travis: big cleanup, make it work on OS-X

Travis defaults to giving us an OS-X 10.9 box, which has an OpenSSL that
is too old for the current cryptography-1.4 (note that a previous
version of this branch worked, but only because the previous
cryptography-1.3.x didn't enforce the OpenSSL version).

On OS-X, this new .travis.yml does the following:

* set "osx_image: xcode7" to get us 10.10, with newer OpenSSL
* uses system python, not homebrew
* installs pip with get-pip.py, since system python doesn't have it
* adds the --user directory to $PATH, since OS-X python doesn't have it
  by default

On both linux and OS-X, this:

* installs tox and coveralls with --user, not to the system
* doesn't use sudo to run tox
* prints some extra debug info in case it's useful later

Closes #285

In [5bf7fab/trunk](/tahoe-lafs/trac-2024-07-25/commit/5bf7fab99d5bd23f57feca48cdf2628fbb48ce79): ``` travis: big cleanup, make it work on OS-X Travis defaults to giving us an OS-X 10.9 box, which has an OpenSSL that is too old for the current cryptography-1.4 (note that a previous version of this branch worked, but only because the previous cryptography-1.3.x didn't enforce the OpenSSL version). On OS-X, this new .travis.yml does the following: * set "osx_image: xcode7" to get us 10.10, with newer OpenSSL * uses system python, not homebrew * installs pip with get-pip.py, since system python doesn't have it * adds the --user directory to $PATH, since OS-X python doesn't have it by default On both linux and OS-X, this: * installs tox and coveralls with --user, not to the system * doesn't use sudo to run tox * prints some extra debug info in case it's useful later Closes #285 ```

warner commented

2016-07-06 15:48:34 +00:00

Author

Owner

oops, ignore that comment: the github PR-closing instruction got accidentally interpreted as a trac-ticket-closing instruction.