codekasten/wortschlucker/src/wortschlucker.py

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#!/usr/bin/env python2.6
# -*- coding: utf-8 -*-
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import os
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# the basedir is the parent dir of the location of this script
BASE_DIR = os.path.dirname(os.path.abspath(os.path.join(__file__, os.path.pardir)))
# add the project directory to the python search path
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import sys
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sys.path.insert(0, os.path.join(BASE_DIR, "src"))
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import tools
import bobo
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import forms
import sqlobject
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import genshi.filters
import genshi.input
import genshi.template
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import genshi
import formencode
import webob
import csv
import ConfigParser
import datetime
import mimetypes
import uuid
import re
import smtplib
import email.mime.text
import email.utils
import hashlib
import twitter
import urllib2
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CONFIG_FILE = os.path.join(BASE_DIR, "wortschlucker.conf")
""" *** Initialization *** """
config = ConfigParser.SafeConfigParser()
config.read(CONFIG_FILE)
db_uri = config.get("database", "uri")
sqlobject.sqlhub.processConnection = sqlobject.connectionForURI(db_uri)
loader = genshi.template.TemplateLoader(os.path.join(BASE_DIR, 'templates'), auto_reload=False)
BLOG_DIR = os.path.join(BASE_DIR, "blog")
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BASE_DICT = {
"base_url": "/", # the trailing slash is necessary
"show_navbar": True,
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"errors": {},
}
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# used as the default setting for expose/close dates
DEFAULT_DAYS_AHEAD = 7
DATE_FORMAT = "%d.%m.%Y"
EXPORT_DATE_FORMAT = "%d.%m.%Y %H:%M:%S"
EXPORT_ENCODING = "utf-8"
EXPORT_CHARSET = "utf8"
EXPORT_FILENAME_TEMPLATE = "%%(prefix)s_%%(title)s_%s.csv" % datetime.datetime.now().strftime("%Y-%m-%d")
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DEFAULT_DATE = datetime.datetime.now() + datetime.timedelta(days=DEFAULT_DAYS_AHEAD)
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POLL_SETTINGS = {
"show_all_submissions": (bool, True),
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"show_statistics": (bool, True),
"public": (bool, False),
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"expose_date": (datetime.datetime, DEFAULT_DATE),
"close_date": (datetime.datetime, DEFAULT_DATE),
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"vote_enabled": (bool, False),
"vote_closed": (bool, False),
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}
POLL_SETTING_TEMPLATES = {
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"brainstorm": {},
"cards": {"show_all_submissions": False},
"feedback": {"show_all_submissions": False},
"evaluation": {"show_all_submissions": False},
"notes": {"show_statistics": False},
"shopping": {"show_statistics": False},
"clipboard": {"show_statistics": False},
"namefinder": {},
}
class ContentSubmission(sqlobject.SQLObject):
submitter = sqlobject.UnicodeCol()
content = sqlobject.UnicodeCol()
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poll_id = sqlobject.ForeignKey("Poll")
timestamp_creation = sqlobject.DateTimeCol()
def get_creation_time_string(self):
return str(self.timestamp_creation)
def get_markup_content(self):
mark_links = get_markup_with_links(self.content)
markup = genshi.input.HTML(mark_links) | genshi.filters.HTMLSanitizer()
# the markup is now marked as "safe" -> genshi will output it literally
return markup
def get_delete_url(self, absolute=False):
return self.poll_id.get_admin_url(absolute=absolute,
suffix="/delete/%s" % self.get_obfuscated_digest())
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def get_obfuscated_digest(self):
return hashlib.md5(str(self.id)).hexdigest()
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class VoteOrder(sqlobject.SQLObject):
submitter = sqlobject.UnicodeCol()
content_submission_id = sqlobject.ForeignKey("ContentSubmission")
priority = sqlobject.IntCol()
class Profile(sqlobject.SQLObject):
email = sqlobject.UnicodeCol(unique=True)
hash_key = sqlobject.StringCol(unique=True)
def get_user_polls(self, *args, **kwargs):
return self._get_generic_polls(False, *args, **kwargs)
def get_admin_polls(self, *args, **kwargs):
return self._get_generic_polls(True, *args, **kwargs)
def _get_generic_polls(self, is_admin, old_to_new=True):
polls = [user_poll.poll for user_poll in ProfilePolls.selectBy(
user=self.id, is_admin=is_admin)]
polls.sort(key=lambda poll: poll.timestamp_creation,
reverse=not old_to_new)
return polls
def get_url(self, absolute=False):
return get_url_string("%s%s/%s" % (BASE_DICT["base_url"], "profile", self.hash_key), absolute)
class ProfilePolls(sqlobject.SQLObject):
user = sqlobject.ForeignKey("Profile")
poll = sqlobject.ForeignKey("Poll")
is_admin = sqlobject.BoolCol()
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class PollSetting(sqlobject.SQLObject):
poll_id = sqlobject.ForeignKey("Poll")
key = sqlobject.UnicodeCol()
value = sqlobject.UnicodeCol()
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class PollRelation(sqlobject.SQLObject):
first = sqlobject.ForeignKey("Poll")
second = sqlobject.ForeignKey("Poll")
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class Poll(sqlobject.SQLObject):
author = sqlobject.UnicodeCol()
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hash_key = sqlobject.StringCol()
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admin_hash_key = sqlobject.StringCol()
title = sqlobject.UnicodeCol()
description = sqlobject.UnicodeCol()
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timestamp_creation = sqlobject.DateTimeCol()
def get_related_polls(self):
""" get all directly and indirectly connected polls up to a certain
distance
"""
return PollMesh(self).get_related_polls()
def get_related_polls_direct(self):
""" get all directly connected polls """
related = []
related.extend([poll.second for poll in PollRelation.selectBy(first=self.id)])
related.extend([poll.first for poll in PollRelation.selectBy(second=self.id)])
return related
def get_description_markup(self):
mark_links = get_markup_with_links(self.description)
markup = genshi.input.HTML(mark_links) | genshi.filters.HTMLSanitizer()
# the markup is now marked as "safe" -> genshi will output it literally
return markup
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def get_settings(self):
current_dict = {}
for setting in PollSetting.selectBy(poll_id=self.id):
if setting.key in POLL_SETTINGS.keys():
current_dict[setting.key] = validate_poll_setting(setting.key, setting.value)
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for key, meta_info in POLL_SETTINGS.items():
if not key in current_dict.keys():
current_dict[key] = meta_info[1]
return current_dict
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def get_settings_strings(self):
settings = self.get_settings()
result = {}
for key, value in settings.items():
result[key] = get_poll_setting_string(key, value)
return result
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def change_setting(self, key, value):
validated_value = validate_poll_setting(key, value)
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if not validated_value is None:
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validated_value = get_poll_setting_string(key, validated_value)
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poll_setting = PollSetting.selectBy(poll_id=self.id, key=key)
if poll_setting.count() == 1:
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poll_setting[0].value = validated_value
elif poll_setting.count() == 0:
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PollSetting(poll_id=self.id, key=key, value=validated_value)
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if (key == 'public') and (value > 0):
self.announce_via_twitter()
def get_ordered_submissions(self, submitter):
votes = []
for submission in ContentSubmission.selectBy(poll_id=self.id):
votes.extend(list(VoteOrder.selectBy(content_submission_id=submission,
submitter=submitter)))
votes.sort(key=lambda item: item.priority)
return [order.content_submission_id for order in votes]
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def announce_via_twitter(self):
complete_url = self.get_url(absolute=True)
try:
title = "%s %s %s" % (config.get('misc', 'twitter_alert_prefix'),
self.title[:79], complete_url)
# the following line is quick and dirty fix for the unicode bug twitter exception.
# of course it would be better to preserve the umlauts somehow...
title = title.encode('ascii','ignore')
twitter_key = config.get('misc', 'twitter_consumer_key')
twitter_secret = config.get('misc', 'twitter_consumer_secret')
twitter_access_key = config.get('misc', 'twitter_access_token_key')
twitter_access_secret = config.get('misc', 'twitter_access_token_secret')
except ConfigParser.Error:
# a config setting seems to be missing (e.g. in a dev environment)
return
publish_twitter_alert(title, twitter_key, twitter_secret, twitter_access_key, twitter_access_secret)
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def get_num_of_votes(self):
submitters = []
for submission in ContentSubmission.selectBy(poll_id=self.id):
for vote in VoteOrder.selectBy(content_submission_id=submission):
if not vote.submitter in submitters:
submitters.append(vote.submitter)
return len(submitters)
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def get_num_of_submitters(self):
all_submitters = [submission.submitter for submission in ContentSubmission.selectBy(poll_id=self.id)]
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unique_submitters = []
for submitter in all_submitters:
if not submitter in unique_submitters:
unique_submitters.append(submitter)
return len(unique_submitters)
def get_num_of_submissions(self):
return ContentSubmission.selectBy(poll_id=self.id).count()
def get_submissions(self):
return ContentSubmission.selectBy(poll_id=self.id).orderBy("timestamp_creation")
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def delete_poll(self):
submissions = ContentSubmission.selectBy(poll_id=self.id)
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settings = PollSetting.selectBy(poll_id=self.id)
for submission in submissions:
submission.destroySelf()
for setting in settings:
setting.destroySelf()
self.destroySelf()
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def get_url(self, absolute=False):
return get_url_string("%s%s" % (BASE_DICT["base_url"], self.hash_key), absolute)
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def get_submit_url(self, absolute=False):
return get_url_string("%s%s/submit" % (BASE_DICT["base_url"], self.hash_key), absolute)
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def get_vote_url(self, absolute=False):
return get_url_string("%s%s/vote" % (BASE_DICT["base_url"], self.hash_key), absolute)
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def get_admin_url(self, absolute=False, suffix=""):
return get_url_string("%s%s%s" % (BASE_DICT["base_url"], self.admin_hash_key, suffix), absolute)
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def get_edit_url(self, absolute=False):
return get_url_string("%s%s/admin" % (BASE_DICT["base_url"], self.admin_hash_key), absolute)
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def get_delete_url(self, absolute=False):
return get_url_string("%s%s/delete" % (BASE_DICT["base_url"], self.admin_hash_key), absolute)
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def get_vote_enable_url(self, absolute=False):
return get_url_string("%s%s/vote_enable" % (BASE_DICT["base_url"], self.admin_hash_key), absolute)
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def get_creation_time_string(self):
return str(self.timestamp_creation)
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def is_vote_enabled(self):
return self.get_settings()["vote_enabled"]
def is_vote_finished(self, submitter):
return len(self.get_ordered_submissions(submitter)) > 0
def get_submissions_visibility(self):
settings = self.get_settings()
return bool(settings["show_all_submissions"] or (settings["expose_date"] and \
(settings["expose_date"].date() <= datetime.datetime.now().date())))
def is_closed(self):
return bool(self.get_settings()["close_date"] and \
(self.get_settings()["close_date"].date() < datetime.datetime.now().date()))
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class PollMesh:
""" generate a mesh of directly or indirectly related polls
Basically this is just a recursive search for unique related polls that are
connected to the base poll with less than (e.g.) five nodes in between.
