Files
dmlc--dgl/python/dgl/_ffi/libinfo.py
T
2026-07-13 13:35:51 +08:00

109 lines
3.2 KiB
Python

"""Library information."""
from __future__ import absolute_import
import os
import pathlib
import sys
def find_lib_path(name=None, search_path=None, optional=False):
"""Find dynamic library files.
Parameters
----------
name : list of str
List of names to be found.
Returns
-------
lib_path : list(string)
List of all found path to the libraries
"""
# See https://github.com/dmlc/tvm/issues/281 for some background.
# NB: This will either be the source directory (if DGL is run
# inplace) or the install directory (if DGL is installed).
# An installed DGL's curr_path will look something like:
# $PREFIX/lib/python3.6/site-packages/dgl/_ffi
ffi_dir = os.path.dirname(os.path.abspath(os.path.expanduser(__file__)))
source_dir = os.path.join(ffi_dir, "..", "..", "..")
install_lib_dir = os.path.join(ffi_dir, "..", "..", "..", "..")
dll_path = []
if os.environ.get("DGL_LIBRARY_PATH", None):
dll_path.append(os.environ["DGL_LIBRARY_PATH"])
if sys.platform.startswith("linux") and os.environ.get(
"LD_LIBRARY_PATH", None
):
dll_path.extend(
[p.strip() for p in os.environ["LD_LIBRARY_PATH"].split(":")]
)
elif sys.platform.startswith("darwin") and os.environ.get(
"DYLD_LIBRARY_PATH", None
):
dll_path.extend(
[p.strip() for p in os.environ["DYLD_LIBRARY_PATH"].split(":")]
)
# Pip lib directory
dll_path.append(os.path.join(ffi_dir, ".."))
# Default cmake build directory
dll_path.append(os.path.join(source_dir, "build"))
dll_path.append(os.path.join(source_dir, "build", "Release"))
# Default make build directory
dll_path.append(os.path.join(source_dir, "lib"))
dll_path.append(install_lib_dir)
if search_path is not None:
if isinstance(search_path, (list, tuple, set)):
dll_path = dll_path + list(search_path)
elif isinstance(search_path, str):
dll_path.append(search_path)
else:
raise ValueError(
"type(search_path)={} is invalid".format(type(search_path))
)
dll_path = [
str(x.absolute()) if isinstance(x, pathlib.Path) else os.path.abspath(x)
for x in dll_path
]
if name is None:
if sys.platform.startswith("win32"):
name = ["libdgl.dll", "dgl.dll"]
elif sys.platform.startswith("darwin"):
name = "libdgl.dylib"
else:
name = "libdgl.so"
if isinstance(name, str):
name = [name]
lib_dll_path = []
for n in name:
lib_dll_path += [os.path.join(p, n) for p in dll_path]
lib_found = [p for p in lib_dll_path if os.path.isfile(p)]
if not lib_found:
message = (
"Cannot find the files.\n"
+ "List of candidates:\n"
+ str("\n".join(lib_dll_path))
)
if not optional:
raise RuntimeError(message)
return None
return lib_found
# current version
# We use the version of the incoming release for code
# that is under development.
# The following line is set by dgl/python/update_version.py
__version__ = "2.5"