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Fix file like objects without seek support not being readable (without allow_copy) #96

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Merged
merged 1 commit into from
May 9, 2017
Merged

Fix file like objects without seek support not being readable (without allow_copy) #96

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19 changes: 16 additions & 3 deletions shapefile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
import array
import tempfile
import itertools
import io
from datetime import date

#
Expand Down Expand Up @@ -238,23 +239,35 @@ def __init__(self, *args, **kwargs):
if "shp" in kwargs.keys():
if hasattr(kwargs["shp"], "read"):
self.shp = kwargs["shp"]
if hasattr(self.shp, "seek"):
# Copy if required
try:
self.shp.seek(0)
except (NameError, io.UnsupportedOperation):
self.shp = io.BytesIO(self.shp.read())
if "shx" in kwargs.keys():
if hasattr(kwargs["shx"], "read"):
self.shx = kwargs["shx"]
if hasattr(self.shx, "seek"):
# Copy if required
try:
self.shx.seek(0)
except (NameError, io.UnsupportedOperation):
self.shx = io.BytesIO(self.shx.read())
if "dbf" in kwargs.keys():
if hasattr(kwargs["dbf"], "read"):
self.dbf = kwargs["dbf"]
if hasattr(self.dbf, "seek"):
# Copy if required
try:
self.dbf.seek(0)
except (NameError, io.UnsupportedOperation):
self.dbf = io.BytesIO(self.dbf.read())
if self.shp or self.dbf:
self.load()
else:
raise ShapefileException("Shapefile Reader requires a shapefile or file-like object.")




def load(self, shapefile=None):
"""Opens a shapefile from a filename or file-like
object. Normally this method would be called by the
Expand Down