"""
def __init__(self, poll, depth=5):
self.related = []
# start to collect the related polls immediately
self.__collect_related_polls(poll, depth)
def __collect_related_polls(self, current_poll, current_depth):
""" recursive scanning for unique related polls up to a certain distance
"""
related = current_poll.get_related_polls_direct()
new_queue = [poll for poll in related if not poll in self.related]
self.related.extend(new_queue)
if current_depth > 0:
for poll in new_queue:
self.__collect_related_polls(poll, current_depth - 1)
def get_related_polls(self):
return self.related
def get_markup_with_links(text):
def get_link_markup(match):
prefix, url, suffix = match.groups()
# only take the TLD part of the url
short_name = url.split("/")[2]
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return """%s<a href="%s" rel="nofollow">%s</a>%s""" % (prefix, url, short_name, suffix)
def expand_protocol(match):
prefix, url, suffix = match.groups()
if url.lower().startswith("www") or suffix.startswith("/"):
# just prepend "http://"
return prefix + "http://" + url + suffix
else:
return prefix + url + suffix
# surround all urls with html markup
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text = genshi.escape(text)
text = re.sub(r"(\A|\s|\()([a-zA-Z_\-\.]+\.[a-zA-Z]{2,4})(/|\)|\s|\Z)",
expand_protocol, text)
text = re.sub(r"(\A|\s|\()(https?://[\w/\?\.\#=;,_\-\~&]*)(\)|\s|\Z)",
get_link_markup, text)
return get_markup_with_formatted_linebreaks(text, "<br />")
def get_markup_with_formatted_linebreaks(text, break_char):
text = text.replace("\r\n", "\n")
text = text.replace("\r", "\n")
text = text.replace("\n", break_char)
return text
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def get_poll_setting_string(key, value):
if not key in POLL_SETTINGS.keys():
return ""
setting_type = POLL_SETTINGS[key][0]
if setting_type in (basestring, unicode, str):
return value
elif setting_type == bool:
return str(value)
elif setting_type == datetime.datetime:
# unset dates are None
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if value is None:
return ""
elif value == "":
# value for "forever"
return ""
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else:
return value.strftime(DATE_FORMAT)
else:
return str(value)
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def validate_poll_setting(key, value):
if not key in POLL_SETTINGS.keys():
return None
setting_type = POLL_SETTINGS[key][0]
if setting_type in (basestring, unicode, str):
return value
elif setting_type == bool:
if value is None:
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return False
elif isinstance(value, bool):
return value
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else:
text = value.lower()
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if text in ("0", "false", "no", "off", "disabled", ""):
return False
elif text in ("1", "true", "yes", "on", "enabled"):
return True
else:
return None
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elif setting_type == datetime.datetime:
if value is None:
# default: one week later
value = datetime.date.today() + datetime.timedelta(days=DEFAULT_DAYS_AHEAD)
elif type(value) == datetime.datetime:
pass
elif value == "":
# this is the value for "forever"
return ""
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else:
try:
value = datetime.datetime.strptime(value, DATE_FORMAT)
except ValueError:
value = None
return value
elif setting_type == int:
if value is None:
value = 0
try:
value = int(value)
except ValueError:
value = None
return value
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else:
# all other types (e.g. int, float, ...)
try:
return setting_type(value)
except ValueError:
return None
def send_profile_mail(user):
data = {}
for key, default in (("host", "localhost"), ("port", 25),
("use_ssl", False), ("from", None),
("subject", None), ("body", None)):
try:
data[key] = config.get("mail", key, raw=True)
except ConfigParser.Error, err_msg:
if default is None:
# fail!
open("/tmp/test.out", "w").write(str(err_msg))
return False
data[key] = default
data["port"] = int(data["port"])
if data["use_ssl"]:
provider = smtplib.SMTP_SSL
else:
provider = smtplib.SMTP
input_data = {"profile_url": user.get_url(absolute=True)}
content = data["body"] % input_data
# empty lines can't be parsed via ConfigParser
# re.sub in Python 2.5 does not understand "flags" -> compile first
dot_line_regex = re.compile("^\.$", flags=re.MULTILINE)
content = dot_line_regex.sub("", content)
message = email.mime.text.MIMEText(content)
message["Subject"] = data["subject"]
message["From"] = data["from"]
message["To"] = user.email
message["Date"] = email.utils.formatdate()
try:
server = provider(data["host"], data["port"])
server.sendmail(data["from"], [user.email], message.as_string())
except smtplib.SMTPException:
return False
return True
def get_default_values(request, **kwargs):
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value_dict = dict(BASE_DICT)
for key, value in kwargs.items():
value_dict[key] = value
# add configuration settings
try:
enable_users = config.get("users", "enabled")
except ConfigParser.Error:
enable_users = False
value_dict["enable_users"] = enable_users
try:
enable_voting = config.get("voting", "enabled")
except ConfigParser.Error:
enable_voting = False
value_dict["enable_voting"] = enable_voting
# read the user's hash key from the cookie
if enable_users and ("user_hash_key" in request.cookies):
value_dict["user_hash_key"] = str(request.cookies["user_hash_key"])
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return value_dict
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def get_url_string(url, absolute=False):
""" return the URL as it is or turn it into an absolute URL
@value url: the given URL
@type url: str
@value absolute: should the URL be absolute or relative?
