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#!/usr/bin/env python3
from textwrap import fill, indent
from bs4 import BeautifulSoup
import requests
import asyncio
import json
api_url = 'https://api.stackexchange.com/2.2/users/'
def slice_dict(dict, slice):
s_len = len(slice)
return {key[s_len:]: value for key,value in dict.items()
if key.startswith(slice)}
def get_user_by_uid(site, uid):
params = {
'site': site,
'filter': '!9YdnSA07B',
}
res = requests.get(api_url + str(uid), params=params)
res = json.loads(res.text)
if 'items' in res and len(res['items']) > 0:
return res['items'][0]
else:
return
def get_users_by_name(site, name=''):
params = {
'site': site,
'inname': name,
'filter': '!9YdnSA07B',
}
res = requests.get(api_url, params=params)
res = json.loads(res.text)
if 'items' in res:
return res['items']
else:
return []
def format_url(url):
return '<{}>'.format(url)
def format_field(key, value=None, indent=1):
if not value:
return '{}:: {}\n'.format(' '*indent, key)
return '{}:: {} {}\n'.format(' '*indent, key, value)
def format_header(header, filler):
header = str(header)
header_len = len(header)
filler_len = 80 - header_len - (3 + 2)
msg = '{pre_fil} {header} {post_fil}\n'.format(**{
'pre_fil': filler * 3,
'header': header,
'post_fil': filler * filler_len,
})
return msg
def format_rep_changes(user):
changes = slice_dict(user, 'reputation_')
msg = ''
if changes['change_day'] > 0:
msg += format_field('day', '+' + str(changes['change_day']), indent=3)
if changes['change_quarter'] > 0:
msg += format_field('quarter', '+' + str(changes['change_quarter']), indent=3)
if changes['change_year'] > 0:
msg += format_field('year', '+' + str(changes['change_year']), indent=3)
if len(msg) > 0:
msg = format_field('reputation changes') + msg
return msg
def format_user(user, long_output=True):
msg = '\n'
msg += format_header(user['account_id'], '=')
msg += format_field('uid', user['user_id'])
msg += format_field('name', user['display_name'])
msg += format_field('reputation', user['reputation'])
if 'location' in user:
msg += format_field('location', user['location'])
msg += format_field('profile', format_url(user['link']))
if 'website_url' in user and len(user['website_url']) > 0:
msg += format_field('website', format_url(user['website_url']))
msg += format_rep_changes(user)
msg += '\n'
if long_output and 'about_me' in user and len(user['about_me']) > 0:
msg += format_header('About User', '-') + '\n'
soup = BeautifulSoup(user['about_me'])
text = soup.get_text()
lines = [ line for line in text.splitlines() if line.strip() ]
for line in lines:
msg += indent(fill(line), ' ') + '\n\n'
return msg
@asyncio.coroutine
def handle_client(reader, writer):
line = yield from reader.readline()
line = line.decode('utf-8').strip()
if '@' not in line:
writer.write('finger: site missing\n'.encode('utf-8'))
writer.write('finger: expected \'user@site\'\n'.encode('utf-8'))
writer.close()
return
user, site = line.split('@')
if user.startswith('/W'):
long_output = True
user = user[3:]
else:
long_output = False
try:
uid = int(user)
users = [get_user_by_uid(site, uid)]
except ValueError:
users = get_users_by_name(site, user)
if len(users) == 0:
error = 'finger: no user found by id or name \'{}\'\n'.format(user)
writer.write(error.encode('utf-8'))
writer.close()
return
for user in users:
if user['user_type'] == 'unregistered':
continue
msg = format_user(user, long_output)
writer.write(msg.encode('utf-8'))
writer.close()
loop = asyncio.get_event_loop()
coro = asyncio.start_server(handle_client, host='0.0.0.0', port=79, loop=loop)
server = loop.run_until_complete(coro)
try:
loop.run_forever()
except KeyboardInterrupt:
server.close()
loop.run_until_complete(server.wait_closed())
loop.close()
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