150 lines
3.6 KiB
Python
150 lines
3.6 KiB
Python
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import print_function
|
|
from __future__ import unicode_literals
|
|
|
|
import time
|
|
import gzip
|
|
import shutil
|
|
import hashlib
|
|
|
|
|
|
import uuid
|
|
|
|
|
|
from django.core.exceptions import ValidationError
|
|
|
|
def format_pace_tick(x,pos=None):
|
|
minu=int(x/60)
|
|
sec=int(x-minu*60.)
|
|
sec_str=str(sec).zfill(2)
|
|
template='%d:%s'
|
|
return template % (minu,sec_str)
|
|
|
|
def format_time_tick(x,pos=None):
|
|
hour=int(x/3600)
|
|
min=int((x-hour*3600.)/60)
|
|
min_str=str(min).zfill(2)
|
|
template='%d:%s'
|
|
return template % (hour,min_str)
|
|
|
|
def format_pace(x,pos=None):
|
|
if isinf(x) or isnan(x):
|
|
x=0
|
|
|
|
min=int(x/60)
|
|
sec=(x-min*60.)
|
|
|
|
str1 = "{min:0>2}:{sec:0>4.1f}".format(
|
|
min = min,
|
|
sec = sec
|
|
)
|
|
|
|
return str1
|
|
|
|
def format_time(x,pos=None):
|
|
|
|
|
|
min = int(x/60.)
|
|
sec = int(x-min*60)
|
|
|
|
str1 = "{min:0>2}:{sec:0>4.1f}".format(
|
|
min=min,
|
|
sec=sec,
|
|
)
|
|
|
|
return str1
|
|
|
|
def validate_image_extension(value):
|
|
import os
|
|
ext = os.path.splitext(value.name)[1].lower()
|
|
valid_extension = ['.jpg','.jpeg','.png','.gif']
|
|
|
|
if not ext in valid_extension:
|
|
raise ValidationError(u'File not supported')
|
|
|
|
def validate_file_extension(value):
|
|
import os
|
|
ext = os.path.splitext(value.name)[1]
|
|
valid_extensions = ['.tcx','.csv','.TCX','.gpx','.GPX',
|
|
'.CSV','.fit','.FIT','.zip','.ZIP',
|
|
'.gz','.GZ','.xls']
|
|
if not ext in valid_extensions:
|
|
raise ValidationError(u'File not supported!')
|
|
|
|
def must_be_csv(value):
|
|
import os
|
|
ext = os.path.splitext(value.name)[1]
|
|
valid_extensions = ['.csv','.CSV']
|
|
if not ext in valid_extensions:
|
|
raise ValidationError(u'File not supported!')
|
|
|
|
def validate_kml(value):
|
|
import os
|
|
ext = os.path.splitext(value.name)[1]
|
|
valid_extensions = ['.kml','.KML']
|
|
if not ext in valid_extensions:
|
|
raise ValidationError(u'File not supported!')
|
|
|
|
|
|
def handle_uploaded_image(i):
|
|
from io import StringIO, BytesIO
|
|
from PIL import Image, ImageOps, ExifTags
|
|
import os
|
|
from django.core.files import File
|
|
image_str = b''
|
|
for chunk in i.chunks():
|
|
image_str += chunk
|
|
|
|
imagefile = BytesIO(image_str)
|
|
|
|
|
|
image = Image.open(i)
|
|
|
|
try:
|
|
for orientation in ExifTags.TAGS.keys():
|
|
if ExifTags.TAGS[orientation]=='Orientation':
|
|
break
|
|
exif=dict(image._getexif().items())
|
|
|
|
except (AttributeError, KeyError, IndexError):
|
|
# cases: image don't have getexif
|
|
exif = {'orientation':0}
|
|
|
|
if image.mode not in ("L", "RGB"):
|
|
image = image.convert("RGB")
|
|
|
|
basewidth = 600
|
|
wpercent = (basewidth/float(image.size[0]))
|
|
hsize = int((float(image.size[1])*float(wpercent)))
|
|
image = image.resize((basewidth,hsize), Image.ANTIALIAS)
|
|
|
|
try:
|
|
if exif[orientation] == 3:
|
|
mage=image.rotate(180, expand=True)
|
|
elif exif[orientation] == 6:
|
|
image=image.rotate(270, expand=True)
|
|
elif exif[orientation] == 8:
|
|
image=image.rotate(90, expand=True)
|
|
except KeyError:
|
|
pass
|
|
|
|
filename = hashlib.md5(imagefile.getvalue()).hexdigest()+'.jpg'
|
|
|
|
filename2 = os.path.join('static/plots/',filename)
|
|
image.save(filename2,'JPEG')
|
|
|
|
return filename,filename2
|
|
|
|
|
|
def handle_uploaded_file(f):
|
|
fname = f.name
|
|
timestr = uuid.uuid4().hex[:10]+'-'+time.strftime("%Y%m%d-%H%M%S")
|
|
fname = timestr+'-'+fname
|
|
fname2 = 'media/'+fname
|
|
with open(fname2,'wb+') as destination:
|
|
for chunk in f.chunks():
|
|
destination.write(chunk)
|
|
|
|
return fname,fname2
|