def initialize(self):
# Create the app local to this worker.
app = PieCrust(self.ctx.root_dir, debug=self.ctx.debug)
app._useSubCacheDir(self.ctx.sub_cache_dir)
app.config.set('baker/is_baking', True)
app.config.set('baker/worker_id', self.wid)
app.env.base_asset_url_format = '%uri%'
app.env.fs_cache_only_for_main_page = True
app.env.registerTimer("BakeWorker_%d_Total" % self.wid)
app.env.registerTimer("BakeWorkerInit")
app.env.registerTimer("JobReceive")
apply_variant_and_values(app, self.ctx.config_variant,
self.ctx.config_values)
self.ctx.app = app
# Load previous record
if self.ctx.previous_record_path:
self.ctx.previous_record = BakeRecord.load(
self.ctx.previous_record_path)
self.ctx.previous_record_index = {}
for e in self.ctx.previous_record.entries:
key = _get_transition_key(e.path, e.taxonomy_info)
self.ctx.previous_record_index[key] = e
# Create the job handlers.
job_handlers = {
JOB_LOAD: LoadJobHandler(self.ctx),
JOB_RENDER_FIRST: RenderFirstSubJobHandler(self.ctx),
JOB_BAKE: BakeJobHandler(self.ctx)}
for jt, jh in job_handlers.items():
app.env.registerTimer(type(jh).__name__)
self.job_handlers = job_handlers
app.env.stepTimerSince("BakeWorkerInit", self.work_start_time)
def get_app_for_server(root_dir, debug=False, sub_cache_dir=None):
app = PieCrust(root_dir=root_dir, debug=debug)
if sub_cache_dir:
app._useSubCacheDir(sub_cache_dir)
app.config.set('site/root', '/')
app.config.set('server/is_serving', True)
return app
def initialize(self):
# Create the app local to this worker.
app = PieCrust(self.ctx.root_dir, debug=self.ctx.debug)
app._useSubCacheDir(self.ctx.sub_cache_dir)
app.config.set('baker/is_baking', True)
app.env.base_asset_url_format = '%uri%'
app.env.fs_cache_only_for_main_page = True
app.env.registerTimer("BakeWorker_%d_Total" % self.wid)
app.env.registerTimer("BakeWorkerInit")
app.env.registerTimer("JobReceive")
apply_variant_and_values(app, self.ctx.config_variant,
self.ctx.config_values)
self.ctx.app = app
# Load previous record
if self.ctx.previous_record_path:
self.ctx.previous_record = BakeRecord.load(
self.ctx.previous_record_path)
self.ctx.previous_record_index = {}
for e in self.ctx.previous_record.entries:
key = _get_transition_key(e.path, e.taxonomy_info)
self.ctx.previous_record_index[key] = e
# Create the job handlers.
job_handlers = {
JOB_LOAD: LoadJobHandler(self.ctx),
JOB_RENDER_FIRST: RenderFirstSubJobHandler(self.ctx),
JOB_BAKE: BakeJobHandler(self.ctx)}
for jt, jh in job_handlers.items():
app.env.registerTimer(type(jh).__name__)
self.job_handlers = job_handlers
app.env.stepTimerSince("BakeWorkerInit", self.work_start_time)
def get_app_for_server(root_dir, debug=False, sub_cache_dir=None,
root_url='/'):
app = PieCrust(root_dir=root_dir, debug=debug)
if sub_cache_dir:
app._useSubCacheDir(sub_cache_dir)
app.config.set('site/root', root_url)
app.config.set('server/is_serving', True)
return app
def _try_run_request(self, environ, start_response):
request = Request(environ)
# We don't support anything else than GET requests since we're
# previewing something that will be static later.
if self.static_preview and request.method != 'GET':
logger.error("Only GET requests are allowed, got %s" %
request.method)
raise MethodNotAllowed()
# Handle special requests right away.
response = self._try_special_request(environ, request)
if response is not None:
return response(environ, start_response)
# Also handle requests to a pipeline-built asset right away.
response = self._try_serve_asset(environ, request)
if response is not None:
return response(environ, start_response)
