def add_guidestar_info_to_db(ein):
"""Takes the EIN of a nonprofit as input. If the nonprofit is already in the DB, its info is updated.
If the nonprofit is not in the DB, it is inserted."""
logger.debug('Inside add_guidestar_info_to_db({0})'.format(ein))
query = DBSession.query(Nonprofit).filter(Nonprofit.ein == ein)
nonprofit_db = query.first()
nonprofit_gs = givinggraph.guidestar.search.get_nonprofit(ein)
if nonprofit_gs is None:
return None
if nonprofit_db is None:
nonprofit_db = Nonprofit(nonprofit_gs.name,
nonprofit_gs.ein,
nonprofit_gs.ntee_code,
nonprofit_gs.mission,
nonprofit_gs.mission,
None,
None,
nonprofit_gs.city,
nonprofit_gs.state,
nonprofit_gs.zip)
DBSession.add(nonprofit_db)
else:
nonprofit_db.name = nonprofit_gs.name
nonprofit_db.ntee_code = nonprofit_gs.ntee_code
nonprofit_db.mission = nonprofit_gs.mission
nonprofit_db.description = nonprofit_gs.mission
nonprofit_db.city = nonprofit_gs.city
nonprofit_db.state = nonprofit_gs.state
nonprofit_db.ZIP = nonprofit_gs.zip
DBSession.commit()
return nonprofit_db
def add_nonprofit_company_news_article_connections(article_ids, companies):
"""Takes a list of IDs of news articles and a list of Company objects as input. If any of
the articles contain a company name, a link is made in the DB between the article and the company."""
logger.debug(
'Inside add_nonprofit_company_news_article_connections(news_articles, companies)'
)
for article_id in article_ids:
article = DBSession.query(News_Article).get(article_id)
if article is None:
print '***************************'
print '***************************'
print article_id
print '***************************'
print '***************************'
time.sleep(180)
counter = 1
for company in companies:
if counter % 100 == 0:
print 'Processing article {0} for company {1} of {2}...'.format(
article_id, counter, len(companies))
counter += 1
for mention in news_parser.get_company_mentions_in_text(
article.text, company.name.encode('utf-8')):
if news_parser.contains_supportive_wording(mention):
article.companies.append(company)
break
DBSession.commit()
def add_new_nonprofit(ein):
if DBSession.query(Nonprofit).filter(Nonprofit.ein == ein).first() is not None:
return
# lookup guidestar info before doing anything else.
nonprofit = add_guidestar_info_to_db(ein)
if nonprofit is None:
print 'Guidestar returned nothing for EIN {0}, exiting.'.format(ein)
return None
logger.debug('Getting companies...')
companies = DBSession.query(Company).all()
logger.debug('Companies retrieved.')
# twitter_chain = chain(update_nonprofit_twitter_name.si(nonprofit.nonprofits_id),
# group(get_tweets_for_nonprofit.si(nonprofit.nonprofits_id),
# get_followers_for_nonprofit.si(nonprofit.nonprofits_id)))
# add_news_articles_to_db_for_nonprofit returns a list of articles, which will get passed as the 2nd argument to add_nonprofit_company_news_article_connections
# NOTE: Commented out because of synchronization issue: articles passed to add_nonprofit_company_news_article_connections(...) are in the DB, but SQLAlchemy doesn't see them.
# news_chain = chain(add_news_articles_to_db_for_nonprofit.si(nonprofit.nonprofits_id),
# add_nonprofit_company_news_article_connections.s(companies))
article_ids = add_news_articles_to_db_for_nonprofit(nonprofit.nonprofits_id)
add_nonprofit_company_news_article_connections(article_ids, companies)
update_nonprofit_twitter_name(nonprofit.nonprofits_id)
get_tweets_for_nonprofit(nonprofit.nonprofits_id)
get_followers_for_nonprofit(nonprofit.nonprofits_id)
def add_new_nonprofit(ein):
if DBSession.query(Nonprofit).filter(
Nonprofit.ein == ein).first() is not None:
return
# lookup guidestar info before doing anything else.
nonprofit = add_guidestar_info_to_db(ein)
if nonprofit is None:
print 'Guidestar returned nothing for EIN {0}, exiting.'.format(ein)
return None
logger.debug('Getting companies...')
companies = DBSession.query(Company).all()
logger.debug('Companies retrieved.')
