Best-effort attempt at finding libssl (#1167)

This commit is contained in:
Lonami Exo 2019-04-30 16:22:19 +02:00
parent 1ead9757d3
commit 1dc6d226b7

View File

@ -4,12 +4,39 @@ Helper module around the system's libssl library if available for IGE mode.
import ctypes
import ctypes.util
import logging
import os
__log__ = logging.getLogger(__name__)
lib = ctypes.util.find_library('ssl')
# This is a best-effort attempt at finding the full real path of lib.
#
# Unfortunately ctypes doesn't tell us *where* it finds the library,
# so we have to do that ourselves.
try:
# This is not documented, so it could fail. Be on the safe side.
import ctypes.macholib.dyld
paths = ctypes.macholib.dyld.DEFAULT_LIBRARY_FALLBACK
except (ImportError, AttributeError):
paths = [
os.path.expanduser("~/lib"),
"/usr/local/lib",
"/lib",
"/usr/lib",
]
for path in paths:
if os.path.isdir(path):
for root, _, files in os.walk(path):
if lib in files:
# Manually follow symbolic links on *nix systems.
# Fix for https://github.com/LonamiWebs/Telethon/issues/1167
lib = os.path.realpath(os.path.join(root, lib))
break
try:
if not lib:
raise OSError('no library called "ssl" found')