# Create the app for this request.
app = PieCrust(root_dir=self.root_dir, debug=self.debug)
if self.sub_cache_dir:
app._useSubCacheDir(self.sub_cache_dir)
app.config.set('site/root', '/')
app.config.set('server/is_serving', True)
if (app.config.get('site/enable_debug_info') and
self.enable_debug_info and
'!debug' in request.args):
app.config.set('site/show_debug_info', True)
# We'll serve page assets directly from where they are.
app.env.base_asset_url_format = '/_asset/%path%'
# Let's see if it can be a page asset.
response = self._try_serve_page_asset(app, environ, request)
if response is not None:
return response(environ, start_response)
# Nope. Let's see if it's an actual page.
try:
response = self._try_serve_page(app, environ, request)
return response(environ, start_response)
except (RouteNotFoundError, SourceNotFoundError) as ex:
raise NotFound(str(ex)) from ex
except HTTPException:
raise
except Exception as ex:
if app.debug:
logger.exception(ex)
raise
msg = str(ex)
logger.error(msg)
raise InternalServerError(msg) from ex
def _try_run_request(self, environ, start_response):
request = Request(environ)
# We don't support anything else than GET requests since we're
# previewing something that will be static later.
if self.static_preview and request.method != 'GET':
logger.error("Only GET requests are allowed, got %s" %
request.method)
raise MethodNotAllowed()
# Handle special requests right away.
response = self._try_special_request(environ, request)
if response is not None:
return response(environ, start_response)
# Also handle requests to a pipeline-built asset right away.
response = self._try_serve_asset(environ, request)
if response is not None:
return response(environ, start_response)
# Create the app for this request.
app = PieCrust(root_dir=self.root_dir, debug=self.debug)
app._useSubCacheDir(self.sub_cache_dir)
app.config.set('site/root', '/')
app.config.set('server/is_serving', True)
if (app.config.get('site/enable_debug_info') and self.enable_debug_info
and '!debug' in request.args):
app.config.set('site/show_debug_info', True)
# We'll serve page assets directly from where they are.
app.env.base_asset_url_format = '/_asset/%path%'
# Let's see if it can be a page asset.
response = self._try_serve_page_asset(app, environ, request)
if response is not None:
return response(environ, start_response)
# Nope. Let's see if it's an actual page.
try:
response = self._try_serve_page(app, environ, request)
return response(environ, start_response)
except (RouteNotFoundError, SourceNotFoundError) as ex:
raise NotFound(str(ex)) from ex
except HTTPException:
raise
except Exception as ex:
if app.debug:
logger.exception(ex)
raise
msg = str(ex)
logger.error(msg)
raise InternalServerError(msg) from ex
def _get_location_response(source_name, content_item):
from piecrust.app import PieCrust
pcapp = PieCrust(g.site.root_dir)
source = pcapp.getSource(source_name)
page = Page(source, content_item)
uri = page.getUri()
logger.debug("Redirecting to: %s" % uri)
r = Response()
r.status_code = 201
r.headers.add('Location', uri)
return r
def test_default_source_resolve_ref(ref_path, expected_path,
expected_metadata):
fs = mock_fs()
fs.withConfig({
'site': {
'sources': {
'test': {}},
'routes': [
{'url': '/%path%', 'source': 'test'}]
}
})
expected_path = fs.path(expected_path).replace('/', os.sep)
with mock_fs_scope(fs):
app = PieCrust(fs.path('kitchen'), cache=False)
s = app.getSource('test')
actual_path, actual_metadata = s.resolveRef(ref_path)
assert actual_path == expected_path
assert actual_metadata == expected_metadata
def test_default_source_factories(fs, expected_paths, expected_slugs):
fs.withConfig({
'site': {
'sources': {
'test': {}},
'routes': [
{'url': '/%path%', 'source': 'test'}]
}
})
fs.withDir('kitchen/test')
with mock_fs_scope(fs):
app = PieCrust(fs.path('kitchen'), cache=False)
s = app.getSource('test')
facs = list(s.buildPageFactories())
paths = [f.rel_path for f in facs]
assert paths == expected_paths
slugs = [f.metadata['slug'] for f in facs]
assert slugs == expected_slugs
def test_default_source_factories(fs, expected_paths, expected_slugs):
fs.withConfig({
'site': {
'sources': {
'test': {}
},
'routes': [{
'url': '/%path%',
'source': 'test'
}]
}
})
fs.withDir('kitchen/test')
with mock_fs_scope(fs):
app = PieCrust(fs.path('kitchen'), cache=False)
s = app.getSource('test')
facs = list(s.buildPageFactories())
paths = [f.rel_path for f in facs]
assert paths == expected_paths
slugs = [f.metadata['slug'] for f in facs]
assert slugs == expected_slugs
def test_default_source_resolve_ref(ref_path, expected_path,
expected_metadata):
fs = mock_fs()
fs.withConfig({
'site': {
'sources': {
'test': {}
},
'routes': [{
'url': '/%path%',
'source': 'test'
}]
}
})
expected_path = fs.path(expected_path).replace('/', os.sep)
with mock_fs_scope(fs):
app = PieCrust(fs.path('kitchen'), cache=False)
s = app.getSource('test')
actual_path, actual_metadata = s.resolveRef(ref_path)
assert actual_path == expected_path
assert actual_metadata == expected_metadata
def _initPipeline(self):