# twitter_chain = chain(update_nonprofit_twitter_name.si(nonprofit.nonprofits_id),
# group(get_tweets_for_nonprofit.si(nonprofit.nonprofits_id),
# get_followers_for_nonprofit.si(nonprofit.nonprofits_id)))
# add_news_articles_to_db_for_nonprofit returns a list of articles, which will get passed as the 2nd argument to add_nonprofit_company_news_article_connections
# NOTE: Commented out because of synchronization issue: articles passed to add_nonprofit_company_news_article_connections(...) are in the DB, but SQLAlchemy doesn't see them.
# news_chain = chain(add_news_articles_to_db_for_nonprofit.si(nonprofit.nonprofits_id),
# add_nonprofit_company_news_article_connections.s(companies))
article_ids = add_news_articles_to_db_for_nonprofit(
nonprofit.nonprofits_id)
add_nonprofit_company_news_article_connections(article_ids, companies)
update_nonprofit_twitter_name(nonprofit.nonprofits_id)
get_tweets_for_nonprofit(nonprofit.nonprofits_id)
get_followers_for_nonprofit(nonprofit.nonprofits_id)
def add_guidestar_info_to_db(ein):
"""Takes the EIN of a nonprofit as input. If the nonprofit is already in the DB, its info is updated.
If the nonprofit is not in the DB, it is inserted."""
logger.debug('Inside add_guidestar_info_to_db({0})'.format(ein))
query = DBSession.query(Nonprofit).filter(Nonprofit.ein == ein)
nonprofit_db = query.first()
nonprofit_gs = givinggraph.guidestar.search.get_nonprofit(ein)
if nonprofit_gs is None:
return None
if nonprofit_db is None:
nonprofit_db = Nonprofit(nonprofit_gs.name, nonprofit_gs.ein,
nonprofit_gs.ntee_code, nonprofit_gs.mission,
nonprofit_gs.mission, None, None,
nonprofit_gs.city, nonprofit_gs.state,
nonprofit_gs.zip)
DBSession.add(nonprofit_db)
else:
nonprofit_db.name = nonprofit_gs.name
nonprofit_db.ntee_code = nonprofit_gs.ntee_code
nonprofit_db.mission = nonprofit_gs.mission
nonprofit_db.description = nonprofit_gs.mission
nonprofit_db.city = nonprofit_gs.city
nonprofit_db.state = nonprofit_gs.state
nonprofit_db.ZIP = nonprofit_gs.zip
DBSession.commit()
return nonprofit_db
def add_news_articles_to_db_for_nonprofits():
"""Look up news articles for every nonprofit in the DB, and store any news articles containing company names."""
logger.debug('Inside add_news_articles_to_db_for_nonprofits()')
logger.debug('Getting companies...')
companies = DBSession.query(Company).all()
logger.debug('Done loading companies...')
for nonprofit in DBSession.query(Nonprofit).all():
articles = add_news_articles_to_db_for_nonprofit(nonprofit)
add_nonprofit_company_news_article_connections(companies, articles)
def add_news_articles_to_db_for_nonprofits():
"""Look up news articles for every nonprofit in the DB, and store any news articles containing company names."""
logger.debug('Inside add_news_articles_to_db_for_nonprofits()')
logger.debug('Getting companies...')
companies = DBSession.query(Company).all()
logger.debug('Done loading companies...')
for nonprofit in DBSession.query(Nonprofit).all():
articles = add_news_articles_to_db_for_nonprofit(nonprofit)
add_nonprofit_company_news_article_connections(companies, articles)
def show_topics_for_tweets():
"""Experimental code for displaying topics generated by topic modeling."""
twitter_names = [row.twitter_name for row in DBSession.query(Tweet.twitter_name).group_by(Tweet.twitter_name).all()]
tweets = []
print 'Retrieving tweets...'
for tweet_name in twitter_names:
tweet_text = [row.text for row in DBSession.query(Tweet.text).filter(Tweet.twitter_name == tweet_name).all()]
tweets.append('\n'.join(tweet_text))
print 'Getting topics...'
lda.get_topics(tweets)
def sector_stats(ntee):
"""
Return a dict containing average values for various graph metrics for
nonprofits with this NTEE code.
