Dev proxy cache

[hjanetzek]

Just a super simple tile cache for development for offline work and (at least for me) much faster load time for the initial view

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[matteblair]

Nice! This will come in handy when I'm on bus trips too.

Can't quite get it to work on OS X though. I started the python server and then ran tangram with my source url set to http://localhost:8000/vector.mapzen.com/osm/all/{z}/{x}/{y}.mvt and tiles were loading, but nothing was written in the .tiles folder.

I would test on Ubuntu but the latest OS X update removed my GRUB config :\

[tallytalwar]

Good to know about GRUB config. Will update cautiously or do some hacking
around before I upgrade to El Capitan..
On Nov 6, 2015 5:33 PM, "Matt Blair" [email protected] wrote:

Nice! This will come in handy when I'm on bus trips too.

Can't quite get it to work on OS X though. I started the python server and
then ran tangram with my source url set to
http://localhost:8000/vector.mapzen.com/osm/all/{z}/{x}/{y}.mvt and tiles
were loading, but nothing was written in the .tiles folder.

I would test on Ubuntu but the latest OS X update removed my GRUB config :\

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[hjanetzek]

Not sure what may be go wrong there. My python is a bit rusty though. Could you try again with the updates?

[matteblair]

I think the problem here is that the NSURL library we use on OS X now (as of 10.11) blocks cleartext HTTP loading unless you make a security exception for it - and the proxy server doesn't seem to work with HTTPS. I'll see if there's an easy fix, if not I'll just merge this as-is.

[matteblair]

I think the only way to make this work on OS X is to add

<key>NSAppTransportSecurity</key>
<dict>
    <key>NSAllowsArbitraryLoads</key>
    <true/>
</dict>

To our Info.plist. As documented here, this key is really only intended for debugging purposes. There isn't much harm in enabling this on our desktop demo app since it's not a real end-product, though it may end up masking networking issues that we'll encounter when running on iOS (without this flag).