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get_Extent_from_RHESSysWorkflows_Metadata_File.py
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get_Extent_from_RHESSysWorkflows_Metadata_File.py
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#!/usr/bin/python
###############################################################################################
# Used for retaining workflow extent
#
class Extent(object):
min_x = 0
min_y = 0
max_x = 0
max_y = 0
def __init__(self, min_x, min_y, max_x, max_y):
self.min_x = min_x
self.min_y = min_y
self.max_x = max_x
self.max_y = max_y
def __repr__(self):
return "min x = " + str(self.min_x) + "\nmin y = " + str(self.min_y) + "\nmax x = " + str(self.max_x) + "\nmax y = " + str(self.max_y) + "\n"
###############################################################################################
def get_Extent_from_RHESSysWorkflows_Metadata_File(metadata_file_and_path):
try:
extent_min_x = ''
extent_max_x = ''
extent_min_y = ''
extent_max_y = ''
f = open(metadata_file_and_path, 'r')
lines = f.readlines()
for line in lines:
#print line
fnd = line.find('bbox_wgs84 = ')
if fnd == 0:
#print line
split1 = line.split(' = ') #BEWARE OF SPACES
split2 = split1[1].replace('\n','').split(' ')
#print split2
extent_min_x = split2[0]
extent_min_y = split2[1]
extent_max_x = split2[2]
extent_max_y = split2[3]
result = Extent(extent_min_x,extent_min_y,extent_max_x,extent_max_y)
return result
except Exception,e:
return str(e)
###############################################################################################
def main(argv):
metadata_filename = '/tmp/test/standard/metadata.txt'
my_extent = get_Extent_from_RHESSysWorkflows_Metadata_File(metadata_filename)
print my_extent
###############################################################################################
if __name__ == "__main__":
main(sys.argv)