def test_locate(self):
with pytest.raises(ContextError):
ParseContext.locate()
with temporary_dir() as root_dir:
a_context = ParseContext(create_buildfile(root_dir, 'a'))
b_context = ParseContext(create_buildfile(root_dir, 'b'))
def test_in_a():
self.assertEquals(a_context, ParseContext.locate())
return b_context.do_in_context(lambda: ParseContext.locate())
self.assertEquals(b_context, a_context.do_in_context(test_in_a))
def test_python_binary_with_source_no_entry_point(self):
with ParseContext.temp('src'):
assert PythonBinary(name='binary1',
source='blork.py').entry_point == 'blork'
assert PythonBinary(
name='binary2',
source='bin/blork.py').entry_point == 'bin.blork'
def find(target):
"""Finds the source root for the given target. If none is registered, the parent
directory of the target's BUILD file is returned.
"""
target_path = os.path.relpath(target.address.buildfile.parent_path,
get_buildroot())
def _find():
for typ in target.__class__.mro():
for root in SourceRoot._ROOTS_BY_TYPE.get(typ, ()):
if target_path.startswith(root):
return root
# Try already registered roots
root = _find()
if root:
return root
# Fall back to searching the ancestor path for a root
for buildfile in reversed(target.address.buildfile.ancestors()):
if buildfile not in SourceRoot._SEARCHED:
SourceRoot._SEARCHED.add(buildfile)
ParseContext(buildfile).parse()
root = _find()
if root:
return root
# Finally, resolve files relative to the BUILD file parent dir as the target base
return target_path
def compiled_idl(cls,
idl_dep,
generated_deps=None,
compiler=None,
language=None,
namespace_map=None):
"""Marks a jar as containing IDL files that should be fetched and processed locally.
idl_dep: A dependency resolvable to a single jar library.
generated_deps: Dependencies for the code that will be generated from "idl_dep"
compiler: The thrift compiler to apply to the fetched thrift IDL files.
language: The language to generate code for - supported by some compilers
namespace_map: A mapping from IDL declared namespaces to custom namespaces - supported by some
compilers.
"""
deps = list(filter(is_concrete, idl_dep.resolve()))
if not len(deps) == 1:
raise TaskError(
'Can only arrange for compiled idl for a single dependency at a time, '
'given:\n\t%s' % '\n\t'.join(map(str, deps)))
jar = deps.pop()
if not isinstance(jar, JarDependency):
raise TaskError(
'Can only arrange for compiled idl from a jar dependency, given: %s'
% jar)
request = (jar, compiler, language)
namespace_signature = None
if namespace_map:
sha = hashlib.sha1()
for ns_from, ns_to in sorted(namespace_map.items()):
sha.update(ns_from)
sha.update(ns_to)
namespace_signature = sha.hexdigest()
request += (namespace_signature, )
if request not in cls._PLACEHOLDER_BY_REQUEST:
if not cls._EXTRACT_BASE:
config = Config.load()
cls._EXTRACT_BASE = config.get('idl-extract', 'workdir')
safe_mkdir(cls._EXTRACT_BASE)
SourceRoot.register(cls._EXTRACT_BASE, JavaThriftLibrary)
with ParseContext.temp(cls._EXTRACT_BASE):
# TODO(John Sirois): abstract ivy specific configurations notion away
jar._configurations.append('idl')
jar.with_artifact(configuration='idl', classifier='idl')
target_name = '-'.join(
filter(None,
(jar.id, compiler, language, namespace_signature)))
placeholder = JavaThriftLibrary(target_name,
sources=None,
dependencies=[jar] +
(generated_deps or []),
compiler=compiler,
language=language,
namespace_map=namespace_map)
cls._PLACEHOLDER_BY_REQUEST[request] = placeholder
cls._PLACEHOLDERS_BY_JAR[jar].append(placeholder)
return cls._PLACEHOLDER_BY_REQUEST[request]
def create_target(category, target_name, target_index, targets):
def name(name):
return "%s-%s-%d" % (target_name, name, target_index)
# TODO(John Sirois): JavaLibrary and ScalaLibrary can float here between src/ and tests/ - add
# ant build support to allow the same treatment for JavaThriftLibrary and JavaProtobufLibrary
# so that tests can house test IDL in tests/
target_type, base = category
with ParseContext.temp(base):
if target_type == JavaProtobufLibrary:
return _aggregate(JavaProtobufLibrary, name('protobuf'), targets, buildflags=buildflags)
elif target_type == JavaThriftLibrary:
return _aggregate(JavaThriftLibrary, name('thrift'), targets, buildflags=buildflags)
elif target_type == AnnotationProcessor:
return _aggregate(AnnotationProcessor, name('apt'), targets)
elif target_type == JavaLibrary:
return _aggregate(JavaLibrary, name('java'), targets, deployjar, buildflags)
elif target_type == ScalaLibrary:
return _aggregate(ScalaLibrary, name('scala'), targets, deployjar, buildflags)
elif target_type == JavaTests:
return _aggregate(JavaTests, name('java-tests'), targets, buildflags=buildflags)
elif target_type == ScalaTests:
return _aggregate(ScalaTests, name('scala-tests'), targets, buildflags=buildflags)
else:
raise Exception("Cannot aggregate targets of type: %s" % target_type)
def test_binary_target_injected_into_minified_dependencies(self):
with ParseContext.temp():
foo = python_library(
name = 'foo',
provides = setup_py(
name = 'foo',
version = '0.0.0',
).with_binaries(
foo_binary = pants(':foo_bin')
)
)
foo_bin = python_binary(
name = 'foo_bin',
entry_point = 'foo.bin.foo',
dependencies = [ pants(':foo_bin_dep') ]
)
foo_bin_dep = python_library(
name = 'foo_bin_dep'
)
assert SetupPy.minified_dependencies(foo) == OrderedSet([foo_bin, foo_bin_dep])
entry_points = dict(SetupPy.iter_entry_points(foo))
assert entry_points == {'foo_binary': 'foo.bin.foo'}
with self.run_execute(foo, recursive=False) as setup_py_command:
setup_py_command.run_one.assert_called_with(foo)
with self.run_execute(foo, recursive=True) as setup_py_command:
setup_py_command.run_one.assert_called_with(foo)
def __init__(self, name, sources=None, resources=None, exclusives=None):
TargetWithSources.__init__(self, name, sources=sources, exclusives=exclusives)
if resources is not None:
def is_resources(item):
if not isinstance(item, Target):
return False
concrete_targets = [t for t in item.resolve() if t.is_concrete]
return all(isinstance(t, Resources) for t in concrete_targets)
if is_resources(resources):
self.resources = list(self.resolve_all(resources, Resources))
elif isinstance(resources, Sequence) and all(map(is_resources, resources)):
self.resources = list(self.resolve_all(resources, Resources))
else:
