Demonstration of old python code using pyupgrade

.github/workflows/main.yml

@@ -95,7 +95,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - run: pip install isort pycln
+      - run: pip install pyupgrade pycln isort
+      # Ignore adodbapi until this has been manually ran and merged in adodbapi code
+      # _dbgscript.py is non-UTF8 on purpose, which is not supported
+      # TODO: Progressively remove the keep-* flags and add --py38-plus
+      - run: pyupgrade --keep-percent-format --keep-mock --keep-runtime-typing $(git ls-files '**.py*' ':!:adodbapi/*' ':!:Pythonwin/pywin/test/_dbgscript.py')
       - run: pycln . --config=pycln.toml --check
       - run: isort . --diff --check-only
       - uses: psf/black@stable

AutoDuck/Dump2HHC.py

@@ -465,7 +465,7 @@ def main():
     cats = parseCategories()
     for cat in cats:
         file = os.path.join(gen_dir, cat.dump_file)
-        input = open(file, "r")
+        input = open(file)
         parseTopics(cat, input)
         input.close()
 

AutoDuck/InsertExternalOverviews.py

@@ -51,7 +51,7 @@ def main():
         print("Invalid args")
         sys.exit(1)
     file = sys.argv[1]
-    input = open(file, "r")
+    input = open(file)
     out = open(file + ".2", "w")
     doc = document_object.GetDocument()
     linksHTML = genLinksHTML(doc.links)

AutoDuck/TOCToHHK.py

@@ -11,7 +11,7 @@
 def main():
     file = sys.argv[1]
     output = sys.argv[2]
-    input = open(file, "r")
+    input = open(file)
     out = open(output, "w")
     line = input.readline()
     out.write(

Pythonwin/Scintilla/src/LexGen.py

@@ -107,7 +107,7 @@ def UpdateFile(filename, updated):
     it as modified."""
     try:
         infile = open(filename, "rb")
-    except IOError:  # File is not there yet
+    except OSError:  # File is not there yet
         out = open(filename, "wb")
         out.write(updated)
         out.close()
@@ -135,8 +135,8 @@ def Generate(inpath, outpath, commentPrefix, eolType, *lists):
     # print "generate '%s' -> '%s' (comment prefix: %r, eols: %r)"\
     #      % (inpath, outpath, commentPrefix, eolType)
     try:
-        infile = open(inpath, "r")
-    except IOError:
+        infile = open(inpath)
+    except OSError:
         print("Can not open", inpath)
         return
     original = infile.read()

Pythonwin/pywin/framework/app.py

@@ -379,7 +379,7 @@ def OnInitDialog(self):
                 open(os.path.join(site_packages, "pywin32.version.txt")).read().strip()
             )
             ver = "pywin32 build %s" % build_no
-        except EnvironmentError:
+        except OSError:
             ver = None
         if ver is None:
             # See if we are Part of Active Python

Pythonwin/pywin/framework/bitmap.py

@@ -28,7 +28,7 @@ def OnOpenDocument(self, filename):
         try:
             try:
                 self.bitmap.LoadBitmapFile(f)
-            except IOError:
+            except OSError:
                 win32ui.MessageBox("Could not load the bitmap from %s" % filename)
                 return 0
         finally:

Pythonwin/pywin/framework/editor/document.py

@@ -78,11 +78,11 @@ def OnSaveDocument(self, fileName):
             # and the file may be a hard-link, causing the link
             # to follow the backup.
             shutil.copy2(fileName, bakFileName)
-        except (os.error, NameError, IOError):
+        except (os.error, NameError, OSError):
             pass
         try:
             self.SaveFile(fileName)
-        except IOError as details:
+        except OSError as details:
             win32ui.MessageBox("Error - could not save file\r\n\r\n%s" % details)
             return 0
         except (UnicodeEncodeError, LookupError) as details:
@@ -99,7 +99,7 @@ def OnSaveDocument(self, fileName):
             if rc == win32con.IDYES:
                 try:
                     self.SaveFile(fileName, encoding="latin-1")
-                except IOError as details:
+                except OSError as details:
                     win32ui.MessageBox(
                         "Error - could not save file\r\n\r\n%s" % details
                     )

