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import sys
import imp
import glob
import Bcfg2.Server.Lint
from Bcfg2.Server.Plugins.TemplateHelper import HelperModule
class TemplateHelper(Bcfg2.Server.Lint.ServerlessPlugin):
""" find duplicate Pkgmgr entries with the same priority """
def __init__(self, *args, **kwargs):
Bcfg2.Server.Lint.ServerlessPlugin.__init__(self, *args, **kwargs)
hm = HelperModule("foo.py", None, None)
self.reserved_keywords = dir(hm)
def Run(self):
for helper in glob.glob("%s/TemplateHelper/*.py" % self.config['repo']):
if not self.HandlesFile(helper):
continue
match = HelperModule._module_name_re.search(helper)
if match:
module_name = match.group(1)
else:
module_name = helper
try:
module = imp.load_source(module_name, helper)
except:
err = sys.exc_info()[1]
self.LintError("templatehelper-import-error",
"Failed to import %s: %s" %
(helper, err))
continue
if not hasattr(module, "__export__"):
self.LintError("templatehelper-no-export",
"%s has no __export__ list" % helper)
continue
elif not isinstance(module.__export__, list):
self.LintError("templatehelper-nonlist-export",
"__export__ is not a list in %s" % helper)
continue
for sym in module.__export__:
if not hasattr(module, sym):
self.LintError("templatehelper-nonexistent-export",
"%s: exported symbol %s does not exist" %
(helper, sym))
elif sym in self.reserved_keywords:
self.LintError("templatehelper-reserved-export",
"%s: exported symbol %s is reserved" %
(helper, sym))
elif sym.startswith("_"):
self.LintError("templatehelper-underscore-export",
"%s: exported symbol %s starts with underscore" %
(helper, sym))
@classmethod
def Errors(cls):
return {"templatehelper-import-error":"error",
"templatehelper-no-export":"error",
"templatehelper-nonlist-export":"error",
"templatehelper-nonexistent-export":"error",
"templatehelper-reserved-export":"error",
"templatehelper-underscore-export":"warning"}
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