diff --git a/bin/pip-swh-packages b/bin/pip-swh-packages
--- a/bin/pip-swh-packages
+++ b/bin/pip-swh-packages
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+. bin/utils.sh
+
 ./bin/py-depgraph |
     grep -- '->' |
     sed -e 's/[";]//g' -e 's/->//g' |
@@ -8,3 +10,14 @@
     grep '^swh\.' |
     sed 's:\.:-:g' |
     sed 's:^:-e :'
+
+pyrepos=$(bin/ls-py-modules)  # available python repositories (with '-')
+
+for repo in $pyrepos ; do
+    reqs_test="${repo}/requirements-test.txt"
+    if [ -f "$reqs_test" ]; then
+        for dep in $( getdeps "$reqs_test" ) ; do
+            echo "${dep}"
+        done
+    fi
+done | sort -u
diff --git a/bin/py-depgraph b/bin/py-depgraph
--- a/bin/py-depgraph
+++ b/bin/py-depgraph
@@ -5,6 +5,8 @@
 # include by default both internal and external dependencies, but can asked to
 # include either or none of them (see --help)
 
+. bin/utils.sh
+
 internal_modules=1
 external_modules=1
 while [ -n "$1" ] ; do
@@ -33,13 +35,6 @@
     echo -e "\t\"$pymod\" ;"
 done
 
-getdeps() {
-    grep -E -v '(^#|^[[:space:]]*$)' "$1" |
-        cut -f 1 -d ' ' |
-        tr 'A-Z' 'a-z' |
-        sed -E 's/\[\w+\]//'
-}
-
 for repo in $pyrepos ; do
     pymod=${repo//-/.}
     reqs_int="${repo}/requirements-swh.txt"
diff --git a/bin/utils.sh b/bin/utils.sh
new file mode 100644
--- /dev/null
+++ b/bin/utils.sh
@@ -0,0 +1,8 @@
+
+getdeps() {
+    grep -E -v '(^#|^[[:space:]]*$)' "$1" |
+        cut -f 1 -d ' ' |
+        tr 'A-Z' 'a-z' |
+        sed -E 's/\[\w+\]//'
+}
+