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sievelib /

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sievelib
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sievelib

Client-side Sieve and Managesieve library written in Python.

  • Sieve : An Email Filtering Language (RFC 5228)
  • ManageSieve : A Protocol for Remotely Managing Sieve Scripts (Draft)

Sieve tools

What is supported

Currently, the provided parser supports most of the functionalities described in the RFC. The only exception concerns section 2.4.2.4. Encoding Characters Using "encoded-character" which is not supported.

The following extensions are also supported:

Extending the parser

It is possible to extend the parser by adding new supported commands. For example:

import sievelib

def MyCommand(sievelib.commands.ActionCommand):
    args_definition = [
        {"name": "testtag",
            "type": ["tag"],
            "write_tag": True,
            "values": [":testtag"],
            "extra_arg": {"type": "number",
                          "required": False},
            "required": False},
        {"name": "recipients",
            "type": ["string", "stringlist"],
            "required": True}
    ]

sievelib.commands.add_commands(MytestCommand)

Basic usage

The parser can either be used from the command-line:

$ cd sievelib
$ python parser.py test.sieve
Syntax OK
$

Or can be used from a python environment (or script/module):

>>> from sievelib.parser import Parser
>>> p = Parser()
>>> p.parse('require ["fileinto"];')
True
>>> p.dump()
require (type: control)
    ["fileinto"]
>>>
>>> p.parse('require ["fileinto"]')
False
>>> p.error
'line 1: parsing error: end of script reached while semicolon expected'
>>>

Simple filters creation

Some high-level classes are provided with the factory module, they make the generation of Sieve rules easier:

>>> from sievelib.factory import FilterSet
>>> fs.addfilter("rule1",
...              [("Sender", ":is", "toto@toto.com"),],
...              [("fileinto", "Toto"),])
>>> fs.tosieve()
require ["fileinto"];

# Filter: rule1
if anyof (header :is "Sender" "toto@toto.com") {
    fileinto "Toto";
}
>>>

Additionnal documentation is available with source code.

ManageSieve tools

What is supported

All mandatory commands are supported. The RENAME extension is supported, with a simulated behaviour for server that do not support it.

For the AUTHENTICATE command, supported mechanisms are DIGEST-MD5, PLAIN and LOGIN.

Basic usage

The ManageSieve client is intended to be used from another python application (there isn't any shell provided):

>>> from sievelib.managesieve import Client
>>> c = Client("server.example.com")
>>> c.connect("user", "password", starttls=False, authmech="DIGEST-MD5")
True
>>> c.listscripts()
("active_script", ["script1", "script2"])
>>> c.setactive("script1")
True
>>> c.havespace("script3", 45)
True
>>>

Additionnal documentation is available with source code.