"""
results = DBSession.query(Nonprofit).filter(Nonprofit.ntee_code.like(ntee + '%')).all()
stats = defaultdict(lambda: [])
for result in [r for r in results if r.twitter_name]:
nta = DBSession.query(Nonprofit_Twitter_Attributes).filter(Nonprofit_Twitter_Attributes.id == result.twitter_name).first()
if nta:
stats['clustering_coefficient'].append(float(nta.clustering_coefficient))
stats['hub'].append(float(nta.hub))
stats['authority'].append(float(nta.authority))
return dict((k, np.mean(v)) for k, v in stats.iteritems())
def update_null_nonprofit_twitter_ids():
"""Finds nonprofits for which the Twitter name is not null, but the Twitter user ID is null,
and gives the Twitter user ID a value."""
logger.debug('Inside update_null_nonprofit_twitter_ids()')
query = DBSession.query(Nonprofit).filter(Nonprofit.twitter_id == None).filter(Nonprofit.twitter_name != None) # nopep8
nonprofits = query.all()
screen_names = [nonprofit.twitter_name for nonprofit in nonprofits]
screen_name_to_id_map = givinggraph.twitter.users.get_screen_name_to_id_map(screen_names)
for nonprofit in nonprofits:
if nonprofit.twitter_name.lower() in screen_name_to_id_map:
nonprofit.twitter_id = screen_name_to_id_map[nonprofit.twitter_name.lower()]
else:
print '"{0}" was not found, the account may have been deleted or the screen name may have changed.'.format(nonprofit.twitter_name)
DBSession.commit()
def update_nonprofit_twitter_name(nonprofits_id):
"""Takes the ID of a nonprofit and uses Yahoo to try to find the Twitter name for that nonprofit.
If found, the nonprofit's entry in the DB is updated."""
logger.debug('Inside update_nonprofit_twitter_name(nonprofits_id) for nonprofits_id {0}'.format(nonprofits_id))
nonprofit = DBSession.query(Nonprofit).get(nonprofits_id)
search_results = givinggraph.yahoo.search.get_search_results('twitter ' + nonprofit.name)
if len(search_results) == 0:
return
twitter_url = search_results[0]
twitter_url = twitter_url.replace('http://', '').replace('https://', '')
twitter_name = None
if twitter_url[:11] == 'twitter.com':
twitter_name = twitter_url[12:]
nonprofit.twitter_name = twitter_name
DBSession.commit()
def show_topics_for_tweets():
"""Experimental code for displaying topics generated by topic modeling."""
twitter_names = [
row.twitter_name for row in DBSession.query(
Tweet.twitter_name).group_by(Tweet.twitter_name).all()
]
tweets = []
print 'Retrieving tweets...'
for tweet_name in twitter_names:
tweet_text = [
row.text for row in DBSession.query(Tweet.text).filter(
Tweet.twitter_name == tweet_name).all()
]
tweets.append('\n'.join(tweet_text))
print 'Getting topics...'
lda.get_topics(tweets)
def sector_stats(ntee):
"""
Return a dict containing average values for various graph metrics for
nonprofits with this NTEE code.
"""
results = DBSession.query(Nonprofit).filter(Nonprofit.ntee_code.like(ntee + "%")).all()
stats = defaultdict(lambda: [])
for result in [r for r in results if r.twitter_name]:
nta = (
DBSession.query(Nonprofit_Twitter_Attributes)
.filter(Nonprofit_Twitter_Attributes.id == result.twitter_name)
.first()
)
if nta:
stats["clustering_coefficient"].append(float(nta.clustering_coefficient))
stats["hub"].append(float(nta.hub))
stats["authority"].append(float(nta.authority))
return dict((k, np.mean(v)) for k, v in stats.iteritems())
def update_nonprofit_twitter_name(nonprofits_id):
"""Takes the ID of a nonprofit and uses Yahoo to try to find the Twitter name for that nonprofit.
