favor the new townstats tool

master
vilmibm 2019-09-17 23:37:00 +00:00
rodič 1f7dd6707f
revize 224da69bd3
2 změnil soubory, kde provedl 0 přidání a 222 odebrání

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import json
import os
import pkgutil
import sys
from pystache import render
from .stats import tdp
FRONTPAGE_OUTPUT_PATH = '/var/www/tilde.town/index.html'
TDP_PATH = '/var/www/tilde.town/tilde.json'
def generate_homepage():
"""This function regenerates both our tdp json file and our homepage. It is
intended to be called as root from the command-line."""
template = pkgutil.get_data('tildetown', 'templates/frontpage.html')
stats = tdp()
frontpage_output = render(template, stats)
with open(TDP_PATH, 'w') as f:
f.write(json.dumps(stats))
with open(FRONTPAGE_OUTPUT_PATH, 'w') as f:
f.write(frontpage_output)
def mustache():
with open(sys.argv[1], 'r', encoding='utf-8') as f:

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#!/usr/bin/env python3
# stats.py - tilde data in tilde data protocol format.
# Copyright 2015 Michael F. Lamb <http://datagrok.org>
# License: GPLv3+
"""
Outputs JSON data conforming to "~dp (Tilde Description Protocol)" as defined
at: http://protocol.club/~datagrok/beta-wiki/tdp.html
It is a JSON structure of the form:
{
'name': (string) the name of the server.
'url': (string) the URL of the server.
'signup_url': (string) the URL of a page describing the process required to request an account on the server.
'want_users': (boolean) whether the server is currently accepting new user requests.
'admin_email': (string) the email address of the primary server administrator.
'description': (string) a free-form description for the server.
'users': [ (array) an array of users on the server, sorted by last activity time
{
'username': (string) the username of the user.
'title': (string) the HTML title of the users index.html page.
'mtime': (number) a timestamp representing the last time the users index.html was modified.
},
...
]
'user_count': (number) the number of users currently registered on the server.
}
We also overload this with some data we were using in the previous version of
stats.py, which is of the form:
{
'users': [ (array) of users on the server.
{
'default': (boolean) Is the user still using their unmodified default index.html?
'favicon': (string) a url to an image representing the user
},
...
]
'live_user_count': (number) count of live users (those who have changed their index.html)
'active_user_count': (number) count of currently logged in users
'generated_at': (string) the time this JSON was generated in '%Y-%m-%d %H:%M:%S' format.
'generated_at_msec': (number) the time this JSON was generated, in milliseconds since the epoch.
'uptime': (string) output of `uptime -p`
'news': collection of tilde.town news entries containing 'title', 'pubdate', and 'content', the latter being raw HTML
}
Usage: stats.py > /var/www/html/tilde.json
"""
import datetime
import json
import os
import pwd
import re
import subprocess
SYSTEM_USERS = ['wiki', 'root', 'ubuntu', 'nate', 'nobody']
DEFAULT_HTML_FILENAME = "/etc/skel/public_html/index.html"
NEWS_PATH = '/town/news.posts'
blank_line_re = re.compile(r'\s*\n')
title_re = re.compile(r'<title[^>]*>(.*)</title>', re.DOTALL)
def active_user_count():
"""Return the count of unique usernames logged in."""
return len(set(line.split()[0] for line in
subprocess.check_output(
["who"], universal_newlines=True).splitlines()))
def get_title(indexhtml):
"""Given an html file, return the content of its <title>"""
with open(indexhtml, 'rt', errors='ignore') as fp:
title = title_re.search(fp.read())
if title:
return title.group(1)
def get_users():
"""Generate tuples of the form (username, homedir) for all normal
users on this system.
"""
return ((p.pw_name, p.pw_dir) for p in pwd.getpwall() if
p.pw_uid >= 1000 and
p.pw_shell != '/bin/false' and
p.pw_name not in SYSTEM_USERS)
def most_recent_within(path):
"""Return the most recent timestamp among all files within path, 3
levels deep.
"""
return max(modified_times(path, maxdepth=3))
def modified_times(path, maxdepth=None):
"""Walk the directories in path, generating timestamps for all
files.
"""
for root, dirs, files in os.walk(path):
if maxdepth and len(root[len(path):].split(os.sep)) == maxdepth:
dirs.clear()
for f in files:
try:
yield os.path.getmtime(os.path.join(root, f))
except (FileNotFoundError, PermissionError):
pass
def tdp_user(username, homedir):
"""Given a unix username, and their home directory, return a TDP format
dict with information about that user.
"""
public_html = os.path.join(homedir, 'public_html')
index_html = os.path.join(public_html, 'index.html')
if os.path.exists(index_html):
return {
'username': username,
'title': get_title(index_html),
'mtime': int(most_recent_within(public_html) * 1000),
# tilde.town extensions and backward compatibility
'favicon': 'TODO',
'default': subprocess.call(
['diff', '-q', DEFAULT_HTML_FILENAME, index_html],
stdout=subprocess.DEVNULL) == 0,
}
else:
return {
'username': username,
'default': False
}
def parse_news(news_path):
"""Given a path to a .posts file, builds an returns a list of news entries with keys 'title', 'content', and 'pubdate'"""
metadata_keys = ['title', 'pubdate']
in_meta = True
in_content = False
current_entry = {'content':''}
entries = []
with open(news_path, 'r') as f:
line = 'not null'
while line:
line = f.readline()
if blank_line_re.match(line) or line.startswith('#'):
continue
elif line == '--\n':
entries.append(current_entry)
current_entry = {'content':''}
in_meta = True
in_content = False
elif in_meta:
key, value = line.split(':', 1)
current_entry[key] = value.rstrip().lstrip()
if set(metadata_keys).issubset(current_entry.keys()):
in_content = True
in_meta = False
elif in_content:
current_entry['content'] += "\n{}".format(line.lstrip().rstrip())
return entries
def tdp():
now = datetime.datetime.now()
users = sorted(
(tdp_user(u, h) for u, h in get_users()),
key=lambda x:x.get('mtime', 0),
reverse=True)
# TDP format data
data = {
'name': 'tilde.town',
'url': 'https://tilde.town',
'signup_url': 'https://cgi.tilde.town/users/signup',
'want_users': True,
'admin_email': 'nathanielksmith@gmail.com',
'description': " ".join(l.strip() for l in """
an intentional digital community for creating and sharing works of
art, educating peers, and technological anachronism. we are a
completely non-commercial, donation supported, and committed to
rejecting false technological progress in favor of empathy and
sustainable computing.
""".splitlines()),
'user_count': len(users),
'users': users,
}
# tilde.town extensions and backward compatibility
data.update({
'active_user_count': active_user_count(),
'generated_at': now.strftime('%Y-%m-%d %H:%M:%S'),
'generated_at_msec': int(now.timestamp() * 1000),
'uptime': subprocess.check_output(['uptime', '-p'], universal_newlines=True),
'live_user_count': sum(1 for x in data['users'] if not x['default']),
'news': parse_news(NEWS_PATH),
})
return data
def main():
print(json.dumps(tdp(), sort_keys=True, indent=2))
if __name__ == '__main__':
raise SystemExit(main())