This workaround is purpose for potential eula crash if switch languag…

…e in language page during OOBE stage.

    The language page only show one language and flash quickly to EULA page.
    In addition, another script will put os-post directory, which will delete other language based on locale.

ubiquity/dell-bootstrap.py

@@ -544,9 +544,15 @@ def explode_sdr(self):
         #if the destination is somewhere special, change the language
         if dest:
             self.preseed('dell-recovery/destination', dest)
-        if dest == 'CN':
-            self.preseed('debian-installer/locale', 'zh_CN.UTF-8')
-            self.ui.controller.translate('zh_CN.UTF-8')
+
+        # The code helps solving eula crash when switch language in OOBE.(low fail rate)
+        #The dict key is dest in SDR, the value is corresponding language in ubiquity languagelist.
+        dest_lang_map = {"CN": "zh_CN", "TW": "zh_TW", "BR": "pt_BR", "CZ": "cs_CZ", "JP": "ja_JP", "KR": "ko_KR", "EG": "ar_EG", "DK": "da_DK", \
+               "NL": "nl_NL", "NO": "nb_NO",  "FI": "fi_FI", "FR": 'fr_FR', "DE": "de_DE", "GR": "el_GR", "IL": "he_IL", "HU": "hu_HU", "IT": "it_IT", \
+               "PL": "pl_PL", "PT": "pt_PT", "RO": "ro_RO", "RU": "ru_RU", "SK": "sk_SK", "SI": "sl_SI", "ES": "es_ES", "SE": "sv_SE", "TR": "tr_TR", "UA": "uk_UA"}
+        if dest in dest_lang_map:
+            self.preseed('debian-installer/locale', '{}.UTF-8'.format(dest_lang_map[dest]))
+            self.ui.controller.translate('{}.UTF-8'.format(dest_lang_map[dest]))
 
     def usb_boot_preseeds(self, more_keys=None):
         """Sets/unsets preseeds that are common to a USB boot scenario.