If found, the nonprofit's entry in the DB is updated."""
logger.debug(
'Inside update_nonprofit_twitter_name(nonprofits_id) for nonprofits_id {0}'
.format(nonprofits_id))
nonprofit = DBSession.query(Nonprofit).get(nonprofits_id)
search_results = givinggraph.yahoo.search.get_search_results(
'twitter ' + nonprofit.name)
if len(search_results) == 0:
return
twitter_url = search_results[0]
twitter_url = twitter_url.replace('http://', '').replace('https://', '')
twitter_name = None
if twitter_url[:11] == 'twitter.com':
twitter_name = twitter_url[12:]
nonprofit.twitter_name = twitter_name
DBSession.commit()
def update_null_nonprofit_twitter_ids():
"""Finds nonprofits for which the Twitter name is not null, but the Twitter user ID is null,
and gives the Twitter user ID a value."""
logger.debug('Inside update_null_nonprofit_twitter_ids()')
query = DBSession.query(Nonprofit).filter(
Nonprofit.twitter_id == None).filter(
Nonprofit.twitter_name != None) # nopep8
nonprofits = query.all()
screen_names = [nonprofit.twitter_name for nonprofit in nonprofits]
screen_name_to_id_map = givinggraph.twitter.users.get_screen_name_to_id_map(
screen_names)
for nonprofit in nonprofits:
if nonprofit.twitter_name.lower() in screen_name_to_id_map:
nonprofit.twitter_id = screen_name_to_id_map[
nonprofit.twitter_name.lower()]
else:
print '"{0}" was not found, the account may have been deleted or the screen name may have changed.'.format(
nonprofit.twitter_name)
DBSession.commit()
def possible_partners():
"""Return the possible donors given a nonprofit"""
attr = request.args.get('attr')
if attr == 'description':
query = "call from_id_to_companies_by_desc('%d')" % int(request.args.get('id'))
elif attr == 'homepage':
query = "call from_id_to_companies_by_home('%d')" % int(request.args.get('id'))
elif attr == 'tweets':
query = "call from_id_to_companies_by_tweets('%d')" % int(request.args.get('id'))
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
def get_tweets_for_nonprofit(nonprofits_id):
"""Retrieve tweets for the given nonprofit and store them in the DB."""
logger.debug('Inside get_tweets_for_nonprofit(nonprofit) for nonprofits_id {0}'.format(nonprofits_id))
nonprofit = DBSession.query(Nonprofit).get(nonprofits_id)
max_tweet = DBSession.query(func.max(cast(Tweet.tweet_id, Integer)).label('max_tweet_id')).filter(Tweet.twitter_name == nonprofit.twitter_name).first()
if max_tweet is None or max_tweet.max_tweet_id is None:
max_tweet_id = 1
else:
max_tweet_id = max_tweet.max_tweet_id
tweets = []
if nonprofit.twitter_id is not None:
tweets = givinggraph.twitter.tweets.get_tweets_by_id(nonprofit.twitter_id, True, since_id=max_tweet_id)
elif nonprofit.twitter_name is not None:
tweets = givinggraph.twitter.tweets.get_tweets_by_name(nonprofit.twitter_name, True, since_id=max_tweet_id)
else:
pass
for tweet in tweets:
DBSession.add(Tweet(tweet['user']['screen_name'],
tweet['id_str'],
tweet['created_at'],
tweet['text'].encode('utf-8'),
tweet['lang'],
tweet['retweet_count'],
tweet['favorite_count'],
', '.join([mention['id_str'] for mention in tweet['entities']['user_mentions']]),
', '.join([mention['screen_name'] for mention in tweet['entities']['user_mentions']]),
', '.join([hashtag['text'] for hashtag in tweet['entities']['hashtags']]),
', '.join([url['expanded_url'] for url in tweet['entities']['urls']]),
tweet['in_reply_to_screen_name'],
tweet['in_reply_to_user_id_str'],
tweet['in_reply_to_status_id_str']))
DBSession.commit()
def sector_summary():
"""Return the summary of a given NTEE code"""
query = "call sector_summary('%s')" % request.args.get('ntee')
result = DBSession.execute(query)
my_dict = procedure_to_json(result)
nonprofits = my_dict['results']
result = {
'avg_closeness_centrality': 0,
'avg_clustering_coefficient': 0,
'avg_degree': 0,
'avg_hubAuth': 0,
'avg_weighted_degree': 0,
'avg_eccentricity': 0,
'avg_clustering_coefficient': 0
}
tw_communities = {}
web_communities = {}
desc_communities = {}
for nonprofit in nonprofits:
result['avg_closeness_centrality'] += nonprofit[
'closeness_centrality'] / float(len(nonprofits))