Pythonwin/pywin/framework/editor/editor.py

@@ -101,7 +101,7 @@ def OnOpenDocument(self, filename):
         win32ui.SetStatusText("Loading file...", 1)
         try:
             f = open(filename, "rb")
-        except IOError:
+        except OSError:
             win32ui.MessageBox(
                 filename
                 + "\nCan not find this file\nPlease verify that the correct path and file name are given"

Pythonwin/pywin/framework/mdi_pychecker.py

@@ -210,7 +210,7 @@ def OnOpenDocument(self, fnm):
         # and starting a new grep can communicate the default parameters to the
         # new grep.
         try:
-            params = open(fnm, "r").read()
+            params = open(fnm).read()
         except:
             params = None
         self.setInitParams(params)
@@ -386,7 +386,7 @@ def _inactive_idleHandler(self, handler, count):
             if self.verbose:
                 self.GetFirstView().Append("# .." + f + "\n")
             win32ui.SetStatusText("Searching " + f, 0)
-            lines = open(f, "r").readlines()
+            lines = open(f).readlines()
             for i in range(len(lines)):
                 line = lines[i]
                 if self.pat.search(line) is not None:

Pythonwin/pywin/framework/scriptutils.py

@@ -101,8 +101,8 @@ def IsOnPythonPath(path):
 
 def GetPackageModuleName(fileName):
     """Given a filename, return (module name, new path).
-    eg - given "c:\a\b\c\my.py", return ("b.c.my",None) if "c:\a" is on sys.path.
-    If no package found, will return ("my", "c:\a\b\c")
+    eg - given "c:\a\b\\c\\my.py", return ("b.c.my",None) if "c:\a" is on sys.path.
+    If no package found, will return ("my", "c:\a\b\\c")
     """
     path, fname = os.path.split(fileName)
     path = origPath = win32ui.FullPath(path)
@@ -308,7 +308,7 @@ def RunScript(defName=None, defArgs=None, bShowDialog=1, debuggingType=None):
     # So: do the binary thing and manually normalize \r\n.
     try:
         f = open(script, "rb")
-    except IOError as exc:
+    except OSError as exc:
         win32ui.MessageBox(
             "The file could not be opened - %s (%d)" % (exc.strerror, exc.errno)
         )
@@ -505,7 +505,7 @@ def CheckFile():
     win32ui.DoWaitCursor(1)
     try:
         f = open(pathName)
-    except IOError as details:
+    except OSError as details:
         print("Cant open file '%s' - %s" % (pathName, details))
         return
     try:

Pythonwin/pywin/framework/sgrepmdi.py

@@ -191,7 +191,7 @@ def OnOpenDocument(self, fnm):
         # and starting a new grep can communicate the default parameters to the
         # new grep.
         try:
-            params = open(fnm, "r").read()
+            params = open(fnm).read()
         except:
             params = None
         self.setInitParams(params)
@@ -299,7 +299,7 @@ def SearchFile(self, handler, count):
             #  while grep is running
             if os.path.isfile(f):
                 win32ui.SetStatusText("Searching " + f, 0)
-                lines = open(f, "r").readlines()
+                lines = open(f).readlines()
                 for i in range(len(lines)):
                     line = lines[i]
                     if self.pat.search(line) is not None:

Pythonwin/pywin/framework/winout.py

@@ -60,7 +60,7 @@ def OnSaveDocument(self, fileName):
         win32ui.SetStatusText("Saving file...", 1)
         try:
             self.SaveFile(fileName)
-        except IOError as details:
+        except OSError as details:
             win32ui.MessageBox("Error - could not save file\r\n\r\n%s" % details)
             return 0
         win32ui.SetStatusText("Ready")

