Use pip-tools to manage development dependencies

Author: Pietro Albini

requirements-build.in

@@ -0,0 +1,2 @@
+Babel
+wheel

requirements-docs.in

@@ -0,0 +1,2 @@
+buildthedocs
+pietroalbini-sphinx-themes

requirements-lint.in

@@ -0,0 +1 @@
+flake8

requirements-test.in

@@ -0,0 +1,2 @@
+pytest
+responses

requirements-tools.in

@@ -0,0 +1 @@
+pip-tools

requirements-tools.txt

@@ -0,0 +1,10 @@
+#
+# This file is autogenerated by pip-compile
+# Make changes in requirements-tools.in, then run this to update:
+#
+#    pip-compile requirements-tools.in
+#
+click==6.3                # via pip-tools
+first==2.0.1              # via pip-tools
+pip-tools==1.6
+six==1.10.0               # via pip-tools

tasks.py

@@ -246,3 +246,33 @@ def docs():
 
     invoke.run("%s/bin/buildthedocs %s/buildthedocs.yml -o %s" %
                (env, docs_dir, build_dir))
+
+
+#
+# Pinned dependencies management
+#
+
+
+@invoke.task(name="deps-sync")
+def deps_sync():
+    """Sync dependencies versions"""
+    env = create_env("tools", requirements=True)
+
+    for env_name in os.listdir(os.path.join(BASE, "build", "envs")):
+        req = os.path.join(BASE, "requirements-%s.txt" % env_name)
+        if not os.path.exists(req):
+            continue
+
+        sub_env = os.path.join(BASE, "build", "envs", env_name)
+        invoke.run("VIRTUAL_ENV=%s %s/bin/pip-sync %s/requirements-%s.txt"
+                   % (sub_env, env, BASE, env_name), pty=True)
+
+
+@invoke.task(name="deps-compile")
+def deps_compile():
+    """Compile new requirements-*.txt"""
+    env = create_env("tools", requirements=True)
+
+    for file in glob.glob(os.path.join(BASE, "requirements-*.in")):
+        invoke.run("%s/bin/pip-compile %s > %s" % (env, os.path.abspath(file),
+                   os.path.abspath(file)[:-3]+".txt"))