pip harder

ci.sh

@@ -10,20 +10,24 @@ set +o allexport
 # Log some general info about the environment
 env | sort
 
+function try-harder() {
+    for BACKOFF in 0 1 2 4 8 15 15 15 15; do
+        sleep $BACKOFF
+        if "$@"; then
+            return 0
+        fi
+    done
+    return 1
+}
+
 # Curl's built-in retry system is not very robust; it gives up on lots of
 # network errors that we want to retry on. Wget might work better, but it's
 # not installed on azure pipelines's windows boxes. So... let's try some good
 # old-fashioned brute force. (This is also a convenient place to put options
 # we always want, like -f to tell curl to give an error if the server sends an
 # error response, and -L to follow redirects.)
 function curl-harder() {
-    for BACKOFF in 0 1 2 4 8 15 15 15 15; do
-        sleep $BACKOFF
-        if curl -fL --connect-timeout 5 "$@"; then
-            return 0
-        fi
-    done
-    return 1
+    try-harder curl -fL --connect-timeout 5 "$@"
 }
 
 ################################################################
@@ -37,7 +41,7 @@ python -m pip --version
 
 python setup.py sdist --formats=zip
 INSTALL_ARTIFACT=$(ls dist/*.zip)
-python -m pip install ${INSTALL_ARTIFACT}${INSTALL_EXTRAS}
+try-harder python -m pip install ${INSTALL_ARTIFACT}${INSTALL_EXTRAS}
 
 python -m pip list
 python -m pip freeze

newsfragments/124.misc.rst

@@ -0,0 +1,2 @@
+Try harder to pip due to
+`pypa/warehouse#8330 <https://github.com/pypa/warehouse/issues/8330>`_.