Require cython when building from git clone only

.appveyor.yml

@@ -14,6 +14,7 @@ install:
   - git submodule update --init --recursive
 
   - "tools/build.cmd %PYTHON%\\python.exe -m pip install -U pip wheel setuptools"
+  - "tools/build.cmd %PYTHON%\\python.exe -m pip install -r requirements/cython.txt"
   - "tools/build.cmd %PYTHON%\\python.exe -m pip install -r requirements/ci.txt"
 
 build: false

.travis.yml

@@ -13,6 +13,7 @@ python:
 
 install:
 - &upgrade_python_toolset pip install --upgrade pip wheel setuptools
+- pip install -r requirements/cython.txt
 - pip install -r requirements/ci.txt
 
 script:
@@ -43,7 +44,7 @@ _helpers:
   <<: *_lint_base
   install:
   - *upgrade_python_toolset
-  - pip install -U -r requirements/ci.txt -r requirements/doc.txt -r requirements/doc-spelling.txt
+  - pip install -U -r requirements/doc.txt -r requirements/doc-spelling.txt
   after_failure: cat docs/_build/spelling/output.txt
   addons:
     apt:
@@ -152,12 +153,20 @@ jobs:
   - <<: *_doc_base
     env:
     - TARGET=towncrier
+    install:
+    - *upgrade_python_toolset
+    - pip install -r requirements/cython.txt
+    - pip install -r requirements/ci.txt
+    - pip install -r requirements/towncrier.txt
     script:
     - towncrier --yes
 
   - <<: *_lint_base
     env:
     - TARGET=flake8
+    install:
+    - *upgrade_python_toolset
+    - pip install -r requirements/flake.txt
     script:
     - flake8 aiohttp examples tests
 
@@ -166,7 +175,8 @@ jobs:
     - TARGET="'dist setup check'"
     install:
     - *upgrade_python_toolset
-    - pip install -r requirements/doc.txt
+    - pip install -r requirements/cython.txt
+    - pip install -r requirements/ci.txt -r requirements/doc.txt
     script:
     - python setup.py check --metadata --restructuredtext --strict --verbose
 

Makefile

@@ -2,7 +2,10 @@
 
 all: test
 
-.install-deps: $(shell find requirements -type f)
+install-cython:
+	@pip install -r requirements/cython.txt
+
+.install-deps: $(shell find requirements -type f) install-cython
 	@pip install -U -r requirements/dev.txt
 	@touch .install-deps
 

docs/spelling_wordlist.txt

@@ -265,6 +265,7 @@ Tf
 timestamps
 toolbar
 toplevel
+towncrier
 tp
 tuples
 UI
@@ -302,3 +303,4 @@ WSMsgType
 wss
 www
 xxx
+yarl

requirements/ci-wheel.txt

@@ -1,3 +1,4 @@
+-r flake.txt
 attrs==18.1.0
 async-generator==1.10
 async-timeout==3.0.0
@@ -6,17 +7,14 @@ cchardet==2.1.1
 chardet==3.0.4
 coverage==4.5.1
 cython==0.28.5
-flake8==3.5.0
 gunicorn==19.8.1
-isort==4.3.4
 pyflakes==2.0.0
 multidict==4.3.1
 pytest==3.7.1
 pytest-cov==2.5.1
 pytest-mock==1.10.0
 pytest-xdist==1.22.5
-towncrier==18.6.0
-tox==3.2.1
+tox==3.1.3
 twine==1.11.0
 yarl==1.2.6
 

requirements/ci.txt

@@ -1,6 +1,6 @@
 setuptools-git==1.2
 mypy==0.620; implementation_name=="cpython"
 
--r doc.txt
 -r ci-wheel.txt
+-r doc.txt
 -e .

requirements/cython.txt

@@ -0,0 +1 @@
+cython==0.28.5

requirements/dev.txt

@@ -1,4 +1,5 @@
 -r ci.txt
+-r towncrier.txt
 ipdb==0.11
 pytest-sugar==0.9.1
 ipython==6.5.0

requirements/flake.txt

@@ -0,0 +1,2 @@
+flake8==3.5.0
+isort==4.3.4

requirements/towncrier.txt

@@ -0,0 +1 @@
+towncrier==18.6.0

setup.py

@@ -12,13 +12,28 @@
 if sys.version_info < (3, 5, 3):
     raise RuntimeError("aiohttp 3.x requires Python 3.5.3+")
 
+here = pathlib.Path(__file__).parent
 
 try:
     from Cython.Build import cythonize
     USE_CYTHON = True
 except ImportError:
     USE_CYTHON = False
 
+if (here / '.git').exists() and not USE_CYTHON:
+    print("Install cython when building from git clone", file=sys.stderr)
+    print("Hint:", file=sys.stderr)
+    print("  pip install cython", file=sys.stderr)
+    sys.exit(1)
+
+
+if (here / '.git').exists() and not (here / 'vendor/http-parser/README.md'):
+    print("Install submodules when building from git clone", file=sys.stderr)
+    print("Hint:", file=sys.stderr)
+    print("  git submodule update --init", file=sys.stderr)
+    sys.exit(2)
+
+
 ext = '.pyx' if USE_CYTHON else '.c'
 
 
@@ -62,7 +77,6 @@ def build_extension(self, ext):
             raise BuildFailed()
 
 
-here = pathlib.Path(__file__).parent
 
 txt = (here / 'aiohttp' / '__init__.py').read_text('utf-8')
 try:

tools/build-wheels.sh

@@ -24,6 +24,7 @@ echo
 echo
 echo "Compile wheels"
 for PYTHON in ${PYTHON_VERSIONS}; do
+    /opt/python/${PYTHON}/bin/pip install -r /io/requirements/cython.txt
     /opt/python/${PYTHON}/bin/pip install -r /io/requirements/wheel.txt
     /opt/python/${PYTHON}/bin/pip wheel /io/ -w /io/dist/
 done
@@ -59,6 +60,7 @@ for PYTHON in ${PYTHON_VERSIONS}; do
     echo
     echo -n "Test $PYTHON: "
     /opt/python/${PYTHON}/bin/python -c "import platform; print('Building wheel for {platform} platform.'.format(platform=platform.platform()))"
+    /opt/python/${PYTHON}/bin/pip install -r /io/requirements/cython.txt
     /opt/python/${PYTHON}/bin/pip install -r /io/requirements/ci-wheel.txt
     /opt/python/${PYTHON}/bin/pip install "$package_name" --no-index -f file:///io/dist
     /opt/python/${PYTHON}/bin/py.test /io/tests