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Merge "releasetools: RangeSet.monotonic is not an optional attribute." am: acb3cecc46 

am: c6b824ba96

Change-Id: I58685e0b462964078147c5bc906d52d11d74668c
This commit is contained in:
Tao Bao 2018-02-08 05:17:24 +00:00 committed by android-build-merger
parent 95a7d377a3 c6b824ba96
commit 93c09cb740
2 changed files with 22 additions and 14 deletions
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3
tools/releasetools/blockimgdiff.py
View File

@ -191,8 +191,7 @@ class Transfer(object):
self.tgt_sha1 = tgt_sha1
self.src_sha1 = src_sha1
self.style = style
self.intact = (getattr(tgt_ranges, "monotonic", False) and
getattr(src_ranges, "monotonic", False))
self.intact = tgt_ranges.monotonic and src_ranges.monotonic
# We use OrderedDict rather than dict so that the output is repeatable;
# otherwise it would depend on the hash values of the Transfer objects.

33
tools/releasetools/rangelib.py
View File

@ -13,15 +13,22 @@
# limitations under the License.
from __future__ import print_function
import heapq
import itertools
__all__ = ["RangeSet"]
class RangeSet(object):
"""A RangeSet represents a set of nonoverlapping ranges on the
integers (ie, a set of integers, but efficient when the set contains
lots of runs."""
"""A RangeSet represents a set of non-overlapping ranges on integers.
Attributes:
monotonic: Whether the input has all its integers in increasing order.
extra: A dict that can be used by the caller, e.g. to store info that's
only meaningful to caller.
"""
def __init__(self, data=None):
self.monotonic = False
@ -63,16 +70,18 @@ class RangeSet(object):
@classmethod
def parse(cls, text):
"""Parse a text string consisting of a space-separated list of
blocks and ranges, eg "10-20 30 35-40". Ranges are interpreted to
include both their ends (so the above example represents 18
individual blocks. Returns a RangeSet object.
"""Parses a text string into a RangeSet.
If the input has all its blocks in increasing order, then returned
RangeSet will have an extra attribute 'monotonic' that is set to
True. For example the input "10-20 30" is monotonic, but the input
"15-20 30 10-14" is not, even though they represent the same set
of blocks (and the two RangeSets will compare equal with ==).
The input text string consists of a space-separated list of blocks and
ranges, e.g. "10-20 30 35-40". Ranges are interpreted to include both their
ends (so the above example represents 18 individual blocks). Returns a
RangeSet object.
If the input has all its blocks in increasing order, then the 'monotonic'
attribute of the returned RangeSet will be set to True. For example the
input "10-20 30" is monotonic, but the input "15-20 30 10-14" is not, even
though they represent the same set of blocks (and the two RangeSets will
compare equal with ==).
"""
return cls(text)