@type absolute: bool
@returns: the relative or absolute URL
@rtype: str
"""
if absolute:
return config.get('hosting', 'full_base_url') + url
else:
return url
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def render(filename, input_data=None, **values):
stream = loader.load(filename).generate(**values)
if not input_data is None:
stream |= genshi.filters.HTMLFormFiller(data=input_data)
#return stream.render("html", doctype="html")
response = webob.Response(content_type="text/html", charset="utf8")
if "user_hash_key" in values:
response.set_cookie("user_hash_key", values["user_hash_key"],
max_age=365, path="/")
response.body = stream.render("html", doctype="html")
return response
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def get_poll_id(hash_key):
if isinstance(hash_key, unicode):
try:
hash_key = str(hash_key)
except UnicodeEncodeError:
return None
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polls = Poll.selectBy(hash_key=hash_key)
if polls.count() == 1:
return polls[0].id
else:
return None
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def get_poll_admin_id(hash_key):
if isinstance(hash_key, unicode):
try:
hash_key = str(hash_key)
except UnicodeEncodeError:
return None
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polls = Poll.selectBy(admin_hash_key=hash_key)
if polls.count() == 1:
return polls[0].id
else:
return None
def extract_poll_id(text, admin=False):
""" The text may be an admin hash or the admin link of a poll """
if admin:
get_func = get_poll_admin_id
else:
get_func = get_poll_id
result = get_func(text)
if result is None:
extracted_text = re.findall(r"[a-z0-9]+", text)
# we assume that the hash is at the end of the string
extracted_text.reverse()
for found in extracted_text:
guess = get_func(found)
if not guess is None:
return guess
return None
else:
return result
def get_new_hash_key(length=16, charset=None):
""" returns a quite random hash key with the specified length """
if charset is None:
charset = "0123456789abcdefghijklmnopqrstuvwxyz"
def get_hash_string(length):
base = uuid.uuid4().int
result = []
while len(result) < length:
value = base % len(charset)
base //= len(charset)
result.append(charset[value])
return "".join(result)
# repeat the hash generation until a new value is found
hash_key = get_hash_string(length)
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while (not get_poll_id(hash_key) is None) or (not get_poll_admin_id(hash_key) is None):
hash_key = get_hash_string(length)
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return hash_key
def publish_twitter_alert(text, key, secret,access_key,access_secret):
api = twitter.Api(consumer_key= key, consumer_secret = secret, access_token_key=access_key, access_token_secret= access_secret)
try:
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api.PostUpdate(text)
except urllib2.HTTPError,e:
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# twitter error, most likely because of a duplicate message
# or maybe an authentication failure
print e.code
except urllib2.URLError, e:
print e.reason
def is_spam_submitter_name(name, errors_dict):
lower_text = re.sub("[^a-z]", "", name)
upper_text = re.sub("[^A-Z]", "", name)
if (len(lower_text) + len(upper_text) == len(name)) and \
(len(lower_text) > 3) and (len(upper_text) > 3) and \
(len(name) >= 8) and (not name.startswith(upper_text)):
errors_dict["submitter"] = "Spam-Verdacht: bitte den Namen korrigieren"
return True
else:
return False
def is_spam_content(text, errors_dict):
if re.search(r"(<a\s|\shref=|</a>)", text.lower()):
errors_dict["content"] = \
"Spam-Verdacht: Inhalt darf keine HTML-Tags enthalten"
return True
else:
return False
@bobo.query('/profile/logout')
def user_logout(bobo_request):
# default start page
response = show_frontpage(bobo_request)
# clear the cookie
response.delete_cookie("user_hash_key")
return response
@bobo.query('/profile/resend')
def resend_user_key(bobo_request, email=None, submit=None, email_sent=None):
value_dict = get_default_values(bobo_request)
if not value_dict["enable_users"]:
return bobo.redirect(BASE_DICT["base_url"])
value_dict["email_sent"] = False
value_dict["user_new"] = False
data = {"email": email}
if not submit:
return render("user_key.html", input_data=data, **value_dict)
else:
# find the user's data (if it exists)
try:
data = forms.ProfileForm.to_python(data)
except formencode.Invalid, errors_packed:
errors = errors_packed.unpack_errors()
users = Profile.selectBy(email=email)
if users.count():
user = users[0]
value_dict["user"] = user
value_dict["email_sent"] = True
value_dict["email_ok"] = send_profile_mail(user)
return render("user_key.html", **value_dict)
else:
errors = {}
errors["email"] = u"Diese E-Mail-Adresse ist nicht registriert. Möchtest du ein neues Profil anlegen?"
value_dict["user_new"] = True
value_dict["errors"] = errors
return render("user_key.html", input_data={"email": email},
**value_dict)
def manage_link_in_profile(user, link, add, value_dict):
poll = None
for is_admin in (False, True):
poll_id = extract_poll_id(link, admin=is_admin)
if poll_id:
poll = Poll.get(poll_id)
break
if poll:
connected = ProfilePolls.selectBy(poll=poll, user=user,
is_admin=is_admin)
if is_admin:
value_dict["profile_manage_poll_hash"] = poll.admin_hash_key
else:
value_dict["profile_manage_poll_hash"] = poll.hash_key
if add and not connected.count():
ProfilePolls(poll=poll, user=user, is_admin=is_admin)
value_dict["poll_remember"] = poll
return True
elif not add and connected.count():
connected[0].destroySelf()
value_dict["poll_forget"] = poll
return True
else:
return False
return False
@bobo.query('/profile/new')
def user_create(bobo_request, email=None, submit=None, add_link=None):
value_dict = get_default_values(bobo_request)
if not value_dict["enable_users"]:
return bobo.redirect(BASE_DICT["base_url"])
value_dict["user_new"] = True
data = {"email": email, "add_link": add_link}
if not submit:
return render("user_key.html", input_data=data, **value_dict)
else:
# create a new user (if email is valid)
try:
data = forms.ProfileForm.to_python(data)
except formencode.Invalid, errors_packed:
errors = errors_packed.unpack_errors()
users = Profile.selectBy(email=email)
if users.count():
# the mail address is already registered
errors = {}
errors["email"] = u"Diese E-Mail-Adresse ist bereits registriert. Sollen die Zugangsdaten erneut an die Adresse versandt werden?"