# Handle parallel resource dir globs.
# For example, for a java_library target base of src/main/java:
# src/main/java/com/twitter/base/BUILD
# We get:
# sibling_resources_base = src/main/resources
# base_relpath = com/twitter/base
# resources_dir = src/main/resources/com/twitter/base
#
# TODO(John Sirois): migrate projects to Resources and remove support for old style assumed
# parallel resources dirs
sibling_resources_base = os.path.join(os.path.dirname(self.target_base), 'resources')
base_relpath = os.path.relpath(self.address.buildfile.relpath, self.target_base)
resources_dir = os.path.join(sibling_resources_base, base_relpath)
with ParseContext.temp(basedir=resources_dir):
self.resources = [Resources(name, resources)]
def test_validation(self):
with ParseContext.temp():
repo = Repository(name="myRepo", url="myUrl", push_db="myPushDb")
Artifact(org="testOrg",
name="testName",
repo=repo,
description="Test")
self.assertRaises(ValueError,
Artifact,
org=1,
name="testName",
repo=repo,
description="Test")
self.assertRaises(ValueError,
Artifact,
org="testOrg",
name=1,
repo=repo,
description="Test")
self.assertRaises(ValueError,
Artifact,
org="testOrg",
name="testName",
repo=1,
description="Test")
self.assertRaises(ValueError,
Artifact,
org="testOrg",
name="testName",
repo=repo,
description=1)
def __init__(self, name,
sources = None,
resources = None,
dependencies = None,
module = "",
module_root = "src/python"):
"""
name = Name of library
sources = Python source files
resources = non-Python resources, e.g. templates, keys, other data (it is
recommended that your application uses the pkgutil package to access these
resources in a .zip-module friendly way.)
dependencies = other PythonLibraries, Eggs or internal Pants targets
module = everything beneath module_root is relative to this module name, None if root namespace
module_root = see above
"""
context = ParseContext.locate()
self._module = module
PythonTarget.__init__(
self,
module_root,
name,
sources,
resources,
dependencies,
False)
def test_sibling_references(self):
with temporary_dir() as root_dir:
buildfile = create_buildfile(root_dir,
'a',
name='BUILD',
content=dedent('''
dependencies(name='util',
dependencies=[
jar(org='com.twitter', name='util', rev='0.0.1')
]
)
''').strip())
sibling = create_buildfile(root_dir,
'a',
name='BUILD.sibling',
content=dedent('''
dependencies(name='util-ex',
dependencies=[
pants(':util'),
jar(org='com.twitter', name='util-ex', rev='0.0.1')
]
)
''').strip())
ParseContext(buildfile).parse()
utilex = Target.get(
Address.parse(root_dir, 'a:util-ex', is_relative=False))
utilex_deps = set(utilex.resolve())
util = Target.get(
Address.parse(root_dir, 'a:util', is_relative=False))
util_deps = set(util.resolve())
self.assertEquals(util_deps, util_deps.intersection(utilex_deps))
def test_binary_target_injected_into_minified_dependencies_with_provider(
self):
with ParseContext.temp():
bar = python_library(name='bar',
provides=setup_py(
name='bar',
version='0.0.0',
).with_binaries(bar_binary=pants(':bar_bin')))
bar_bin = python_binary(name='bar_bin',
entry_point='bar.bin.bar',
dependencies=[pants(':bar_bin_dep')])
bar_bin_dep = python_library(name='bar_bin_dep',
provides=setup_py(
name='bar_bin_dep',
version='0.0.0',
))
assert SetupPy.minified_dependencies(bar) == OrderedSet(
[bar_bin, bar_bin_dep])
entry_points = dict(SetupPy.iter_entry_points(bar))
assert entry_points == {'bar_binary': 'bar.bin.bar'}
with self.run_execute(bar, recursive=False) as setup_py_command:
setup_py_command.run_one.assert_called_with(bar)
with self.run_execute(bar, recursive=True) as setup_py_command:
setup_py_command.run_one.assert_has_calls(
[call(bar), call(bar_bin_dep)], any_order=True)
def test_validation(self):
with ParseContext.temp('JarLibraryTest/test_validation'):
target = Target(name='mybird')
JarLibrary(name="test", dependencies=target)
self.assertRaises(TargetDefinitionException,
JarLibrary,
name="test1",
dependencies=None)
def test_python_binary_with_entry_point_and_source(self):
with ParseContext.temp('src'):
assert 'blork' == PythonBinary(
name = 'binary1', entry_point = 'blork', source='blork.py').entry_point
assert 'blork:main' == PythonBinary(
name = 'binary2', entry_point = 'blork:main', source='blork.py').entry_point
assert 'bin.blork:main' == PythonBinary(
name = 'binary3', entry_point = 'bin.blork:main', source='bin/blork.py').entry_point
def test_validation(self):
with ParseContext.temp('InternalTargetTest/test_validation'):
InternalTarget(name="valid", dependencies=None)
self.assertRaises(TargetDefinitionException, InternalTarget,
name=1, dependencies=None)
InternalTarget(name="valid2", dependencies=Target(name='mybird'))
self.assertRaises(TargetDefinitionException, InternalTarget,
name='valid3', dependencies=1)
def generate_test_targets():
if PythonTestBuilder.TESTING_TARGETS is None:
with ParseContext.temp():
PythonTestBuilder.TESTING_TARGETS = [
PythonRequirement('pytest'),
PythonRequirement('unittest2', version_filter=lambda:sys.version_info[0]==2),
