X-Git-Url: http://www.dolda2000.com/gitweb/?a=blobdiff_plain;f=python%2Fashd%2Fwsgidir.py;h=1fc66f9163d2702f141f129e67fc2edb18959074;hb=595adb9922885c2a05bc6917ee8f8f02f496e618;hp=6bf00b65f58f0656c966c21d03910d2309670af1;hpb=58ee5c4ab4ce9be692277b520de72735494bd9f7;p=ashd.git

diff --git a/python/ashd/wsgidir.py b/python/ashd/wsgidir.py
index 6bf00b6..1fc66f9 100644
--- a/python/ashd/wsgidir.py
+++ b/python/ashd/wsgidir.py
@@ -110,6 +110,27 @@ def getmod(path):
     finally:
         entry[0].release()
 
+def importlocal(filename):
+    import inspect
+    cf = inspect.currentframe()
+    if cf is None: raise ImportError("could not get current frame")
+    if cf.f_back is None: raise ImportError("could not get caller frame")
+    cfile = cf.f_back.f_code.co_filename
+    if not os.path.exists(cfile):
+        raise ImportError("caller is not in a proper file")
+    path = os.path.realpath(os.path.join(os.path.dirname(cfile), filename))
+    if '.' not in os.path.basename(path):
+        for ext in [".pyl", ".py"]:
+            if os.path.exists(path + ext):
+                path += ext
+                break
+        else:
+            raise ImportError("could not resolve file: " + filename)
+    else:
+        if not os.path.exists(cfile):
+            raise ImportError("no such file: " + filename)
+    return getmod(path).mod
+
 class handler(object):
     def __init__(self):
         self.lock = threading.Lock()
@@ -140,19 +161,27 @@ class handler(object):
 
     def handle(self, env, startreq):
         if not "SCRIPT_FILENAME" in env:
+            log.error("wsgidir called without SCRIPT_FILENAME set")
             return wsgiutil.simpleerror(env, startreq, 500, "Internal Error", "The server is erroneously configured.")
         path = env["SCRIPT_FILENAME"]
         if not os.access(path, os.R_OK):
+            log.error("%s: not readable" % path)
             return wsgiutil.simpleerror(env, startreq, 500, "Internal Error", "The server is erroneously configured.")
         if "HTTP_X_ASH_PYTHON_HANDLER" in env:
-            handler = self.resolve(env["HTTP_X_ASH_PYTHON_HANDLER"])
+            try:
+                handler = self.resolve(env["HTTP_X_ASH_PYTHON_HANDLER"])
+            except Exception:
+                log.error("could not load handler %s" % env["HTTP_X_ASH_PYTHON_HANDLER"], exc_info=sys.exc_info())
+                return wsgiutil.simpleerror(env, startreq, 500, "Internal Error", "The server is erroneously configured.")
         else:
             base = os.path.basename(path)
             p = base.rfind('.')
             if p < 0:
+                log.error("wsgidir called with neither X-Ash-Python-Handler nor a file extension: %s" % path)
                 return wsgiutil.simpleerror(env, startreq, 500, "Internal Error", "The server is erroneously configured.")
             ext = base[p + 1:]
             if not ext in self.exts:
+                log.error("unregistered file extension: %s" % ext)
                 return wsgiutil.simpleerror(env, startreq, 500, "Internal Error", "The server is erroneously configured.")
             handler = self.exts[ext]
         return handler(env, startreq)