Trac #26008: Upgrade setuptools and pip

'''Tarballs''':

- https://files.pythonhosted.org/packages/d3/3e/1d74cdcb393b68ab9ee18d78
c11ae6df8447099f55fe86ee842f9c5b166c/setuptools-40.0.0.zip

- https://files.pythonhosted.org/packages/69/81/52b68d0a4de760a2f1979b09
31ba7889202f302072cc7a0d614211bc7579/pip-18.0.tar.gz

URL: https://trac.sagemath.org/26008
Reported by: jdemeyer
Ticket author(s): Jeroen Demeyer
Reviewer(s): Julian Rüth

build/bin/sage-pip-install

@@ -17,7 +17,10 @@
 #                      This also disables pip's version self-check.
 # --isolated         : Don't read configuration files such as
 #                      ~/.pydistutils.cfg
-pip_install_flags="--ignore-installed --verbose --no-deps --no-index --isolated"
+# --no-build-isolation:Build the package in the usual Python environment
+#                      (containing the dependencies) instead of an
+#                      "isolated" environment
+pip_install_flags="--ignore-installed --verbose --no-deps --no-index --isolated --no-build-isolation"
 
 # Consume any additional pip install arguments except the last one
 while [ $# -gt 1 ]; do
@@ -66,19 +69,18 @@ LOCK="$SAGE_LOCAL/var/lock/$PIP.lock"
 while true; do
     out=$(sage-flock -x $LOCK $PIP uninstall --disable-pip-version-check -y "$name" 2>&1)
     if [ $? -ne 0 ]; then
+        # Uninstall failed
+        echo >&2 "$out"
+        exit 1
+    fi
+
+    # Uninstall succeeded, which may mean that the package was not
+    # installed to begin with.
+    if [[ "$out" != *"not installed" ]]; then
         break
     fi
-    echo "$out"
 done
 
-# Not ideal, but this is the easiest way to check if the package
-# was not installed to begin with (which pip2/3 treats as an error).
-# If it wasn't, then we proceed quietly; if it was installed show the
-# uninstallation output and error out.
-if [[ "$out" != *"not installed" ]]; then
-    echo >&2 "$out"
-    exit 1
-fi
 
 # Finally actually do the installation (the "SHARED" tells pip2/3-lock
 # to apply a shared lock)

build/pkgs/pip/checksums.ini

@@ -1,4 +1,4 @@
 tarball=pip-VERSION.tar.gz
-sha1=1f5f44d433ca599d40f8e46f440479b2c73802d8
-md5=b15b33f9aad61f88d0f8c866d16c55d8
-cksum=3941571893
+sha1=337f4694bfcd4d698d9b02b38a7520fabc42a1d9
+md5=52f75ceb21e96c258f289859a2996b60
+cksum=3433326775

build/pkgs/pip/package-version.txt

@@ -1 +1 @@
-9.0.3
+18.0

build/pkgs/pip/spkg-install

@@ -1,13 +1,16 @@
 cd src
 
-# pip can install itself!
-#
+
+# pip can install itself! But first we need to ensure that the pip
+# source directory in on the PYTHONPATH
+export PYTHONPATH=`cd src && pwd`
+
 # need to use --upgrade or --ignore-installed; Otherwise pip, which is
 # importing itself, will think itself is already installed
 #
 # Install pip3 first so pip2 overwrites local/bin/pip
 for vers in 3 2; do
     python${vers} -m pip install --verbose --no-index --ignore-installed \
-            --isolated --root="$SAGE_DESTDIR" . || \
+            --no-build-isolation --isolated --root="$SAGE_DESTDIR" . || \
         sdh_die "Error building / installing pip${vers}"
 done

build/pkgs/setuptools/checksums.ini

@@ -1,4 +1,4 @@
 tarball=setuptools-VERSION.zip
-sha1=37328c5a707856eb0fb086da6cf60ceb85a493c2
-md5=e8e05d4f8162c9341e1089c80f742f64
-cksum=1301272111
+sha1=dac21f957c047b1b222a54fd2b2a3053c59cbfce
+md5=260630ae1a64bafa39dcc53404d63829
+cksum=2213770058

build/pkgs/setuptools/package-version.txt

@@ -1 +1 @@
-38.2.4.p0
+40.0.0