Refactor make_extension_string

easybuild/framework/easyblock.py

@@ -1520,8 +1520,8 @@ def make_module_extra_extensions(self):
         # set environment variable that specifies list of extensions
         # We need only name and version, so don't resolve templates
         exts_list = self.make_extension_string(ext_sep=',', sort=False)
-        env_var_name = convert_name(self.name, upper=True)
-        lines.append(self.module_generator.set_environment('EBEXTSLIST%s' % env_var_name, exts_list))
+        env_var_name = 'EBEXTSLIST' + convert_name(self.name, upper=True)
+        lines.append(self.module_generator.set_environment(env_var_name, exts_list))
 
         return ''.join(lines)
 
@@ -1800,14 +1800,32 @@ def load_dependency_modules(self):
     # EXTENSIONS UTILITY FUNCTIONS
     #
 
-    def _make_extension_list(self):
+    def make_extension_string(self, name_version_sep='-', ext_sep=', ', sort=True):
+        """
+        Generate a string with a list of extensions returned by make_extension_list.
+
+        The name and version are separated by name_version_sep and each extension is separated by ext_sep.
+        For customization of extensions the make_extension_list method should be used.
+        """
+        exts_list = (name_version_sep.join(ext) for ext in self.make_extension_list())
+        if sort:
+            exts_list = sorted(exts_list, key=str.lower)
+        return ext_sep.join(exts_list)
+
+    def make_extension_list(self):
         """
         Return a list of extension names and their versions included in this installation
 
-        Each entry should be a (name, version) tuple or just (name, ) if no version exists
+        Each entry should be a (name, version) tuple or just (name, ) if no version exists.
+        Custom EasyBlocks may override this to add extensions that cannot be found automatically.
         """
         # Each extension in exts_list is either a string or a list/tuple with name, version as first entries
         # As name can be a templated value we must resolve templates
+        if hasattr(self, '_make_extension_list'):
+            self.log.nosupport("self._make_extension_list is replaced by self.make_extension_list", '5.0')
+        if type(self).make_extension_string != EasyBlock.make_extension_string:
+            self.log.nosupport("self.make_extension_string should not be overridden", '5.0')
+
         exts_list = []
         for ext in self.cfg.get_ref('exts_list'):
             if isinstance(ext, str):
@@ -1817,17 +1835,6 @@ def _make_extension_list(self):
                                   resolve_template(ext[1], self.cfg.template_values)))
         return exts_list
 
-    def make_extension_string(self, name_version_sep='-', ext_sep=', ', sort=True):
-        """
-        Generate a string with a list of extensions.
-
-        The name and version are separated by name_version_sep and each extension is separated by ext_sep
-        """
-        exts_list = (name_version_sep.join(ext) for ext in self._make_extension_list())
-        if sort:
-            exts_list = sorted(exts_list, key=str.lower)
-        return ext_sep.join(exts_list)
-
     def prepare_for_extensions(self):
         """Ran before installing extensions (eg to set templates)"""
 

easybuild/tools/module_generator.py

@@ -610,21 +610,6 @@ def use(self, paths, prefix=None, guarded=False, user_modpath=None):
         """
         raise NotImplementedError
 
-    def _generate_extension_list(self):
-        """
-        Generate a string with a list of extensions.
-
-        The name and version are separated by name_version_sep and each extension is separated by ext_sep
-        """
-        return self.app.make_extension_string()
-
-    def _generate_extensions_list(self):
-        """
-        Generate a list of all extensions in name/version format
-        """
-        exts_str = self.app.make_extension_string(name_version_sep='/', ext_sep=',')
-        return exts_str.split(',') if exts_str else []
-
     def _generate_help_text(self):
         """
         Generate syntax-independent help text used for `module help`.
@@ -671,7 +656,7 @@ def _generate_help_text(self):
             lines.extend(self._generate_section("Compatible modules", compatible_modules_txt))
 
         # Extensions (if any)
-        extensions = self._generate_extension_list()
+        extensions = self.app.make_extension_string()
         lines.extend(self._generate_section("Included extensions", '\n'.join(wrap(extensions, 78))))
 
         return '\n'.join(lines)
@@ -686,10 +671,10 @@ def _generate_multi_deps_list(self):
                 mod_list = []
                 txt = ''
                 vlist = self.app.cfg['multi_deps'].get(key)
-                for idx in range(len(vlist)):
+                for idx, version in enumerate(vlist):
                     for deplist in self.app.cfg.multi_deps:
                         for dep in deplist:
-                            if dep['name'] == key and dep['version'] == vlist[idx]:
+                            if dep['name'] == key and dep['version'] == version:
                                 modname = dep['short_mod_name']
                                 # indicate which version is loaded by default (unless that's disabled)
                                 if idx == 0 and self.app.cfg['multi_deps_load_default']:
@@ -728,7 +713,7 @@ def _generate_whatis_lines(self):
             if multi_deps:
                 whatis.append("Compatible modules: %s" % ', '.join(multi_deps))
 
-            extensions = self._generate_extension_list()
+            extensions = self.app.make_extension_string()
             if extensions:
                 whatis.append("Extensions: %s" % extensions)
 
@@ -1284,12 +1269,9 @@ def get_description(self, conflict=True):
         elif conflict:
             # conflict on 'name' part of module name (excluding version part at the end)
             lines.extend(['', 'conflict("%s")' % os.path.dirname(self.app.short_mod_name)])
-
-        if build_option('module_extensions'):
-            extensions_list = self._generate_extensions_list()
-
+            extensions_list = self.app.make_extension_string(name_version_sep='/', ext_sep=',')
             if extensions_list:
-                extensions_stmt = 'extensions("%s")' % ','.join([str(x) for x in extensions_list])
+                extensions_stmt = 'extensions("%s")' % extensions_list
                 # put this behind a Lmod version check as 'extensions' is only (well) supported since Lmod 8.2.8,
                 # see https://lmod.readthedocs.io/en/latest/330_extensions.html#module-extensions and
                 # https://github.com/TACC/Lmod/issues/428