geospatialpython/zipshape.py at master · GeospatialPython/geospatialpython · GitHub

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"""

Example of saving a shapefile to a file-like

object using a zip file as the target. Uses

the individual save methods for each type

of file instead of the general pyshp

save method.

"""

import zipfile

import StringIO

import shapefile

# Set up buffers for saving

shp = StringIO.StringIO()

shx = StringIO.StringIO()

dbf = StringIO.StringIO()

# Make a point shapefile

w = shapefile.Writer(shapefile.POINT)

w.point(90.3, 30)

w.point(92, 40)

w.point(-122.4, 30)

w.point(-90, 35.1)

w.field('FIRST_FLD')

w.field('SECOND_FLD','C','40')

w.record('First','Point')

w.record('Second','Point')

w.record('Third','Point')

w.record('Fourth','Point')

# Save shapefile components to buffers

w.saveShp(shp)

w.saveShx(shx)

w.saveDbf(dbf)

# Save shapefile buffers to zip file

# Note: zlib must be available for

# ZIP_DEFLATED to compress. Otherwise

# just use ZIP_STORED.

z = zipfile.ZipFile("myshape.zip", "w", zipfile.ZIP_DEFLATED)

z.writestr("myshape.shp", shp.getvalue())

z.writestr("myshape.shx", shx.getvalue())

z.writestr("myshape.dbf", dbf.getvalue())

z.close()

geospatialpython/zipshape.py at master · GeospatialPython/geospatialpython · GitHub

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