#27960: ds = DataSource('/path/to/your/cities.shp') fails on first try
(GDALException Unknown error code: "198770787"), but works on second
-------------------------------------+-------------------------------------
Reporter: Etiënne | Owner: nobody
Thomassen |
Type: Bug | Status: new
Component: GIS | Version: 1.10
Severity: Normal | Keywords: DataSource, GIS
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
I can not create a DataSource from a gpx file. It returns GDALException
Unknown error code: "198770787" with the error code number seemingly
random. However on the second try it works. And it does not even need to
be the same file.
{{{
Python 3.6.0 (default, Dec 24 2016, 08:01:42)
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.42.1)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from django.contrib.gis.gdal import DataSource
>>> ds = DataSource('Bleswerk dec16.gpx')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/etienne/.virtualenvs/bosbot3/lib/python3.6/site-
packages/django/contrib/gis/gdal/datasource.py", line 64, in __init__
Driver.ensure_registered()
File "/Users/etienne/.virtualenvs/bosbot3/lib/python3.6/site-
packages/django/contrib/gis/gdal/driver.py", line 83, in ensure_registered
rcapi.register_all()
File "/Users/etienne/.virtualenvs/bosbot3/lib/python3.6/site-
packages/django/contrib/gis/gdal/prototypes/errcheck.py", line 119, in
check_errcode
check_err(result, cpl=cpl)
File "/Users/etienne/.virtualenvs/bosbot3/lib/python3.6/site-
packages/django/contrib/gis/gdal/error.py", line 74, in check_err
raise GDALException('Unknown error code: "%s"' % code)
django.contrib.gis.gdal.error.GDALException: Unknown error code:
"-1935278031"
>>> ds = DataSource('20140525_170950_gpx.gpx')
>>> ds.layer_count
5
}}}
This post on StackOverflow pointed me in this direction:
http://stackoverflow.com/questions/41775536/datasource-gdalexception-
unknown-error-code-474873798
Strangely, I can now get it to work doing this in my app:
{{{
try:
datasource = DataSource(target_path)
except:
datasource = DataSource(target_path)
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/27960>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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