_to(Path(root).resolve())
return True
except ValueError:
return False