def process_mention(twm):
m = Mention()
m.tw_id = twm.id
m.tw_text = twm.text
m.tw_user_friendly_name = twm.user.name
m.tw_username = twm.user.screen_name
m.tw_profile_img_url = twm.user.profile_image_url
m.tw_user_url = twm.user.url
if twm.place is not None:
m.tw_place_full_name = twm.place.full_name
m.tw_place_type = twm.place.place_type
# check this
if twm.place.bounding_box:
il = Location()
lon = twm.place.bounding_box.coordinates[0][0][0]
lat = twm.place.bounding_box.coordinates[0][0][1]
wkt = "POINT({0} {1})".format(lon, lat)
il.loc = WKTSpatialElement(wkt)
m.tw_computed_location = il
# todo average all points in bounding box? compute centroid?
# Handle images
if u"media" in twm.entities:
for img in twm.entities[u"media"]:
# this really should be in the service somewhere since it will have to physically save an image to the FS, too.
i = Image()
i.filename = "{0}.jpg".format(twm.id)
# location
i.address_text = m.tw_place_full_name #'{0} {1}'.format(m.tw_place_full_name, twm.country)
i.title = i.address_text
i.description = m.tw_text
base_img_url = img[u"media_url"]
img_url = "{0}:large".format(base_img_url)
img_response = requests.get(img_url)
p_img = PIL_Image.open(StringIO(img_response.content))
cur_path = os.getcwd()
outfile = os.path.join(cur_path, "CatCat", "static", "image_media", i.filename)
try:
p_img.save(outfile)
except IOError as e:
print("cannot convert", i.title)
i.mention_id = m.tw_id
# associate a location with this image if we have one.
i.location = m.tw_computed_location
db.session.add(i)
db.session.add(m)
try:
db.session.commit()
except IntegrityError:
db.session.rollback()
def upload():
"""Page to add a new catcat sighting."""
form = forms.NewSightingForm()
if form.validate_on_submit():
file = request.files['imageFile']
if file and uploadhelper.allowed_file(file.filename):
filename = uploadhelper.save_with_rename(file)
#Create the DB model objects
i = Image()
i.creator = current_user
i.address_text = form.address.data
i.title = form.title.data
i.description = form.description.data
i.filename = filename
l = Location()
#Safety first. They should already but Decimals, but double-check.
lng = Decimal(form.loc_lng.data)
lat = Decimal(form.loc_lat.data)
#POINT(lng lat)
loc_wkt = "POINT({0} {1})".format(lng, lat)
l.loc = WKTElement(loc_wkt, srid=4326) #4326 is "normal" lag/lng
i.location = l
db.session.add(i)
db.session.commit()
new_id = i.id
return redirect(url_for('main.image', id=new_id))
else:
flash("File type not allowed.")
#otherwise...
return render_template(
'main/upload.html',
title='Add A Cat',
form=form
)
