Added some utility in disk library #3637
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@@ Coverage Diff @@
## master #3637 +/- ##
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- Coverage 69.38% 69.35% -0.03%
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Files 133 133
Lines 17015 17029 +14
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+ Hits 11806 11811 +5
- Misses 5209 5218 +9
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PraveenPenguin
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added a utility that performs the operation on io scheduler Signed-off-by: Praveen K Pandey <[email protected]>
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Hi @PraveenPenguin, so far, your code looks promising. I have made some comments, but I also would like you to check double spaces all over your docstrings. I have not added individual comments to those as it would pollute the review.
| :return: list of IO scheduler | ||
| """ | ||
| names = open(__sched_path(device_name)).read() | ||
| return names.translate(string.maketrans('[]', ' ')).split() |
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What python version are you running? I tried this code with python 3.7 and got AttributeError: module 'string' has no attribute 'maketrans'. I also found this note on python release 3.1: The string.maketrans() function is deprecated and is replaced by new static methods, bytes.maketrans() and bytearray.maketrans().
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ah let me check my setup
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| class DiskUtilsError(Exception): |
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This is an excellent intention, but I suggest you use a more specific exception, like OSError, for example.
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@beraldoleal, I agree, but it, at least, covers a more specific set of exceptions.
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@willianrampazzo idea here is it catch Exceptions for utility, right now it seems OSError but idea is that Exceptions can be reused for any exception from this utility as I am planning to add more library will use this, please let me your thought
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IMO, DiskUtilsError is better than an OSError, because tells the user that the error was in our library. But, I might be missing something.
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@beraldoleal I also agree with this @willianrampazzo please let us know your thought so we can have V2
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My initial comment was about changing class DiskUtilsError(Exception) by class DiskUtilsError(OSError) as OSError is more specific to what is been covered here, and not changing the DiskUtilsError by OSError.
But I don't have problems keeping the way it is now, it was just a suggestion to restrict the kind of exceptions covered by DiskUtilsError.
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@willianrampazzo sure but I feel we need to have DiskUtilsError having broader Exception so we need not to change it on future but when we raise it in utility we can narrow down there like in OSError case we have to expect in that utility how that sound
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Okay, I got it. Let's go with Exception.
| :param device_name: Device name example like sda , hda | ||
| :return: list of IO scheduler | ||
| """ | ||
| names = open(__sched_path(device_name)).read() |
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You are using context manager all over the code, so just for the sake of consistency, my suggestion is to use a context manager here too.
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sure make sense
| :rtype : str | ||
| """ | ||
| return re.split(r'[\[\]]', | ||
| open(__sched_path(device_name)).read())[1] |
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Same comment for the context manager here.
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@PraveenPenguin any updates here? Do you still need this or can we close? |
@beraldoleal ah i miss this will send PR soon |
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Hi @PraveenPenguin, Gentle ping here. |
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Hi @PraveenPenguin do you plan to follow up on this PR? Thank you for your answer. |
Hi @richtja , ah missed this PR my bad , will respin adopting with review comment asap , |
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Hi @PraveenPenguin gentle ping here. |
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closing this PR as raised new version of this code changes #5928 |
added a utility that performs the operation on io scheduler
Signed-off-by: Praveen K Pandey [email protected]