Abandon Travis CI We have no credits, and its a PITA to maintain two CI platforms. The tests running on Travis provide very little extra coverage vs Azure Pipelines alone

(cherry picked from commit 042e466)

Author: moreati

.ci/README.md

@@ -1,8 +1,8 @@
 
 # `.ci`
 
-This directory contains scripts for Travis CI and (more or less) Azure
-Pipelines, but they will also happily run on any Debian-like machine.
+This directory contains scripts for Continuous Integration platforms. Currently
+Azure Pipelines, but they will also happily run on any Debian-like machine.
 
 The scripts are usually split into `_install` and `_test` steps. The `_install`
 step will damage your machine, the `_test` step will just run the tests the way

.ci/ci_lib.py

@@ -60,24 +60,6 @@ def have_docker():
 # Force line buffering on stdout.
 sys.stdout = os.fdopen(1, 'w', 1)
 
-# Force stdout FD 1 to be a pipe, so tools like pip don't spam progress bars.
-if 'TRAVIS_HOME' in os.environ:
-    proc = subprocess.Popen(
-        args=['stdbuf', '-oL', 'cat'],
-        stdin=subprocess.PIPE
-    )
-
-    os.dup2(proc.stdin.fileno(), 1)
-    os.dup2(proc.stdin.fileno(), 2)
-
-    def cleanup_travis_junk(stdout=sys.stdout, stderr=sys.stderr, proc=proc):
-        stdout.close()
-        stderr.close()
-        proc.terminate()
-
-    atexit.register(cleanup_travis_junk)
-
-# -----------------
 
 def _argv(s, *args):
     """Interpolate a command line using *args, return an argv style list.
@@ -202,27 +184,9 @@ def destroy(self, rmtree=shutil.rmtree):
 
 
 class Fold(object):
-    """
-    Bracket a section of stdout with travis_fold markers.
-
-    This allows the section to be collapsed or expanded in Travis CI web UI.
-
-    >>> with Fold('stage 1'):
-    ...     print('Frobnicate the frobnitz')
-    ...
-    travis_fold:start:stage 1
-    Frobnicate the frobnitz
-    travis_fold:end:stage 1
-    """
-    def __init__(self, name):
-        self.name = name
-
-    def __enter__(self):
-        print('travis_fold:start:%s' % (self.name))
-
-    def __exit__(self, _1, _2, _3):
-        print('')
-        print('travis_fold:end:%s' % (self.name))
+    def __init__(self, name): pass
+    def __enter__(self): pass
+    def __exit__(self, _1, _2, _3): pass
 
 
 os.environ.setdefault('ANSIBLE_STRATEGY',

.travis.yml

@@ -1,12 +1,9 @@
 # Mitogen
 
-<!-- [![Build Status](https://travis-ci.org/dw/mitogen.png?branch=master)](https://travis-ci.org/dw/mitogen}) -->
 <a href="https://mitogen.networkgenomics.com/">Please see the documentation</a>.
 
 ![](https://i.imgur.com/eBM6LhJ.gif)
 
 [![Total alerts](https://img.shields.io/lgtm/alerts/g/mitogen-hq/mitogen.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/mitogen-hq/mitogen/alerts/)
 
-[![Build Status](https://api.travis-ci.com/mitogen-hq/mitogen.svg?branch=master)](https://api.travis-ci.com/mitogen-hq/mitogen)
-
-[![Pipelines Status](https://dev.azure.com/mitogen-hq/mitogen/_apis/build/status/mitogen-hq.mitogen?branchName=master)](https://dev.azure.com/mitogen-hq/mitogen/_build/latest?definitionId=1&branchName=master)
+[![Build Status](https://dev.azure.com/mitogen-hq/mitogen/_apis/build/status/mitogen-hq.mitogen?branchName=master)](https://dev.azure.com/mitogen-hq/mitogen/_build/latest?definitionId=1&branchName=master)

README.md

@@ -7,7 +7,7 @@ started in September 2017. Pull requests in this area are very welcome!
 
 ## Running The Tests
 
-[![Build Status](https://api.travis-ci.org/dw/mitogen.svg?branch=master)](https://travis-ci.org/dw/mitogen)
+[![Build Status](https://dev.azure.com/mitogen-hq/mitogen/_apis/build/status/mitogen-hq.mitogen?branchName=master)](https://dev.azure.com/mitogen-hq/mitogen/_build/latest?definitionId=1&branchName=master)
 
 Your computer should have an Internet connection, and the ``docker`` command
 line tool should be able to connect to a working Docker daemon (localhost or