# HG changeset patch
# User David Barts <n5jrn@me.com>
# Date 1557788411 25200
# Node ID 57ec65f527e98315a9501b7d2bd630eaf3c08eba
# Parent  a3823da7bb4597ebfce879426507eec2355b25b1
Eliminate a stat() call, allow no code-behind on pages.

diff -r a3823da7bb45 -r 57ec65f527e9 tincan.py
--- a/tincan.py	Mon May 13 15:18:02 2019 -0700
+++ b/tincan.py	Mon May 13 16:00:11 2019 -0700
@@ -398,15 +398,24 @@
                 raise TinCanError("{0}: bad #errors code".format(self._urlpath))
             self._app.error_handler[error] = route  # XXX
 
+    def _gettime(self, path):
+        try:
+            return os.stat(path).st_mtime
+        except FileNotFoundError:
+            return 0
+
     def _getclass(self):
         pypath = os.path.normpath(os.path.join(self._fsroot, *self._splitpath(self._python)))
+        # Give 'em a default code-behind if they don't furnish one
+        pytime = self._gettime(pypath)
+        if not pytime:
+            self._class = Page
+            return
+        # Else load the code-behind from a .py file
         pycpath = pypath + 'c'
+        pyctime = self._gettime(pycpath)
         try:
-            pyctime = os.stat(pycpath).st_mtime
-        except OSError:
-            pyctime = 0
-        try:
-            if pyctime < os.stat(pypath).st_mtime:
+            if pyctime < pytime:
                 py_compile.compile(pypath, cfile=pycpath, doraise=True)
         except py_compile.PyCompileError as e:
             raise TinCanError(str(e)) from e