diff options
Diffstat (limited to 'Lib/fileinput.py')
| -rw-r--r-- | Lib/fileinput.py | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/Lib/fileinput.py b/Lib/fileinput.py index 879a0fdaab..de2951844a 100644 --- a/Lib/fileinput.py +++ b/Lib/fileinput.py @@ -30,7 +30,7 @@ pertaining to the last line read; nextfile() has no effect. All files are opened in text mode by default, you can override this by setting the mode parameter to input() or FileInput.__init__(). -If an I/O error occurs during opening or reading a file, the IOError +If an I/O error occurs during opening or reading a file, the OSError exception is raised. If sys.stdin is used more than once, the second and further use will @@ -222,6 +222,10 @@ class FileInput: if mode not in ('r', 'rU', 'U', 'rb'): raise ValueError("FileInput opening mode must be one of " "'r', 'rU', 'U' and 'rb'") + if 'U' in mode: + import warnings + warnings.warn("'U' mode is deprecated", + DeprecationWarning, 2) self._mode = mode if openhook: if inplace: @@ -322,9 +326,11 @@ class FileInput: if self._inplace: self._backupfilename = ( self._filename + (self._backup or ".bak")) - try: os.unlink(self._backupfilename) - except os.error: pass - # The next few lines may raise IOError + try: + os.unlink(self._backupfilename) + except OSError: + pass + # The next few lines may raise OSError os.rename(self._filename, self._backupfilename) self._file = open(self._backupfilename, self._mode) try: @@ -346,7 +352,7 @@ class FileInput: self._savestdout = sys.stdout sys.stdout = self._output else: - # This may raise IOError + # This may raise OSError if self._openhook: self._file = self._openhook(self._filename, self._mode) else: |