PythonRequirement('unittest2py3k', version_filter=lambda:sys.version_info[0]==3)
]
return PythonTestBuilder.TESTING_TARGETS
def create_dependencies(depmap):
target_map = {}
with ParseContext.temp():
for name, deps in depmap.items():
target_map[name] = python_library(
name=name,
provides=setup_py(name=name, version='0.0.0'),
dependencies=[pants(':%s' % dep) for dep in deps])
return target_map
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=[])
with ParseContext.temp():
for requirement in requirements:
self.extra_targets.append(PythonRequirement(requirement))
executor = PythonChroot(
self.target,
self.root_dir,
builder=builder,
interpreter=self.interpreter,
extra_targets=self.extra_targets,
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 create_dependencies(depmap):
target_map = {}
with ParseContext.temp():
for name, deps in depmap.items():
target_map[name] = python_library(
name=name,
provides=setup_py(name=name, version='0.0.0'),
dependencies=[pants(':%s' % dep) for dep in deps]
)
return target_map
def test_python_binary_with_entry_point_and_source_mismatch(self):
with ParseContext.temp('src'):
with pytest.raises(TargetDefinitionException):
PythonBinary(name = 'binary1', entry_point = 'blork', source='hork.py')
with pytest.raises(TargetDefinitionException):
PythonBinary(name = 'binary2', entry_point = 'blork:main', source='hork.py')
with pytest.raises(TargetDefinitionException):
PythonBinary(name = 'binary3', entry_point = 'bin.blork', source='blork.py')
with pytest.raises(TargetDefinitionException):
PythonBinary(name = 'binary4', entry_point = 'bin.blork', source='bin.py')
def __init__(self, name, dependencies=None, num_sources=0, exclusives=None):
with ParseContext.temp():
InternalTarget.__init__(self, name, dependencies, exclusives=exclusives)
TargetWithSources.__init__(self, name, exclusives=exclusives)
self.num_sources = num_sources
self.declared_exclusives = defaultdict(set)
if exclusives is not None:
for k in exclusives:
self.declared_exclusives[k] = set([exclusives[k]])
self.exclusives = None
def generate_test_targets():
if PythonTestBuilder.TESTING_TARGETS is None:
def define_targets():
return [
PythonRequirement('pytest'),
PythonRequirement('unittest2', version_filter=lambda:sys.version_info[0]==2),
PythonRequirement('unittest2py3k', version_filter=lambda:sys.version_info[0]==3)
]
PythonTestBuilder.TESTING_TARGETS = ParseContext.fake(define_targets)
return PythonTestBuilder.TESTING_TARGETS
def __init__(self, base=None, mapper=None, relative_to=None):
"""
:param mapper: Function that takes a path string and returns a path string. Takes a path in
the source tree, returns a path to use in the resulting bundle. By default, an identity
mapper.
:param string relative_to: Set up a simple mapping from source path to bundle path.
E.g., ``relative_to='common'`` removes that prefix from all files in the application bundle.
"""
if mapper and relative_to:
raise ValueError("Must specify exactly one of 'mapper' or 'relative_to'")
if relative_to:
base = base or ParseContext.path(relative_to)
if not os.path.isdir(base):
raise ValueError('Could not find a directory to bundle relative to at %s' % base)
self.mapper = RelativeToMapper(base)
else:
self.mapper = mapper or RelativeToMapper(base or ParseContext.path())
self.filemap = {}
def generate_test_targets():
if PythonTestBuilder.TESTING_TARGETS is None:
with ParseContext.temp():
PythonTestBuilder.TESTING_TARGETS = [
PythonRequirement("pytest"),
PythonRequirement("pytest-cov"),
PythonRequirement("coverage"),
PythonRequirement("unittest2", version_filter=lambda: sys.version_info[0] == 2),
PythonRequirement("unittest2py3k", version_filter=lambda: sys.version_info[0] == 3),
]
return PythonTestBuilder.TESTING_TARGETS
def generate_test_targets():
if PythonTestBuilder.TESTING_TARGETS is None:
with ParseContext.temp():
PythonTestBuilder.TESTING_TARGETS = [
PythonRequirement('pytest'),
PythonRequirement('pytest-cov'),
PythonRequirement('coverage'),
PythonRequirement('unittest2', version_filter=lambda:sys.version_info[0]==2),
PythonRequirement('unittest2py3k', version_filter=lambda:sys.version_info[0]==3)
]
return PythonTestBuilder.TESTING_TARGETS
def generate_test_targets(cls):
if cls.TESTING_TARGETS is None:
with ParseContext.temp():
cls.TESTING_TARGETS = [
PythonRequirement('pytest'),
PythonRequirement('pytest-cov'),
PythonRequirement('coverage==3.6b1'),
PythonRequirement('unittest2', version_filter=lambda py, pl: py.startswith('2')),
PythonRequirement('unittest2py3k', version_filter=lambda py, pl: py.startswith('3'))
]
return cls.TESTING_TARGETS
def dump(self):
self.debug('Building PythonBinary %s:' % self._target)
targets = self.resolve([self._target] + self._extra_targets)
for lib in targets['libraries'] | targets['binaries']:
self._dump_library(lib)
generated_reqs = OrderedSet()
if targets['thrifts']:
for thr in set(targets['thrifts']):
if thr not in self.MEMOIZED_THRIFTS:
self.MEMOIZED_THRIFTS[
thr] = self._generate_thrift_requirement(thr)
generated_reqs.add(self.MEMOIZED_THRIFTS[thr])
with ParseContext.temp():