result['avg_clustering_coefficient'] += nonprofit[
'clustering_coefficient'] / float(len(nonprofits))
result['avg_degree'] += nonprofit['degree'] / float(len(nonprofits))
result['avg_hubAuth'] += nonprofit['hubAuth'] / float(len(nonprofits))
result['avg_weighted_degree'] += nonprofit['weighted_degree'] / float(
len(nonprofits))
result['avg_eccentricity'] += nonprofit['eccentricity'] / float(
len(nonprofits))
result['avg_clustering_coefficient'] += nonprofit[
'clustering_coefficient'] / float(len(nonprofits))
if nonprofit['tw_community'] not in tw_communities:
tw_communities[nonprofit['tw_community']] = 0
else:
tw_communities[nonprofit['tw_community']] += 1
if nonprofit['web_community'] not in web_communities:
web_communities[nonprofit['web_community']] = 0
else:
web_communities[nonprofit['web_community']] += 1
if nonprofit['desc_community'] not in desc_communities:
desc_communities[nonprofit['desc_community']] = 0
else:
desc_communities[nonprofit['desc_community']] += 1
result['tw_communities'] = tw_communities
result['web_communities'] = web_communities
result['desc_communities'] = desc_communities
return json.dumps(result)
def get_followers_for_nonprofit(nonprofits_id):
"""Retrieve followers for the given nonprofit and store them in the DB."""
logger.debug('Inside get_followers_for_nonprofit(nonprofit) for nonprofits_id {0}'.format(nonprofits_id))
nonprofit = DBSession.query(Nonprofit).get(nonprofits_id)
if nonprofit.twitter_id is not None:
pass
# follower_ids = givinggraph.twitter.users.get_followers(nonprofit.twitter_id)
# DBSession.query(Nonprofits_Follower).filter(Nonprofits_Follower.nonprofit_handle == nonprofit.twitter_name).delete()
# for follower_id in follower_ids:
# DBSession.add(Nonprofits_Follower(nonprofit.twitter_name, follower_id))
# DBSession.commit()
else:
pass
def add_similarity_scores_for_nonprofit_descriptions():
"""Calculate similarity scores for every pair of nonprofit descriptions and store them in the DB."""
logger.debug('Inside add_similarity_scores_for_nonprofit_descriptions()')
nonprofits = DBSession.query(Nonprofit).filter(Nonprofit.description != None).all() # nopep8
similarity_matrix = similarity.get_similarity_scores_all_pairs([nonprofit.description for nonprofit in nonprofits])
DBSession.query(Nonprofits_Similarity_By_Description).delete()
for m in xrange(len(similarity_matrix) - 1):
for n in xrange(m + 1, len(similarity_matrix)):
DBSession.add(Nonprofits_Similarity_By_Description(nonprofits[m].nonprofits_id, nonprofits[n].nonprofits_id, similarity_matrix[m][n]))
DBSession.commit()
def add_similarity_scores_for_nonprofit_tweets():
"""Calculate similarity scores for every pair of nonprofit tweets and store them in the DB."""
logger.debug('Inside add_similarity_scores_for_nonprofit_tweets()')
tweets = DBSession.query(Tweet.twitter_name, func.group_concat(Tweet.text).label('text')).group_by(Tweet.twitter_name).all()
similarity_matrix = similarity.get_similarity_scores_all_pairs([tweet.text for tweet in tweets])
DBSession.query(Nonprofits_Similarity_By_Tweets).delete()
for m in xrange(len(similarity_matrix) - 1):
for n in xrange(m + 1, len(similarity_matrix)):
DBSession.add(Nonprofits_Similarity_By_Tweets(tweets[m].twitter_name, tweets[n].twitter_name, similarity_matrix[m][n]))
DBSession.commit()
def possible_partners():
"""Return the possible donors given a nonprofit"""
attr = request.args.get('attr')
if attr == 'description':
query = "call from_id_to_companies_by_desc('%d')" % int(
request.args.get('id'))
elif attr == 'homepage':
query = "call from_id_to_companies_by_home('%d')" % int(
request.args.get('id'))
elif attr == 'tweets':
query = "call from_id_to_companies_by_tweets('%d')" % int(
request.args.get('id'))
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
def add_nonprofit_company_news_article_connections(article_ids, companies):
"""Takes a list of IDs of news articles and a list of Company objects as input. If any of
the articles contain a company name, a link is made in the DB between the article and the company."""