value_dict["errors"] = errors
value_dict["user_new"] = False
return render("user_key.html", input_data=data, **value_dict)
else:
# create a new user
hash_key = get_new_hash_key()
new_user = Profile(hash_key=hash_key, email=email)
value_dict["user"] = new_user
value_dict["email_sent"] = True
value_dict["email_ok"] = send_profile_mail(new_user)
return render("user_details.html", **value_dict)
@bobo.query('/profile')
@bobo.query('/profile/:hash_key')
@bobo.query('/:add_link/remember')
@bobo.query('/:del_link/forget')
def show_user(bobo_request, hash_key=None, add_link=None, del_link=None):
value_dict = get_default_values(bobo_request)
if not value_dict["enable_users"]:
return bobo.redirect(BASE_DICT["base_url"])
if hash_key:
# overwrite the cookie-based value, if a profile is explicitely given
user_hash_key = hash_key
elif "user_hash_key" in value_dict:
user_hash_key = value_dict["user_hash_key"]
else:
user_hash_key = None
if user_hash_key:
# sqlobject fails to handle unicode values -> convert to string
user_hash_key = str(user_hash_key)
users = Profile.selectBy(hash_key=user_hash_key)
if not user_hash_key or not users.count():
# TODO: store add/del link -> render instead of redirect
return bobo.redirect(BASE_DICT["base_url"] + "profile/new")
user = users[0]
value_dict["user"] = user
value_dict["user_hash_key"] = user_hash_key
if add_link:
manage_link_in_profile(user, add_link, True, value_dict)
elif del_link:
manage_link_in_profile(user, del_link, False, value_dict)
else:
pass
return render("user_details.html", **value_dict)
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@bobo.query('/new')
@bobo.query('/new/:template')
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@bobo.query('/new/:author/:title/:description')
def new_poll(bobo_request, submit=None, cancel=None, author=None, title=None,
description=None, template=None, hide_errors=False):
value_dict = get_default_values(bobo_request)
data = {"author": author, "title": title, "description": description,
"template": template}
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if cancel:
return bobo.redirect(BASE_DICT["base_url"])
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elif not submit:
# show the "new poll" form
return render("poll_new.html", input_data=data, **value_dict)
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else:
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# create the new poll (if it is valid)
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errors = {}
try:
data = forms.PollForm.to_python(data)
except formencode.Invalid, errors_packed:
errors = errors_packed.unpack_errors()
if errors:
if not hide_errors:
value_dict["errors"] = errors
return render("poll_new.html", input_data=data, **value_dict)
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else:
# get the template settings
poll_settings = POLL_SETTINGS.copy()
if template in POLL_SETTING_TEMPLATES.keys():
template_settings = POLL_SETTING_TEMPLATES[template].copy()
else:
template_settings = POLL_SETTING_TEMPLATES["brainstorm"]
for key, value in template_settings.items():
poll_settings[key] = value
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# create the new poll
hash_key = get_new_hash_key()
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admin_hash_key = get_new_hash_key()
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now = datetime.datetime.now()
new_poll = Poll(hash_key=hash_key, admin_hash_key=admin_hash_key,
timestamp_creation=now, author=data["author"],
title=data["title"], description=data["description"])
# apply the template settings
for key, value in template_settings.items():
new_poll.change_setting(key, value)
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return bobo.redirect(new_poll.get_admin_url())
@bobo.query('/login')
@bobo.query('/login/')
def show_login(bobo_request):
""" shows a form for logging in and creating an account"""
value_dict = get_default_values(bobo_request)
return render("login.html", **value_dict)
@bobo.query('/newprofile')
@bobo.query('/newprofile/')
def show_newprofile(bobo_request):
""" Show polls and account data of this user and allows for changing the password. """
value_dict = get_default_values(bobo_request)
return render("profile.html", **value_dict)
@bobo.query('/:hash_key/vote_result.csv')
def vote_result(bobo_request, hash_key=None):
value_dict = get_default_values(bobo_request)
value_dict["errors"] = {}
data = {}
poll_id = get_poll_id(hash_key)
preorder = ["Paintball", "Billard", "Eislaufen", "Kegeln", "Kneipengang", "Karaoke", "Tischtennis", "Bowling", "Geek-out", "Go-Kart", "Dart"]
if not poll_id is None:
poll = Poll.get(poll_id)
voters = []
for submission in ContentSubmission.selectBy(poll_id=poll.id):
for vote in VoteOrder.selectBy(content_submission_id=submission):
if not vote.submitter in voters:
voters.append(vote.submitter)
lines = []
for voter in voters:
sorting = poll.get_ordered_submissions(voter)
items = [str(preorder.index(submission.content) + 1) for submission in sorting]
lines.append(" ".join(items))
return os.linesep.join(lines)
else:
return bobo.redirect(BASE_DICT["base_url"])
@bobo.query('/:hash_key/vote')
def vote_submission_order(bobo_request, hash_key=None, submitter=None,
vote_order=None):
value_dict = get_default_values(bobo_request)
value_dict["errors"] = {}
data = {}
if submitter and is_spam_submitter_name(submitter, value_dict["errors"]):
data["submitter"] = submitter.strip()
if not vote_order:
vote_order = ""
data["vote_order"] = vote_order
poll_id = get_poll_id(hash_key)
if not poll_id is None:
poll = Poll.get(poll_id)
value_dict["poll"] = poll
# populate the "vote_order" list (to keep the order intact)
digest_dict = {}
for submission in ContentSubmission.selectBy(poll_id=poll.id):
digest_dict[submission.get_obfuscated_digest()] = submission
value_dict["vote_order"] = [digest_dict[content_hash]
for content_hash in vote_order.split()]
try:
data = forms.VoteSubmissionOrderForm.to_python(data)
except formencode.Invalid, errors_packed:
# merge errors with previous ones - but never overwrite existing ones
errors = errors_packed.unpack_errors()
errors.update(value_dict["errors"])
value_dict["errors"] = errors
if value_dict["errors"] or poll.is_closed() or \
not poll.is_vote_enabled():
# ignore silently
pass
elif poll.is_vote_finished(submitter):
# there is already a vote stored for that submitter name
value_dict["errors"]["submit"] = \
"Fehler: deine Wahl wurde bereits gespeichert."