# trick pants into letting us add this python requirement, otherwise we get
# TargetDefinitionException: Error in target BUILD.temp:thrift: duplicate to
# PythonRequirement(thrift)
#
# TODO(wickman) Instead of just blindly adding a PythonRequirement for thrift, we
# should first detect if any explicit thrift requirements have been added and use
# those. Only if they have not been supplied should we auto-inject it.
generated_reqs.add(
PythonRequirement(
'thrift',
use_2to3=True,
name='thrift-' +
''.join(random.sample('0123456789abcdef' * 8, 8))))
for antlr in targets['antlrs']:
generated_reqs.add(self._generate_antlr_requirement(antlr))
targets['reqs'] |= generated_reqs
for req in targets['reqs']:
if not req.should_build(self._interpreter.python,
Platform.current()):
self.debug('Skipping %s based upon version filter' % req)
continue
self._dump_requirement(req._requirement, False, req._repository)
reqs_to_build = (
req for req in targets['reqs']
if req.should_build(self._interpreter.python, Platform.current()))
for dist in self._resolver.resolve(reqs_to_build,
interpreter=self._interpreter):
self._dump_distribution(dist)
if len(targets['binaries']) > 1:
print('WARNING: Target has multiple python_binary targets!',
file=sys.stderr)
return self._builder
def test_parse(self):
with temporary_dir() as root_dir:
buildfile = create_buildfile(
root_dir, 'a', '''
with open('b', 'w') as b:
b.write('jack spratt')
'''.strip())
b_file = os.path.join(root_dir, 'a', 'b')
self.assertFalse(os.path.exists(b_file))
ParseContext(buildfile).parse()
with open(b_file, 'r') as b:
self.assertEquals('jack spratt', b.read())
def test_validation(self):
with ParseContext.temp():
repo = Repository(name="myRepo", url="myUrl", push_db="myPushDb")
Artifact(org="testOrg", name="testName", repo=repo, description="Test")
self.assertRaises(ValueError, Artifact,
org=1, name="testName", repo=repo, description="Test")
self.assertRaises(ValueError, Artifact,
org="testOrg", name=1, repo=repo, description="Test")
self.assertRaises(ValueError, Artifact,
org="testOrg", name="testName", repo=1, description="Test")
self.assertRaises(ValueError, Artifact,
org="testOrg", name="testName", repo=repo, description=1)
def _generate_requirement(self, library, builder_cls):
library_key = self._key_generator.key_for_target(library)
builder = builder_cls(library, self._root, self._config, '-' + library_key.hash[:8])
cache_dir = os.path.join(self._egg_cache_root, library_key.id)
if self._build_invalidator.needs_update(library_key):
sdist = builder.build(interpreter=self._interpreter)
safe_mkdir(cache_dir)
shutil.copy(sdist, os.path.join(cache_dir, os.path.basename(sdist)))
self._build_invalidator.update(library_key)
with ParseContext.temp():
return PythonRequirement(builder.requirement_string(), repository=cache_dir, use_2to3=True)
def test_validation(self):
with ParseContext.temp('InternalTargetTest/test_validation'):
InternalTarget(name="valid", dependencies=None)
self.assertRaises(TargetDefinitionException,
InternalTarget,
name=1,
dependencies=None)
InternalTarget(name="valid2", dependencies=Target(name='mybird'))
self.assertRaises(TargetDefinitionException,
InternalTarget,
name='valid3',
dependencies=1)
def test_on_context_exit(self):
with temporary_dir() as root_dir:
parse_context = ParseContext(create_buildfile(root_dir, 'a'))
with pytest.raises(ContextError):
parse_context.on_context_exit(lambda: 37)
with temporary_dir() as root_dir:
buildfile = create_buildfile(root_dir, 'a',
'''import os
from twitter.pants.base import ParseContext
def leave_a_trail(file, contents=''):
with open(file, 'w') as b:
b.write(contents)
b_file = os.path.join(os.path.dirname(__file__), 'b')
ParseContext.locate().on_context_exit(leave_a_trail, b_file, contents='42')
assert not os.path.exists(b_file), 'Expected context exit action to be delayed.'
'''.strip())
b_file = os.path.join(root_dir, 'a', 'b')
self.assertFalse(os.path.exists(b_file))
ParseContext(buildfile).parse()
with open(b_file, 'r') as b:
self.assertEquals('42', b.read())
def test_binary_cycle(self):
with ParseContext.temp():
foo = python_library(name='foo',
provides=setup_py(
name='foo',
version='0.0.0',
).with_binaries(foo_binary=pants(':foo_bin')))
foo_bin = python_binary(name='foo_bin',
entry_point='foo.bin.foo',
dependencies=[pants(':foo')])
with pytest.raises(TargetDefinitionException):
SetupPy.minified_dependencies(foo)
def compiled_idl(cls, idl_dep, generated_deps=None, compiler=None, language=None, namespace_map=None):
"""Marks a jar as containing IDL files that should be fetched and processed locally.
idl_dep: A dependency resolvable to a single jar library.
generated_deps: Dependencies for the code that will be generated from "idl_dep"
compiler: The thrift compiler to apply to the fetched thrift IDL files.
language: The language to generate code for - supported by some compilers
namespace_map: A mapping from IDL declared namespaces to custom namespaces - supported by some
compilers.
