def test_pex_builder():
# test w/ and w/o zipfile dists
with nested(temporary_dir(), make_distribution('p1',
zipped=True)) as (td, p1):
write_pex(td, exe_main, dists=[p1])
success_txt = os.path.join(td, 'success.txt')
PEX(td).run(args=[success_txt])
assert os.path.exists(success_txt)
with open(success_txt) as fp:
assert fp.read() == 'success'
# test w/ and w/o zipfile dists
with nested(temporary_dir(), temporary_dir(),
make_distribution('p1', zipped=True)) as (td1, td2, p1):
target_egg_dir = os.path.join(td2, os.path.basename(p1.location))
safe_mkdir(target_egg_dir)
with closing(zipfile.ZipFile(p1.location, 'r')) as zf:
zf.extractall(target_egg_dir)
p1 = DistributionHelper.distribution_from_path(target_egg_dir)
write_pex(td1, exe_main, dists=[p1])
success_txt = os.path.join(td1, 'success.txt')
PEX(td1).run(args=[success_txt])
assert os.path.exists(success_txt)
with open(success_txt) as fp:
assert fp.read() == 'success'
def main():
parser = configure_clp()
options, args = parser.parse_args()
verbosity = 5 if options.verbosity else -1
with Tracer.env_override(
PEX_VERBOSE=verbosity,
TWITTER_COMMON_PYTHON_HTTP=verbosity,
PYTHON_VERBOSE=verbosity):
pex_builder = build_pex(args, options)
if options.pex_name is not None:
log('Saving PEX file to %s' % options.pex_name, v=options.verbosity)
tmp_name = options.pex_name + '~'
safe_delete(tmp_name)
pex_builder.build(tmp_name)
os.rename(tmp_name, options.pex_name)
return 0
if options.platform != Platform.current():
log('WARNING: attempting to run PEX with differing platform!')
pex_builder.freeze()
log('Running PEX file at %s with args %s' % (pex_builder.path(), args), v=options.verbosity)
pex = PEX(pex_builder.path(), interpreter=pex_builder.interpreter)
return pex.run(args=list(args))
def execute(self):
if self.options.verbose:
print("Build operating on target: %s %s" %
(self.target,
'Extra targets: %s' % ' '.join(map(str, self.extra_targets))
if self.extra_targets else ''))
if self.options.resolve:
executor = PythonResolver([self.target] + self.extra_targets)
executor.dump()
return 0
executor = PythonChroot(self.target,
self.root_dir,
extra_targets=self.extra_targets,
conn_timeout=self.options.conn_timeout)
builder = executor.dump()
if self.options.pex:
pex_name = os.path.join(self.root_dir, 'dist',
'%s.pex' % self.target.name)
builder.build(pex_name)
print('Wrote %s' % pex_name)
return 0
else:
builder.freeze()
pex = PEX(builder.path())
po = pex.run(args=list(self.args), blocking=False)
try:
po.wait()
except KeyboardInterrupt:
po.send_signal(signal.SIGINT)
raise
def execute(self):
if self.options.pex and self.options.ipython:
self.error('Cannot specify both --pex and --ipython!')
if self.options.entry_point and self.options.ipython:
self.error('Cannot specify both --entry_point and --ipython!')
if self.options.verbose:
print('Build operating on target: %s %s' % (self.target,
'Extra targets: %s' % ' '.join(map(str, self.extra_targets)) if self.extra_targets else ''))
builder = PEXBuilder(tempfile.mkdtemp(), interpreter=self.interpreter,
pex_info=self.target.pexinfo if isinstance(self.target, PythonBinary) else None)
if self.options.entry_point:
builder.set_entry_point(self.options.entry_point)
if self.options.ipython:
if not self.config.has_section('python-ipython'):
self.error('No python-ipython sections defined in your pants.ini!')
builder.info.entry_point = self.config.get('python-ipython', 'entry_point')
if builder.info.entry_point is None:
self.error('Must specify entry_point for IPython in the python-ipython section '
'of your pants.ini!')
requirements = self.config.getlist('python-ipython', 'requirements', default=[])
for requirement in requirements:
self.extra_requirements.append(PythonRequirement(requirement))
executor = PythonChroot(
self.target,
self.root_dir,
builder=builder,
interpreter=self.interpreter,
extra_targets=self.extra_targets,
extra_requirements=self.extra_requirements,
conn_timeout=self.options.conn_timeout)
executor.dump()
if self.options.pex:
pex_name = os.path.join(self.root_dir, 'dist', '%s.pex' % self.target.name)
builder.build(pex_name)
print('Wrote %s' % pex_name)
return 0
else:
builder.freeze()
pex = PEX(builder.path(), interpreter=self.interpreter)
po = pex.run(args=list(self.args), blocking=False)
try:
return po.wait()
except KeyboardInterrupt:
po.send_signal(signal.SIGINT)
raise
def register_build_properties():
if not HAS_PEX:
return
rm = RootMetrics().scope('build')
try:
build_properties = PEX().info.build_properties
except PEX.NotFound:
return
for key, value in build_properties.items():
rm.register(Label(str(key), str(value)))
def _run_python_test(self, target):
po = None
rv = PythonTestResult.exception()
coverage_rc = None
coverage_enabled = 'PANTS_PY_COVERAGE' in os.environ
try:
builder = PEXBuilder(interpreter=self.interpreter)
builder.info.entry_point = target.entry_point
builder.info.ignore_errors = target._soft_dependencies
chroot = PythonChroot(target,
self.root_dir,
extra_targets=self.generate_test_targets(),
builder=builder,
platforms=('current', ),
interpreter=self.interpreter,
conn_timeout=self._conn_timeout)
builder = chroot.dump()
builder.freeze()
test_args = PythonTestBuilder.generate_junit_args(target)
test_args.extend(self.args)
if coverage_enabled:
coverage_rc, args = self.cov_setup(target, builder.chroot())
test_args.extend(args)
sources = [
os.path.join(target.target_base, source)
for source in target.sources
]
po = PEX(builder.path(), interpreter=self.interpreter).run(
args=test_args + sources, blocking=False, setsid=True)
# TODO(wickman) If coverage is enabled, write an intermediate .html that points to
# each of the coverage reports generated and webbrowser.open to that page.
rv = PythonTestBuilder.wait_on(po, timeout=target.timeout)
except Exception as e:
import traceback
print('Failed to run test!', file=sys.stderr)
traceback.print_exc()
rv = PythonTestResult.exception()
finally:
if coverage_rc:
os.unlink(coverage_rc)
if po and po.returncode != 0:
try:
os.killpg(po.pid, signal.SIGTERM)
except OSError as e:
if e.errno == errno.EPERM:
print("Unable to kill process group: %d" % po.pid)
elif e.errno != errno.ESRCH:
rv = PythonTestResult.exception()
self.successes[target._create_id()] = rv
return rv
def execute(self):
print("Build operating on target: %s %s" % (self.target,
'Extra targets: %s' % ' '.join(map(str, self.extra_targets)) if self.extra_targets else ''))
if self.options.resolve:
executor = PythonResolver(self.target, self.root_dir, extra_targets=self.extra_targets)
executor.dump()
return 0
executor = PythonChroot(self.target, self.root_dir, extra_targets=self.extra_targets)
builder = executor.dump()
if self.options.pex:
pex_name = os.path.join(self.root_dir, 'dist', '%s.pex' % self.target.name)
builder.build(pex_name)
print('Wrote %s' % pex_name)
return 0
else:
builder.freeze()
pex = PEX(builder.path())
return pex.run(args=list(self.args))
def _run_lint(self, target, args):
chroot = PythonChroot(target,
self.root_dir,
extra_targets=[
Target.get(
Address.parse(self.root_dir,
'3rdparty/python:pylint'))
])
builder = chroot.dump()
builder.info().entry_point = 'pylint.lint'
builder.freeze()
interpreter_args = [
'--rcfile=%s' %
os.path.join(self.root_dir, 'build-support', 'pylint', 'pylint.rc')
]
interpreter_args.extend(args or [])
sources = OrderedSet([])
target.walk(lambda trg: sources.update(trg.sources if hasattr(
trg, 'sources') and trg.sources is not None else []))
pex = PEX(builder.path())
pex.run(args=interpreter_args + list(sources), with_chroot=True)
def _run_python_tests(self, targets, stdout, stderr):
coverage_rc = None
coverage_enabled = 'PANTS_PY_COVERAGE' in os.environ
try:
builder = PEXBuilder(interpreter=self.interpreter)
builder.info.entry_point = 'pytest'
chroot = PythonChroot(
targets=targets,
extra_requirements=self._TESTING_TARGETS,
builder=builder,
platforms=('current',),
interpreter=self.interpreter,
conn_timeout=self._conn_timeout)
builder = chroot.dump()
builder.freeze()
test_args = []
test_args.extend(PythonTestBuilder.generate_junit_args(targets))
test_args.extend(self.args)
if coverage_enabled:
coverage_rc, args = self.cov_setup(targets)
test_args.extend(args)
sources = list(itertools.chain(*[t.sources_relative_to_buildroot() for t in targets]))
pex = PEX(builder.path(), interpreter=self.interpreter)
rc = pex.run(args=test_args + sources, blocking=True, setsid=True,
stdout=stdout, stderr=stderr)
# TODO(wickman): If coverage is enabled, write an intermediate .html that points to
# each of the coverage reports generated and webbrowser.open to that page.
rv = PythonTestResult.rc(rc)
except Exception:
import traceback
print('Failed to run test!', file=stderr)
traceback.print_exc()
rv = PythonTestResult.exception()
finally:
if coverage_rc:
os.unlink(coverage_rc)
return rv
def _run_python_test(self, target):
po = None
rv = PythonTestResult.exception()
try:
builder = PEXBuilder()
builder.info().entry_point = 'pytest'
builder.info().ignore_errors = target._soft_dependencies
chroot = PythonChroot(target,
self.root_dir,
extra_targets=self.generate_test_targets(),
builder=builder)
builder = chroot.dump()
builder.freeze()
test_args = PythonTestBuilder.generate_junit_args(target)
test_args.extend(self.args)
sources = [
os.path.join(target.target_base, source)
for source in target.sources
]
po = PEX(builder.path()).run(args=test_args + sources,
blocking=False,
setsid=True)
rv = PythonTestBuilder.wait_on(po, timeout=target.timeout)
except Exception as e:
import traceback
print('Failed to run test!', file=sys.stderr)
traceback.print_exc()
rv = PythonTestResult.exception()
finally:
if po and po.returncode != 0:
try:
os.killpg(po.pid, signal.SIGTERM)
except OSError as e:
if e.errno == errno.EPERM:
print("Unable to kill process group: %d" % po.pid)
elif e.errno != errno.ESRCH:
rv = PythonTestResult.exception()
self.successes[target._create_id()] = rv
return rv
