def metadata(req,scene=None,filename=None):
""" show auxilliary metadata files for scenes """
# init AWS module
aws = AWS()
aws.set_scene(scene)
attr = aws.get_scene_attributes()
# make sure that name of scene is valid
if not aws.is_valid_scene_name(scene):
return "Error: invalid scene requested."
# make sure that filename is valid
if not filename in aws.get_metadata_filenames():
return "Error: invalid filename requested"
# strip qi/ subdirectory from cloudmask
filename = re.sub('qi/','',filename)
# link original file to temporary directory and redirect
in_path = "%s/%s/metadata/%s_%s" % (aws.get_basedir(),attr['tile'],scene,filename)
out_path = "/home/institut/www/html/data/sentinel2/metatmp/%s_%s" % (scene,filename)
out_url = re.sub('/home/institut/www/html','',out_path)
if os.path.exists(in_path):
if not os.path.exists(out_path):
os.symlink(in_path,out_path)
redirect(req,out_url)
else:
return "Error: File %s for scene %s does not exist." % (filename,scene)
aws.create_tiledir()
# find all scenes for this tile by year, month, day, scene
years = aws.parse_bucket()
if len(years) > 0:
for year in years:
months = aws.parse_bucket(year)
if len(months) > 0:
for month in months:
days = aws.parse_bucket(year,month)
if len(days) > 0:
for day in days:
scenes = aws.parse_bucket(year,month,day)
if len(scenes) > 0:
for scene in scenes:
for fname in (aws.get_metadata_filenames()):
store_files.append({
'tile' : tile,
'year' : year,
'month' : month,
'day' : day,
'scene' : scene,
'fname' : fname,
})
else:
print "no data found for tile %s" % tile
elif args.days:
# find new scenes within the last n-days
for n in range(int(args.days),0,-1):
curday = date.today() - timedelta(days=n)