"""
deps = [t for t in idl_dep.resolve() if t.is_concrete]
if not len(deps) == 1:
raise TaskError('Can only arrange for compiled idl for a single dependency at a time, '
'given:\n\t%s' % '\n\t'.join(map(str, deps)))
jar = deps.pop()
if not isinstance(jar, JarDependency):
raise TaskError('Can only arrange for compiled idl from a jar dependency, given: %s' % jar)
request = (jar, compiler, language)
namespace_signature = None
if namespace_map:
sha = hashlib.sha1()
for ns_from, ns_to in sorted(namespace_map.items()):
sha.update(ns_from)
sha.update(ns_to)
namespace_signature = sha.hexdigest()
request += (namespace_signature,)
if request not in cls._PLACEHOLDER_BY_REQUEST:
if not cls._EXTRACT_BASE:
config = Config.load()
cls._EXTRACT_BASE = config.get('idl-extract', 'workdir')
safe_mkdir(cls._EXTRACT_BASE)
SourceRoot.register(cls._EXTRACT_BASE, JavaThriftLibrary)
with ParseContext.temp(cls._EXTRACT_BASE):
# TODO(John Sirois): abstract ivy specific configurations notion away
jar._configurations.append('idl')
jar.with_artifact(configuration='idl', classifier='idl')
target_name = '-'.join(filter(None, (jar.id, compiler, language, namespace_signature)))
placeholder = JavaThriftLibrary(target_name,
sources=None,
dependencies=[jar] + (generated_deps or []),
compiler=compiler,
language=language,
namespace_map=namespace_map)
cls._PLACEHOLDER_BY_REQUEST[request] = placeholder
cls._PLACEHOLDERS_BY_JAR[jar].append(placeholder)
return cls._PLACEHOLDER_BY_REQUEST[request]
def __init__(self, base=None, mapper=None, relative_to=None):
"""
:param mapper: Function that takes a path string and returns a path string. Takes a path in
the source tree, returns a path to use in the resulting bundle. By default, an identity
mapper.
:param string relative_to: Set up a simple mapping from source path to bundle path.
E.g., ``relative_to='common'`` removes that prefix from all files in the application bundle.
"""
if mapper and relative_to:
raise ValueError(
"Must specify exactly one of 'mapper' or 'relative_to'")
if relative_to:
base = base or ParseContext.path(relative_to)
if not os.path.isdir(base):
raise ValueError(
'Could not find a directory to bundle relative to at %s' %
base)
self.mapper = RelativeToMapper(base)
else:
self.mapper = mapper or RelativeToMapper(base
or ParseContext.path())
self.filemap = {}
def __init__(self, spec):
# it's critical the spec is parsed 1st, the results are needed elsewhere in constructor flow
parse_context = ParseContext.locate()
def parse_address():
if spec.startswith(':'):
# the :[target] could be in a sibling BUILD - so parse using the canonical address
pathish = "%s:%s" % (parse_context.buildfile.canonical_relpath, spec[1:])
return Address.parse(parse_context.buildfile.root_dir, pathish, False)
else:
return Address.parse(parse_context.buildfile.root_dir, spec, False)
self.address = parse_address()
Target.__init__(self, self.address.target_name, False)
def generate_test_targets(cls):
if cls.TESTING_TARGETS is None:
with ParseContext.temp():
cls.TESTING_TARGETS = [
PythonRequirement('pytest'),
PythonRequirement('pytest-cov'),
PythonRequirement('coverage==3.6b1'),
PythonRequirement(
'unittest2',
version_filter=lambda py, pl: py.startswith('2')),
PythonRequirement(
'unittest2py3k',
version_filter=lambda py, pl: py.startswith('3'))
]
return cls.TESTING_TARGETS
def test_on_context_exit(self):
with temporary_dir() as root_dir:
parse_context = ParseContext(create_buildfile(root_dir, 'a'))
with pytest.raises(ContextError):
parse_context.on_context_exit(lambda: 37)
with temporary_dir() as root_dir:
buildfile = create_buildfile(root_dir,
'a',
content=dedent('''
import os
from twitter.pants.base import ParseContext
def leave_a_trail(file, contents=''):
with open(file, 'w') as b:
b.write(contents)
b_file = os.path.join(os.path.dirname(__file__), 'b')
ParseContext.locate().on_context_exit(leave_a_trail, b_file, contents='42')
assert not os.path.exists(b_file), 'Expected context exit action to be delayed.'
''').strip())
b_file = os.path.join(root_dir, 'a', 'b')
self.assertFalse(os.path.exists(b_file))
ParseContext(buildfile).parse()
with open(b_file, 'r') as b:
self.assertEquals('42', b.read())
def __init__(self, spec):
# it's critical the spec is parsed 1st, the results are needed elsewhere in constructor flow
parse_context = ParseContext.locate()
def parse_address():
if spec.startswith(':'):
# the :[target] could be in a sibling BUILD - so parse using the canonical address
pathish = "%s:%s" % (parse_context.buildfile.canonical_relpath, spec[1:])
return Address.parse(parse_context.buildfile.root_dir, pathish, False)
else:
return Address.parse(parse_context.buildfile.root_dir, spec, False)
self.address = parse_address()
