epm-restore: add requirements_dev.txt support

bin/epm-restore

@@ -46,7 +46,12 @@ fill_sign()
 __epm_restore_pip()
 {
     local req_file="$1"
-    [ -n "$dryrun" ] || info "Install requirements from $req_file ..."
+    if [ -n "$dryrun" ] ; then
+        echo
+        echo "# generated by epm --restore --dry-run from $(basename $(dirname $(realpath $req_file)))/$req_file"
+    else
+        info "Install requirements from $req_file ..."
+    fi
 
     local ilist=''
     while read l ; do
@@ -72,6 +77,8 @@ __epm_restore_pip()
             continue
         fi
         if [ -n "$dryrun" ] ; then
+            local reqmacro="%py3_use"
+            [ "$(basename "$req_file")" = "requirements_dev.txt" ] && reqmacro="%py3_buildrequires"
             local pi=''
             local sign ll
             for sign in "<=" "<" ">=" ">" "==" "!="; do
@@ -81,9 +88,9 @@ __epm_restore_pip()
                 [ "$sign" = "!=" ] && sign=">="
                 [ -n "$pi" ] && pi="$pi
 "
-                pi="$pi%py3_use $t $sign $ll"
+                pi="$pi$reqmacro $t $sign $ll"
             done
-            [ -n "$pi" ] || pi="%py3_use $t"
+            [ -n "$pi" ] || pi="$reqmacro $t"
             echo "$pi"
             continue
         else
@@ -122,7 +129,7 @@ __epm_restore_by()
     fi
 
     case $(basename $req_file) in
-        requirements.txt|requires.txt)
+        requirements.txt|requirements_dev.txt|requires.txt)
             [ -s "$req_file" ] && __epm_restore_pip "$req_file"
             ;;
         Gemfile|package.json)
@@ -151,7 +158,7 @@ epm_restore()
 # TODO: nowhere works: python3 setup.py --requires
 
     # if run with empty args
-    for i in requirements.txt Gemfile requires.txt; do
+    for i in requirements.txt requirements_dev.txt Gemfile requires.txt; do
         __epm_restore_by $i
     done