else:
# store this order of items
vote_order = vote_order.split()
for index, digest in enumerate(vote_order):
if digest in digest_dict:
VoteOrder(submitter=submitter, priority=index,
content_submission_id=digest_dict[digest])
value_dict["submitter"] = submitter
return render("poll_details.html", input_data=data, **value_dict)
else:
return bobo.redirect(BASE_DICT["base_url"])
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@bobo.query('/:hash_key/submit')
def submit_content(bobo_request, hash_key=None, submitter=None, content=None):
value_dict = get_default_values(bobo_request)
value_dict["errors"] = {}
data = {}
if content and (not is_spam_content(content, value_dict["errors"])):
data["content"] = content
if submitter and (not is_spam_submitter_name(submitter, value_dict["errors"])):
data["submitter"] = submitter
poll_id = get_poll_id(hash_key)
if not poll_id is None:
poll = Poll.get(poll_id)
value_dict["poll"] = poll
try:
data = forms.SubmitForm.to_python(data)
except formencode.Invalid, errors_packed:
# merge errors with previous ones - but never overwrite existing ones
errors = errors_packed.unpack_errors()
errors.update(value_dict["errors"])
value_dict["errors"] = errors
if value_dict["errors"] or poll.is_closed():
return render("poll_details.html", input_data=data, **value_dict)
else:
# create the new submission content
data["timestamp_creation"] = datetime.datetime.now()
data["poll_id"] = poll.id
ContentSubmission(**data)
# remove "content" for the next input
del data["content"]
return render("poll_details.html", input_data=data, **value_dict)
else:
return bobo.redirect(BASE_DICT["base_url"])
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@bobo.query('/:admin_hash_key/delete')
def delete_poll(bobo_request, admin_hash_key=None):
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admin_poll_id = get_poll_admin_id(admin_hash_key)
if not admin_poll_id is None:
poll = Poll.get(admin_poll_id)
poll.delete_poll()
return bobo.redirect(BASE_DICT["base_url"])
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@bobo.query('/:admin_hash_key/vote_enable')
def vote_enable_poll(bobo_request, admin_hash_key=None, vote_select=None):
# vote_select: on/off
admin_poll_id = get_poll_admin_id(admin_hash_key)
if not admin_poll_id is None:
poll = Poll.get(admin_poll_id)
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poll.change_setting("vote_enabled", vote_select == "on")
return bobo.redirect(poll.get_admin_url())
else:
return bobo.redirect(BASE_DICT["base_url"])
@bobo.query('/:admin_hash_key/delete/:submission_id_digest')
def delete_submission(bobo_request, admin_hash_key=None, submission_id_digest=None):
admin_poll_id = get_poll_admin_id(admin_hash_key)
if (not admin_poll_id is None) and (not submission_id_digest is None):
poll = Poll.get(admin_poll_id)
# This loop is slightly expensive, but it does not expose the overall
# count of submissions (via the id).
for submission in ContentSubmission.selectBy(poll_id=poll.id):
if submission.get_obfuscated_digest() == submission_id_digest:
submission.destroySelf()
break
return bobo.redirect(poll.get_admin_url())
@bobo.query('/:admin_hash_key/export')
def export_poll(bobo_request, admin_hash_key=None):
""" Return a download file in csv format (date, author, text).
"""
value_dict = get_default_values(bobo_request)
poll_id = get_poll_admin_id(admin_hash_key)
if poll_id is None:
return bobo.redirect(BASE_DICT["base_url"])
poll = Poll.get(poll_id)
response = webob.Response(content_type="text/csv", charset=EXPORT_CHARSET)
# common (excel-based) CSV format with semicolons instead of commas
writer = csv.writer(response.body_file)
submissions = list(poll.get_submissions())
for submission in submissions:
timestamp = submission.timestamp_creation.strftime(EXPORT_DATE_FORMAT)
author = submission.submitter.encode(EXPORT_ENCODING, "ignore")
content = get_markup_with_formatted_linebreaks(submission.content, os.linesep)
items = [timestamp, author, content]
for index in range(len(items)):
try:
items[index] = items[index].encode(EXPORT_ENCODING, "ignore")
except UnicodeDecodeError:
# any other conversion error
pass
writer.writerow(items)
try:
export_prefix = config.get("misc", "export_prefix")
except ConfigParser.Error:
export_prefix = "wortschlucker"
filename = EXPORT_FILENAME_TEMPLATE % {"title": poll.title, "prefix": export_prefix}
filename = filename.replace(" ", "_")
filename = re.sub(r"[^a-zA-Z0-9_\-\.]", "", filename)
response.content_disposition = 'attachment; filename=%s' % filename
return response
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@bobo.query('/:admin_hash_key/admin')
def admin_poll(bobo_request, cancel=False, submit=None, admin_hash_key=None, author=None,
title=None, description=None, settings=None,
setting_expose_date=None, setting_expose_date_forever=None,
setting_close_date=None, setting_close_date_forever=None):
value_dict = get_default_values(bobo_request)
data = {"author": author, "title": title, "description": description, "template": ""}
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poll_id = get_poll_admin_id(admin_hash_key)
if poll_id is None:
return bobo.redirect(BASE_DICT["base_url"])
poll = Poll.get(poll_id)
value_dict["poll"] = poll
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# cancel: return to (non-edit) admin page
if cancel:
return bobo.redirect(poll.get_admin_url())
if author is None:
data["author"] = poll.author
if title is None:
data["title"] = poll.title
if description is None:
data["description"] = poll.description
if setting_expose_date_forever is None:
if setting_expose_date is None:
setting_expose_date = poll.get_settings_strings()["expose_date"]
else:
setting_expose_date = ""
if setting_close_date_forever is None:
if setting_close_date is None:
setting_close_date = poll.get_settings_strings()["close_date"]
else:
setting_close_date = ""
poll_settings = poll.get_settings()