logger.debug('Inside add_nonprofit_company_news_article_connections(news_articles, companies)')
for article_id in article_ids:
article = DBSession.query(News_Article).get(article_id)
if article is None:
print '***************************'
print '***************************'
print article_id
print '***************************'
print '***************************'
time.sleep(180)
counter = 1
for company in companies:
if counter % 100 == 0:
print 'Processing article {0} for company {1} of {2}...'.format(article_id, counter, len(companies))
counter += 1
for mention in news_parser.get_company_mentions_in_text(article.text, company.name.encode('utf-8')):
if news_parser.contains_supportive_wording(mention):
article.companies.append(company)
break
DBSession.commit()
def similarity():
"""Return the most similar nonprofits given a nonprofits and a metric."""
top = 10 if request.args.get('top') is None else int(request.args.get('top'))
attr = request.args.get('attr')
if attr == 'description':
query = 'call from_nonprofit_id_to_similar_charities_by_description(%d, %d)' % (int(request.args.get('id')), top)
elif attr == 'homepage':
query = 'call from_nonprofit_id_to_similar_charities_by_homepage(%d, %d)' % (int(request.args.get('id')), top)
elif attr == 'tweets':
query = 'call from_nonprofit_id_to_similar_charities_by_tweets(%d, %d)' % (int(request.args.get('id')), top)
elif attr == 'followers':
query = 'call from_nonprofit_id_to_similar_charities_by_followers(%d, %d)' % (int(request.args.get('id')), top)
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
def get_followers_for_nonprofit(nonprofits_id):
"""Retrieve followers for the given nonprofit and store them in the DB."""
logger.debug(
'Inside get_followers_for_nonprofit(nonprofit) for nonprofits_id {0}'.
format(nonprofits_id))
nonprofit = DBSession.query(Nonprofit).get(nonprofits_id)
if nonprofit.twitter_id is not None:
pass
# follower_ids = givinggraph.twitter.users.get_followers(nonprofit.twitter_id)
# DBSession.query(Nonprofits_Follower).filter(Nonprofits_Follower.nonprofit_handle == nonprofit.twitter_name).delete()
# for follower_id in follower_ids:
# DBSession.add(Nonprofits_Follower(nonprofit.twitter_name, follower_id))
# DBSession.commit()
else:
pass
def sector_summary():
"""Return the summary of a given NTEE code"""
query = "call sector_summary('%s')" % request.args.get('ntee')
result = DBSession.execute(query)
my_dict = procedure_to_json(result)
nonprofits = my_dict['results']
result = {
'avg_closeness_centrality': 0,
'avg_clustering_coefficient': 0,
'avg_degree': 0,
'avg_hubAuth': 0,
'avg_weighted_degree': 0,
'avg_eccentricity': 0,
'avg_clustering_coefficient': 0
}
tw_communities = {}
web_communities = {}
desc_communities = {}
for nonprofit in nonprofits:
result['avg_closeness_centrality'] += nonprofit['closeness_centrality'] / float(len(nonprofits))
result['avg_clustering_coefficient'] += nonprofit['clustering_coefficient'] / float(len(nonprofits))
result['avg_degree'] += nonprofit['degree'] / float(len(nonprofits))
result['avg_hubAuth'] += nonprofit['hubAuth'] / float(len(nonprofits))
result['avg_weighted_degree'] += nonprofit['weighted_degree'] / float(len(nonprofits))
result['avg_eccentricity'] += nonprofit['eccentricity'] / float(len(nonprofits))
result['avg_clustering_coefficient'] += nonprofit['clustering_coefficient'] / float(len(nonprofits))
if nonprofit['tw_community'] not in tw_communities:
tw_communities[nonprofit['tw_community']] = 0
else:
tw_communities[nonprofit['tw_community']] += 1
if nonprofit['web_community'] not in web_communities:
web_communities[nonprofit['web_community']] = 0
else:
web_communities[nonprofit['web_community']] += 1
if nonprofit['desc_community'] not in desc_communities:
desc_communities[nonprofit['desc_community']] = 0
else:
desc_communities[nonprofit['desc_community']] += 1
result['tw_communities'] = tw_communities
result['web_communities'] = web_communities
result['desc_communities'] = desc_communities
return json.dumps(result)
def add_similarity_scores_for_nonprofit_descriptions():
"""Calculate similarity scores for every pair of nonprofit descriptions and store them in the DB."""
