deal with the ENOENT problem in statfiles()

tests/test_utils.py

@@ -2,6 +2,7 @@
 from __future__ import absolute_import, division, print_function
 
 import os
+import uuid
 import unittest
 from tempfile import NamedTemporaryFile as ntf
 
@@ -86,6 +87,13 @@ class Test_statfiles(unittest.TestCase):
         self.assertIsInstance(statinfo, dict)
         self.assertTrue(__file__ in statinfo)
 
+    def test_statfiles_nonexistent_file(self):
+        here = os.path.dirname(os.path.abspath(__file__))
+        this = os.path.join(here, str(uuid.uuid4()))
+        statinfo = statfiles(this)
+        self.assertIsInstance(statinfo, dict)
+        self.assertEquals(0, len(statinfo))
+
 
 class Test_att_statinfo(unittest.TestCase):
 

tldp/utils.py

@@ -12,6 +12,7 @@ import functools
 from tempfile import mkstemp
 import logging
 
+logdir = 'tldp-document-build-logs'
 
 def getLogger(**opts):
     level = opts.get('level', logging.INFO)
@@ -90,17 +91,23 @@ def statfile(name):
             raise e
         if os.path.islink(name):
             st = os.lstat(name)
+        else:
+            st = None
     return st
 
 
 def statfiles(name, relative=None):
     statinfo = dict()
+    if not os.path.exists(name):
+        return statinfo
     if not os.path.isdir(name):
         if relative:
             relpath = os.path.relpath(name, start=relative)
         else:
             relpath = name
         statinfo[relpath] = statfile(name)
+        if statinfo[relpath] is None:
+            del statinfo[relpath]
     else:
         for root, dirs, files in os.walk(name):
             for x in files:
@@ -110,6 +117,8 @@ def statfiles(name, relative=None):
                 else:
                     relpath = foundpath
                 statinfo[relpath] = statfile(foundpath)
+                if statinfo[relpath] is None:
+                    del statinfo[relpath]
     return statinfo