import os

import sys

def _supports_long_paths() -> bool:

if sys.platform != 'win32':

return True

try:

dll = WinDLL('ntdll')

except OSError:

return False

if not hasattr(dll, 'RtlAreLongPathsEnabled'):

return False

dll.RtlAreLongPathsEnabled.restype = c_bool

return dll.RtlAreLongPathsEnabled()

def _win_prepare_path(path: str) -> str:

"""Given a windows path, prepare it for use by making sure it is absolute

and normalized.

https://github.com/dbt-labs/dbt-core/blob/7f953a6d48a4db254b17fd3929d267e4b6069228/core/dbt/clients/system.py#L216

"""

path = os.path.normpath(path)

if not path.startswith('\\\\') and path.startswith('\\'):

curdrive = os.path.splitdrive(os.getcwd())[0]

path = curdrive + path

if not os.path.splitdrive(path)[0]:

path = os.path.join(os.getcwd(), path)

return path

def convert_path(path: str) -> str:

"""

Convert a path which might be >260 characters long, to one that will be writable/readable on Windows.

On other platforms, this is a no-op.

https://github.com/dbt-labs/dbt-core/blob/7f953a6d48a4db254b17fd3929d267e4b6069228/core/dbt/clients/system.py#L261

"""

if len(path) < 250:

return path

if _supports_long_paths():

return path

prefix = "\\\\?\\"

if path.startswith(prefix):

return path

path = _win_prepare_path(path)

if not path.startswith(prefix):

path = prefix + path

return path

def load_file_contents_as_string(path: str, strip: bool = True) -> str:

path = convert_path(path)

with open(path, 'rb') as handle:

to_return = handle.read().decode('utf-8')

if strip:

to_return = to_return.strip()

return to_return