# We must disable the re-init check, because our funky __getattr__ breaks it.
# We're not involved in any multiple inheritance, so it's OK to disable it here.
Target.__init__(self, self.address.target_name, False, reinit_check=False)
def _generate_requirement(self, library, builder_cls):
library_key = self._key_generator.key_for_target(library)
builder = builder_cls(library, self._root, self._config,
'-' + library_key.hash[:8])
cache_dir = os.path.join(self._egg_cache_root, library_key.id)
if self._build_invalidator.needs_update(library_key):
sdist = builder.build(interpreter=self._interpreter)
safe_mkdir(cache_dir)
shutil.copy(sdist, os.path.join(cache_dir,
os.path.basename(sdist)))
self._build_invalidator.update(library_key)
with ParseContext.temp():
return PythonRequirement(builder.requirement_string(),
repository=cache_dir,
use_2to3=True)
def __init__(self, spec):
# it's critical the spec is parsed 1st, the results are needed elsewhere in constructor flow
parse_context = ParseContext.locate()
def parse_address():
if spec.startswith(':'):
# the :[target] could be in a sibling BUILD - so parse using the canonical address
pathish = "%s:%s" % (parse_context.buildfile.canonical_relpath,
spec[1:])
return Address.parse(parse_context.buildfile.root_dir, pathish,
False)
else:
return Address.parse(parse_context.buildfile.root_dir, spec,
False)
self.address = parse_address()
Target.__init__(self, self.address.target_name, False)
def test_locate(self):
with pytest.raises(ContextError):
ParseContext.locate()
with temporary_dir() as root_dir:
a_context = ParseContext(create_buildfile(root_dir, 'a'))
b_context = ParseContext(create_buildfile(root_dir, 'b'))
def test_in_a():
self.assertEquals(a_context, ParseContext.locate())
return b_context.do_in_context(lambda: ParseContext.locate())
self.assertEquals(b_context, a_context.do_in_context(test_in_a))
def dump(self):
self.debug('Building PythonBinary %s:' % self._target)
targets = self.resolve([self._target] + self._extra_targets)
for lib in targets['libraries'] | targets['binaries']:
self._dump_library(lib)
generated_reqs = OrderedSet()
if targets['thrifts']:
for thr in set(targets['thrifts']):
if thr not in self.MEMOIZED_THRIFTS:
self.MEMOIZED_THRIFTS[thr] = self._generate_thrift_requirement(thr)
generated_reqs.add(self.MEMOIZED_THRIFTS[thr])
with ParseContext.temp():
# trick pants into letting us add this python requirement, otherwise we get
# TargetDefinitionException: Error in target BUILD.temp:thrift: duplicate to
# PythonRequirement(thrift)
#
# TODO(wickman) Instead of just blindly adding a PythonRequirement for thrift, we
# should first detect if any explicit thrift requirements have been added and use
# those. Only if they have not been supplied should we auto-inject it.
generated_reqs.add(PythonRequirement('thrift', use_2to3=True,
name='thrift-' + ''.join(random.sample('0123456789abcdef' * 8, 8))))
for antlr in targets['antlrs']:
generated_reqs.add(self._generate_antlr_requirement(antlr))
targets['reqs'] |= generated_reqs
for req in targets['reqs']:
if not req.should_build(self._interpreter.python, Platform.current()):
self.debug('Skipping %s based upon version filter' % req)
continue
self._dump_requirement(req._requirement, False, req._repository)
reqs_to_build = (req for req in targets['reqs']
if req.should_build(self._interpreter.python, Platform.current()))
for dist in self._resolver.resolve(reqs_to_build, interpreter=self._interpreter):
self._dump_distribution(dist)
if len(targets['binaries']) > 1:
print('WARNING: Target has multiple python_binary targets!', file=sys.stderr)
return self._builder
def test_binary_cycle(self):
with ParseContext.temp():
foo = python_library(
name = 'foo',
provides = setup_py(
name = 'foo',
version = '0.0.0',
).with_binaries(
foo_binary = pants(':foo_bin')
)
)
foo_bin = python_binary(
name = 'foo_bin',
entry_point = 'foo.bin.foo',
dependencies = [ pants(':foo') ]
)
with pytest.raises(TargetDefinitionException):
SetupPy.minified_dependencies(foo)
def __init__(self, spec):
# it's critical the spec is parsed 1st, the results are needed elsewhere in constructor flow
parse_context = ParseContext.locate()
def parse_address():
if spec.startswith(':'):
# the :[target] could be in a sibling BUILD - so parse using the canonical address
pathish = "%s:%s" % (parse_context.buildfile.canonical_relpath,
spec[1:])
return Address.parse(parse_context.buildfile.root_dir, pathish,
False)
else:
return Address.parse(parse_context.buildfile.root_dir, spec,
False)
self.address = parse_address()
# We must disable the re-init check, because our funky __getattr__ breaks it.
# We're not involved in any multiple inheritance, so it's OK to disable it here.
Target.__init__(self, self.address.target_name, reinit_check=False)
def test_jar_dependency(self):
with ParseContext.temp():
org, name = "org", "name"
# thing to override
nay = JarDependency(org, name, "0.0.1")
yea = JarDependency(org, name, "0.0.8")
# define targets depend on different 'org:c's
JarLibrary("c", [nay])
JarLibrary("b", [yea])
# then depend on those targets transitively, and override to the correct version
l = JarLibrary(
"a",
dependencies=[Pants(":c")],
overrides=[":b"])
# confirm that resolving includes the correct version
resolved = set(l.resolve())
self.assertTrue(yea in resolved)
# and attaches an exclude directly to the JarDependency
self.assertTrue(Exclude(org, name) in nay.excludes)
def parse_spec(self, error, spec):
if spec.endswith('::'):
self.add_target_recursive(spec[:-len('::')])
elif spec.endswith(':'):
self.add_target_directory(spec[:-len(':')])
else:
try:
address = Address.parse(get_buildroot(), spec)
ParseContext(address.buildfile).parse()
target = Target.get(address)
if target:
self.targets.append(target)
else:
siblings = Target.get_all_addresses(address.buildfile)
prompt = 'did you mean' if len(siblings) == 1 else 'maybe you meant one of these'
error('%s => %s?:\n %s' % (address, prompt,
'\n '.join(str(a) for a in siblings)))
except (TypeError, ImportError, TaskError, GoalError):
error(spec, include_traceback=True)
except (IOError, SyntaxError):
error(spec)
def __init__(self,
name,
sources=None,
resources=None,
dependencies=None,
module="",
module_root="src/python"):
"""
name = Name of library
sources = Python source files
resources = non-Python resources, e.g. templates, keys, other data (it is
recommended that your application uses the pkgutil package to access these
resources in a .zip-module friendly way.)
