BLD: Add pyproject.toml

.gitignore

@@ -57,6 +57,7 @@ dist
 # wheel files
 *.whl
 **/wheelhouse/*
+pip-wheel-metadata
 # coverage
 .coverage
 coverage.xml

MANIFEST.in

@@ -3,6 +3,7 @@ include LICENSE
 include RELEASE.md
 include README.md
 include setup.py
+include pyproject.toml
 
 graft doc
 prune doc/build

README.md

@@ -192,14 +192,6 @@ or for installing in [development mode](https://pip.pypa.io/en/latest/reference/
 python setup.py develop
 ```
 
-Alternatively, you can use `pip` if you want all the dependencies pulled
-in automatically (the `-e` option is for installing it in [development
-mode](https://pip.pypa.io/en/latest/reference/pip_install.html#editable-installs)):
-
-```sh
-pip install -e .
-```
-
 See the full instructions for [installing from source](https://pandas.pydata.org/pandas-docs/stable/install.html#installing-from-source).
 
 ## License

ci/incremental/build.cmd

@@ -1,9 +1,9 @@
 @rem https://github.com/numba/numba/blob/master/buildscripts/incremental/build.cmd
 
-@rem Build numba extensions without silencing compile errors
-python setup.py build_ext -q --inplace
+@rem Build wheel
+python setup.py bdist_wheel -d wheelhouse
 
-@rem Install pandas locally
-python -m pip install -e .
+@rem Install wheel
+FOR /F "Tokens=*" %A IN ('DIR "wheelhouse\*.whl"') DO @( python -m pip install --no-deps %~nxA )
 
 if %errorlevel% neq 0 exit /b %errorlevel%

ci/setup_env.sh

@@ -115,9 +115,11 @@ conda list pandas
 
 # Make sure any error below is reported as such
 
-echo "Build extensions and install pandas"
-python setup.py build_ext -q --inplace
-python -m pip install -e .
+echo "Building wheel"
+python setup.py bdist_wheel -d wheelhouse
+
+echo "Installing wheel"
+python -m pip install --no-deps wheelhouse/pandas*.whl
 
 echo
 echo "conda list"

doc/source/development/contributing.rst

@@ -208,7 +208,7 @@ We'll now kick off a three-step process:
 
    # Build and install pandas
    python setup.py build_ext --inplace -j 4
-   python -m pip install -e .
+   python -m pip install -e --no-use-pep517 --no-build-isolation .
 
 At this point you should be able to import pandas from your locally built version::
 
@@ -252,7 +252,7 @@ You'll need to have at least python3.5 installed on your system.
 
    # Build and install pandas
    python setup.py build_ext --inplace -j 4
-   python -m pip install -e .
+   python -m pip install -e --no-use-pep517 --no-build-isolation .
 
 Creating a branch
 -----------------

pyproject.toml

@@ -0,0 +1,14 @@
+[build-system]
+# Minimum requirements for the build system to execute.
+# See https://github.com/scipy/scipy/pull/10431 for the AIX issue.
+requires = [
+    "setuptools",
+    "wheel",
+    "Cython>=0.29.13",  # Note: sync with setup.py
+    "numpy==1.13.3; python_version=='3.5' and platform_system!='AIX'",
+    "numpy==1.13.3; python_version=='3.6' and platform_system!='AIX'",
+    "numpy==1.14.5; python_version>='3.7' and platform_system!='AIX'",
+    "numpy==1.16.0; python_version=='3.5' and platform_system=='AIX'",
+    "numpy==1.16.0; python_version=='3.6' and platform_system=='AIX'",
+    "numpy==1.16.0; python_version>='3.7' and platform_system=='AIX'",
+]