Backport PR #28391 on branch 0.25.x

ci/deps/azure-35-compat.yaml

@@ -18,13 +18,13 @@ dependencies:
   - xlsxwriter=0.9.8
   - xlwt=1.2.0
   # universal
-  - cython=0.28.2
   - hypothesis>=3.58.0
   - pytest-xdist
   - pytest-mock
   - pytest-azurepipelines
   - pip
   - pip:
-    # for python 3.5, pytest>=4.0.2 is not available in conda
+    # for python 3.5, pytest>=4.0.2, cython>=0.29.13 is not available in conda
+    - cython>=0.29.13
     - pytest==4.5.0
     - html5lib==1.0b2

ci/deps/azure-36-32bit.yaml

@@ -6,7 +6,6 @@ dependencies:
   - gcc_linux-32
   - gcc_linux-32
   - gxx_linux-32
-  - cython=0.28.2
   - numpy=1.14.*
   - python-dateutil
   - python=3.6.*
@@ -18,3 +17,6 @@ dependencies:
   - pytest-azurepipelines
   - hypothesis>=3.58.0
   - pip
+  - pip:
+    # Anaconda doesn't build a new enough Cython
+    - cython>=0.29.13

ci/deps/azure-36-locale.yaml

@@ -5,7 +5,7 @@ channels:
 dependencies:
   - beautifulsoup4==4.6.0
   - bottleneck=1.2.*
-  - cython=0.28.2
+  - cython=0.29.13
   - lxml
   - matplotlib=2.2.2
   - numpy=1.14.*

ci/deps/azure-36-locale_slow.yaml

@@ -4,7 +4,7 @@ channels:
   - conda-forge
 dependencies:
   - beautifulsoup4
-  - cython>=0.28.2
+  - cython>=0.29.13
   - gcsfs
   - html5lib
   - ipython

ci/deps/azure-37-locale.yaml

@@ -4,7 +4,7 @@ channels:
   - conda-forge
 dependencies:
   - beautifulsoup4
-  - cython>=0.28.2
+  - cython>=0.29.13
   - html5lib
   - ipython
   - jinja2

ci/deps/azure-37-numpydev.yaml

@@ -4,7 +4,7 @@ channels:
 dependencies:
   - python=3.7.*
   - pytz
-  - Cython>=0.28.2
+  - Cython>=0.29.13
   # universal
   - pytest>=4.0.2
   - pytest-xdist

ci/deps/azure-macos-35.yaml

@@ -4,7 +4,6 @@ channels:
 dependencies:
   - beautifulsoup4
   - bottleneck
-  - cython>=0.28.2
   - html5lib
   - jinja2
   - lxml
@@ -23,6 +22,8 @@ dependencies:
   - xlsxwriter
   - xlwt
   - pip:
+    # Anaconda / conda-forge don't build for 3.5
+    - cython>=0.29.13
     - pyreadstat
     # universal
     - pytest==4.5.0
@@ -31,4 +32,3 @@ dependencies:
     - hypothesis>=3.58.0
     # https://github.com/pandas-dev/pandas/issues/27421
     - pytest-azurepipelines<1.0.0
-

ci/deps/azure-windows-36.yaml

@@ -22,9 +22,9 @@ dependencies:
   - xlsxwriter
   - xlwt
   # universal
-  - cython>=0.28.2
-  - pytest>=4.0.2
-  - pytest-xdist
+  - cython>=0.29.13
+  - pytest>=5.0.1
+  - pytest-xdist>=1.29.0
   - pytest-mock
   - pytest-azurepipelines
   - hypothesis>=3.58.0

ci/deps/azure-windows-37.yaml

@@ -25,9 +25,9 @@ dependencies:
   - xlsxwriter
   - xlwt
   # universal
-  - cython>=0.28.2
-  - pytest>=4.0.2
-  - pytest-xdist
+  - cython>=0.29.13
+  - pytest>=5.0.0
+  - pytest-xdist>=1.29.0
   - pytest-mock
   - pytest-azurepipelines
   - hypothesis>=3.58.0

ci/deps/travis-36-cov.yaml

@@ -5,7 +5,7 @@ channels:
 dependencies:
   - beautifulsoup4
   - botocore>=1.11
-  - cython>=0.28.2
+  - cython>=0.29.13
   - dask
   - fastparquet>=0.2.1
   - gcsfs

ci/deps/travis-36-locale.yaml

@@ -6,7 +6,7 @@ dependencies:
   - beautifulsoup4
   - blosc=1.14.3
   - python-blosc
-  - cython>=0.28.2
+  - cython>=0.29.13
   - fastparquet=0.2.1
   - gcsfs=0.2.2
   - html5lib

ci/deps/travis-36-slow.yaml

@@ -4,7 +4,7 @@ channels:
   - conda-forge
 dependencies:
   - beautifulsoup4
-  - cython>=0.28.2
+  - cython>=0.29.13
   - html5lib
   - lxml
   - matplotlib

ci/deps/travis-37.yaml

@@ -6,7 +6,7 @@ channels:
 dependencies:
   - python=3.7.*
   - botocore>=1.11
-  - cython>=0.28.2
+  - cython>=0.29.13
   - numpy
   - python-dateutil
   - nomkl

environment.yml

@@ -13,7 +13,7 @@ dependencies:
   - asv
 
   # building
-  - cython>=0.28.2
+  - cython>=0.29.13
 
   # code checks
   - black

requirements-dev.txt

@@ -2,7 +2,7 @@ numpy>=1.15
 python-dateutil>=2.6.1
 pytz
 asv
-cython>=0.28.2
+cython>=0.29.13
 black
 cpplint
 flake8

setup.py

@@ -32,6 +32,8 @@ def is_platform_mac():
 
 
 min_numpy_ver = "1.13.3"
+min_cython_ver = "0.29.13"
+
 setuptools_kwargs = {
     "install_requires": [
         "python-dateutil >= 2.6.1",
@@ -43,7 +45,6 @@ def is_platform_mac():
 }
 
 
-min_cython_ver = "0.28.2"
 try:
     import Cython