Add third option in template function load()

pym/cl_template.py

@@ -2601,49 +2601,55 @@ class templateFunction(_error, _shareTemplate, _shareTermsFunction):
         если один параметр - выводит значение локальной переменной
         """
         terms = funArgv.split(",")
-        if not terms or not terms[0].strip() or\
-            (len(terms)==2 and not terms[1].strip()) or\
-            len(terms)>2:
+        if terms:
+            lenTerms = len(terms)
+            if not terms[0].strip() or\
+                (lenTerms==2 and not terms[1].strip()) or\
+                (lenTerms==3 and not terms[2].strip()) or\
+                lenTerms>3:
+                self.printErrTemplate()
+                cl_overriding.exit(1)
+        else:
             self.printErrTemplate()
             cl_overriding.exit(1)
-        if len(terms) == 2:
+        flagNotRootFS = True
+        if lenTerms == 3:
+            if terms[2] =="root":
+                flagNotRootFS = False
+            else:
+                self.printErrTemplate()
+                cl_overriding.printERROR(\
+                _("Third argument function is not 'root'"))
+                cl_overriding.exit(1)
+        if lenTerms >= 2:
             if not terms[0] in ["ver","num","char","key"]:
                 self.printErrTemplate()
                 cl_overriding.printERROR(\
                 _("first argument function is not 'ver' or 'num' or 'char'"))
                 cl_overriding.exit(1)
-        if len(terms) == 1:
+
+        if lenTerms == 1:
             fileName = terms[0].strip()
-            # Если домашняя директория
-            if fileName[0] == "~":
-                # Получаем директорию пользователя
-                fileName = os.path.join(self.homeDir,
-                                        fileName.partition("/")[2],"")[:-1]
-            elif fileName[0] != "/":
-                self.printErrTemplate()
-                cl_overriding.printERROR(_("wrong path '%s'")%fileName)
-                cl_overriding.exit(1)
-            else:
-                fileName = pathJoin(self._baseDir, fileName)
         else:
             fileName = terms[1].strip()
-            # Если домашняя директория
-            if fileName[0] == "~":
-                # Получаем директорию пользователя
-                fileName = os.path.join(self.homeDir,
-                                        fileName.partition("/")[2],"")[:-1]
-            elif fileName[0] != "/":
-                self.printErrTemplate()
-                cl_overriding.printERROR(_("wrong path '%s'")%fileName)
-                cl_overriding.exit(1)
-            else:
+        # Если домашняя директория
+        if fileName[0] == "~":
+            # Получаем директорию пользователя
+            fileName = os.path.join(self.homeDir,
+                                    fileName.partition("/")[2],"")[:-1]
+        elif fileName[0] != "/":
+            self.printErrTemplate()
+            cl_overriding.printERROR(_("wrong path '%s'")%fileName)
+            cl_overriding.exit(1)
+        else:
+            if flagNotRootFS:
                 fileName = pathJoin(self._baseDir,fileName)
         replace = ""
         if os.path.exists(fileName):
             FD = open(fileName)
             replace = FD.read().strip()
             FD.close
-        if not replace and len(terms) == 2 and terms[0] in ["ver","num"]:
+        if not replace and lenTerms >= 2 and terms[0] in ["ver","num"]:
             replace = "0"
         textTemplateTmp = textTemplateTmp[:resS.start()] + replace +\
                 textTemplateTmp[resS.end():]