Re: [tilestache] Error with json and simplejson libraries

[Michal Migurski]

What does your JSON file look like?

-mike.

On May 16, 2013, at 1:58 PM, Max Demars wrote:

> Hi,
>
> Im still trying to get familiar with TileStache so I do some tests with a Spatialite DB on a windows 7 64 bit with python 2.7. So far, nothing is working because of an error with json and simplejson libraries.
>
> I got an error: "Unable to find vcvarsall.bat" during the install of tilestache but the library have been installed anyway.
> I got also a warning during the installation of simplejson: "The C extension could not be compiled, speedups are not enableds. Plain-python installation succeeded.'
>
> Now when I launch tilestache-server.py with the default tilestache.cfg i got this error related to json python library.
>
> Error loading Tilestache config:
> Traceback (most recent call last):
> File "C:\Python27\Scripts\tilestache-server.py", line 55, in <module>
> app = TileStache.WSGITileServer(config=options.file, autoreload=True)
> File "C:\Python27\lib\site-packages\TileStache\__init__.py", line 302, in __in
> it__
> self.config = parseConfigfile(config)
> File "C:\Python27\lib\site-packages\TileStache\__init__.py", line 77, in parse
> Configfile
> config_dict = json_load(urlopen(configpath))
> File "C:\Python27\lib\json\__init__.py", line 278, in load
> **kw)
> File "C:\Python27\lib\json\__init__.py", line 326, in loads
> return _default_decoder.decode(s)
> File "C:\Python27\lib\json\decoder.py", line 366, in decode
> obj, end = self.raw_decode(s, idx=_w(s, 0).end())
> File "C:\Python27\lib\json\decoder.py", line 384, in raw_decode
> raise ValueError("No JSON object could be decoded")
> ValueError: No JSON object could be decoded
>
> Is it related to the errors I got during the installation?
>
> Thanks for advices
>
> Max Demars
>
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----------------------------------------------------------------
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[Max Demars]

This is the config:

{
  "cache":
  {
      "name": "Test"
  },
 
  "layers":
  {
    "roads":
    {
      "provider":
      {
        "name": "proxy",
        "url": "http://tile.openstreetmap.org/{Z}/{X}/{Y}.png"
      }
    }
  }
}