# Create the app and pipeline.
self.app = PieCrust(root_dir=self.root_dir, debug=self.debug)
if self.sub_cache_dir:
self.app._useSubCacheDir(self.sub_cache_dir)
self.pipeline = ProcessorPipeline(self.app, self.out_dir)
# Get the list of assets directories.
self._roots = list(self.pipeline.mounts.keys())
# The 'assets' folder may not be in the mounts list if it doesn't
# exist yet, but we want to monitor for when the user creates it.
default_root = os.path.join(self.app.root_dir, 'assets')
self._monitor_assets_root = (default_root not in self._roots)
# Build the list of initial asset files.
self._paths = set()
for root in self._roots:
for dirpath, dirnames, filenames in os.walk(root):
self._paths |= set([os.path.join(dirpath, f)
for f in filenames])
def getWsgiApp(self):
# Bake all the assets so we know what we have, and so we can serve
# them to the client. We need a temp app for this.
app = PieCrust(root_dir=self.root_dir, debug=self.debug)
app._useSubCacheDir(self.sub_cache_dir)
self._out_dir = os.path.join(app.sub_cache_dir, 'server')
self._page_record = ServeRecord()
if not self.run_sse_check or self.run_sse_check():
# When using a server with code reloading, some implementations
# use process forking and we end up going here twice. We only want
# to start the pipeline loop in the inner process most of the
# time so we let the implementation tell us if this is OK.
from piecrust.processing.base import ProcessorPipeline
from piecrust.serving.procloop import ProcessingLoop
pipeline = ProcessorPipeline(app, self._out_dir)
self._proc_loop = ProcessingLoop(pipeline)
self._proc_loop.start()
# Run the WSGI app.
wsgi_wrapper = WsgiServerWrapper(self)
return wsgi_wrapper
def getWsgiApp(self):
# Bake all the assets so we know what we have, and so we can serve
# them to the client. We need a temp app for this.
app = PieCrust(root_dir=self.root_dir, debug=self.debug)
if self.sub_cache_dir:
app._useSubCacheDir(self.sub_cache_dir)
self._out_dir = os.path.join(app.sub_cache_dir, 'server')
if not self.run_sse_check or self.run_sse_check():
# When using a server with code reloading, some implementations
# use process forking and we end up going here twice. We only want
# to start the pipeline loop in the inner process most of the
# time so we let the implementation tell us if this is OK.
from piecrust.processing.pipeline import ProcessorPipeline
from piecrust.serving.procloop import ProcessingLoop
pipeline = ProcessorPipeline(app, self._out_dir)
self._proc_loop = ProcessingLoop(pipeline)
self._proc_loop.start()
# Run the WSGI app.
wsgi_wrapper = WsgiServerWrapper(self)
return wsgi_wrapper
def _initPipeline(self):
# Create the app and pipeline.
self.app = PieCrust(root_dir=self.root_dir, debug=self.debug)
if self.sub_cache_dir:
self.app._useSubCacheDir(self.sub_cache_dir)
self.pipeline = ProcessorPipeline(self.app, self.out_dir)
# Get the list of assets directories.
self._roots = list(self.pipeline.mounts.keys())
# The 'assets' folder may not be in the mounts list if it doesn't
# exist yet, but we want to monitor for when the user creates it.
default_root = os.path.join(self.app.root_dir, "assets")
