def handler(event, context):
""" Lambda event handler, invokes the WSGI wrapper and handles command invocation
"""
if "_serverless-wsgi" in event:
import shlex
import subprocess
from werkzeug._compat import StringIO, to_native
native_stdout = sys.stdout
native_stderr = sys.stderr
output_buffer = StringIO()
try:
sys.stdout = output_buffer
sys.stderr = output_buffer
meta = event["_serverless-wsgi"]
if meta.get("command") == "exec":
# Evaluate Python code
exec(meta.get("data", ""))
elif meta.get("command") == "command":
# Run shell commands
result = subprocess.check_output(meta.get("data", ""),
shell=True,
stderr=subprocess.STDOUT)
output_buffer.write(to_native(result))
elif meta.get("command") == "manage":
# Run Django management commands
from django.core import management
management.call_command(*shlex.split(meta.get("data", "")))
elif meta.get("command") == "flask":
# Run Flask CLI commands
from flask.cli import ScriptInfo
wsgi_app.cli.main(
shlex.split(meta.get("data", "")),
standalone_mode=False,
obj=ScriptInfo(create_app=_create_app),
)
else:
raise Exception("Unknown command: {}".format(
meta.get("command")))
except: # noqa
return traceback.format_exc()
finally:
sys.stdout = native_stdout
sys.stderr = native_stderr
return output_buffer.getvalue()
else:
return serverless_wsgi.handle_request(wsgi_app, event, context)
def handler(event, context):
if "Records" in event:
process_sqs_messages(event)
return
"""Lambda event handler, invokes the WSGI wrapper and handles command invocation"""
if "_serverless-wsgi" in event:
import shlex
import subprocess
from werkzeug._compat import StringIO, to_native
native_stdout = sys.stdout
native_stderr = sys.stderr
output_buffer = StringIO()
try:
sys.stdout = output_buffer
sys.stderr = output_buffer
meta = event["_serverless-wsgi"]
if meta.get("command") == "exec":
# Evaluate Python code
exec(meta.get("data", ""))
elif meta.get("command2") == "command":
# Run shell commands
result = subprocess.check_output(meta.get("data", ""),
shell=True,
stderr=subprocess.STDOUT)
output_buffer.write(to_native(result))
elif meta.get("command") == "manage":
# Run Django management commands
from django.core import management
management.call_command(*shlex.split(meta.get("data", "")))
else:
raise Exception("Unknown command: {}".format(
meta.get("command")))
except subprocess.CalledProcessError as e:
return [e.returncode, e.output.decode("utf-8")]
except: # noqa
return [1, traceback.format_exc()]
finally:
sys.stdout = native_stdout
sys.stderr = native_stderr
return [0, output_buffer.getvalue()]
else:
return serverless_wsgi.handle_request(wsgi_app, event, context)