Difference between io.FileIO and open() in binary mode
They produce the same result based on checksum:
with open('openb', 'wb') as f:
f.write(b'asdf')
with io.FileIO('fileio', 'w') as f:
f.write(b'asdf')
Is there any difference between them? When should one method be used instead of the other?
python-3.x file-io
asked Nov 22 '18 at 13:49
dtgqdtgq
1,22421640
add a comment |
They produce the same result based on checksum:
with open('openb', 'wb') as f:
f.write(b'asdf')
with io.FileIO('fileio', 'w') as f:
f.write(b'asdf')
Is there any difference between them? When should one method be used instead of the other?
python-3.x file-io
asked Nov 22 '18 at 13:49
dtgqdtgq
1,22421640
add a comment |
They produce the same result based on checksum:
with open('openb', 'wb') as f:
f.write(b'asdf')
with io.FileIO('fileio', 'w') as f:
f.write(b'asdf')
Is there any difference between them? When should one method be used instead of the other?
python-3.x file-io
asked Nov 22 '18 at 13:49
dtgqdtgq
1,22421640
They produce the same result based on checksum:
with open('openb', 'wb') as f:
f.write(b'asdf')
with io.FileIO('fileio', 'w') as f:
f.write(b'asdf')
Is there any difference between them? When should one method be used instead of the other?
python-3.x file-io
python-3.x file-io
asked Nov 22 '18 at 13:49
dtgqdtgq
1,22421640
asked Nov 22 '18 at 13:49
dtgqdtgq
1,22421640
asked Nov 22 '18 at 13:49
dtgqdtgq
1,22421640
asked Nov 22 '18 at 13:49
dtgqdtgq
1,22421640
asked Nov 22 '18 at 13:49
dtgqdtgq
1,22421640
1,22421640
add a comment |
add a comment |
1 Answer
1
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oldest
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Actually the open() method will create an io.BufferedWriter which inherits from IOBase and FileIO also inherits from IOBase. Though not exactly the same classes, they support basically identical functionality. I suppose you could use FileIO if you know you don't need buffering. There's a lot of info on the python io docs page
The most important sentence there is:
Raw binary I/O typically provides low-level access to an underlying OS device or API, and does not try to encapsulate it in high-level primitives (this is left to Buffered I/O and Text I/O, described later in this page).
Raw binary I/O relates to io.FileIO and Buffered I/O to the io.BufferedWriter (open() method)
answered Nov 22 '18 at 14:26
BorisuBorisu
42528
So would it be correct to say thatopen()is optimized for calling.write()multiple times, but it is the same asio.FileIOif only calling.write()once?
– dtgq
Nov 22 '18 at 14:39
Honestly I haven't thought of that, but I think it is indeed correct to assume that.
– Borisu
Nov 22 '18 at 14:50
add a comment |
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1 Answer
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1 Answer
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active
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Actually the open() method will create an io.BufferedWriter which inherits from IOBase and FileIO also inherits from IOBase. Though not exactly the same classes, they support basically identical functionality. I suppose you could use FileIO if you know you don't need buffering. There's a lot of info on the python io docs page
The most important sentence there is:
Raw binary I/O typically provides low-level access to an underlying OS device or API, and does not try to encapsulate it in high-level primitives (this is left to Buffered I/O and Text I/O, described later in this page).
Raw binary I/O relates to io.FileIO and Buffered I/O to the io.BufferedWriter (open() method)
answered Nov 22 '18 at 14:26
BorisuBorisu
42528
So would it be correct to say thatopen()is optimized for calling.write()multiple times, but it is the same asio.FileIOif only calling.write()once?
– dtgq
Nov 22 '18 at 14:39
Honestly I haven't thought of that, but I think it is indeed correct to assume that.
– Borisu
Nov 22 '18 at 14:50
add a comment |
Actually the open() method will create an io.BufferedWriter which inherits from IOBase and FileIO also inherits from IOBase. Though not exactly the same classes, they support basically identical functionality. I suppose you could use FileIO if you know you don't need buffering. There's a lot of info on the python io docs page
The most important sentence there is:
Raw binary I/O typically provides low-level access to an underlying OS device or API, and does not try to encapsulate it in high-level primitives (this is left to Buffered I/O and Text I/O, described later in this page).
Raw binary I/O relates to io.FileIO and Buffered I/O to the io.BufferedWriter (open() method)
answered Nov 22 '18 at 14:26
BorisuBorisu
42528
So would it be correct to say thatopen()is optimized for calling.write()multiple times, but it is the same asio.FileIOif only calling.write()once?
– dtgq
Nov 22 '18 at 14:39
Honestly I haven't thought of that, but I think it is indeed correct to assume that.
– Borisu
Nov 22 '18 at 14:50
add a comment |
Actually the open() method will create an io.BufferedWriter which inherits from IOBase and FileIO also inherits from IOBase. Though not exactly the same classes, they support basically identical functionality. I suppose you could use FileIO if you know you don't need buffering. There's a lot of info on the python io docs page
The most important sentence there is:
Raw binary I/O typically provides low-level access to an underlying OS device or API, and does not try to encapsulate it in high-level primitives (this is left to Buffered I/O and Text I/O, described later in this page).
Raw binary I/O relates to io.FileIO and Buffered I/O to the io.BufferedWriter (open() method)
answered Nov 22 '18 at 14:26
BorisuBorisu
42528
Actually the open() method will create an io.BufferedWriter which inherits from IOBase and FileIO also inherits from IOBase. Though not exactly the same classes, they support basically identical functionality. I suppose you could use FileIO if you know you don't need buffering. There's a lot of info on the python io docs page
The most important sentence there is:
Raw binary I/O typically provides low-level access to an underlying OS device or API, and does not try to encapsulate it in high-level primitives (this is left to Buffered I/O and Text I/O, described later in this page).
Raw binary I/O relates to io.FileIO and Buffered I/O to the io.BufferedWriter (open() method)
answered Nov 22 '18 at 14:26
BorisuBorisu
42528
edited Nov 22 '18 at 14:36
answered Nov 22 '18 at 14:26
BorisuBorisu
42528
answered Nov 22 '18 at 14:26
BorisuBorisu
42528
answered Nov 22 '18 at 14:26
BorisuBorisu
42528
42528
So would it be correct to say thatopen()is optimized for calling.write()multiple times, but it is the same asio.FileIOif only calling.write()once?
– dtgq
Nov 22 '18 at 14:39
Honestly I haven't thought of that, but I think it is indeed correct to assume that.
– Borisu
Nov 22 '18 at 14:50
add a comment |
So would it be correct to say thatopen()is optimized for calling.write()multiple times, but it is the same asio.FileIOif only calling.write()once?
– dtgq
Nov 22 '18 at 14:39
Honestly I haven't thought of that, but I think it is indeed correct to assume that.
– Borisu
Nov 22 '18 at 14:50
So would it be correct to say that
open() is optimized for calling .write() multiple times, but it is the same as io.FileIO if only calling .write() once?– dtgq
Nov 22 '18 at 14:39
So would it be correct to say that
open() is optimized for calling .write() multiple times, but it is the same as io.FileIO if only calling .write() once?– dtgq
Nov 22 '18 at 14:39
Honestly I haven't thought of that, but I think it is indeed correct to assume that.
– Borisu
Nov 22 '18 at 14:50
Honestly I haven't thought of that, but I think it is indeed correct to assume that.
– Borisu
Nov 22 '18 at 14:50
add a comment |
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