diff --git a/.gitignore b/.gitignore
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,6 @@
 packages/*
 snippets/
 !packages/README
-!packages/keys/
\ No newline at end of file
+!packages/keys/
+
+.venv
diff --git a/bin/pip-install-deps b/bin/pip-install-deps
deleted file mode 100755
--- a/bin/pip-install-deps
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/bash
-
-LS_DEPS="bin/pip-ls-deps"
-if ! [ -x "$LS_DEPS" ] ; then
-    echo "pip-install-deps should be run from the root of swh-environment. Bye."
-    exit 2
-fi
-
-if [ "$1" = '-h' -o "$1" = '--help' ] ; then
-    echo "Usage: bin/pip-install-deps [PIP3_INSTALL_OPTION]..."
-    echo
-    echo "Tip: you can use bin/pip-ls-deps to list the dependencies that will be installed."
-    exit 2
-fi
-
-set -x
-
-requirements=$(mktemp tmp.swh-requirements.txt.XXXXXXXXXX)
-trap "rm -f ${requirements}" EXIT
-"$LS_DEPS" > "$requirements"
-
-pip3 install --requirement "$requirements" "$@"
diff --git a/bin/pip-swh-packages b/bin/pip-swh-packages
new file mode 100755
--- /dev/null
+++ b/bin/pip-swh-packages
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+./bin/py-depgraph |
+    grep -- '->' |
+    sed -e 's/[";]//g' -e 's/->//g' |
+    tsort |
+    tac |
+    grep '^swh\.' |
+    sed 's:\.:-:g' |
+    sed 's:^:-e :'
diff --git a/bin/py-depgraph b/bin/py-depgraph
--- a/bin/py-depgraph
+++ b/bin/py-depgraph
@@ -34,7 +34,10 @@
 done
 
 getdeps() {
-    grep -E -v '(^#|^[[:space:]]*$)' "$1" | cut -f 1 -d ' ' | tr 'A-Z' 'a-z'
+    grep -E -v '(^#|^[[:space:]]*$)' "$1" |
+        cut -f 1 -d ' ' |
+        tr 'A-Z' 'a-z' |
+        sed -E 's/\[\w+\]//'
 }
 
 for repo in $pyrepos ; do