Mercurial > public > mercurial-scm > hg
comparison mercurial/revset.py @ 20482:a979078bd788
revset: added spanset class to represent revision ranges
| author | Lucas Moscovicz <lmoscovicz@fb.com> |
|---|---|
| date | Wed, 12 Feb 2014 10:16:21 -0800 |
| parents | a5d7081a4c34 |
| children | ed57358398af |
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| 20481:a5d7081a4c34 | 20482:a979078bd788 |
|---|---|
| 2127 self._subset.reverse() | 2127 self._subset.reverse() |
| 2128 | 2128 |
| 2129 def set(self): | 2129 def set(self): |
| 2130 return set([r for r in self]) | 2130 return set([r for r in self]) |
| 2131 | 2131 |
| 2132 class spanset(object): | |
| 2133 """Duck type for baseset class which represents a range of revisions and | |
| 2134 can work lazily and without having all the range in memory | |
| 2135 """ | |
| 2136 def __init__(self, start, end): | |
| 2137 self._start = start | |
| 2138 self._end = end | |
| 2139 | |
| 2140 def __iter__(self): | |
| 2141 if self._start <= self._end: | |
| 2142 for r in xrange(self._start, self._end): | |
| 2143 yield r | |
| 2144 else: | |
| 2145 for r in xrange(self._start, self._end, -1): | |
| 2146 yield r | |
| 2147 | |
| 2148 def __contains__(self, x): | |
| 2149 return (x <= self._start and x > self._end) or (x >= self._start and x< | |
| 2150 self._end) | |
| 2151 | |
| 2132 # tell hggettext to extract docstrings from these functions: | 2152 # tell hggettext to extract docstrings from these functions: |
| 2133 i18nfunctions = symbols.values() | 2153 i18nfunctions = symbols.values() |