From 0bf3fa458deffe1306f226a7257ceda927ca9e8e Mon Sep 17 00:00:00 2001
From: Jeff Forcier <jeff@bitprophet.org>
Date: Tue, 29 May 2018 14:35:32 -0700
Subject: Modernize travis/dev-reqs/etc re: blackening

---
 .travis.yml          |  5 ++++-
 dev-requirements.txt |  4 ++--
 setup.cfg            |  2 +-
 tasks.py             | 13 ++++++++++++-
 4 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 4316bd9f..16d33b76 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,10 @@ install:
   - pip install codecov # For codecov specifically
   - pip install -r dev-requirements.txt
 script:
-  # flake8 is now possible!
+  # Fast syntax check failures for more rapid feedback to submitters
+  # (Travis-oriented metatask that version checks Python, installs, runs.)
+  - inv travis.blacken
+  # I have this in my git pre-push hook, but contributors probably don't
   - flake8
   # All (including slow) tests, w/ coverage!
   - inv coverage
diff --git a/dev-requirements.txt b/dev-requirements.txt
index d41972b9..e4629187 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
 # Invocations for common project tasks
-invoke>=0.13,<2.0
-invocations>=1.0,<2.0
+invoke>=1.0,<2.0
+invocations>=1.2.0,<2.0
 # NOTE: pytest-relaxed currently only works with pytest >=3, <3.3
 pytest>=3.2,<3.3
 pytest-relaxed==1.1.2
diff --git a/setup.cfg b/setup.cfg
index a24844d0..2d673ea4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -9,7 +9,7 @@ omit = paramiko/_winapi.py
 
 [flake8]
 exclude = sites,.git,build,dist,demos,tests
-ignore = E124,E125,E128,E261,E301,E302,E303,E402,E721
+ignore = E124,E125,E128,E261,E301,E302,E303,E402,E721,W503
 max-line-length = 79
 
 [tool:pytest]
diff --git a/tasks.py b/tasks.py
index 6cf20377..d4cd414b 100644
--- a/tasks.py
+++ b/tasks.py
@@ -3,6 +3,8 @@ from os.path import join
 from shutil import rmtree, copytree
 
 from invoke import Collection, task
+from invocations import travis
+from invocations.checks import blacken
 from invocations.docs import docs, www, sites
 from invocations.packaging.release import ns as release_coll, publish
 from invocations.testing import count_errors
@@ -121,7 +123,16 @@ def release(ctx, sdist=True, wheel=True, sign=True, dry_run=False, index=None):
 release_coll.tasks["publish"] = release
 
 ns = Collection(
-    test, coverage, guard, release_coll, docs, www, sites, count_errors
+    test,
+    coverage,
+    guard,
+    release_coll,
+    docs,
+    www,
+    sites,
+    count_errors,
+    travis,
+    blacken,
 )
 ns.configure(
     {
-- 
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