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import os
import shutil
import subprocess
import infra
class Builder(object):
def __init__(self, config, builddir, logtofile):
self.config = '\n'.join([line.lstrip() for line in
config.splitlines()]) + '\n'
self.builddir = builddir
self.logfile = infra.open_log_file(builddir, "build", logtofile)
def configure(self, make_extra_opts=[], make_extra_env={}):
"""Configure the build.
make_extra_opts: a list of arguments to be passed to the make
command.
e.g. make_extra_opts=["BR2_EXTERNAL=/path"]
make_extra_env: a dict of variables to be appended (or replaced)
in the environment that calls make.
e.g. make_extra_env={"BR2_DL_DIR": "/path"}
"""
if not os.path.isdir(self.builddir):
os.makedirs(self.builddir)
config_file = os.path.join(self.builddir, ".config")
with open(config_file, "w+") as cf:
cf.write(self.config)
# dump the defconfig to the logfile for easy debugging
self.logfile.write("> start defconfig\n" + self.config +
"> end defconfig\n")
self.logfile.flush()
env = {"PATH": os.environ["PATH"]}
env.update(make_extra_env)
cmd = ["make",
"O={}".format(self.builddir)]
cmd += make_extra_opts
cmd += ["olddefconfig"]
ret = subprocess.call(cmd, stdout=self.logfile, stderr=self.logfile,
env=env)
if ret != 0:
raise SystemError("Cannot olddefconfig")
def build(self, make_extra_opts=[], make_extra_env={}):
"""Perform the build.
make_extra_opts: a list of arguments to be passed to the make
command. It can include a make target.
e.g. make_extra_opts=["foo-source"]
make_extra_env: a dict of variables to be appended (or replaced)
in the environment that calls make.
e.g. make_extra_env={"BR2_DL_DIR": "/path"}
"""
env = {"PATH": os.environ["PATH"]}
if "http_proxy" in os.environ:
self.logfile.write("Using system proxy: " +
os.environ["http_proxy"] + "\n")
env['http_proxy'] = os.environ["http_proxy"]
env['https_proxy'] = os.environ["http_proxy"]
env.update(make_extra_env)
cmd = ["make", "-C", self.builddir]
cmd += make_extra_opts
ret = subprocess.call(cmd, stdout=self.logfile, stderr=self.logfile,
env=env)
if ret != 0:
raise SystemError("Build failed")
open(self.stamp_path(), 'a').close()
def stamp_path(self):
return os.path.join(self.builddir, "build-done")
def is_finished(self):
return os.path.exists(self.stamp_path())
def delete(self):
if os.path.exists(self.builddir):
shutil.rmtree(self.builddir)
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