def hash_file(fname):
h = sha_hash()
if os.path.exists(str(fname)):
h.update(open(fname, "rb").read())
else:
h.update(str(fname))
return h.hexdigest()
def hash_file(fname):
h = sha_hash()
if os.path.exists(str(fname)):
h.update(open(fname, "rb").read())
else:
h.update(str(fname))
return h.hexdigest()
def get_geo_dname(geofolder, geotype, otherdata):
'''given a geometry type (i.e upload:some_shapefile)
and a dictionary of the column/features we'll be using
returns a short fname in the format:
some_shapefile_n where in is a unique number, incremented once for each time
a new column/feature is used.
This info is stored in a pickled dict in the geofolder
'''
geofolder_abs = os.path.join(get_root_dir(), geofolder)
if not os.path.exists(geofolder_abs):
os.makedirs(geofolder_abs)
feature_geoms = get_hash_entry_pickle(geotype, geofolder_abs, "geo.dat")
if not feature_geoms:
feature_geoms = {}
other_geo = sha_hash()
other_geo.update(str(otherdata))
other_geo_hash = other_geo.hexdigest()
if feature_geoms.has_key(other_geo_hash):
dname = geotype + "_" + str(feature_geoms[other_geo_hash])
else:
vals = [v for k, v in feature_geoms.iteritems() if k != 'date_run']
if vals:
next_val = max(vals)+1
else:
next_val = 1
feature_geoms[other_geo_hash] = next_val
dname = geotype + "_" + str(next_val)
write_hash_entry_pickle(geotype, feature_geoms, geofolder_abs, "geo.dat")
return dname
def get_geo_dname(geofolder, geotype, otherdata):
'''given a geometry type (i.e upload:some_shapefile)
and a dictionary of the column/features we'll be using
returns a short fname in the format:
some_shapefile_n where in is a unique number, incremented once for each time
a new column/feature is used.
This info is stored in a pickled dict in the geofolder
'''
geofolder_abs = os.path.join(get_root_dir(), geofolder)
if not os.path.exists(geofolder_abs):
os.makedirs(geofolder_abs)
feature_geoms = get_hash_entry_pickle(geotype, geofolder_abs, "geo.dat")
if not feature_geoms:
feature_geoms = {}
other_geo = sha_hash()
other_geo.update(str(otherdata))
other_geo_hash = other_geo.hexdigest()
if feature_geoms.has_key(other_geo_hash):
dname = geotype + "_" + str(feature_geoms[other_geo_hash])
else:
vals = [v for k, v in feature_geoms.iteritems() if k != 'date_run']
if vals:
next_val = max(vals) + 1
else:
next_val = 1
feature_geoms[other_geo_hash] = next_val
dname = geotype + "_" + str(next_val)
write_hash_entry_pickle(geotype, feature_geoms, geofolder_abs,
"geo.dat")
return dname
