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import subprocess
import os
import process_command_files as pcf
def run(*args):
# print >>sys.stderr, args
return subprocess.check_output(list(args), shell=False).strip()
def gen_renames_1(d):
for l in d.split('\n'):
l = l.strip()
if ' ' in l:
yield l.split(' ')[-1]
def gen_renames_2(p, d):
for s in gen_renames_1(d):
yield s + ' ' + p + s
def gen_renames(p, d):
return '\n'.join(gen_renames_2(p, d)).strip() + '\n'
def rename_syms(where, ret, libs):
p = 'py2_'
# join libs
run(where + 'llvm-ar', 'qcL', ret, *libs)
# find symbols to rename
syms = run(where + 'llvm-nm', '--extern-only', '--defined-only', '-A', ret)
# prepare rename plan
renames = gen_renames(p, syms)
with open('syms', 'w') as f:
f.write(renames)
# rename symbols
run(where + 'llvm-objcopy', '--redefine-syms=syms', ret)
# back-rename some symbols
args = [
where + 'llvm-objcopy',
'--redefine-sym',
p + 'init_api_implementation=init6google8protobuf8internal19_api_implementation',
'--redefine-sym',
p + 'init_message=init6google8protobuf5pyext8_message',
'--redefine-sym',
p + 'init6google8protobuf8internal19_api_implementation=init6google8protobuf8internal19_api_implementation',
'--redefine-sym',
p + 'init6google8protobuf5pyext8_message=init6google8protobuf5pyext8_message',
'--redefine-sym',
p + '_init6google8protobuf8internal19_api_implementation=_init6google8protobuf8internal19_api_implementation',
'--redefine-sym',
p + '_init6google8protobuf5pyext8_message=_init6google8protobuf5pyext8_message',
ret,
]
run(*args)
return ret
def fix_py2(cmd, have_comand_files=False, prefix='lib', suffix='a'):
args = cmd
if have_comand_files:
args = pcf.get_args(cmd)
if 'protobuf_old' not in str(args):
return cmd
py2_libs = [prefix + 'contrib-libs-protobuf_old.' + suffix, prefix + 'pypython-protobuf-py2.' + suffix]
def need_rename(x):
for v in py2_libs:
if v in x:
return True
return False
old = []
lib = []
where = os.path.dirname(cmd[0]) + '/'
for x in args:
if need_rename(x):
lib.append(x)
else:
old.append(x)
name = rename_syms(where, 'libprotoherobora.' + suffix, lib)
if not have_comand_files:
return old + [name]
for file in cmd:
if pcf.is_cmdfile_arg(file):
cmd_file_path = pcf.cmdfile_path(file)
args = pcf.read_from_command_file(cmd_file_path)
if not 'protobuf_old' in str(args):
continue
with open(cmd_file_path, 'w') as afile:
for arg in args:
if not need_rename(arg):
afile.write(arg + '\n')
afile.write(name)
return cmd
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