Hi Tom,
I tried your script and simply changed the mapfile to use the one in
mapserver/tests/
I got a valid response from the following URL:
http://127.0.0.1:8001/?service=wms&request=GetMap&layers=Testing&version=1.1.1&format=image/png&srs=EPSG:4326&BBOX=-180,-90,180,90&WIDTH=600&HEIGHT=300
What are you using?
Julien
On 16-07-15 02:05 PM, Kralidis, Tom (EC) wrote:
Thanks Julien and Stephan: I've updated my example in [1], however I get
the following traceback when issuing a WMS 1.1.1 GetMap request:
Traceback (most recent call last):
File "/usr/lib/python2.7/wsgiref/handlers.py", line 85, in run
self.result = application(self.environ, self.start_response)
File "mapscript-wsgi.py", line 40, in application
start_response('200 OK', [('Content-type', content_type)])
File "/usr/lib/python2.7/wsgiref/handlers.py", line 180, in start_response
assert type(val) is StringType,"Header values must be strings"
AssertionError: Header values must be string
Any idea?
..Tom
[1] https://gist.github.com/tomkralidis/9adbd4864c03647aa7eb4f96a3c33297
-----Original Message-----
From: mapserver-users [mailto:mapserver-users-boun...@lists.osgeo.org]
On Behalf Of Stephan Meißl
Sent: 14 July 2016 11:57
To: mapserver-users@lists.osgeo.org
Subject: Re: [mapserver-users] Python MapScript via WSGI examples
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Hi Tom,
adding to Julien's response you could also replace
`request.loadParams()` with
`request.loadParamsFromURL(env['QUERY_STRING'])`.
As Julien said, key is that the environment variables are not set
automatically.
cu
Stephan
On 07/14/2016 05:19 PM, Julien-Samuel Lacroix wrote:
Hi Tom,
When I run your script, I get the following response:
This script can only be used to decode form results and
should be initiated as a CGI process via a httpd server.
This answer does not contain any content-type that can be stripped wit
h
msIO_getStdoutBufferBytes(). That's why it returns None.
Before your OWSRequest call, you need to set the Environment variable
that MapServer needs. Otherwise they are passed in the env variable an
d
not to MapServer. Code to add:
# List of all environment variable used by MapServer
mapserv_env = [
'CONTENT_LENGTH', 'CONTENT_TYPE', 'CURL_CA_BUNDLE',
'HTTP_COOKIE',
'HTTP_HOST', 'HTTPS', 'HTTP_X_FORWARDED_HOST',
'HTTP_X_FORWARDED_PORT
',
'HTTP_X_FORWARDED_PROTO', 'MS_DEBUGLEVEL',
'MS_ENCRYPTION_KEY',
'MS_ERRORFILE', 'MS_MAPFILE', 'MS_MAPFILE_PATTERN',
'MS_MAP_NO_PATH',
'MS_MAP_PATTERN', 'MS_MODE', 'MS_OPENLAYERS_JS_URL',
'MS_TEMPPATH',
'MS_XMLMAPFILE_XSLT', 'PROJ_LIB', 'QUERY_STRING', 'REMOTE_ADDR',
'REQUEST_METHOD', 'SCRIPT_NAME', 'SERVER_NAME', 'SERVER_PORT'
]
for key in mapserv_env:
if key in env:
os.environ[key] = env[key]
else:
os.unsetenv(key)
request = mapscript.OWSRequest()
Best regards,
Julien
On 16-07-13 12:55 PM, Kralidis, Tom (EC) wrote:
Hi all: we are looking into updating our Python MapScript (CGI-based)
wrappers
to leverage WSGI, and are having integration issues as part of testin
g.
We are using 6.4.2 on Ubuntu 14.04. See example in [1] (against
any mapfile is fine). Simple run with python ./mapscript-wsgi.py
which makes
the server available on localhost:8000 by default.
Issues:
- the value in
https://gist.github.com/tomkralidis/9adbd4864c03647aa7eb4f96a3c33297#
file-mapscript-wsgi-py-L18
ends up being a Python None type for some reason when it should be a
string of the content-type
- issuing a, say, WMS 1.3.0 GetCapabilities request yields the
venerable MapServer "This script can ...." default message, when I am
expecting Capabilities XML
Any ideas what I'm doing wrong here?
..Tom
[1] https://gist.github.com/tomkralidis/9adbd4864c03647aa7eb4f96a3c33
297
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Julien-Samuel Lacroix
T: +1 418-696-5056 #202
Mapgears
http://www.mapgears.com/
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