import re import os import hashlib import json import string import random import sys from jinja2 import Template class AttrDict(dict): def __init__(self, *args, **kwargs): super(AttrDict, self).__init__(*args, **kwargs) self.__dict__ = self def random_string(size=6, chars=string.ascii_lowercase + string.ascii_uppercase + string.digits): return ''.join(random.choice(chars) for _ in range(size)) def to_json(data): return json.dumps(to_dict(data), separators=(',', ':')) def to_dict(data): if not data: return AttrDict() def row2dict(row): d = AttrDict() for column in row.__table__.columns: d[column.name] = getattr(row, column.name) return d if isinstance(data, list): return [row2dict(x) for x in data] else: return row2dict(data) def mkdir_safe(path): if path and not(os.path.exists(path)): os.makedirs(path) return path def extract_path(file_path): if not file_path: return None last_slash = file_path.rindex("/") if last_slash: return file_path[0, last_slash] def clean_path(path): if path: if path[0] != '/': path.insert(0, '/') return re.sub(r"//+", '/', path) def extract_name(file_path): if file_path[-1] == "/": return None return os.path.basename(file_path) def remove_ext(path): return os.path.splitext(path)[0] def clean_url(url): if not url: return url url = url.replace('%2F', '/') url = re.sub(r"^/+", "", url) return re.sub(r"//+", '/', url) def to_canonical(s): """ Double space -> single dash Double dash -> single dash Remove all non alphanumeric and dash Limit to first 64 chars """ s = s.encode('ascii', 'ignore') s = str(s) s = re.sub(r"\s\s*", "-", s) s = re.sub(r"\-\-+", "-", s) s = re.sub(r"[^a-zA-Z0-9\-]", "", s) s = s[:64] s = s.lower() return s def gravatar_url(email): return "//www.gravatar.com/avatar/" + hashlib.md5(email).hexdigest() def in_virtualenv(): return hasattr(sys, 'real_prefix') def is_su(): return os.geteuid() == 0 def upstart_script(user='root', app_dir=None, port=5000, workers=2, path=None): script = """ limit nofile 65335 65335 respawn description "Realms Wiki" author "scragg@gmail.com" chdir {{ app_dir }} {% if path %} env PATH={{ path }}:/usr/local/bin:/usr/bin:/bin:$PATH export PATH {% endif %} env LC_ALL=en_US.UTF-8 env GEVENT_RESOLVER=ares export LC_ALL export GEVENT_RESOLVER setuid {{ user }} setgid {{ user }} start on runlevel [2345] stop on runlevel [!2345] respawn exec gunicorn \ --name realms-wiki \ --access-logfile - \ --error-logfile - \ --worker-class gevent \ --workers {{ workers }} \ --bind 0.0.0.0:{{ port }} \ --user {{ user }} \ --group {{ user }} \ --chdir {{ app_dir }} \ realms:app """ template = Template(script) return template.render(user=user, app_dir=app_dir, port=port, workers=workers, path=path)