Replace IOError with OSError (#16715)
diff --git a/Lib/gzip.py b/Lib/gzip.py
index 998a8e5..698f0c2 100644
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -287,10 +287,10 @@
raise EOFError("Reached EOF")
if magic != b'\037\213':
- raise IOError('Not a gzipped file')
+ raise OSError('Not a gzipped file')
method = ord( self.fileobj.read(1) )
if method != 8:
- raise IOError('Unknown compression method')
+ raise OSError('Unknown compression method')
flag = ord( self.fileobj.read(1) )
self.mtime = read32(self.fileobj)
# extraflag = self.fileobj.read(1)
@@ -326,7 +326,7 @@
self._check_closed()
if self.mode != WRITE:
import errno
- raise IOError(errno.EBADF, "write() on read-only GzipFile object")
+ raise OSError(errno.EBADF, "write() on read-only GzipFile object")
if self.fileobj is None:
raise ValueError("write() on closed GzipFile object")
@@ -347,7 +347,7 @@
self._check_closed()
if self.mode != READ:
import errno
- raise IOError(errno.EBADF, "read() on write-only GzipFile object")
+ raise OSError(errno.EBADF, "read() on write-only GzipFile object")
if self.extrasize <= 0 and self.fileobj is None:
return b''
@@ -380,7 +380,7 @@
self._check_closed()
if self.mode != READ:
import errno
- raise IOError(errno.EBADF, "read1() on write-only GzipFile object")
+ raise OSError(errno.EBADF, "read1() on write-only GzipFile object")
if self.extrasize <= 0 and self.fileobj is None:
return b''
@@ -404,7 +404,7 @@
def peek(self, n):
if self.mode != READ:
import errno
- raise IOError(errno.EBADF, "peek() on write-only GzipFile object")
+ raise OSError(errno.EBADF, "peek() on write-only GzipFile object")
# Do not return ridiculously small buffers, for one common idiom
# is to call peek(1) and expect more bytes in return.
@@ -487,10 +487,10 @@
crc32 = read32(self.fileobj)
isize = read32(self.fileobj) # may exceed 2GB
if crc32 != self.crc:
- raise IOError("CRC check failed %s != %s" % (hex(crc32),
+ raise OSError("CRC check failed %s != %s" % (hex(crc32),
hex(self.crc)))
elif isize != (self.size & 0xffffffff):
- raise IOError("Incorrect length of data produced")
+ raise OSError("Incorrect length of data produced")
# Gzip files can be padded with zeroes and still have archives.
# Consume all zero bytes and set the file position to the first
@@ -539,7 +539,7 @@
'''Return the uncompressed stream file position indicator to the
beginning of the file'''
if self.mode != READ:
- raise IOError("Can't rewind in write mode")
+ raise OSError("Can't rewind in write mode")
self.fileobj.seek(0)
self._new_member = True
self.extrabuf = b""
@@ -564,7 +564,7 @@
raise ValueError('Seek from end not supported')
if self.mode == WRITE:
if offset < self.offset:
- raise IOError('Negative seek in write mode')
+ raise OSError('Negative seek in write mode')
count = offset - self.offset
chunk = bytes(1024)
for i in range(count // 1024):