self._monitor_assets_root = default_root not in self._roots
# Build the list of initial asset files.
self._paths = set()
for root in self._roots:
for dirpath, dirnames, filenames in os.walk(root):
self._paths |= set([os.path.join(dirpath, f) for f in filenames])
def initialize(self):
# Create the app local to this worker.
app = PieCrust(self.ctx.root_dir, debug=self.ctx.debug)
app.env.registerTimer("PipelineWorker_%d_Total" % self.wid)
app.env.registerTimer("PipelineWorkerInit")
app.env.registerTimer("JobReceive")
app.env.registerTimer('BuildProcessingTree')
app.env.registerTimer('RunProcessingTree')
self.app = app
processors = app.plugin_loader.getProcessors()
if self.ctx.enabled_processors:
logger.debug("Filtering processors to: %s" %
self.ctx.enabled_processors)
processors = get_filtered_processors(processors,
self.ctx.enabled_processors)
if self.ctx.additional_processors:
logger.debug("Adding %s additional processors." %
len(self.ctx.additional_processors))
for proc in self.ctx.additional_processors:
app.env.registerTimer(proc.__class__.__name__)
proc.initialize(app)
processors.append(proc)
self.processors = processors
# Invoke pre-processors.
pipeline_ctx = PipelineContext(self.wid, self.app, self.ctx.out_dir,
self.ctx.tmp_dir, self.ctx.force)
for proc in processors:
proc.onPipelineStart(pipeline_ctx)
# Sort our processors again in case the pre-process step involved
# patching the processors with some new ones.
processors.sort(key=lambda p: p.priority)
app.env.stepTimerSince("PipelineWorkerInit", self.work_start_time)
def getApp(self, *, cache=True, theme_site=False):
root_dir = self.path('/kitchen')
return PieCrust(root_dir,
cache=cache,
debug=True,
theme_site=theme_site)
class ProcessingLoop(threading.Thread):
def __init__(self, root_dir, out_dir, sub_cache_dir=None, debug=False):
super(ProcessingLoop, self).__init__(name="pipeline-reloader", daemon=True)
self.root_dir = root_dir
self.out_dir = out_dir
self.sub_cache_dir = sub_cache_dir
self.debug = debug
self.last_status_id = 0
self.interval = 1
self.app = None
self._roots = []
self._monitor_assets_root = False
self._paths = set()
self._config_path = os.path.join(root_dir, "config.yml")
self._record = None
self._last_bake = 0
self._last_config_mtime = 0
self._obs = []
self._obs_lock = threading.Lock()
def addObserver(self, obs):
with self._obs_lock:
self._obs.append(obs)
def removeObserver(self, obs):
with self._obs_lock:
self._obs.remove(obs)
def run(self):
self._initPipeline()
self._last_bake = time.time()
self._last_config_mtime = os.path.getmtime(self._config_path)
self._record = self.pipeline.run()
while True:
cur_config_time = os.path.getmtime(self._config_path)
if self._last_config_mtime < cur_config_time:
logger.info("Site configuration changed, reloading pipeline.")
self._last_config_mtime = cur_config_time
self._initPipeline()
for root in self._roots:
self._runPipeline(root)
continue
if self._monitor_assets_root:
assets_dir = os.path.join(self.app.root_dir, "assets")
if os.path.isdir(assets_dir):
logger.info("Assets directory was created, reloading " "pipeline.")
self._initPipeline()
self._runPipeline(assets_dir)
continue
for root in self._roots:
# For each mount root we try to find the first new or
# modified file. If any, we just run the pipeline on
# that mount.
found_new_or_modified = False
for dirpath, dirnames, filenames in os.walk(root):
for filename in filenames:
path = os.path.join(dirpath, filename)
if path not in self._paths:
logger.debug("Found new asset: %s" % path)
self._paths.add(path)
found_new_or_modified = True
break
if os.path.getmtime(path) > self._last_bake:
logger.debug("Found modified asset: %s" % path)
found_new_or_modified = True
break
if found_new_or_modified:
break
if found_new_or_modified:
self._runPipeline(root)
time.sleep(self.interval)
def _initPipeline(self):
# Create the app and pipeline.
self.app = PieCrust(root_dir=self.root_dir, debug=self.debug)
if self.sub_cache_dir:
self.app._useSubCacheDir(self.sub_cache_dir)
self.pipeline = ProcessorPipeline(self.app, self.out_dir)
