FAQ
Hi

I am working with a project started by somebody else.It uses GIS. I have
installed GDAL and OpenGeo4W, plus the C++ runtime.

I have the following included in the path

    - C:\Python27\;C:\Python27\Scripts;C:\Python27\Tools\Scripts\;C:\Python27\lib\site-packages;C:\gdalwin32-1.6\bin;C:\usr\bin;C:\Program
    Files\GDAL;C:\ms4w\Apache\cgi-bin;C:\OSGeo4W\bin;


and the following environment variables are set

    - GDAL_DATA = %OSGEO4W_ROOT%\share\gdal
    - GDAL_DRIVER_PATH = C:\Program Files\GDAL\gdalplugins
    - GEOS_LIBRARY_PATH=C:\OSGeo4W\lib
    - OSGEO4W_ROOT=C:\OSGeo4w
    - PROJ_LIB=%OSGEO4W_ROOT%\share\proj
    - PYTHON_ROOT=C:\Python27


Originally this development started on a linux box, I am using Vista SP2.

My database is PostgreSQL 9.3, I have installed the PostGIS options and set
up a normal and a GIS database.

When I start runserver through Pycharm, I get the errors at the bottom of
this post.

It appears, and I might be wrong as I'm not mega experienced with this,
that django/python can't find kernell32. This is used by the C library.

Here is what I have found from thr debugger
self = unable to get repr for class <class 'ctypes.WinDLL'
handle=None
mode=0
name='kernel32'
Funcptr = <class 'ctypes.WinDLL'>

Can somebody please point me in the correct direction, I'm banging my head

Thanks

Robin


*GEODJANGOGeos, TRACEBACK*

"C:\Program Files\JetBrains\PyCharm 3.0.1\bin\runnerw.exe"
C:\Python27\python.exe "C:\Program Files\JetBrains\PyCharm
3.0.1\helpers\pycharm\django_manage.py" runserver 8888 "C:/Users/Robin
St.Clair/Desktop/CheckBuild"

Validating models...

Unhandled exception in thread started by <bound method Command.inner_run of
<django.contrib.staticfiles.management.commands.runserver.Command object at
0x02E17EB0>>

Traceback (most recent call last):

   File
"C:\Python27\lib\site-packages\django\core\management\commands\runserver.py",
line 92, in inner_run self.validate(display_num_errors=True)

   File "C:\Python27\lib\site-packages\django\core\management\base.py", line
280, in validate num_errors = get_validation_errors(s, app)

   File
"C:\Python27\lib\site-packages\django\core\management\validation.py", line
35, in get_validation_errors for (app_name, error) in
get_app_errors().items():

   File "C:\Python27\lib\site-packages\django\db\models\loading.py", line
166, in get_app_errors self._populate()

   File "C:\Python27\lib\site-packages\django\db\models\loading.py", line
72, in _populate self.load_app(app_name, True)

   File "C:\Python27\lib\site-packages\django\db\models\loading.py", line
96, in load_app models = import_module('.models', app_name)

   File "C:\Python27\lib\site-packages\django\utils\importlib.py", line 35,
in import_module __import__(name)

   File "C:\Python27\lib\site-packages\mptt\models.py", line 14, in <module>
from mptt.fields import TreeForeignKey, TreeOneToOneField,
TreeManyToManyField

   File "C:\Python27\lib\site-packages\mptt\fields.py", line 42, in <module>
from south.modelsinspector import add_introspection_rules

   File
"C:\Python27\lib\site-packages\south-0.8.2-py2.7.egg\south\modelsinspector.py",
line 463, in <module> import south.introspection_plugins

   File
"C:\Python27\lib\site-packages\south-0.8.2-py2.7.egg\south\introspection_plugins\__init__.py",
line 5, in <module> import south.introspection_plugins.geodjango

   File
"C:\Python27\lib\site-packages\south-0.8.2-py2.7.egg\south\introspection_plugins\geodjango.py",
line 14, in <module> from django.contrib.gis.db.models.fields import
GeometryField

   File
"C:\Python27\lib\site-packages\django\contrib\gis\db\models\__init__.py",
line 5, in <module> from django.contrib.gis.db.models.aggregates import *

   File
"C:\Python27\lib\site-packages\django\contrib\gis\db\models\aggregates.py",
line 2, in <module> from django.contrib.gis.db.models.sql import GeomField

   File
"C:\Python27\lib\site-packages\django\contrib\gis\db\models\sql\__init__.py",
line 2, in <module> from django.contrib.gis.db.models.sql.query import
GeoQuery

