[Tilecache] pink tiles

[Sylvain Pasche]

Hi,

I hit the "pink tiles" issue recently on a project. I'm using tilecache
revision 139 with mod_python.

Here's the exception I received from the server:

An error occurred: [Errno 17] File exists:
'/tmp/tilecache/teleatlas/04/000/000/432'
  File "/var/lib/python-support/python2.4/TileCache/Service.py", line
459, in modPythonHandler
    host )
  File "/var/lib/python-support/python2.4/TileCache/Service.py", line
443, in dispatchRequest
    return self.renderTile(tile, params.has_key('FORCE'))
  File "/var/lib/python-support/python2.4/TileCache/Service.py", line
402, in renderTile
    if (data): image = self.cache.set(tile, data)
  File "/var/lib/python-support/python2.4/TileCache/Cache.py", line 132,
in set
    os.makedirs(dirname)
  File "os.py", line 156, in makedirs
    makedirs(head, mode)
  File "os.py", line 156, in makedirs
    makedirs(head, mode)
  File "os.py", line 159, in makedirs
    mkdir(name, mode)


I used the attached patch to work around the issue (simply ignores the
mkdir exception in case of error). Maybe there's a better way to solve this.


Regards,
Sylvain

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