def trends_to_string_util(trendsMap):
webpage = ''
for location, trends in trendsMap.items():
header = ''.join([location_from_woeid(location), ": "])
body = '\n'.join(map(str, trends))
webpage = header + body
return webpage
def images(location):
"""
Renders image page with title of python chart that is non-interactable
Example: http://0.0.0.0:5000/images/2282863
:param location:
:return:
"""
place = location_from_woeid(location)
return render_template("images.html", woeid=location, place=place)
def visualize_trends(trends: dict):
trends_logger.info("Start: visualizing trends, trends length: {}".format(len(trends)))
trends_logger.debug(trends)
figures = []
for woeid, trend in trends.items():
graph = _visualize_trend(location_from_woeid(woeid), trend)
figures.append(graph)
trends_logger.info("End: visualizing trends, trends length: {}".format(len(trends)))
return figures
def graph_labels_by_woeid(woeid: int, limit=TREND_HARD_LIMIT):
"""
:param woeid: location geo id
:param limit: limit on top trending topics (50 max)
:return:
"""
trend = twitter_trends._trend_for_one_location(woeid)
topics = [x.name for idx, x in enumerate(trend[:limit])] # label
volumes = [x.volume for idx, x in enumerate(trend[:limit])]
title = location_from_woeid(woeid)
return topics, volumes, title
def _trend_for_one_location(woeid):
"""
returns list of Trends for given location
:param woeid: geo location such as 1 fot Worldwide
:return:
"""
trends_logger.info("Twitter API call: trends_place api call for {}".format(
location_from_woeid(woeid)))
india_trends = trends_place(woeid)
trends = json.loads(json.dumps(india_trends))
fields = _parse_trends(trends[0])
return fields
def visualize(location):
"""
This reders image/png for a given woeid
Example: http://0.0.0.0:5000/visualize/2282863
:param location:
:return:
"""
trends_logger.info("visualizing location: " + location_from_woeid(location))
trends = twitter_trends.trends_by_location(woeids=[location])
fig = visualize_trends(trends)
fig = fig[0]
img = io.BytesIO()
fig.savefig(img)
img.seek(0)
return send_file(img, mimetype='image/png')