# Get the list of assets directories.
self._roots = list(self.pipeline.mounts.keys())
# The 'assets' folder may not be in the mounts list if it doesn't
# exist yet, but we want to monitor for when the user creates it.
default_root = os.path.join(self.app.root_dir, "assets")
self._monitor_assets_root = default_root not in self._roots
# Build the list of initial asset files.
self._paths = set()
for root in self._roots:
for dirpath, dirnames, filenames in os.walk(root):
self._paths |= set([os.path.join(dirpath, f) for f in filenames])
def _runPipeline(self, root):
self._last_bake = time.time()
try:
self._record = self.pipeline.run(root, previous_record=self._record, save_record=False)
status_id = self.last_status_id + 1
self.last_status_id += 1
if self._record.success:
changed = filter(lambda i: not i.was_collapsed_from_last_run, self._record.entries)
changed = itertools.chain.from_iterable(map(lambda i: i.rel_outputs, changed))
changed = list(changed)
item = {"id": status_id, "type": "pipeline_success", "assets": changed}
self._notifyObservers(item)
else:
item = {"id": status_id, "type": "pipeline_error", "assets": []}
for entry in self._record.entries:
if entry.errors:
asset_item = {"path": entry.path, "errors": list(entry.errors)}
item["assets"].append(asset_item)
self._notifyObservers(item)
except Exception as ex:
logger.exception(ex)
def _notifyObservers(self, item):
with self._obs_lock:
observers = list(self._obs)
for obs in observers:
obs.addBuildEvent(item)
class ProcessingLoop(threading.Thread):
def __init__(self, root_dir, out_dir, sub_cache_dir=None, debug=False):
super(ProcessingLoop, self).__init__(
name='pipeline-reloader', daemon=True)
self.root_dir = root_dir
self.out_dir = out_dir
self.sub_cache_dir = sub_cache_dir
self.debug = debug
self.last_status_id = 0
self.interval = 1
self.app = None
self._roots = []
self._monitor_assets_root = False
self._paths = set()
self._config_path = os.path.join(root_dir, 'config.yml')
self._record = None
self._last_bake = 0
self._last_config_mtime = 0
self._obs = []
self._obs_lock = threading.Lock()
def addObserver(self, obs):
with self._obs_lock:
self._obs.append(obs)
def removeObserver(self, obs):
with self._obs_lock:
self._obs.remove(obs)
def run(self):
self._initPipeline()
self._last_bake = time.time()
self._last_config_mtime = os.path.getmtime(self._config_path)
self._record = self.pipeline.run()
while True:
cur_config_time = os.path.getmtime(self._config_path)
if self._last_config_mtime < cur_config_time:
logger.info("Site configuration changed, reloading pipeline.")
self._last_config_mtime = cur_config_time
self._initPipeline()
for root in self._roots:
self._runPipeline(root)
continue
if self._monitor_assets_root:
assets_dir = os.path.join(self.app.root_dir, 'assets')
if os.path.isdir(assets_dir):
logger.info("Assets directory was created, reloading "
"pipeline.")
self._initPipeline()
self._runPipeline(assets_dir)
continue
for root in self._roots:
# For each mount root we try to find the first new or
# modified file. If any, we just run the pipeline on
# that mount.
found_new_or_modified = False
for dirpath, dirnames, filenames in os.walk(root):
for filename in filenames:
path = os.path.join(dirpath, filename)
if path not in self._paths:
logger.debug("Found new asset: %s" % path)
self._paths.add(path)
found_new_or_modified = True
break
if os.path.getmtime(path) > self._last_bake:
logger.debug("Found modified asset: %s" % path)
found_new_or_modified = True
break
if found_new_or_modified:
break
if found_new_or_modified:
self._runPipeline(root)
time.sleep(self.interval)
def _initPipeline(self):
# Create the app and pipeline.
self.app = PieCrust(root_dir=self.root_dir, debug=self.debug)
if self.sub_cache_dir:
self.app._useSubCacheDir(self.sub_cache_dir)
self.pipeline = ProcessorPipeline(self.app, self.out_dir)
# Get the list of assets directories.
self._roots = list(self.pipeline.mounts.keys())
# The 'assets' folder may not be in the mounts list if it doesn't
# exist yet, but we want to monitor for when the user creates it.
default_root = os.path.join(self.app.root_dir, 'assets')
self._monitor_assets_root = (default_root not in self._roots)
