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|
==============================
Command line message injection
==============================
You can inject a message directly into a queue directory via the command
line.
::
>>> from mailman.commands.cli_inject import Inject
>>> command = Inject()
>>> class FakeArgs:
... queue = None
... show = False
... filename = None
... listname = None
... keywords = []
>>> args = FakeArgs()
>>> class FakeParser:
... def error(self, message):
... print(message)
>>> command.parser = FakeParser()
It's easy to find out which queues are available.
::
>>> args.show = True
>>> command.process(args)
Available queues:
archive
bad
bounces
command
digest
in
nntp
out
pipeline
retry
shunt
virgin
>>> args.show = False
Usually, the text of the message to inject is in a file.
>>> import os, tempfile
>>> fd, filename = tempfile.mkstemp()
>>> with os.fdopen(fd, 'w') as fp:
... print("""\
... From: aperson@example.com
... To: test@example.com
... Subject: testing
... Message-ID: <aardvark>
...
... This is a test message.
... """, file=fp)
However, the mailing list name is always required.
>>> args.filename = filename
>>> command.process(args)
List name is required
Let's provide a list name and try again.
::
>>> mlist = create_list('test@example.com')
>>> transaction.commit()
>>> from mailman.testing.helpers import get_queue_messages
>>> get_queue_messages('in')
[]
>>> args.listname = ['test@example.com']
>>> command.process(args)
By default, the incoming queue is used.
::
>>> items = get_queue_messages('in')
>>> len(items)
1
>>> print(items[0].msg.as_string())
From: aperson@example.com
To: test@example.com
Subject: testing
Message-ID: ...
Date: ...
<BLANKLINE>
This is a test message.
<BLANKLINE>
<BLANKLINE>
>>> dump_msgdata(items[0].msgdata)
_parsemsg : False
listid : test.example.com
original_size: 203
version : 3
But a different queue can be specified on the command line.
::
>>> args.queue = 'virgin'
>>> command.process(args)
>>> get_queue_messages('in')
[]
>>> items = get_queue_messages('virgin')
>>> len(items)
1
>>> print(items[0].msg.as_string())
From: aperson@example.com
To: test@example.com
Subject: testing
Message-ID: ...
Date: ...
<BLANKLINE>
This is a test message.
<BLANKLINE>
<BLANKLINE>
>>> dump_msgdata(items[0].msgdata)
_parsemsg : False
listid : test.example.com
original_size: 203
version : 3
Standard input
==============
The message text can also be provided on standard input.
::
>>> from six import StringIO
# Remember: we've got unicode literals turned on.
>>> standard_in = StringIO(str("""\
... From: bperson@example.com
... To: test@example.com
... Subject: another test
... Message-ID: <badger>
...
... This is another test message.
... """))
>>> import sys
>>> sys.stdin = standard_in
>>> args.filename = '-'
>>> args.queue = None
>>> command.process(args)
>>> items = get_queue_messages('in')
>>> len(items)
1
>>> print(items[0].msg.as_string())
From: bperson@example.com
To: test@example.com
Subject: another test
Message-ID: ...
Date: ...
<BLANKLINE>
This is another test message.
<BLANKLINE>
<BLANKLINE>
>>> dump_msgdata(items[0].msgdata)
_parsemsg : False
listid : test.example.com
original_size: 211
version : 3
.. Clean up.
>>> sys.stdin = sys.__stdin__
>>> args.filename = filename
Metadata
========
Additional metadata keys can be provided on the command line. These key/value
pairs get added to the message metadata dictionary when the message is
injected.
::
>>> args = FakeArgs()
>>> args.filename = filename
>>> args.listname = ['test@example.com']
>>> args.keywords = ['foo=one', 'bar=two']
>>> command.process(args)
>>> items = get_queue_messages('in')
>>> dump_msgdata(items[0].msgdata)
_parsemsg : False
bar : two
foo : one
listid : test.example.com
original_size: 203
version : 3
Errors
======
It is an error to specify a queue that doesn't exist.
>>> args.queue = 'xxbogusxx'
>>> command.process(args)
No such queue: xxbogusxx
It is also an error to specify a mailing list that doesn't exist.
>>> args.queue = None
>>> args.listname = ['bogus']
>>> command.process(args)
No such list: bogus
..
# Clean up the tempfile.
>>> os.remove(filename)
|