# update the settings only after a submit (otherwise we clear all current settings)
if submit:
# override with the given settings (taken from the form input with the prefix "setting_")
if settings is None:
settings = []
elif not isinstance(settings, list):
settings = [settings]
else:
# it is a list - everything is fine
pass
for setting_key in poll_settings.keys():
poll_settings[setting_key] = setting_key in settings
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# collect all errors
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errors = {}
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# add boolean "settings" after forms validation - since there is no destination type
data["settings"] = [key for key, value in poll_settings.items() if value is True]
for key, value in (("expose_date", setting_expose_date), ("close_date", setting_close_date)):
validated_value = validate_poll_setting(key, value)
if value == "":
data["setting_%s_forever" % key] = "yes"
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data["setting_%s" % key] = value
else:
data["setting_%s_forever" % key] = "no"
if validated_value is None:
# keep the entered value and report an error
errors[key] = u"Ungültiges Datum"
data["setting_%s" % key] = value
else:
data["setting_%s" % key] = get_poll_setting_string(key, validated_value)
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# use the validator to check for possible errors
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if submit:
# check for errors only if the content is submitted (not just rendered)
try:
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data = forms.PollSettingsForm.to_python(data)
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except formencode.Invalid, errors_packed:
errors = errors_packed.unpack_errors()
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# store the new settings
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if errors:
value_dict["errors"] = errors
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return render("poll_admin_edit.html", input_data=data, **value_dict)
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else:
if submit:
# update core attributes of the existing poll
poll.author = data["author"]
poll.title = data["title"]
poll.description = data["description"]
current_settings = poll.get_settings()
# update settings
for key, value in poll_settings.items():
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if (POLL_SETTINGS[key][0] == bool) and (current_settings[key] != value):
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poll.change_setting(key, value)
poll.change_setting("expose_date", data["setting_expose_date"])
poll.change_setting("close_date", data["setting_close_date"])
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return bobo.redirect(poll.get_admin_url())
else:
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return render("poll_admin_edit.html", input_data=data, **value_dict)
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def update_blog_entry_values(bobo_request, blog_id, value_dict):
blog_info = get_blog_info(bobo_request, blog_id)
if blog_info is None:
return False
else:
value_dict["title"] = blog_info[0]
value_dict["date"] = blog_info[1]
value_dict["link"] = blog_info[2]
value_dict["body"] = blog_info[3]
return True
def get_blog_info(bobo_request, blog_id):
blog_file = os.path.join(BLOG_DIR, blog_id)
try:
input = open(blog_file)
title = input.readline()
body = input.read()
input.close()
except IOError:
return None
date = "%s.%s.%s %s:%s" % (blog_id[6:8], blog_id[4:6], blog_id[0:4],
blog_id[8:10], blog_id[10:12])
link = "%sblog/%s" % (get_default_values(bobo_request)["base_url"], blog_id)
body = tools.creole2html(body.decode("utf-8"))
return title, date, link, body
def get_blog_ids():
def add_files_to_list(file_list, dirname, fnames):
for fname in fnames:
if re.match(r"^[0-9]{12}$", fname) \
and os.path.isfile(os.path.join(dirname, fname)):
file_list.append(fname)
# remove all entries (e.g. sub-directories)
while len(fnames) > 0:
del fnames[0]
file_list = []
os.path.walk(BLOG_DIR, add_files_to_list, file_list)
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file_list.sort(reverse = True)
return file_list
@bobo.query('/blog')
@bobo.query('/blog/')
@bobo.query('/blog/:blog_id')
@bobo.query('/blog/:blog_id/')
def serve_blog(bobo_request, blog_id=None):
value_dict = get_default_values(bobo_request)
if blog_id and re.match(r"^[0-9]{12}$", blog_id):
# the blog_id should consist of 12 digits
if update_blog_entry_values(bobo_request, blog_id, value_dict):
return render("blog_entry.html", **value_dict)
# if anything fails: render the blog list
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blog_list = []
# add all valid blog infos to the list
for blog_id in get_blog_ids():
blog_info = get_blog_info(bobo_request, blog_id)
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if not blog_info is None:
blog_list.append(blog_info)
value_dict["blog_list"] = blog_list
return render("blog_list.html", **value_dict)
def show_poll_list(bobo_request, render_file, page_size, page=None, filter_private=True):
value_dict = get_default_values(bobo_request)
polls = Poll.select().orderBy("-timestamp_creation")
# TODO: speed the filtering up by using SQL statements (see sqlobject "filter")
if filter_private:
polls = [poll for poll in polls if poll.get_settings()["public"]]
else:
# convert the sql query into a list (probably an expensive operation)
polls = [poll for poll in polls]
if page is None:
page = 1
else:
try:
page = int(page)
except ValueError:
page = 1
# "page" should at least be 1 - zero shows an empty list
page = max(1, page)
start = (page - 1) * page_size
if start >= len(polls):
start = len(polls) - page_size
page = (len(polls) + page_size - 1) / page_size
end = start + page_size - 1
value_dict["polls"] = polls[start : end + 1]
