Remove blis python version constraints (#6522)

* Remove blis version constraints

After updating the blis sdist in v0.7.4, remove python version
constraints for blis build and install dependencies.

* Install sdist with --prefer-binary for python 3.5

* Fix duplicate sdist install steps

* Fix sdist install step types

* Fix blis pins in requirements.txt

* Remove wheel hack for python 3.5 from CI

azure-pipelines.yml

@@ -89,10 +89,16 @@ jobs:
       versionSpec: '$(python.version)'
       architecture: 'x64'
 
-  - script: |
-      python -m pip install -U pip setuptools
-      pip install -r requirements.txt --prefer-binary
+  - script: python -m pip install -U pip setuptools
+    displayName: 'Update pip'
+
+  - script: pip install -r requirements.txt --prefer-binary
+    displayName: 'Install dependencies (python 3.5: prefer binary)'
+    condition: eq(variables['python.version'], '3.5')
+
+  - script: pip install -r requirements.txt
     displayName: 'Install dependencies'
+    condition: not(eq(variables['python.version'], '3.5'))
 
   - script: |
       python setup.py build_ext --inplace -j 2
@@ -109,15 +115,17 @@ jobs:
       pip uninstall -y -r installed.txt
     displayName: 'Uninstall all packages'
 
-  - script: |
-      pip install wheel
-    condition: and(eq(variables['os'], 'linux'), eq(variables['python.version'], '3.5'))
-    displayName: 'Hack: install wheel for python 3.5'
+  - bash: |
+      SDIST=$(python -c "import os;print(os.listdir('./dist')[-1])" 2>&1)
+      pip install dist/$SDIST --prefer-binary
+    displayName: 'Install from sdist (python 3.5: prefer binary)'
+    condition: eq(variables['python.version'], '3.5')
 
   - bash: |
       SDIST=$(python -c "import os;print(os.listdir('./dist')[-1])" 2>&1)
       pip install dist/$SDIST
     displayName: 'Install from sdist'
+    condition: not(eq(variables['python.version'], '3.5'))
 
   - script: |
       pip install -r requirements.txt --prefer-binary

pyproject.toml

@@ -6,8 +6,7 @@ requires = [
     "preshed>=3.0.2,<3.1.0",
     "murmurhash>=0.28.0,<1.1.0",
     "thinc>=7.4.1,<7.5.0",
-    "blis>=0.4.0,<0.8.0; python_version >= '3.6'",
-    "blis>=0.4.0,<0.5.0; python_version < '3.6'",
+    "blis>=0.4.0,<0.8.0",
     "numpy>=1.15.0",
 ]
 build-backend = "setuptools.build_meta"

requirements.txt

@@ -2,8 +2,7 @@
 cymem>=2.0.2,<2.1.0
 preshed>=3.0.2,<3.1.0
 thinc>=7.4.1,<7.5.0
-blis>=0.4.0,<0.8.0; python_version >= "3.6"
-blis>=0.4.0,<0.5.0; python_version < "3.6"
+blis>=0.4.0,<0.8.0
 murmurhash>=0.28.0,<1.1.0
 wasabi>=0.4.0,<1.1.0
 srsly>=1.0.2,<1.1.0

setup.cfg

@@ -47,8 +47,7 @@ install_requires =
     cymem>=2.0.2,<2.1.0
     preshed>=3.0.2,<3.1.0
     thinc>=7.4.1,<7.5.0
-    blis>=0.4.0,<0.8.0; python_version >= "3.6"
-    blis>=0.4.0,<0.5.0; python_version < "3.6"
+    blis>=0.4.0,<0.8.0
     wasabi>=0.4.0,<1.1.0
     srsly>=1.0.2,<1.1.0
     catalogue>=0.0.7,<1.1.0