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uncompressing the pbf files #109

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uncompressing the pbf files #109

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ca44bdc
uncompressing the pbf files
anilkunchalaece Apr 20, 2019
2b6723c
added imports
anilkunchalaece Apr 20, 2019
4094ac9
replaced logging with print
anilkunchalaece Apr 20, 2019
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19 changes: 19 additions & 0 deletions mbutil/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
# https://github.com/mapbox/node-mbtiles/blob/master/lib/schema.sql

import sqlite3, sys, logging, time, os, json, zlib, re
import shutil,gzip

logger = logging.getLogger(__name__)

Expand Down Expand Up @@ -337,6 +338,7 @@ def mbtiles_to_disk(mbtiles_file, directory_path, **kwargs):
f = open(tile, 'wb')
f.write(t[3])
f.close()
uncompressFile(tile)
done = done + 1
if not silent:
logger.info('%s / %s tiles exported' % (done, count))
Expand Down Expand Up @@ -384,3 +386,20 @@ def mbtiles_to_disk(mbtiles_file, directory_path, **kwargs):
if not silent:
logger.info('%s / %s grids exported' % (done, count))
g = grids.fetchone()

# uncompress the file
def uncompressFile(srcFileName):
#do this if you only find .pbf file
if srcFileName.find(".pbf") != -1 :
#temperoraly copy the contents
srcFileName_tmp = srcFileName.replace(".pbf", "_tmp.pbf")
shutil.copy2(srcFileName, srcFileName_tmp)

with gzip.open(srcFileName_tmp,'rb') as fIn :
with open(srcFileName,'wb') as fOut :
shutil.copyfileobj(fIn,fOut)
logger.info("uncompressed file {0}".format(srcFileName))
# remove the temp file
os.remove(srcFileName_tmp)
else :
logger.info("found some other file {0}".format(srcFileName))