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binman: Tidy up pylint warnings in comp_util

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Tweak some naming and comments to resolve these. Use WriteFile() to write
the file.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2022-01-09 20:14:04 -07:00
parent ad35ce5466
commit 0d1e95aa18
5 changed files with 19 additions and 20 deletions
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19
tools/binman/comp_util.py
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@@ -8,7 +8,7 @@ import tempfile
from patman import tools
def Compress(indata, algo, with_header=True):
def compress(indata, algo, with_header=True):
"""Compress some data using a given algorithm
Note that for lzma this uses an old version of the algorithm, not that
@@ -21,11 +21,11 @@ def Compress(indata, algo, with_header=True):
called from multiple threads.
Args:
indata: Input data to compress
algo: Algorithm to use ('none', 'gzip', 'lz4' or 'lzma')
indata (bytes): Input data to compress
algo (str): Algorithm to use ('none', 'gzip', 'lz4' or 'lzma')
Returns:
Compressed data
bytes: Compressed data
"""
if algo == 'none':
return indata
@@ -51,7 +51,7 @@ def Compress(indata, algo, with_header=True):
data = hdr + data
return data
def Decompress(indata, algo, with_header=True):
def decompress(indata, algo, with_header=True):
"""Decompress some data using a given algorithm
Note that for lzma this uses an old version of the algorithm, not that
@@ -61,11 +61,11 @@ def Decompress(indata, algo, with_header=True):
directory to be previously set up, by calling PrepareOutputDir().
Args:
indata: Input data to decompress
algo: Algorithm to use ('none', 'gzip', 'lz4' or 'lzma')
indata (bytes): Input data to decompress
algo (str): Algorithm to use ('none', 'gzip', 'lz4' or 'lzma')
Returns:
Compressed data
(bytes) Compressed data
"""
if algo == 'none':
return indata
@@ -73,8 +73,7 @@ def Decompress(indata, algo, with_header=True):
data_len = struct.unpack('<I', indata[:4])[0]
indata = indata[4:4 + data_len]
fname = tools.GetOutputFilename('%s.decomp.tmp' % algo)
with open(fname, 'wb') as fd:
fd.write(indata)
tools.WriteFile(fname, indata)
if algo == 'lz4':
data = tools.Run('lz4', '-dc', fname, binary=True)
elif algo == 'lzma':