dependencies = other PythonLibraries, Eggs or internal Pants targets
module = everything beneath module_root is relative to this module name, None if root namespace
module_root = see above
"""
context = ParseContext.locate()
self._module = module
PythonTarget.__init__(self, module_root, name, sources, resources,
dependencies, False)
def create_target(category, target_name, target_index, targets):
def name(name):
return "%s-%s-%d" % (target_name, name, target_index)
# TODO(John Sirois): JavaLibrary and ScalaLibrary can float here between src/ and tests/ - add
# ant build support to allow the same treatment for JavaThriftLibrary and JavaProtobufLibrary
# so that tests can house test IDL in tests/
target_type, base = category
with ParseContext.temp(base):
if target_type == JavaProtobufLibrary:
return _aggregate(JavaProtobufLibrary,
name('protobuf'),
targets,
buildflags=buildflags)
elif target_type == JavaThriftLibrary:
return _aggregate(JavaThriftLibrary,
name('thrift'),
targets,
buildflags=buildflags)
elif target_type == AnnotationProcessor:
return _aggregate(AnnotationProcessor, name('apt'), targets)
elif target_type == JavaLibrary:
return _aggregate(JavaLibrary, name('java'), targets,
deployjar, buildflags)
elif target_type == ScalaLibrary:
return _aggregate(ScalaLibrary, name('scala'), targets,
deployjar, buildflags)
elif target_type == JavaTests:
return _aggregate(JavaTests,
name('java-tests'),
targets,
buildflags=buildflags)
elif target_type == ScalaTests:
return _aggregate(ScalaTests,
name('scala-tests'),
targets,
buildflags=buildflags)
else:
raise Exception("Cannot aggregate targets of type: %s" %
target_type)
def test_binary_target_injected_into_minified_dependencies_with_provider(self):
with ParseContext.temp():
bar = python_library(
name = 'bar',
provides = setup_py(
name = 'bar',
version = '0.0.0',
).with_binaries(
bar_binary = pants(':bar_bin')
)
)
bar_bin = python_binary(
name = 'bar_bin',
entry_point = 'bar.bin.bar',
dependencies = [ pants(':bar_bin_dep') ]
)
bar_bin_dep = python_library(
name = 'bar_bin_dep',
provides = setup_py(
name = 'bar_bin_dep',
version = '0.0.0',
)
)
assert SetupPy.minified_dependencies(bar) == OrderedSet([bar_bin, bar_bin_dep])
entry_points = dict(SetupPy.iter_entry_points(bar))
assert entry_points == {'bar_binary': 'bar.bin.bar'}
with self.run_execute(bar, recursive=False) as setup_py_command:
setup_py_command.run_one.assert_called_with(bar)
with self.run_execute(bar, recursive=True) as setup_py_command:
setup_py_command.run_one.assert_has_calls([
call(bar),
call(bar_bin_dep)
], any_order=True)
def __init__(self, name, sources=None, resources=None, exclusives=None):
TargetWithSources.__init__(self,
name,
sources=sources,
exclusives=exclusives)
if resources is not None:
def is_resources(item):
return (isinstance(item, Target) and all(
map(lambda tgt: isinstance(tgt, Resources),
filter(lambda tgt: is_concrete(tgt), item.resolve()))))
if is_resources(resources):
self.resources = list(self.resolve_all(resources, Resources))
elif isinstance(resources, Sequence) and all(
map(is_resources, resources)):
self.resources = list(self.resolve_all(resources, Resources))
else:
# Handle parallel resource dir globs.
# For example, for a java_library target base of src/main/java:
# src/main/java/com/twitter/base/BUILD
# We get:
# sibling_resources_base = src/main/resources
# base_relpath = com/twitter/base
# resources_dir = src/main/resources/com/twitter/base
#
# TODO(John Sirois): migrate projects to Resources and remove support for old style assumed
# parallel resources dirs
sibling_resources_base = os.path.join(
os.path.dirname(self.target_base), 'resources')
base_relpath = os.path.relpath(self.address.buildfile.relpath,
self.target_base)
resources_dir = os.path.join(sibling_resources_base,
base_relpath)
with ParseContext.temp(basedir=resources_dir):
self.resources = [Resources(name, resources)]
def test_binary_target_injected_into_minified_dependencies(self):
with ParseContext.temp():
foo = python_library(name='foo',
provides=setup_py(
name='foo',
version='0.0.0',
).with_binaries(foo_binary=pants(':foo_bin')))
foo_bin = python_binary(name='foo_bin',
entry_point='foo.bin.foo',
dependencies=[pants(':foo_bin_dep')])
foo_bin_dep = python_library(name='foo_bin_dep')
assert SetupPy.minified_dependencies(foo) == OrderedSet(
[foo_bin, foo_bin_dep])
entry_points = dict(SetupPy.iter_entry_points(foo))
assert entry_points == {'foo_binary': 'foo.bin.foo'}
with self.run_execute(foo, recursive=False) as setup_py_command:
setup_py_command.run_one.assert_called_with(foo)
with self.run_execute(foo, recursive=True) as setup_py_command:
setup_py_command.run_one.assert_called_with(foo)
def setup_parser(self, parser, args):
self.config = Config.load()
Goal.add_global_options(parser)
# We support attempting zero or more goals. Multiple goals must be delimited from further
# options and non goal args with a '--'. The key permutations we need to support:
# ./pants goal => goals
# ./pants goal goals => goals
# ./pants goal compile src/java/... => compile
# ./pants goal compile -x src/java/... => compile
# ./pants goal compile src/java/... -x => compile
# ./pants goal compile run -- src/java/... => compile, run
# ./pants goal compile run -- src/java/... -x => compile, run
# ./pants goal compile run -- -x src/java/... => compile, run
if not args:
args.append('goals')
if len(args) == 1 and args[0] in set(['-h', '--help', 'help']):
