Automatically mint DOIs for new releases

Via Zenodo integration with Github releases

CITATION

@@ -1,5 +1,6 @@
 Please use one of the following samples to cite the hypothesis version
 (change x.y to the version you are using) from this installation.
+You may wish to include the DOI, https://doi.org/10.5281/zenodo.1412597
 
 Text:
 

hypothesis-python/RELEASE.rst

@@ -0,0 +1,8 @@
+RELEASE_TYPE: patch
+
+This is a no-op release, which implements automatic DOI minting and code
+archival of Hypothesis via `Zenodo <https://zenodo.org/>`_. Thanks to
+CERN and the EU *Horizon 2020* programme for providing this service!
+
+Check our :gh-file:`CITATION` file for details, or head right on over to
+`doi.org/10.5281/zenodo.1412597 <https://doi.org/10.5281/zenodo.1412597>`_

requirements/tools.in

@@ -15,6 +15,7 @@ pyformat
 pytest
 python-dateutil
 pyupio
+requests
 restructuredtext-lint
 sphinx
 sphinx-rtd-theme

requirements/tools.txt

@@ -67,7 +67,7 @@ pytz==2018.5              # via babel, django
 pyupio==1.0.2
 pyyaml==3.13              # via bandit, dparse, pyupio
 requests-toolbelt==0.8.0  # via twine
-requests==2.19.1          # via pygithub, python-gitlab, pyupio, requests-toolbelt, safety, sphinx, twine
+requests==2.19.1
 restructuredtext-lint==1.1.3
 safety==1.8.4             # via pyupio
 simplegeneric==0.8.1      # via ipython

tooling/src/hypothesistooling/projects/hypothesispython.py

@@ -23,6 +23,8 @@
 import shutil
 import subprocess
 
+import requests
+
 import hypothesistooling as tools
 import hypothesistooling.releasemanagement as rm
 
@@ -146,6 +148,21 @@ def upload_distribution():
         '--config-file', tools.PYPIRC,
         os.path.join(DIST, '*'),
     ])
+    # Create a GitHub release, to trigger Zenodo DOI minting.  See
+    # https://developer.github.com/v3/repos/releases/#create-a-release
+    requests.post(
+        'https://api.github.com/repos/HypothesisWorks/hypothesis/releases',
+        json=dict(
+            tag_name=tag_name(),
+            name='Hypothesis for Python - version ' + current_version(),
+            body=('You can [read the changelog for this release here]('
+                  'https://hypothesis.readthedocs.io/en/latest/changes.html#v'
+                  '%s).' % (current_version().replace('.', '-'),)),
+        ),
+        timeout=120,  # seconds
+        # Scoped personal access token, stored in Travis environ variable
+        auth=('Zac-HD', os.environ['Zac-release-token']),
+    ).raise_for_status()
 
 
 def current_version():