Pythonwin/pywin/scintilla/config.py

@@ -119,7 +119,7 @@ def __init__(self, f):
                             return  # We are ready to roll!
                 finally:
                     cf.close()
-            except (os.error, IOError, EOFError):
+            except (os.error, OSError, EOFError):
                 pass
             fp = open(f)
             b_close = True
@@ -167,7 +167,7 @@ def __init__(self, f):
                 marshal.dump(src_stat[stat.ST_MTIME], cf)
                 marshal.dump(self.cache, cf)
                 cf.close()
-            except (IOError, EOFError):
+            except (OSError, EOFError):
                 pass  # Ignore errors - may be read only.
 
     def configure(self, editor, subsections=None):

Pythonwin/pywin/scintilla/document.py

@@ -47,7 +47,7 @@ def OnOpenDocument(self, filename):
                 self._LoadTextFromFile(f)
             finally:
                 f.close()
-        except IOError:
+        except OSError:
             rc = win32ui.MessageBox(
                 "Could not load the file from %s\n\nDo you want to create a new file?"
                 % filename,
@@ -63,7 +63,7 @@ def OnOpenDocument(self, filename):
                     self._LoadTextFromFile(f)
                 finally:
                     f.close()
-            except IOError as e:
+            except OSError as e:
                 rc = win32ui.MessageBox("Cannot create the file %s" % filename)
         return 1
 

Pythonwin/pywin/tools/__init__.py

@@ -1 +0,0 @@
-

com/win32com/client/gencache.py

@@ -61,7 +61,7 @@ def __init__():
     # Initialize the module.  Called once explicitly at module import below.
     try:
         _LoadDicts()
-    except IOError:
+    except OSError:
         Rebuild()
 
 
@@ -100,7 +100,7 @@ def _LoadDicts():
         except AttributeError:
             # The __loader__ has no get_data method.  See below.
             return
-        except IOError:
+        except OSError:
             # Our gencache is in a .zip file (and almost certainly readonly)
             # but no dicts file.  That actually needn't be fatal for a frozen
             # application.  Assuming they call "EnsureModule" with the same

com/win32com/client/genpy.py

@@ -1036,7 +1036,7 @@ def open_writer(self, filename, encoding="mbcs"):
         # don't step on each others' toes.
         # Could be a classmethod one day...
         temp_filename = self.get_temp_filename(filename)
-        return open(temp_filename, "wt", encoding=encoding)
+        return open(temp_filename, "w", encoding=encoding)
 
     def finish_writer(self, filename, f, worked):
         f.close()

com/win32com/client/makepy.py

@@ -425,7 +425,7 @@ def main():
         path = os.path.dirname(outputName)
         if path != "" and not os.path.exists(path):
             os.makedirs(path)
-        f = open(outputName, "wt", encoding="mbcs")
+        f = open(outputName, "w", encoding="mbcs")
 
     else:
         f = None

com/win32com/demos/excelAddin.py

@@ -156,7 +156,7 @@ def UnregisterAddin(klass):
             winreg.HKEY_CURRENT_USER,
             "Software\\Microsoft\\Office\\Excel\\Addins\\" + klass._reg_progid_,
         )
-    except WindowsError:
+    except OSError:
         pass
 
 

com/win32com/demos/excelRTDServer.py

@@ -132,7 +132,7 @@ class ExcelRTDServer:
 
     def __init__(self):
         """Constructor"""
-        super(ExcelRTDServer, self).__init__()
+        super().__init__()
         self.IsAlive = self.ALIVE
         self.__callback = None
         self.topics = {}
@@ -266,7 +266,7 @@ class RTDTopic:
     The others are more for convenience."""
 
     def __init__(self, TopicStrings):
-        super(RTDTopic, self).__init__()
+        super().__init__()
         self.TopicStrings = TopicStrings
         self.__currentValue = None
         self.__dirty = False
@@ -332,7 +332,7 @@ class TimeServer(ExcelRTDServer):
     INTERVAL = 0.5  # secs. Threaded timer will wake us up at this interval.
 
     def __init__(self):
-        super(TimeServer, self).__init__()
+        super().__init__()
 
