Mercurial > public > mercurial-scm > hg
comparison mercurial/templatefuncs.py @ 38448:dae829b4de78
templater: introduce filter() function to remove empty items from list
The primary use case is to filter out "tip" from a list of tags.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Thu, 14 Jun 2018 22:33:26 +0900 |
| parents | aa98392eb5b0 |
| children | bc8d925342f0 |
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| 38447:b6294c113794 | 38448:dae829b4de78 |
|---|---|
| 164 except IndexError: | 164 except IndexError: |
| 165 pass | 165 pass |
| 166 | 166 |
| 167 return templatefilters.fill(text, width, initindent, hangindent) | 167 return templatefilters.fill(text, width, initindent, hangindent) |
| 168 | 168 |
| 169 @templatefunc('filter(iterable)') | |
| 170 def filter_(context, mapping, args): | |
| 171 """Remove empty elements from a list or a dict.""" | |
| 172 if len(args) != 1: | |
| 173 # i18n: "filter" is a keyword | |
| 174 raise error.ParseError(_("filter expects one argument")) | |
| 175 iterable = evalwrapped(context, mapping, args[0]) | |
| 176 def select(w): | |
| 177 return w.tobool(context, mapping) | |
| 178 return iterable.filter(context, mapping, select) | |
| 179 | |
| 169 @templatefunc('formatnode(node)', requires={'ui'}) | 180 @templatefunc('formatnode(node)', requires={'ui'}) |
| 170 def formatnode(context, mapping, args): | 181 def formatnode(context, mapping, args): |
| 171 """Obtain the preferred form of a changeset hash. (DEPRECATED)""" | 182 """Obtain the preferred form of a changeset hash. (DEPRECATED)""" |
| 172 if len(args) != 1: | 183 if len(args) != 1: |
| 173 # i18n: "formatnode" is a keyword | 184 # i18n: "formatnode" is a keyword |