   File
"C:\Python27\lib\site-packages\django\contrib\gis\db\models\sql\query.py",
line 4, in <module> from django.contrib.gis.db.models.fields import
GeometryField

   File
"C:\Python27\lib\site-packages\django\contrib\gis\db\models\fields.py",
line 4, in <module> from django.contrib.gis import forms

   File
"C:\Python27\lib\site-packages\django\contrib\gis\forms\__init__.py", line
2, in <module> from django.contrib.gis.forms.fields import GeometryField

   File "C:\Python27\lib\site-packages\django\contrib\gis\forms\fields.py",
line 8, in <module> from django.contrib.gis.geos import GEOSException,
GEOSGeometry

   File "C:\Python27\lib\site-packages\django\contrib\gis\geos\__init__.py",
line 6, in <module> from django.contrib.gis.geos.geometry import
GEOSGeometry, wkt_regex, hex_regex

   File "C:\Python27\lib\site-packages\django\contrib\gis\geos\geometry.py",
line 16, in <module> from django.contrib.gis.geos.coordseq import
GEOSCoordSeq

   File "C:\Python27\lib\site-packages\django\contrib\gis\geos\coordseq.py",
line 9, in <module> from django.contrib.gis.geos.libgeos import CS_PTR

   File "C:\Python27\lib\site-packages\django\contrib\gis\geos\libgeos.py",
line 58, in <module> lgeos = CDLL(lib_path)

   File "C:\Python27\lib\ctypes\__init__.py", line 365, in __init__
self._handle = _dlopen(self._name, mode)

WindowsError: [Error 126] The specified module could not be found





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Search Discussions

  • Sam Lai at Oct 25, 2013 at 11:40 pm
    Can you try running 'python.exe manage.py runserver' outside of
    PyCharm, i.e. in the Command Prompt/PowerShell?

    I've got a similar setup, although on Windows 7, and it works. Instead
    of setting environment variables, I added the following parameters
    into my settings.py to indicate the location of the GEOS DLLs -

    GEOS_LIBRARY_PATH = os.sep.join((PROJECT_PATH, '..', 'Scripts', 'geos_c.dll'))
    GDAL_LIBRARY_PATH = os.sep.join((PROJECT_PATH, '..', 'Scripts', 'gdal110.dll'))

    Find those two files on your system (I didn't install GDAL or OSGeo4W
    so I can't tell you where) and set the above parameters in settings.py
    and see how you go.
    On 26 October 2013 00:40, Robin St.Clair wrote:
    Hi

    I am working with a project started by somebody else.It uses GIS. I have
    installed GDAL and OpenGeo4W, plus the C++ runtime.

    I have the following included in the path

    C:\Python27\;C:\Python27\Scripts;C:\Python27\Tools\Scripts\;C:\Python27\lib\site-packages;C:\gdalwin32-1.6\bin;C:\usr\bin;C:\Program
    Files\GDAL;C:\ms4w\Apache\cgi-bin;C:\OSGeo4W\bin;


    and the following environment variables are set

    GDAL_DATA = %OSGEO4W_ROOT%\share\gdal
    GDAL_DRIVER_PATH = C:\Program Files\GDAL\gdalplugins
    GEOS_LIBRARY_PATH=C:\OSGeo4W\lib
    OSGEO4W_ROOT=C:\OSGeo4w
    PROJ_LIB=%OSGEO4W_ROOT%\share\proj
    PYTHON_ROOT=C:\Python27


    Originally this development started on a linux box, I am using Vista SP2.

    My database is PostgreSQL 9.3, I have installed the PostGIS options and set
    up a normal and a GIS database.

    When I start runserver through Pycharm, I get the errors at the bottom of
    this post.

    It appears, and I might be wrong as I'm not mega experienced with this, that
    django/python can't find kernell32. This is used by the C library.

    Here is what I have found from thr debugger
    self = unable to get repr for class <class 'ctypes.WinDLL'
    handle=None
    mode=0
    name='kernel32'
    Funcptr = <class 'ctypes.WinDLL'>

    Can somebody please point me in the correct direction, I'm banging my head

    Thanks

    Robin


    GEODJANGOGeos, TRACEBACK

    "C:\Program Files\JetBrains\PyCharm 3.0.1\bin\runnerw.exe"
    C:\Python27\python.exe "C:\Program Files\JetBrains\PyCharm
    3.0.1\helpers\pycharm\django_manage.py" runserver 8888 "C:/Users/Robin
    St.Clair/Desktop/CheckBuild"

    Validating models...