logger.debug('Inside add_similarity_scores_for_nonprofit_descriptions()')
nonprofits = DBSession.query(Nonprofit).filter(
Nonprofit.description != None).all() # nopep8
similarity_matrix = similarity.get_similarity_scores_all_pairs(
[nonprofit.description for nonprofit in nonprofits])
DBSession.query(Nonprofits_Similarity_By_Description).delete()
for m in xrange(len(similarity_matrix) - 1):
for n in xrange(m + 1, len(similarity_matrix)):
DBSession.add(
Nonprofits_Similarity_By_Description(
nonprofits[m].nonprofits_id, nonprofits[n].nonprofits_id,
similarity_matrix[m][n]))
DBSession.commit()
def add_news_articles_to_db_for_nonprofit(nonprofits_id):
"""Searches the web for news articles related to the nonprofit and stores them in the DB. Returns the IDs of the news articles found."""
logger.debug('Inside add_news_articles_to_db_for_nonprofit(nonprofit) for nonprofits_id {0}'.format(nonprofits_id))
nonprofit = DBSession.query(Nonprofit).get(nonprofits_id)
query = DBSession.query(News_Article).filter(News_Article.nonprofits_id == nonprofits_id)
already_retrieved_urls = [news_article.url for news_article in query.all()]
news_articles = []
for article in news_searcher.find_news_articles(nonprofit.name, urls_to_ignore=already_retrieved_urls):
news_articles.append(News_Article(nonprofit.nonprofits_id, article.url, article.headline, article.body))
DBSession.add_all(news_articles)
DBSession.commit()
return [news_article.news_articles_id for news_article in news_articles]
def similarity():
"""Return the most similar nonprofits given a nonprofits and a metric."""
top = 10 if request.args.get('top') is None else int(
request.args.get('top'))
attr = request.args.get('attr')
if attr == 'description':
query = 'call from_nonprofit_id_to_similar_charities_by_description(%d, %d)' % (
int(request.args.get('id')), top)
elif attr == 'homepage':
query = 'call from_nonprofit_id_to_similar_charities_by_homepage(%d, %d)' % (
int(request.args.get('id')), top)
elif attr == 'tweets':
query = 'call from_nonprofit_id_to_similar_charities_by_tweets(%d, %d)' % (
int(request.args.get('id')), top)
elif attr == 'followers':
query = 'call from_nonprofit_id_to_similar_charities_by_followers(%d, %d)' % (
int(request.args.get('id')), top)
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
def add_similarity_scores_for_nonprofit_tweets():
"""Calculate similarity scores for every pair of nonprofit tweets and store them in the DB."""
logger.debug('Inside add_similarity_scores_for_nonprofit_tweets()')
tweets = DBSession.query(Tweet.twitter_name,
func.group_concat(
Tweet.text).label('text')).group_by(
Tweet.twitter_name).all()
similarity_matrix = similarity.get_similarity_scores_all_pairs(
[tweet.text for tweet in tweets])
DBSession.query(Nonprofits_Similarity_By_Tweets).delete()
for m in xrange(len(similarity_matrix) - 1):
for n in xrange(m + 1, len(similarity_matrix)):
DBSession.add(
Nonprofits_Similarity_By_Tweets(tweets[m].twitter_name,
tweets[n].twitter_name,
similarity_matrix[m][n]))
DBSession.commit()
def get_tweets_for_nonprofit(nonprofits_id):
"""Retrieve tweets for the given nonprofit and store them in the DB."""
logger.debug(
'Inside get_tweets_for_nonprofit(nonprofit) for nonprofits_id {0}'.
