Install circle CLI in setup.py develop

.circleci/install_circle_cli.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+# Install the CircleCI CLI tool.
+# https://github.com/CircleCI-Public/circleci-cli
+#
+# Dependencies: curl, cut
+#
+# The version to install and the binary location can be passed in via VERSION and DESTDIR respectively.
+#
+
+set -o errexit
+
+echo "Starting installation."
+
+# GitHub's URL for the latest release, will redirect.
+LATEST_URL="https://github.com/CircleCI-Public/circleci-cli/releases/latest/"
+DESTDIR="${DESTDIR:-/usr/local/bin}"
+
+if [ -z "$VERSION" ]; then
+	VERSION=$(curl -sLI -o /dev/null -w '%{url_effective}' $LATEST_URL | cut -d "v" -f 2)
+fi
+
+echo "Installing CircleCI CLI v${VERSION}"
+
+# Run the script in a temporary directory that we know is empty.
+SCRATCH=$(mktemp -d || mktemp -d -t 'tmp')
+cd "$SCRATCH"
+
+function error {
+  echo "An error occured installing the tool."
+  echo "The contents of the directory $SCRATCH have been left in place to help to debug the issue."
+}
+
+trap error ERR
+
+# Determine release filename. This can be expanded with CPU arch in the future.
+if [ "$(uname)" == "Linux" ]; then
+	OS="linux"
+elif [ "$(uname)" == "Darwin" ]; then
+	OS="darwin"
+else
+	echo "This operating system is not supported."
+	exit 1
+fi
+
+RELEASE_URL="https://github.com/CircleCI-Public/circleci-cli/releases/download/v${VERSION}/circleci-cli_${VERSION}_${OS}_amd64.tar.gz"
+
+# Download & unpack the release tarball.
+curl -sL --retry 3 "${RELEASE_URL}" | tar zx --strip 1
+
+echo "Installing to $DESTDIR"
+mv circleci "$DESTDIR"
+chmod +x "$DESTDIR/circleci"
+
+command -v circleci
+
+# Delete the working directory when the install was successful.
+rm -r "$SCRATCH"

setup.py

@@ -20,6 +20,7 @@ along with nucypher.  If not, see <https://www.gnu.org/licenses/>.
 """
 
 import os
+import subprocess
 
 import sys
 from setuptools import setup, find_packages
@@ -86,14 +87,14 @@ class PostDevelopCommand(develop):
     """
     def run(self):
         develop.run(self)
-        print("Downloading solidity compiler binary")
         download_solc_binary()
-
+        subprocess.call(".circleci/install_circle_cli.sh")
 
 #
 #  Dependencies
 #
 
+
 def read_requirements(path):
     with open(os.path.join(BASE_DIR, path)) as f:
         _PIPENV_FLAGS, *REQUIREMENTS = f.read().split('\n')