         # Simply timer thread to ensure we get to update our topics, and
         # tell excel about any changes. This is a pretty basic and dirty way to
@@ -384,7 +384,7 @@ class TimeTopic(RTDTopic):
     """
 
     def __init__(self, TopicStrings):
-        super(TimeTopic, self).__init__(TopicStrings)
+        super().__init__(TopicStrings)
         try:
             self.cmd, self.delay = self.TopicStrings
         except Exception as E:

com/win32com/demos/iebutton.py

@@ -1,5 +1,3 @@
-# -*- coding: latin-1 -*-
-
 # PyWin32 Internet Explorer Button
 #
 # written by Leonard Ritter (paniq@gmx.net)
@@ -157,7 +155,7 @@ def register(classobj):
         winreg.SetValueEx(hKey, "ToolTip", 0, winreg.REG_SZ, classobj._tool_tip_)
         winreg.SetValueEx(hKey, "Icon", 0, winreg.REG_SZ, classobj._icon_)
         winreg.SetValueEx(hKey, "HotIcon", 0, winreg.REG_SZ, classobj._hot_icon_)
-    except WindowsError:
+    except OSError:
         print("Couldn't set standard toolbar reg keys.")
     else:
         print("Set standard toolbar reg keys.")
@@ -180,7 +178,7 @@ def unregister(classobj):
         winreg.DeleteValue(hKey, "Icon")
         winreg.DeleteValue(hKey, "HotIcon")
         winreg.DeleteKey(winreg.HKEY_LOCAL_MACHINE, subKeyCLSID)
-    except WindowsError:
+    except OSError:
         print("Couldn't delete Standard toolbar regkey.")
     else:
         print("Deleted Standard toolbar regkey.")

com/win32com/demos/ietoolbar.py

@@ -1,5 +1,3 @@
-# -*- coding: latin-1 -*-
-
 # PyWin32 Internet Explorer Toolbar
 #
 # written by Leonard Ritter (paniq@gmx.net)
@@ -328,7 +326,7 @@ def DllRegisterServer():
         subKey = winreg.SetValueEx(
             hkey, comclass._reg_clsid_, 0, winreg.REG_BINARY, "\0"
         )
-    except WindowsError:
+    except OSError:
         print(
             "Couldn't set registry value.\nhkey: %d\tCLSID: %s\n"
             % (hkey, comclass._reg_clsid_)
@@ -351,7 +349,7 @@ def DllUnregisterServer():
             winreg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Internet Explorer\\Toolbar"
         )
         winreg.DeleteValue(hkey, comclass._reg_clsid_)
-    except WindowsError:
+    except OSError:
         print(
             "Couldn't delete registry value.\nhkey: %d\tCLSID: %s\n"
             % (hkey, comclass._reg_clsid_)

com/win32com/demos/outlookAddin.py

@@ -124,7 +124,7 @@ def UnregisterAddin(klass):
             winreg.HKEY_CURRENT_USER,
             "Software\\Microsoft\\Office\\Outlook\\Addins\\" + klass._reg_progid_,
         )
-    except WindowsError:
+    except OSError:
         pass
 
 

com/win32com/makegw/makegwparse.py

@@ -17,12 +17,12 @@
 
 class error_not_found(Exception):
     def __init__(self, msg="The requested item could not be found"):
-        super(error_not_found, self).__init__(msg)
+        super().__init__(msg)
 
 
 class error_not_supported(Exception):
     def __init__(self, msg="The required functionality is not supported"):
-        super(error_not_supported, self).__init__(msg)
+        super().__init__(msg)
 
 
 VERBOSE = 0

com/win32com/olectl.py

@@ -9,7 +9,7 @@
 
 
 def MAKE_SCODE(sev, fac, code):
-    return int((int(-sev) << 31) | ((fac) << 16) | ((code)))
+    return int((int(-sev) << 31) | ((fac) << 16) | (code))
 
 
 def STD_CTL_SCODE(n):

com/win32com/test/testIterators.py

@@ -132,7 +132,7 @@ def suite():
             and issubclass(item, unittest.TestCase)
             and item != _BaseTestCase
         ):
-            suite.addTest(unittest.makeSuite(item))
+            suite.addTest(unittest.defaultTestLoader.loadTestsFromTestCase(item))
     return suite