format(nonprofits_id))
nonprofit = DBSession.query(Nonprofit).get(nonprofits_id)
max_tweet = DBSession.query(
func.max(cast(Tweet.tweet_id, Integer)).label('max_tweet_id')).filter(
Tweet.twitter_name == nonprofit.twitter_name).first()
if max_tweet is None or max_tweet.max_tweet_id is None:
max_tweet_id = 1
else:
max_tweet_id = max_tweet.max_tweet_id
tweets = []
if nonprofit.twitter_id is not None:
tweets = givinggraph.twitter.tweets.get_tweets_by_id(
nonprofit.twitter_id, True, since_id=max_tweet_id)
elif nonprofit.twitter_name is not None:
tweets = givinggraph.twitter.tweets.get_tweets_by_name(
nonprofit.twitter_name, True, since_id=max_tweet_id)
else:
pass
for tweet in tweets:
DBSession.add(
Tweet(
tweet['user']['screen_name'], tweet['id_str'],
tweet['created_at'], tweet['text'].encode('utf-8'),
tweet['lang'], tweet['retweet_count'], tweet['favorite_count'],
', '.join([
mention['id_str']
for mention in tweet['entities']['user_mentions']
]), ', '.join([
mention['screen_name']
for mention in tweet['entities']['user_mentions']
]), ', '.join([
hashtag['text']
for hashtag in tweet['entities']['hashtags']
]), ', '.join([
url['expanded_url'] for url in tweet['entities']['urls']
]), tweet['in_reply_to_screen_name'],
tweet['in_reply_to_user_id_str'],
tweet['in_reply_to_status_id_str']))
DBSession.commit()
def add_news_articles_to_db_for_nonprofit(nonprofits_id):
"""Searches the web for news articles related to the nonprofit and stores them in the DB. Returns the IDs of the news articles found."""
logger.debug(
'Inside add_news_articles_to_db_for_nonprofit(nonprofit) for nonprofits_id {0}'
.format(nonprofits_id))
nonprofit = DBSession.query(Nonprofit).get(nonprofits_id)
query = DBSession.query(News_Article).filter(
News_Article.nonprofits_id == nonprofits_id)
already_retrieved_urls = [news_article.url for news_article in query.all()]
news_articles = []
for article in news_searcher.find_news_articles(
nonprofit.name, urls_to_ignore=already_retrieved_urls):
news_articles.append(
News_Article(nonprofit.nonprofits_id, article.url,
article.headline, article.body))
DBSession.add_all(news_articles)
DBSession.commit()
return [news_article.news_articles_id for news_article in news_articles]
def related_companies():
"""Return the companies that are mentioned with a nonprofit in news articles"""
query = 'call related_companies(%d)' % int(request.args.get('id'))
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
def twitter():
"""Return twitter-related information given a nonprofit"""
query = 'call from_nonprofit_id_to_twitter(%d)' % int(request.args.get('id'))
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
def graph_stats():
"""Return the SNA indexes given a nonprofit"""
query = 'call from_nonprofit_id_to_sna(%d)' % int(request.args.get('id'))
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
def by_ein(ein_id):
"""Lookup nonprofit by EIN."""
return result2json(DBSession.query(Nonprofit).filter(Nonprofit.ein == ein_id).first())
def by_id(nonprofit_id):
"""Lookup nonprofit by our internal id."""
return result2json(DBSession.query(Nonprofit).filter(Nonprofit.nonprofits_id == nonprofit_id).first())
def by_ein(ein_id):
"""Lookup nonprofit by EIN."""
return result2json(
DBSession.query(Nonprofit).filter(Nonprofit.ein == ein_id).first())
def related_companies():
"""Return the companies that are mentioned with a nonprofit in news articles"""
query = 'call related_companies(%d)' % int(request.args.get('id'))
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
def by_id(nonprofit_id):
"""Lookup nonprofit by our internal id."""
return result2json(
DBSession.query(Nonprofit).filter(
Nonprofit.nonprofits_id == nonprofit_id).first())
def twitter():
"""Return twitter-related information given a nonprofit"""
query = 'call from_nonprofit_id_to_twitter(%d)' % int(
request.args.get('id'))
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
def graph_stats():
"""Return the SNA indexes given a nonprofit"""
query = 'call from_nonprofit_id_to_sna(%d)' % int(request.args.get('id'))
result = DBSession.execute(query)
return json.dumps(procedure_to_json(result))
