[mod] utils/lib.sh: add pyenv.activate

* initialize virtualenv (pyenv.install)
* activate virtualenv

close #310

manage

@@ -162,12 +162,13 @@ weblate.to.translations() {
     #    remote 'weblate' and push it on branch 'translations' of 'origin'
 
     (   set -e
-        if [ "$(pyenv.cmd wlc lock-status)" != "locked: True" ]; then
-            die 1 "weblate must be locked, currently: $(pyenv.cmd wlc lock-status)"
+        pyenv.activate
+        if [ "$(wlc lock-status)" != "locked: True" ]; then
+            die 1 "weblate must be locked, currently: $(wlc lock-status)"
         fi
         # weblate: commit pending changes
-        pyenv.cmd wlc pull
-        pyenv.cmd wlc commit
+        wlc pull
+        wlc commit
 
         # get the translations in a worktree
         weblate.translations.worktree
@@ -189,8 +190,9 @@ weblate.translations.commit() {
 
     local existing_commit_hash commit_body commit_message exitcode
     (   set -e
+        pyenv.activate
         # lock change on weblate
-        pyenv.cmd wlc lock
+        wlc lock
 
         # get translations branch in git worktree (TRANSLATIONS_WORKTREE)
         weblate.translations.worktree
@@ -204,7 +206,7 @@ weblate.translations.commit() {
 
         # compile translations
         build_msg BABEL 'compile translation catalogs into binary MO files'
-        pyenv.cmd pybabel compile --statistics \
+        pybabel compile --statistics \
                 -d "searx/translations"
         # git add/commit (no push)
         commit_body=$(cd "${TRANSLATIONS_WORKTREE}"; git log --pretty=format:'%h - %as - %aN <%ae>' "${existing_commit_hash}..HEAD")
@@ -241,13 +243,13 @@ weblate.push.translations() {
           last_commit_message exitcode
     messages_pot="${TRANSLATIONS_WORKTREE}/searx/translations/messages.pot"
     (   set -e
-
+        pyenv.activate
         # get translations branch in git worktree (TRANSLATIONS_WORKTREE)
         weblate.translations.worktree
 
         # update messages.pot in the master branch
         build_msg BABEL 'extract messages from source files and generate POT file'
-        pyenv.cmd pybabel extract -F babel.cfg \
+        pybabel extract -F babel.cfg \
                 -o "${messages_pot}" \
                 "searx/"
 
@@ -269,12 +271,13 @@ weblate.push.translations() {
     fi
     (
         set -e
+        pyenv.activate
 
         # lock change on weblate
         # weblate may add commit(s) since the call to "weblate.translations.worktree".
         # this is not a problem because after this line, "weblate.to.translations"
         # calls again "weblate.translations.worktree" which calls "git pull"
-        pyenv.cmd wlc lock
+        wlc lock
 
         # save messages.pot in the translations branch for later
         pushd "${TRANSLATIONS_WORKTREE}"
@@ -291,7 +294,7 @@ weblate.push.translations() {
 
         # update messages.po files in the master branch
         build_msg BABEL 'update existing message catalogs from POT file'
-        pyenv.cmd pybabel update -N \
+        pybabel update -N \
             -i "${messages_pot}" \
             -d "${TRANSLATIONS_WORKTREE}/searx/translations"
 
@@ -307,12 +310,13 @@ weblate.push.translations() {
         popd
 
         # notify weblate to pull updated master & translations branch
-        pyenv.cmd wlc pull
+        wlc pull
     )
     exitcode=$?
     (   # make sure to always unlock weblate
         set -e
-        pyenv.cmd wlc unlock
+        pyenv.activate
+        wlc unlock
     )
     dump_return $exitcode
 }
@@ -389,8 +393,7 @@ docker.build() {
     # See https://www.shellcheck.net/wiki/SC1001 and others ..
     # shellcheck disable=SC2031,SC2230,SC2002,SC2236,SC2143,SC1001
     (   set -e
-        # shellcheck source=/dev/null
-        source "${PY_ENV_BIN}/activate"
+        pyenv.activate
 
         # Check if it is a git repository
         if [ ! -d .git ]; then
@@ -406,8 +409,8 @@ docker.build() {
 
         # This is a git repository
         git update-index -q --refresh
-        pyenv.cmd python -m searx.version freeze
-        eval "$(pyenv.cmd python -m searx.version)"
+        python -m searx.version freeze
+        eval "$(python -m searx.version)"
 
         # Get the last git commit id
         VERSION_GITCOMMIT=$(echo "$VERSION_STRING" | cut -d- -f3)
@@ -456,8 +459,7 @@ gecko.driver() {
     build_msg INSTALL "gecko.driver"
     # run installation in a subprocess and activate pyenv
     (   set -e
-        # shellcheck source=/dev/null
-        source "${PY_ENV_BIN}/activate"
+        pyenv.activate
 
         # TODO : check the current geckodriver version
         geckodriver -V > /dev/null 2>&1 || NOTFOUND=1

utils/lib.sh

@@ -725,6 +725,14 @@ pyenv.cmd() {
     )
 }
 
+
+pyenv.activate() {
+    pyenv.install
+    # shellcheck source=/dev/null
+    source "${PY_ENV_BIN}/activate"
+}
+
+
 # Sphinx doc
 # ----------