# show a link for the next page, if more polls are available
value_dict["show_next_link"] = (end + 1 < len(polls))
value_dict["show_previous_link"] = (start > 0)
value_dict["page"] = page
return render(render_file, **value_dict)
def render_poll_admin(bobo_request, poll, add_related, del_related, count, page, show_delete):
value_dict = get_default_values(bobo_request)
errors = {}
if not add_related is None:
other_poll_id = extract_poll_id(add_related, admin=True)
if other_poll_id == poll.id:
errors["related"] = u"Wortschlucker kann nicht mit sich selbst verknüpft werden"
elif other_poll_id is None:
errors["related"] = u"Wortschlucker nicht gefunden"
else:
related_polls = poll.get_related_polls()
if other_poll_id in [one_poll.id for one_poll in related_polls]:
errors["related"] = u"Dieser Wortschlucker wurde bereits verknüpft"
else:
PollRelation(first=poll.id, second=other_poll_id)
if not del_related is None:
other_poll_id = extract_poll_id(del_related, admin=True)
if other_poll_id is None:
errors["related"] = u"Wortschlucker nicht gefunden"
else:
related_polls = poll.get_related_polls()
if not other_poll_id in [one_poll.id for one_poll in related_polls]:
errors["related"] = u"Dieser Wortschlucker war nicht verknüpft"
else:
# delete all relations between these two polls
PollRelation.deleteBy(first=poll.id, second=other_poll_id)
PollRelation.deleteBy(first=other_poll_id, second=poll.id)
value_dict["poll"] = poll
value_dict["page"] = page
value_dict["count"] = count
value_dict["show_delete"] = show_delete
value_dict["errors"] = errors
return render("poll_admin_details.html", **value_dict)
@bobo.query('/admin')
@bobo.query('/admin/')
@bobo.query('/admin/page/:page')
def show_admin_page(bobo_request, page=None, page_size=20):
try:
page_size = int(page_size)
except ValueError:
page_size = 30
return show_poll_list(bobo_request, "admin.html", page_size, page, filter_private=False)
@bobo.query('/')
@bobo.query('/public')
@bobo.query('/public/')
@bobo.query('/public/page/:page')
def show_frontpage(bobo_request, page=None):
return show_poll_list(bobo_request, "frontpage.html", 20, page)
@bobo.query('')
def base():
return bobo.redirect(BASE_DICT["base_url"])
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@bobo.query('/:poll_hash')
@bobo.query('/:poll_hash/')
@bobo.query('/admin/poll/:poll_hash_for_admin')
def show_one_poll(bobo_request, poll_hash_for_admin=None, poll_hash=None,
add_related=None, del_related=None, delete_multiple=None,
delete_submission_id_list=None, count=50, page=1, show_delete=False):
if poll_hash_for_admin:
# shortcut for admins
admin_poll_id = get_poll_id(poll_hash_for_admin)
if admin_poll_id:
poll_hash = Poll.get(admin_poll_id).admin_hash_key
try:
count = int(count)
except ValueError:
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count = 50
count = max(1, min(count, 1000))
try:
page = int(page)
except ValueError:
page = 1
page = max(1, page)
value_dict = get_default_values(bobo_request)
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poll_id = get_poll_id(poll_hash)
if not poll_id is None:
poll = Poll.get(poll_id)
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page = min(page, 1 + (poll.get_num_of_submissions() - 1) / count)
value_dict["poll"] = poll
value_dict["page"] = page
value_dict["count"] = count
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return render("poll_details.html", **value_dict)
else:
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admin_poll_id = get_poll_admin_id(poll_hash)
if not admin_poll_id is None:
if delete_multiple and delete_submission_id_list:
if not isinstance(delete_submission_id_list, list):
delete_submission_id_list = [delete_submission_id_list]
for delete_id in delete_submission_id_list:
ContentSubmission.get(int(delete_id)).destroySelf()
return render_poll_admin(bobo_request, Poll.get(admin_poll_id), add_related, del_related, count, page, bool(show_delete))
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else:
return bobo.redirect(BASE_DICT["base_url"])
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@bobo.query('/node/:pagename')
def show_static_nodes(bobo_request, pagename=None):
""" meant for serving hand-changed, automatically styled content. """
value_dict = get_default_values(bobo_request)
return render("nodes/"+pagename, **value_dict)
def get_static_file(filename):
""" deliver a static file - this function is used internally """
response = webob.Response()
content_type = mimetypes.guess_type(filename)[0]
if content_type is not None:
response.content_type = content_type
try:
response.body = open(filename).read()
except IOError:
raise bobo.NotFound
return response
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@bobo.query('/media/:p1')
@bobo.query('/media/:p1/:p2')
@bobo.query('/media/:p1/:p2/:p3')
def static_files(p1=None, p2=None, p3=None):
""" deliver files up to three levels below /media/ """
pathlist = [p1, p2, p3]
pathname = os.path.join(BASE_DIR, "templates", "media")
for subdir in pathlist:
if not subdir is None:
pathname = os.path.join(pathname, subdir)
return get_static_file(pathname)
for table in (Poll, ContentSubmission, VoteOrder, PollSetting, PollRelation, Profile, ProfilePolls):
#table.dropTable()
if not table.tableExists():
table.createTable()
# how to add new columns to the database:
# * uncomment the line below and change it according to your needs
# * run this script once (manually)
# * disable the line below
# * add the column specification to the object definition
# -> done!
#Poll.sqlmeta.addColumn(sqlobject.BoolCol("vote_open", default=False), changeSchema=True)
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# this line allows to use wortschlucker with mod_wsgi
# see: http://groups.google.com/group/bobo-web/msg/2ba55fc381658cd1
# see: http://blog.dscpl.com.au/2009/08/using-bobo-on-top-of-modwsgi.html
application = bobo.Application(bobo_resources=__name__)
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