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#!/usr/bin/env python3
import re
import os
import sys
import subprocess
# EXEs to scan for dependencies
exepaths = [ ]
deps = { }
# look for argv
sit = iter(sys.argv)
next(sit) # toss argv[0]
class DepInfo:
slname = None
modpath = None
exepath = None
rpath = None
loaderpath = None # @loader_path
dependencies = None
def __init__(self,modpath=None,exepath=None,slname=None):
self.modpath = str(modpath)
self.slname = slname
self.loaderpath = None
self.rpath = [ ]
self.exepath = exepath;
if not modpath == None:
self.loaderpath = os.path.basename(modpath)
self.dependencies = [ ]
def __str__(self):
return "[modpath="+str(self.modpath)+",loaderpath="+str(self.loaderpath)+",exepath="+str(self.exepath)+"]"
def help():
print("appbundledeps.py --exe <exe>")
def GetDepList(exe,modpath=None,exepath=None):
rl = [ ]
rpath = [ ]
#
p = subprocess.Popen(["otool","-l",exe],stdout=subprocess.PIPE,encoding="utf8")
ldcmd = None
for lin in p.stdout:
lin = lin.strip().split(' ')
if len(lin) == 0:
continue
if lin[0] == "cmd" and len(lin) > 1:
ldcmd = lin[1]
if lin[0] == "path" and len(lin) > 1 and not lin[1] == "" and ldcmd == "LC_RPATH":
rpath.append(lin[1])
#
p = subprocess.Popen(["otool","-L",exe],stdout=subprocess.PIPE,encoding="utf8")
for lin in p.stdout:
if lin == None or lin == "":
continue
# we're looking for anything where the first char is tab
if not lin[0] == '\t':
continue
#
lin = lin.strip().split(' ')
if len(lin) == 0:
continue
deppath = lin[0].split('/')
#
if deppath[0] == "@rpath":
if len(rpath) > 0:
deppath = rpath[0].split('/') + deppath[1:]
#
if deppath[0] == "@loader_path":
deppath = os.path.dirname(modpath).split('/') + deppath[1:]
# dosbox-x refers to the name of the dylib symlink not the raw name, store that name!
slname = deppath[-1]
# NTS: Realpath is needed because Brew uses symlinks and .. rel path resolution will fail trying to access /opt/opt/...
if len(deppath[0]) > 0 and deppath[0][0] == "@":
deppath = '/'.join(deppath)
else:
deppath = os.path.realpath('/'.join(deppath))
if deppath == None:
raise Exception("Unable to resolve")
#
di = DepInfo(modpath=deppath,exepath=exepath,slname=slname)
di.rpath = rpath
rl.append(di)
#
p.terminate()
return rl
while True:
try:
n = next(sit)
if n == '--exe':
exepaths.append(os.path.realpath(next(sit)))
elif n == '-h' or n == '--help':
help()
sys.exit(1)
else:
print("Unknown switch "+n)
sys.exit(1)
except StopIteration:
break
if len(exepaths) == 0:
print("Must specify EXE")
sys.exit(1)
for exe in exepaths:
dl = GetDepList(exe,modpath=exe,exepath=exe)
for dep in dl:
if not dep.modpath in deps:
dep.dependencies = GetDepList(dep.modpath,modpath=dep.modpath,exepath=exe)
deps[dep.modpath] = dep
while True:
newdeps = 0
tdeps = deps.copy()
for deppath in tdeps:
depobj = deps[deppath]
for dep in depobj.dependencies:
if not dep.modpath in deps:
newdeps += 1
dep.dependencies = GetDepList(dep.modpath,modpath=dep.modpath,exepath=exe)
deps[dep.modpath] = dep
#
if newdeps == 0:
break
for deppath in deps:
# do not list /usr/lib or /System libraries, only /opt (Brew) dependencies
# TODO: Make an option to list them if wanted
if re.match(r"^/opt/",deppath) or re.match(r"^/usr/local/Cellar/",deppath):
depobj = deps[deppath]
print(str(deppath)+"\t"+str(depobj.slname))
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