library/python/symbols/module/__init__.py


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import subprocess 
 
from collections import defaultdict 
 
from .syms import syms 
 
 
def gen_builtin(): 
    res = defaultdict(dict) 
 
    for k, v in syms.items(): 
        mod, sym = k.split('|') 
 
        res[mod][sym] = v 
 
    return res 
 
 
builtin_symbols = gen_builtin() 
caps = builtin_symbols['_capability'] 
 
 
def find_library(name, find_next): 
    subst = { 
        'rt': 'c', 
        'pthread': 'c', 
        'm': 'c', 
    } 
 
    builtin = builtin_symbols.get(subst.get(name, name)) 
 
    if builtin: 
        return { 
            'name': name, 
            'symbols': builtin, 
        } 
 
    if 'musl' in caps: 
        return None 
 
    try: 
        subprocess.Popen.__patched__ 
 
        return None 
    except Exception: 
        pass 
 
    return find_next(name)