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import-checker: resolve relative imports...
import-checker: resolve relative imports "from . import X" will produce an ImportFrom ast node with .module = None. This resulted in a run-time error from attempting to concatenate None with a str. Another problem with relative imports is that the prefix may be dynamic based on the "level" attribute of the import. e.g. "from ." has level 1 and "from .." has level 2. We teach the "fromlocal" function how to cope with relative imports. Where appropriate, the consumer passes in the level so relative module names may be resolved properly.
Adrian Buehlmann - - Load All Authors

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dumprevlog
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/ contrib / dumprevlog
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#!/usr/bin/env python
# Dump revlogs as raw data stream
# $ find .hg/store/ -name "*.i" | xargs dumprevlog > repo.dump
import sys
from mercurial import revlog, node, util
for fp in (sys.stdin, sys.stdout, sys.stderr):
util.setbinary(fp)
for f in sys.argv[1:]:
binopen = lambda fn: open(fn, 'rb')
r = revlog.revlog(binopen, f)
print "file:", f
for i in r:
n = r.node(i)
p = r.parents(n)
d = r.revision(n)
print "node:", node.hex(n)
print "linkrev:", r.linkrev(i)
print "parents:", node.hex(p[0]), node.hex(p[1])
print "length:", len(d)
print "-start-"
print d
print "-end-"