Added except catching for Python2.

When reading a file for which Ranger doesn't have permissions, Python3
throws an OSError. Python2 on the other hand throws a IOError, which
wasn't being caught and caused Ranger to crash. IOError was added to
catch statements for this reason.

2 files changed, 4 insertions, 2 deletions

diff --git a/ranger/container/file.py b/ranger/container/file.py
index 17ca577c..83942671 100644
--- a/ranger/container/file.py
+++ b/ranger/container/file.py
@@ -58,7 +58,8 @@ class File(FileSystemObject):
         try:
             with open(self.path, 'rb') as fobj:
                 self._firstbytes = set(fobj.read(N_FIRST_BYTES))
-        except OSError:
+        # IOError for Python2, OSError for Python3
+        except (IOError, OSError):
             return None
         return self._firstbytes
 
diff --git a/ranger/core/actions.py b/ranger/core/actions.py
index 0298af19..aef0d205 100644
--- a/ranger/core/actions.py
+++ b/ranger/core/actions.py
@@ -978,7 +978,8 @@ class Actions(  # pylint: disable=too-many-instance-attributes,too-many-public-m
         if not self.settings.preview_script or not self.settings.use_preview_script:
             try:
                 return codecs.open(path, 'r', errors='ignore')
-            except OSError:
+            # IOError for Python2, OSError for Python3
+            except (IOError, OSError):
                 return None
 
         # self.previews is a 2 dimensional dict: