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3185830e3a
I was supposed to amend the original patch that added this function, but somehow I botched that. The original version runs, so make an extra commit for the tidying.
151 lines
4.5 KiB
Python
151 lines
4.5 KiB
Python
import email.message
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import mailbox
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import pathlib
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import shutil
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import socket
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import subprocess
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import textwrap
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import time
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import os
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import pytest
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def pytest_report_header():
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which = shutil.which('notmuch')
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vers = subprocess.run(['notmuch', '--version'], stdout=subprocess.PIPE)
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return ['{} ({})'.format(vers.stdout.decode(errors='replace').strip(),which)]
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@pytest.fixture(scope='function')
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def tmppath(tmpdir):
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"""The tmpdir fixture wrapped in pathlib.Path."""
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return pathlib.Path(str(tmpdir))
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@pytest.fixture
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def notmuch(maildir):
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"""Return a function which runs notmuch commands on our test maildir.
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This uses the notmuch-config file created by the ``maildir``
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fixture.
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"""
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def run(*args):
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"""Run a notmuch comand.
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This function runs with a timeout error as many notmuch
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commands may block if multiple processes are trying to open
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the database in write-mode. It is all too easy to
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accidentally do this in the unittests.
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"""
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cfg_fname = maildir.path / 'notmuch-config'
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cmd = ['notmuch'] + list(args)
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env = os.environ.copy()
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env['NOTMUCH_CONFIG'] = str(cfg_fname)
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proc = subprocess.run(cmd,
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timeout=5,
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env=env)
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proc.check_returncode()
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return run
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@pytest.fixture
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def maildir(tmppath):
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"""A basic test interface to a valid maildir directory.
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This creates a valid maildir and provides a simple mechanism to
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deliver test emails to it. It also writes a notmuch-config file
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in the top of the maildir.
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"""
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cur = tmppath / 'cur'
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cur.mkdir()
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new = tmppath / 'new'
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new.mkdir()
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tmp = tmppath / 'tmp'
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tmp.mkdir()
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cfg_fname = tmppath/'notmuch-config'
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with cfg_fname.open('w') as fp:
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fp.write(textwrap.dedent("""\
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[database]
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path={tmppath!s}
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[user]
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name=Some Hacker
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primary_email=dst@example.com
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[new]
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tags=unread;inbox;
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ignore=
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[search]
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exclude_tags=deleted;spam;
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[maildir]
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synchronize_flags=true
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[crypto]
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gpg_path=gpg
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""".format(tmppath=tmppath)))
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return MailDir(tmppath)
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class MailDir:
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"""An interface around a correct maildir."""
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def __init__(self, path):
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self._path = pathlib.Path(path)
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self.mailbox = mailbox.Maildir(str(path))
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self._idcount = 0
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@property
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def path(self):
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"""The pathname of the maildir."""
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return self._path
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def _next_msgid(self):
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"""Return a new unique message ID."""
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msgid = '{}@{}'.format(self._idcount, socket.getfqdn())
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self._idcount += 1
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return msgid
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def deliver(self,
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subject='Test mail',
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body='This is a test mail',
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to='dst@example.com',
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frm='src@example.com',
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headers=None,
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new=False, # Move to new dir or cur dir?
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keywords=None, # List of keywords or labels
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seen=False, # Seen flag (cur dir only)
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replied=False, # Replied flag (cur dir only)
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flagged=False): # Flagged flag (cur dir only)
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"""Deliver a new mail message in the mbox.
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This does only adds the message to maildir, does not insert it
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into the notmuch database.
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:returns: A tuple of (msgid, pathname).
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"""
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msgid = self._next_msgid()
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when = time.time()
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msg = email.message.EmailMessage()
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msg.add_header('Received', 'by MailDir; {}'.format(time.ctime(when)))
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msg.add_header('Message-ID', '<{}>'.format(msgid))
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msg.add_header('Date', time.ctime(when))
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msg.add_header('From', frm)
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msg.add_header('To', to)
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msg.add_header('Subject', subject)
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if headers:
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for h, v in headers:
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msg.add_header(h, v)
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msg.set_content(body)
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mdmsg = mailbox.MaildirMessage(msg)
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if not new:
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mdmsg.set_subdir('cur')
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if flagged:
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mdmsg.add_flag('F')
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if replied:
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mdmsg.add_flag('R')
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if seen:
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mdmsg.add_flag('S')
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boxid = self.mailbox.add(mdmsg)
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basename = boxid
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if mdmsg.get_info():
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basename += mailbox.Maildir.colon + mdmsg.get_info()
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msgpath = self.path / mdmsg.get_subdir() / basename
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return (msgid, msgpath)
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