# Build the list of initial asset files.
self._paths = set()
for root in self._roots:
for dirpath, dirnames, filenames in os.walk(root):
self._paths |= set([os.path.join(dirpath, f)
for f in filenames])
def _runPipeline(self, root):
self._last_bake = time.time()
try:
self._record = self.pipeline.run(
root,
previous_record=self._record,
save_record=False)
status_id = self.last_status_id + 1
self.last_status_id += 1
if self._record.success:
changed = filter(
lambda i: not i.was_collapsed_from_last_run,
self._record.entries)
changed = itertools.chain.from_iterable(
map(lambda i: i.rel_outputs, changed))
changed = list(changed)
item = {
'id': status_id,
'type': 'pipeline_success',
'assets': changed}
self._notifyObservers(item)
else:
item = {
'id': status_id,
'type': 'pipeline_error',
'assets': []}
for entry in self._record.entries:
if entry.errors:
asset_item = {
'path': entry.path,
'errors': list(entry.errors)}
item['assets'].append(asset_item)
self._notifyObservers(item)
except Exception as ex:
logger.exception(ex)
def _notifyObservers(self, item):
with self._obs_lock:
observers = list(self._obs)
for obs in observers:
obs.addBuildEvent(item)
def getApp(self, cache=True):
root_dir = self.path('/kitchen')
return PieCrust(root_dir, cache=cache, debug=True)
def _run_chef(pre_args):
# Setup the app.
start_time = time.clock()
root = pre_args.root
if root is None:
try:
root = find_app_root()
except SiteNotFoundError:
root = None
if not root:
app = NullPieCrust()
else:
app = PieCrust(root, cache=pre_args.cache, debug=pre_args.debug)
# Build a hash for a custom cache directory.
cache_key = 'default'
# Handle a configuration variant.
if pre_args.config_variant is not None:
if not root:
raise SiteNotFoundError("Can't apply any variant.")
app.config.applyVariant('variants/' + pre_args.config_variant)
cache_key += ',variant=%s' % pre_args.config_variant
for name, value in pre_args.config_values:
logger.debug("Setting configuration '%s' to: %s" % (name, value))
app.config.set(name, value)
cache_key += ',%s=%s' % (name, value)
# Setup the arg parser.
parser = argparse.ArgumentParser(
prog='chef',
description="The PieCrust chef manages your website.",
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument('--version',
action='version',
version=('%(prog)s ' + APP_VERSION))
parser.add_argument('--root', help="The root directory of the website.")
parser.add_argument(
'--config', help="The configuration variant to use for this command.")
parser.add_argument('--config-set',
help="Sets a specific site configuration setting.")
parser.add_argument('--debug',
help="Show debug information.",
action='store_true')
parser.add_argument('--no-cache',
help="When applicable, disable caching.",
action='store_true')
parser.add_argument('--quiet',
help="Print only important information.",
action='store_true')
parser.add_argument('--log',
help="Send log messages to the specified file.")
parser.add_argument('--log-debug',
help="Log debug messages to the log file.",
action='store_true')
commands = sorted(app.plugin_loader.getCommands(), key=lambda c: c.name)
subparsers = parser.add_subparsers(title='list of commands')
for c in commands:
p = subparsers.add_parser(c.name, help=c.description)
c.setupParser(p, app)
p.set_defaults(func=c.checkedRun)
p.set_defaults(cache_name=c.cache_name)
help_cmd = next(filter(lambda c: c.name == 'help', commands), None)
if help_cmd and help_cmd.has_topics:
with io.StringIO() as epilog:
epilog.write("additional help topics:\n")
for name, desc in help_cmd.getTopics():
print_help_item(epilog, name, desc)
parser.epilog = epilog.getvalue()
# Parse the command line.
result = parser.parse_args()
logger.debug(
format_timed(start_time, 'initialized PieCrust', colored=False))
# Print the help if no command was specified.
if not hasattr(result, 'func'):
parser.print_help()
return 0
# Use a customized cache for the command and current config.
if result.cache_name != 'default' or cache_key != 'default':
app.useSubCache(result.cache_name, cache_key)
# Run the command!
ctx = CommandContext(app, parser, result)
exit_code = result.func(ctx)
if exit_code is None:
return 0
if not isinstance(exit_code, int):
logger.error("Got non-integer exit code: %s" % exit_code)
return -1
return exit_code
