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#-*- coding: utf-8 -*-
import pymongo
import re
from bunch import Bunch
from datetime import datetime
connection = pymongo.Connection('localhost', 27017)
def _build_thread(emails):
thread = {}
for email in emails:
#print email['Date'], email['From'] , email['MessageID']
email = Bunch(email)
ref = []
if 'References' in email:
refs = email['References'].split()[-1:]
refs = [item.replace('<', '').replace('>', '') for item in refs]
ref.extend(refs)
elif 'InReplyTo' in email:
rep = email['InReplyTo'].replace('<', '').replace('>', '')
ref.append(rep)
if email['MessageID'] not in thread:
thread[email['MessageID']] = Bunch(
{'email': email, 'child': []})
else:
thread[email['MessageID']].email = email
for ref in set(ref):
if ref in thread:
thread[ref].child.append(email['MessageID'])
else:
thread[ref] = Bunch(
{'email': None, 'child': [email['MessageID']]})
return thread
def _tree_to_list(tree, mailid, level, thread_list):
start = tree[mailid]
#print start.email.From, start.email.Date, start.child
start.level = level
thread_list.append(start)
for mail in start.child:
mail = tree[mail]
thread_list = _tree_to_list(tree, mail.email['MessageID'],
level + 1, thread_list)
return thread_list
def get_thread_list(table, threadid):
db = connection[table]
db.mails.create_index('ThreadID')
db.mails.ensure_index('ThreadID')
db.mails.create_index('References')
db.mails.ensure_index('References')
db.mails.create_index('InReplyTo')
db.mails.ensure_index('InReplyTo')
thread = list(db.mails.find({'ThreadID': threadid}))
start = db.mails.find_one({'ThreadID': threadid,
'References': {'$exists':False},
'InReplyTo': {'$exists':False}})
tree = _build_thread(thread)
thread_list = []
if thread:
thread = _tree_to_list(tree, start['MessageID'], 0, thread_list)
return thread
else:
return []
def get_thread_name(table, threadid):
db = connection[table]
db.mails.create_index('ThreadID')
db.mails.ensure_index('ThreadID')
thread = list(db.mails.find({'ThreadID': int(threadid)},
sort=[('Date', pymongo.ASCENDING)]))
if thread:
return thread[0]['Subject']
else:
return ''
def get_email(table, emailid):
db = connection[table]
db.mails.create_index('MessageID')
db.mails.ensure_index('MessageID')
return db.mails.find_one({'MessageID': emailid})
def get_emails_thread(table, start_email, thread):
db = connection[table]
db.mails.create_index('Date')
db.mails.ensure_index('Date')
db.mails.create_index('InReplyTo')
db.mails.ensure_index('InReplyTo')
db.mails.create_index('MessageID')
db.mails.ensure_index('MessageID')
regex = '.*%s.*' % start_email['MessageID']
for el in db.mails.find({'References': re.compile(regex, re.IGNORECASE)},
sort=[('Date', pymongo.DESCENDING)]):
thread.append(el)
get_emails_thread(el, thread)
return thread
def get_archives(table, start, end):
db = connection[table]
db.mails.create_index('Date')
db.mails.ensure_index('Date')
db.mails.create_index('References')
db.mails.ensure_index('References')
# Beginning of thread == No 'References' header
archives = []
for el in db.mails.find(
{'References': {'$exists':False},
'InReplyTo': {'$exists':False},
"Date": {"$gt": start, "$lt": end}},
sort=[('Date', pymongo.DESCENDING)]):
archives.append(el)
return archives
def get_thread(table, start, end):
db = connection[table]
db.mails.create_index('Date')
db.mails.ensure_index('Date')
db.mails.create_index('References')
db.mails.ensure_index('References')
# Beginning of thread == No 'References' header
archives = Bunch()
for el in db.mails.find({'References': {'$exists':False},
"Date": {"$gte": start, "$lt": end}},
sort=[('Date', pymongo.DESCENDING)]):
thread = get_emails_thread(el, [el])
#print el['Subject'], len(thread)
archives[el['Subject']] = thread
return archives
def get_thread_length(table, thread_id):
db = connection[table]
db.mails.create_index('ThreadID')
db.mails.ensure_index('ThreadID')
return db.mails.find({'ThreadID': thread_id}).count()
def get_thread_participants(table, thread_id):
db = connection[table]
db.mails.create_index('ThreadID')
db.mails.ensure_index('ThreadID')
authors = set()
for mail in db.mails.find({'ThreadID': thread_id}):
authors.add(mail['From'])
return len(authors)
def get_archives_length(table):
db = connection[table]
db.mails.create_index('Date')
db.mails.ensure_index('Date')
archives = {}
entry = db.mails.find_one(sort=[('Date', pymongo.ASCENDING)])
date = entry['Date']
now = datetime.now()
year = date.year
month = date.month
while year < now.year:
archives[year] = range(1,13)[(month -1):]
year = year + 1
month = 1
archives[now.year] = range(1,13)[:now.month]
return archives
def search_archives(table, query, limit=None):
db = connection[table]
db.mails.create_index('Date')
db.mails.ensure_index('Date')
for el in query:
db.mails.create_index(str(el))
db.mails.ensure_index(str(el))
output = []
try:
limit = int(limit)
except ValueError:
limit = None
if limit:
output = list(db.mails.find(query, sort=[('Date',
pymongo.DESCENDING)]).limit(limit))
else:
output = list(db.mails.find(query, sort=[('Date',
pymongo.DESCENDING)]))
return output
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