micropython-lib/ffilib/ffilib.py

30 wiersze
651 B
Python
Czysty Zwykły widok Historia

import sys
import ffi
_cache = {}
def open(name, maxver=10, extra=()):
try:
return _cache[name]
except KeyError:
pass
def libs():
if sys.platform == "linux":
yield '%s.so' % name
for i in range(maxver, -1, -1):
yield '%s.so.%u' % (name, i)
else:
for ext in ('dylib', 'dll'):
yield '%s.%s' % (name, ext)
for n in extra:
yield n
err = None
for n in libs():
try:
l = ffi.open(n)
_cache[name] = l
return l
except OSError as e:
err = e
raise err