Split plug-in code from handler code for services (refs #27).

[software/pymin.git] / services / proxy / __init__.py

diff --git a/services/proxy/__init__.py b/services/proxy/__init__.py
index 6aff5cda686e48c7ed68da5275b5b861bfe9f7f7..ab2e84cce2f959f6d78c29154c55d99bddd94a57 100644 (file)
--- a/services/proxy/__init__.py
+++ b/services/proxy/__init__.py
@@ -1,160 +1,7 @@
 # vim: set encoding=utf-8 et sw=4 sts=4 :
 
-from os import path
+from handler import ProxyHandler
 
-from seqtools import Sequence
-from dispatcher import Handler, handler, HandlerError
-from services.util import Restorable, ConfigWriter
-from services.util import InitdHandler, TransactionalHandler, ParametersHandler
+def get_service(config):
+    return ProxyHandler(config.proxy.pickle_dir, config.proxy.config_dir)
 
-__ALL__ = ('ProxyHandler', 'Error', 'HostError', 'HostAlreadyExistsError',
-            'HostNotFoundError', 'ParameterError', 'ParameterNotFoundError')
-
-class Error(HandlerError):
-    r"""
-    Error(command) -> Error instance :: Base DnsHandler exception class.
-
-    All exceptions raised by the DnsHandler inherits from this one, so you can
-    easily catch any DnsHandler exception.
-
-    message - A descriptive error message.
-    """
-
-    def __init__(self, message):
-        r"Initialize the Error object. See class documentation for more info."
-        self.message = message
-
-    def __str__(self):
-        return self.message
-
-class HostError(Error, KeyError):
-    r"""
-    HostError(hostname) -> HostError instance
-
-    This is the base exception for all host related errors.
-    """
-
-    def __init__(self, hostname):
-        r"Initialize the object. See class documentation for more info."
-        self.message = 'Host error: "%s"' % hostname
-
-class HostAlreadyExistsError(HostError):
-    r"""
-    HostAlreadyExistsError(hostname) -> HostAlreadyExistsError instance
-
-    This exception is raised when trying to add a hostname that already exists.
-    """
-
-    def __init__(self, hostname):
-        r"Initialize the object. See class documentation for more info."
-        self.message = 'Host already exists: "%s"' % hostname
-
-class HostNotFoundError(HostError):
-    r"""
-    HostNotFoundError(hostname) -> HostNotFoundError instance
-
-    This exception is raised when trying to operate on a hostname that doesn't
-    exists.
-    """
-
-    def __init__(self, hostname):
-        r"Initialize the object. See class documentation for more info."
-        self.message = 'Host not found: "%s"' % hostname
-
-class ParameterError(Error, KeyError):
-    r"""
-    ParameterError(paramname) -> ParameterError instance
-
-    This is the base exception for all DhcpHandler parameters related errors.
-    """
-
-    def __init__(self, paramname):
-        r"Initialize the object. See class documentation for more info."
-        self.message = 'Parameter error: "%s"' % paramname
-
-class ParameterNotFoundError(ParameterError):
-    r"""
-    ParameterNotFoundError(hostname) -> ParameterNotFoundError instance
-
-    This exception is raised when trying to operate on a parameter that doesn't
-    exists.
-    """
-
-    def __init__(self, paramname):
-        r"Initialize the object. See class documentation for more info."
-        self.message = 'Parameter not found: "%s"' % paramname
-
-class Host(Sequence):
-
-    def __init__(self,ip):
-        self.ip = ip
-
-    def as_tuple(self):
-        return (self.ip)
-
-class HostHandler(Handler):
-
-    def __init__(self, hosts):
-        self.hosts = hosts
-
-    @handler(u'Adds a host')
-    def add(self, ip):
-        if ip in self.hosts:
-            raise HostAlreadyExistsError(ip)
-        self.hosts[ip] = Host(ip)
-
-    @handler(u'Deletes a host')
-    def delete(self, ip):
-        if not ip in self.hosts:
-            raise HostNotFoundError(ip)
-        del self.hosts[ip]
-
-    @handler(u'Shows all hosts')
-    def list(self):
-        return self.hosts.keys()
-
-    @handler(u'Get information about all hosts')
-    def show(self):
-        return self.hosts.items()
-
-
-class ProxyHandler(Restorable, ConfigWriter, InitdHandler,
-                   TransactionalHandler, ParametersHandler):
-
-    _initd_name = 'squid'
-
-    _persistent_attrs = ('params', 'hosts')
-
-    _restorable_defaults = dict(
-            hosts = dict(),
-            params  = dict(
-                ip   = '192.168.0.1',
-                port = '8080',
-            ),
-    )
-
-    _config_writer_files = 'squid.conf'
-    _config_writer_tpl_dir = path.join(path.dirname(__file__), 'templates')
-
-    def __init__(self, pickle_dir='.', config_dir='.'):
-        r"Initialize DhcpHandler object, see class documentation for details."
-        self._persistent_dir = pickle_dir
-        self._config_writer_cfg_dir = config_dir
-        self._config_build_templates()
-        self._restore()
-        self.host = HostHandler(self.hosts)
-
-    def _get_config_vars(self, config_file):
-        return dict(hosts=self.hosts.values(), **self.params)
-
-
-if __name__ == '__main__':
-
-    px = ProxyHandler()
-    px.set('ip','192.66.66.66')
-    px.set('port','666')
-    px.host.add('192.168.0.25.25')
-    px.host.add('192.168.0.25.26')
-    px.host.add('192.168.0.25.27')
-    px.host.delete('192.168.0.25.27')
-    px.commit()
\ No newline at end of file