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|
"""
Entry point for CherryPy's WSGI server
"""
try:
from cherrypy import wsgiserver
except ImportError:
print('=' * 60)
print('== You must install CherryPy (pip install cherrypy) to use the egg:PasteScript#cherrypy server')
print('=' * 60)
raise
try:
import ssl
from cherrypy.wsgiserver.ssl_builtin import BuiltinSSLAdapter
except ImportError:
builtin = False
else:
builtin = True
def cpwsgi_server(app, global_conf=None, host='127.0.0.1', port=None,
ssl_pem=None, protocol_version=None, numthreads=None,
server_name=None, max=None, request_queue_size=None,
timeout=None):
"""
Serves the specified WSGI app via CherryPyWSGIServer.
``app``
The WSGI 'application callable'; multiple WSGI applications
may be passed as (script_name, callable) pairs.
``host``
This is the ipaddress to bind to (or a hostname if your
nameserver is properly configured). This defaults to
127.0.0.1, which is not a public interface.
``port``
The port to run on, defaults to 8080 for HTTP, or 4443 for
HTTPS. This can be a string or an integer value.
``ssl_pem``
This an optional SSL certificate file (via OpenSSL) You can
generate a self-signed test PEM certificate file as follows:
$ openssl genrsa 1024 > host.key
$ chmod 400 host.key
$ openssl req -new -x509 -nodes -sha1 -days 365 \\
-key host.key > host.cert
$ cat host.cert host.key > host.pem
$ chmod 400 host.pem
``protocol_version``
The protocol used by the server, by default ``HTTP/1.1``.
``numthreads``
The number of worker threads to create.
``server_name``
The string to set for WSGI's SERVER_NAME environ entry.
``max``
The maximum number of queued requests. (defaults to -1 = no
limit).
``request_queue_size``
The 'backlog' argument to socket.listen(); specifies the
maximum number of queued connections.
``timeout``
The timeout in seconds for accepted connections.
"""
is_ssl = False
if ssl_pem:
port = port or 4443
is_ssl = True
if not port:
if ':' in host:
host, port = host.split(':', 1)
else:
port = 8080
bind_addr = (host, int(port))
kwargs = {}
for var_name in ('numthreads', 'max', 'request_queue_size', 'timeout'):
var = locals()[var_name]
if var is not None:
kwargs[var_name] = int(var)
server = wsgiserver.CherryPyWSGIServer(bind_addr, app,
server_name=server_name, **kwargs)
if is_ssl:
if builtin:
server.ssl_module = 'builtin'
server.ssl_adapter = BuiltinSSLAdapter(ssl_pem, ssl_pem)
else:
server.ssl_certificate = server.ssl_private_key = ssl_pem
if protocol_version:
server.protocol = protocol_version
try:
protocol = is_ssl and 'https' or 'http'
if host == '0.0.0.0':
print('serving on 0.0.0.0:%s view at %s://127.0.0.1:%s' % \
(port, protocol, port))
else:
print("serving on %s://%s:%s" % (protocol, host, port))
server.start()
except (KeyboardInterrupt, SystemExit):
server.stop()
return server
|
