1 files changed, 19 insertions, 22 deletions

diff --git a/Lib/platform.py b/Lib/platform.py
index 2b8a24a..5951efb 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -122,7 +122,7 @@ try:
 except AttributeError:
     # os.devnull was added in Python 2.4, so emulate it for earlier
     # Python versions
-    if sys.platform in ('dos','win32','win16','os2'):
+    if sys.platform in ('dos','win32','win16'):
         # Use the old CP/M NUL as device name
         DEV_NULL = 'NUL'
     else:
@@ -316,7 +316,7 @@ def linux_distribution(distname='', version='', id='',
     """
     try:
         etc = os.listdir('/etc')
-    except os.error:
+    except OSError:
         # Probably not a Unix system
         return distname,version,id
     etc.sort()
@@ -403,13 +403,13 @@ _ver_output = re.compile(r'(?:([\w ]+) ([\w.]+) '
 
 def _syscmd_ver(system='', release='', version='',
 
-               supported_platforms=('win32','win16','dos','os2')):
+               supported_platforms=('win32','win16','dos')):
 
     """ Tries to figure out the OS version used and returns
         a tuple (system,release,version).
 
         It uses the "ver" shell command for this which is known
-        to exists on Windows, DOS and OS/2. XXX Others too ?
+        to exists on Windows, DOS. XXX Others too ?
 
         In case this fails, the given parameters are used as
         defaults.
@@ -424,13 +424,10 @@ def _syscmd_ver(system='', release='', version='',
             pipe = popen(cmd)
             info = pipe.read()
             if pipe.close():
-                raise os.error('command failed')
+                raise OSError('command failed')
             # XXX How can I suppress shell errors from being written
             #     to stderr ?
-        except os.error as why:
-            #print 'Command %s failed: %s' % (cmd,why)
-            continue
-        except IOError as why:
+        except OSError as why:
             #print 'Command %s failed: %s' % (cmd,why)
             continue
         else:
@@ -463,7 +460,7 @@ def _win32_getvalue(key,name,default=''):
     try:
         # Use win32api if available
         from win32api import RegQueryValueEx
-    except ImportError:
+    except ModuleNotFoundError:
         # On Python 2.0 and later, emulate using winreg
         import winreg
         RegQueryValueEx = winreg.QueryValueEx
@@ -506,7 +503,7 @@ def win32_ver(release='',version='',csd='',ptype=''):
              RegCloseKey, GetVersionEx
         from win32con import HKEY_LOCAL_MACHINE, VER_PLATFORM_WIN32_NT, \
              VER_PLATFORM_WIN32_WINDOWS, VER_NT_WORKSTATION
-    except ImportError:
+    except ModuleNotFoundError:
         # Emulate the win32api module using Python APIs
         try:
             sys.getwindowsversion
@@ -581,7 +578,7 @@ def win32_ver(release='',version='',csd='',ptype=''):
                     # Discard any type that isn't REG_SZ
                     if type == REG_SZ and name.find("Server") != -1:
                         product_type = VER_NT_SERVER
-                except WindowsError:
+                except OSError:
                     # Use default of VER_NT_WORKSTATION
                     pass
 
@@ -664,7 +661,7 @@ def _mac_ver_gestalt():
     # Check whether the version info module is available
     try:
         import _gestalt
-    except ImportError:
+    except ModuleNotFoundError:
         return None
     # Get the infos
     sysv, sysa = _mac_ver_lookup(('sysv','sysa'))
@@ -700,7 +697,7 @@ def _mac_ver_xml():
 
     try:
         import plistlib
-    except ImportError:
+    except ModuleNotFoundError:
         return None
 
     pl = plistlib.readPlist(fn)
@@ -765,7 +762,7 @@ def java_ver(release='',vendor='',vminfo=('','',''),osinfo=('','','')):
     # Import the needed APIs
     try:
         import java.lang
-    except ImportError:
+    except ModuleNotFoundError:
         return release,vendor,vminfo,osinfo
 
     vendor = _java_getprop('java.vendor', vendor)
@@ -877,12 +874,12 @@ def _node(default=''):
     """
     try:
         import socket
-    except ImportError:
+    except ModuleNotFoundError:
         # No sockets...
         return default
     try:
         return socket.gethostname()
-    except socket.error:
+    except OSError:
         # Still not working...
         return default
 
@@ -901,12 +898,12 @@ def _syscmd_uname(option,default=''):
 
     """ Interface to the system's uname command.
     """
-    if sys.platform in ('dos','win32','win16','os2'):
+    if sys.platform in ('dos','win32','win16'):
         # XXX Others too ?
         return default
     try:
         f = os.popen('uname %s 2> %s' % (option, DEV_NULL))
-    except (AttributeError,os.error):
+    except (AttributeError, OSError):
         return default
     output = f.read().strip()
     rc = f.close()
@@ -924,7 +921,7 @@ def _syscmd_file(target,default=''):
         default in case the command should fail.
 
     """
-    if sys.platform in ('dos','win32','win16','os2'):
+    if sys.platform in ('dos','win32','win16'):
         # XXX Others too ?
         return default
     target = _follow_symlinks(target)
@@ -932,7 +929,7 @@ def _syscmd_file(target,default=''):
         proc = subprocess.Popen(['file', target],
                 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
 
-    except (AttributeError,os.error):
+    except (AttributeError, OSError):
         return default
     output = proc.communicate()[0].decode('latin-1')
     rc = proc.wait()
@@ -1141,7 +1138,7 @@ def uname():
         # Get processor information
         try:
             import vms_lib
-        except ImportError:
+        except ModuleNotFoundError:
             pass
         else:
             csid, cpu_number = vms_lib.getsyi('SYI$_CPU',0)