def format_usage(usages):
left_colwidth = 0
for left, right in usages:
left_colwidth = max(left_colwidth, len(left))
lines = []
for left, right in usages:
lines.append(' %s%s%s' % (left, ' ' * (left_colwidth - len(left) + 1), right))
return '\n'.join(lines)
usages = [
("%prog goal goals ([spec]...)", Phase('goals').description),
("%prog goal help [goal] ([spec]...)", Phase('help').description),
("%prog goal [goal] [spec]...", "Attempt goal against one or more targets."),
("%prog goal [goal] ([goal]...) -- [spec]...", "Attempts all the specified goals."),
]
parser.set_usage("\n%s" % format_usage(usages))
parser.epilog = ("Either lists all installed goals, provides extra help for a goal or else "
"attempts to achieve the specified goal for the listed targets." """
Note that target specs accept two special forms:
[dir]: to include all targets in the specified directory
[dir]:: to include all targets found in all BUILD files recursively under
the directory""")
parser.print_help()
sys.exit(0)
else:
goals, specs = Goal.parse_args(args)
# TODO(John Sirois): kill PANTS_NEW and its usages when pants.new is rolled out
ParseContext.enable_pantsnew()
# Bootstrap goals by loading any configured bootstrap BUILD files
with self.check_errors('The following bootstrap_buildfiles cannot be loaded:') as error:
for path in self.config.getlist('goals', 'bootstrap_buildfiles', default = []):
try:
buildfile = BuildFile(get_buildroot(), os.path.relpath(path, get_buildroot()))
ParseContext(buildfile).parse()
except (TypeError, ImportError, TaskError, GoalError):
error(path, include_traceback=True)
except (IOError, SyntaxError):
error(path)
# Bootstrap user goals by loading any BUILD files implied by targets
with self.check_errors('The following targets could not be loaded:') as error:
for spec in specs:
self.parse_spec(error, spec)
self.phases = [Phase(goal) for goal in goals]
rcfiles = self.config.getdefault('rcfiles', type=list, default=[])
if rcfiles:
rcfile = RcFile(rcfiles, default_prepend=False, process_default=True)
# Break down the goals specified on the command line to the full set that will be run so we
# can apply default flags to inner goal nodes. Also break down goals by Task subclass and
# register the task class hierarchy fully qualified names so we can apply defaults to
# baseclasses.
all_goals = Phase.execution_order(Phase(goal) for goal in goals)
sections = OrderedSet()
for goal in all_goals:
sections.add(goal.name)
for clazz in goal.task_type.mro():
if clazz == Task:
break
sections.add('%s.%s' % (clazz.__module__, clazz.__name__))
augmented_args = rcfile.apply_defaults(sections, args)
if augmented_args != args:
del args[:]
args.extend(augmented_args)
print("(using pantsrc expansion: pants goal %s)" % ' '.join(augmented_args))
Phase.setup_parser(parser, args, self.phases)
def test_in_a(): self.assertEquals(a_context, ParseContext.locate()) return b_context.do_in_context(lambda: ParseContext.locate())
def of(cls, target):
with ParseContext.temp():
return cls(target.name, dependencies=[target])
def __init__(self, run_tracker, root_dir, parser, argv):
Command.__init__(self, run_tracker, root_dir, parser, argv)
self.target = None
self.extra_targets = []
self.config = Config.load()
self.interpreter_cache = PythonInterpreterCache(self.config, logger=self.debug)
self.interpreter_cache.setup()
interpreters = self.interpreter_cache.select_interpreter(
list(self.interpreter_cache.matches([self.options.interpreter]
if self.options.interpreter else [''])))
if len(interpreters) != 1:
self.error('Unable to detect suitable interpreter.')
self.interpreter = interpreters[0]
for req in self.options.extra_requirements:
with ParseContext.temp():
self.extra_targets.append(PythonRequirement(req, use_2to3=True))
# We parse each arg in the context of the cli usage:
# ./pants command (options) [spec] (build args)
# ./pants command (options) [spec]... -- (build args)
# Our command token and our options are parsed out so we see args of the form:
# [spec] (build args)
# [spec]... -- (build args)
binaries = []
for k in range(len(self.args)):
arg = self.args.pop(0)
if arg == '--':
break
def not_a_target(debug_msg):
self.debug('Not a target, assuming option: %s.' % e)
# We failed to parse the arg as a target or else it was in valid address format but did not
# correspond to a real target. Assume this is the 1st of the build args and terminate
# processing args for target addresses.
self.args.insert(0, arg)
target = None
try:
address = Address.parse(root_dir, arg)
target = Target.get(address)
if target is None:
not_a_target(debug_msg='Unrecognized target')
break
except Exception as e:
not_a_target(debug_msg=e)
break
for resolved in filter(lambda t: t.is_concrete, target.resolve()):
if isinstance(resolved, PythonBinary):
binaries.append(resolved)
else:
self.extra_targets.append(resolved)
if len(binaries) == 0:
# treat as a chroot
pass
elif len(binaries) == 1:
# We found a binary and are done, the rest of the args get passed to it
self.target = binaries[0]
else:
self.error('Can only process 1 binary target, %s contains %d:\n\t%s' % (
arg, len(binaries), '\n\t'.join(str(binary.address) for binary in binaries)
))
if self.target is None:
if not self.extra_targets:
self.error('No valid target specified!')
self.target = self.extra_targets.pop(0)
def of(cls, target):
with ParseContext.temp():
return cls(target.name, dependencies=[target])