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Add --number option to tail

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This commit is contained in:
Midgard 2024-11-22 23:22:20 +01:00
parent 6225ace7e3
commit ed55f6d115
Signed by: midgard
GPG key ID: 511C112F1331BBB4
1 changed files with 20 additions and 13 deletions
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27
mmcli/mmcli.py
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@ -4,6 +4,7 @@ import sys
import argparse
import os
import json
import itertools
from typing import Dict, Optional, List, Iterable, Tuple
import re
from time import sleep
@ -50,7 +51,7 @@ def get_user_id(mm_api: mattermost.MMApi):
return mm_api._my_user_id
def get_posts_for_channel(self, channel_id: str, progress=lambda x: None, after=None, **kwargs) -> Iterable[Dict]:
def get_posts_for_channel(self, channel_id: str, progress=lambda x: None, after=None, maximum=None, **kwargs) -> Iterable[Dict]:
"""
@raises ApiException: Passed on from lower layers.
"""
@ -59,6 +60,9 @@ def get_posts_for_channel(self, channel_id: str, progress=lambda x: None, after=
total = 0
if after:
if maximum is not None:
raise ValueError("after and maximum cannot be used together")
# Posts in channel after a given ID: API gives pages with OLDEST messages first, so we can
# yield each page when it is fetched
while True:
@ -86,14 +90,19 @@ def get_posts_for_channel(self, channel_id: str, progress=lambda x: None, after=
data_page = self._get(f"/v4/channels/{channel_id}/posts", params={"page": page, "per_page": per_page, **kwargs})
order = data_page["order"]
posts.extend(
this_maximum = None if maximum is None else maximum - len(posts)
posts.extend(itertools.islice(
(
data_page["posts"][post_id]
for post_id in order
if post_id not in post_ids
)
),
this_maximum
))
post_ids |= set(order)
progress(len(posts))
if len(order) < per_page:
if len(order) < per_page or len(posts) >= maximum:
break
page += 1
sleep(0.1)
@ -254,6 +263,8 @@ def cat(mm_api: mattermost.MMApi, cmdline_args):
def tail(mm_api: mattermost.MMApi, cmdline_args):
desired_count = cmdline_args.number
team, channel = resolve_team_channel(mm_api, cmdline_args.channel)
if not cmdline_args.ids:
@ -276,12 +287,7 @@ def tail(mm_api: mattermost.MMApi, cmdline_args):
backlog_lock = threading.Lock()
def print_initial_messages():
data_page = mm_api._get(f"/v4/channels/{channel['id']}/posts")
order = data_page["order"]
posts = [
data_page["posts"][post_id]
for post_id in reversed(order)
]
posts = get_posts_for_channel(mm_api, channel["id"], maximum=desired_count)
for post in posts:
print(str_for_post(attribute, post, cmdline_args))
@ -616,6 +622,7 @@ Security note: Other programs and users can typically read which arguments you g
parser_tail = subparsers.add_parser("tail", help="list newest messages in channel")
parser_tail.add_argument("channel", help="URL names of team and channel: '<team>/<channel>'")
parser_tail.add_argument("-f", "--follow", action="store_true", help="keep running, printing new posts as they come in")
parser_tail.add_argument("-n", "--number", type=int, default=200, help="maximum amount of messages of backlog to fetch (when using with -f, new posts will be printed without limit)")
parser_ls = subparsers.add_parser("ls", help="list channels")
parser_ls.add_argument("team", help="URL name of team")