    Unhandled exception in thread started by <bound method Command.inner_run of
    <django.contrib.staticfiles.management.commands.runserver.Command object at
    0x02E17EB0>>

    Traceback (most recent call last):

    File
    "C:\Python27\lib\site-packages\django\core\management\commands\runserver.py",
    line 92, in inner_run self.validate(display_num_errors=True)

    File "C:\Python27\lib\site-packages\django\core\management\base.py", line
    280, in validate num_errors = get_validation_errors(s, app)

    File "C:\Python27\lib\site-packages\django\core\management\validation.py",
    line 35, in get_validation_errors for (app_name, error) in
    get_app_errors().items():

    File "C:\Python27\lib\site-packages\django\db\models\loading.py", line
    166, in get_app_errors self._populate()

    File "C:\Python27\lib\site-packages\django\db\models\loading.py", line 72,
    in _populate self.load_app(app_name, True)

    File "C:\Python27\lib\site-packages\django\db\models\loading.py", line 96,
    in load_app models = import_module('.models', app_name)

    File "C:\Python27\lib\site-packages\django\utils\importlib.py", line 35,
    in import_module __import__(name)

    File "C:\Python27\lib\site-packages\mptt\models.py", line 14, in <module>
    from mptt.fields import TreeForeignKey, TreeOneToOneField,
    TreeManyToManyField

    File "C:\Python27\lib\site-packages\mptt\fields.py", line 42, in <module>
    from south.modelsinspector import add_introspection_rules

    File
    "C:\Python27\lib\site-packages\south-0.8.2-py2.7.egg\south\modelsinspector.py",
    line 463, in <module> import south.introspection_plugins

    File
    "C:\Python27\lib\site-packages\south-0.8.2-py2.7.egg\south\introspection_plugins\__init__.py",
    line 5, in <module> import south.introspection_plugins.geodjango

    File
    "C:\Python27\lib\site-packages\south-0.8.2-py2.7.egg\south\introspection_plugins\geodjango.py",
    line 14, in <module> from django.contrib.gis.db.models.fields import
    GeometryField

    File
    "C:\Python27\lib\site-packages\django\contrib\gis\db\models\__init__.py",
    line 5, in <module> from django.contrib.gis.db.models.aggregates import *

    File
    "C:\Python27\lib\site-packages\django\contrib\gis\db\models\aggregates.py",
    line 2, in <module> from django.contrib.gis.db.models.sql import GeomField

    File
    "C:\Python27\lib\site-packages\django\contrib\gis\db\models\sql\__init__.py",
    line 2, in <module> from django.contrib.gis.db.models.sql.query import
    GeoQuery

    File
    "C:\Python27\lib\site-packages\django\contrib\gis\db\models\sql\query.py",
    line 4, in <module> from django.contrib.gis.db.models.fields import
    GeometryField

    File
    "C:\Python27\lib\site-packages\django\contrib\gis\db\models\fields.py", line
    4, in <module> from django.contrib.gis import forms

    File "C:\Python27\lib\site-packages\django\contrib\gis\forms\__init__.py",
    line 2, in <module> from django.contrib.gis.forms.fields import
    GeometryField

    File "C:\Python27\lib\site-packages\django\contrib\gis\forms\fields.py",
    line 8, in <module> from django.contrib.gis.geos import GEOSException,
    GEOSGeometry

    File "C:\Python27\lib\site-packages\django\contrib\gis\geos\__init__.py",
    line 6, in <module> from django.contrib.gis.geos.geometry import
    GEOSGeometry, wkt_regex, hex_regex

    File "C:\Python27\lib\site-packages\django\contrib\gis\geos\geometry.py",
    line 16, in <module> from django.contrib.gis.geos.coordseq import
    GEOSCoordSeq

    File "C:\Python27\lib\site-packages\django\contrib\gis\geos\coordseq.py",
    line 9, in <module> from django.contrib.gis.geos.libgeos import CS_PTR

    File "C:\Python27\lib\site-packages\django\contrib\gis\geos\libgeos.py",
    line 58, in <module> lgeos = CDLL(lib_path)

    File "C:\Python27\lib\ctypes\__init__.py", line 365, in __init__
    self._handle = _dlopen(self._name, mode)

    WindowsError: [Error 126] The specified module could not be found






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groupdjango-users @
categoriesdjango, python
postedOct 25, '13 at 1:42p
activeOct 25, '13 at 11:40p
posts2
users2
websitedjangoproject.com

2 users in discussion

Sam Lai: 1 post Robin St.Clair: 1 post

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