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parser: add stub class that will host alias parsing and expansion
This class will keep syntax rules that are necessary to parse and expand
aliases. The implementations will be extracted from the revset module. In
order to make the porting easier, this class keeps parsedecl and parsedefn
separately, which will be unified later. Also, getlist and funcnode will
be refactored by future patches for better handling of the template aliases.
The following public functions will be added:
aliasrules.build(decl, defn) -> aliasobj
parse decl and defn into an object that keeps alias name, arguments
and replacement tree.
aliasrules.buildmap(aliasitems) -> aliasdict
helper to build() a dict of alias objects from a list of (decl, defn)
aliasrules.expand(aliasdict, tree) -> tree
expand aliases in tree recursively
Because these functions aren't introduced by this series, there would remain
a few wrapper functions in the revset module. These ugly wrappers should be
eliminated by the next series.
This class is considered an inheritable namespace, which will host only
class/static methods. That's because it won't have no object-scope variables.
I'm not a big fan of using class as a syntax sugar, but I admit it can improve
code readability at some level. So let's give it a try.
author | Yuya Nishihara <yuya@tcha.org> |
---|---|
date | Sun, 03 Apr 2016 16:55:23 +0900 |
parents | 4b0fc75f9403 |
children | 47ef023d0165 |
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#!/usr/bin/env python # # An example hgweb CGI script, edit as necessary # See also https://mercurial-scm.org/wiki/PublishingRepositories # Path to repo or hgweb config to serve (see 'hg help hgweb') config = "/path/to/repo/or/config" # Uncomment and adjust if Mercurial is not installed system-wide # (consult "installed modules" path from 'hg debuginstall'): #import sys; sys.path.insert(0, "/path/to/python/lib") # Uncomment to send python tracebacks to the browser if an error occurs: #import cgitb; cgitb.enable() from mercurial import demandimport; demandimport.enable() from mercurial.hgweb import hgweb, wsgicgi application = hgweb(config) wsgicgi.launch(application)