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Move value bounds of segment (index) into constants module and use them instead

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nain 2023-05-27 00:11:54 -04:00
parent 3f2da1bba9
commit edb5e749f5
2 changed files with 9 additions and 3 deletions
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6
src/borg/constants.py
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@ -62,6 +62,12 @@ LIST_SCAN_LIMIT = 100000
DEFAULT_SEGMENTS_PER_DIR = 1000
# Some bounds on segment / segment_dir indexes
MIN_SEGMENT_INDEX = 0
MAX_SEGMENT_INDEX = 2**32 - 1
MIN_SEGMENT_DIR_INDEX = 0
MAX_SEGMENT_DIR_INDEX = 2**32 - 1
FD_MAX_AGE = 4 * 60 # 4 minutes
CHUNK_MIN_EXP = 19 # 2**19 == 512kiB

6
src/borg/repository.py
View file

@ -1319,7 +1319,7 @@ class LoggedIO:
safe_fadvise(fd.fileno(), 0, 0, 'DONTNEED')
fd.close()
def get_segment_dirs(self, data_dir, start_index=0, end_index=2**30):
def get_segment_dirs(self, data_dir, start_index=MIN_SEGMENT_DIR_INDEX, end_index=MAX_SEGMENT_DIR_INDEX):
"""Returns generator yielding required segment dirs in data_dir as `os.DirEntry` objects.
Start and end are inclusive.
"""
@ -1330,7 +1330,7 @@ class LoggedIO:
)
return segment_dirs
def get_segment_files(self, segment_dir, start_index=0, end_index=2**32):
def get_segment_files(self, segment_dir, start_index=MIN_SEGMENT_INDEX, end_index=MAX_SEGMENT_INDEX):
"""Returns generator yielding required segment files in segment_dir as `os.DirEntry` objects.
Start and end are inclusive.
"""
@ -1343,7 +1343,7 @@ class LoggedIO:
def segment_iterator(self, segment=None, reverse=False):
if segment is None:
segment = 0 if not reverse else 2 ** 32 - 1
segment = MIN_SEGMENT_INDEX if not reverse else MAX_SEGMENT_INDEX
start_segment_dir = segment // self.segments_per_dir
data_path = os.path.join(self.path, 'data')
if not reverse: