stablerange: update the filename to avoid cache confusion
The schema validation seems to not work as well as intended, we update the file
name to make sure there will be no confusion.
#####################################################################
### Extension helper ###
#####################################################################
from mercurial import (
commands,
extensions,
registrar,
revset,
templatekw,
util,
)
if util.safehasattr(registrar, 'command'):
command = registrar.command
else: # compat with hg < 4.3
from mercurial import cmdutil
command = cmdutil.command
configitem = None
dynamicdefault = None
if util.safehasattr(registrar, 'configitem'):
configitem = registrar.configitem
from mercurial import configitems
dynamicdefault = configitems.dynamicdefault
class exthelper(object):
"""Helper for modular extension setup
A single helper should be instantiated for each extension. Helper
methods are then used as decorators for various purpose.
All decorators return the original function and may be chained.
"""
def __init__(self):
self._uicallables = []
self._extcallables = []
self._repocallables = []
self._revsetsymbols = []
self._templatekws = []
self._commandwrappers = []
self._extcommandwrappers = []
self._functionwrappers = []
self._duckpunchers = []
self.cmdtable = {}
self.command = command(self.cmdtable)
self.configtable = {}
self._configitem = None
if configitem is not None:
self._configitem = configitem(self.configtable)
def configitem(self, section, config):
"""For Mercurial 4.4 and above, register a config item
For now constraint to 'dynamicdefault' until we only support version with the feature.
Older version would otherwise not use the declare default.
For older version no-op fallback for old Mercurial versions
"""
if self._configitem is not None:
self._configitem(section, config, default=dynamicdefault)
def merge(self, other):
self._uicallables.extend(other._uicallables)
self._extcallables.extend(other._extcallables)
self._repocallables.extend(other._repocallables)
self._revsetsymbols.extend(other._revsetsymbols)
self._templatekws.extend(other._templatekws)
self._commandwrappers.extend(other._commandwrappers)
self._extcommandwrappers.extend(other._extcommandwrappers)
self._functionwrappers.extend(other._functionwrappers)
self._duckpunchers.extend(other._duckpunchers)
self.cmdtable.update(other.cmdtable)
for section, items in other.configtable.iteritems():
if section in self.configtable:
self.configtable[section].update(items)
else:
self.configtable[section] = items
def final_uisetup(self, ui):
"""Method to be used as the extension uisetup
The following operations belong here:
- Changes to ui.__class__ . The ui object that will be used to run the
command has not yet been created. Changes made here will affect ui
objects created after this, and in particular the ui that will be
passed to runcommand
- Command wraps (extensions.wrapcommand)
- Changes that need to be visible to other extensions: because
initialization occurs in phases (all extensions run uisetup, then all
run extsetup), a change made here will be visible to other extensions
during extsetup
- Monkeypatch or wrap function (extensions.wrapfunction) of dispatch
module members
- Setup of pre-* and post-* hooks
- pushkey setup
"""
for cont, funcname, func in self._duckpunchers:
setattr(cont, funcname, func)
for command, wrapper, opts in self._commandwrappers:
entry = extensions.wrapcommand(commands.table, command, wrapper)
if opts:
for short, long, val, msg in opts:
entry[1].append((short, long, val, msg))
for cont, funcname, wrapper in self._functionwrappers:
extensions.wrapfunction(cont, funcname, wrapper)
for c in self._uicallables:
c(ui)
def final_extsetup(self, ui):
"""Method to be used as a the extension extsetup
The following operations belong here:
- Changes depending on the status of other extensions. (if
extensions.find('mq'))
- Add a global option to all commands
- Register revset functions
"""
knownexts = {}
revsetpredicate = registrar.revsetpredicate()
for name, symbol in self._revsetsymbols:
revsetpredicate(name)(symbol)
revset.loadpredicate(ui, 'evolve', revsetpredicate)
templatekeyword = registrar.templatekeyword()
for name, kw in self._templatekws:
templatekeyword(name)(kw)
templatekw.loadkeyword(ui, 'evolve', templatekeyword)
for ext, command, wrapper, opts in self._extcommandwrappers:
if ext not in knownexts:
try:
e = extensions.find(ext)
except KeyError:
# Extension isn't enabled, so don't bother trying to wrap
# it.
continue
knownexts[ext] = e.cmdtable
entry = extensions.wrapcommand(knownexts[ext], command, wrapper)
if opts:
for short, long, val, msg in opts:
entry[1].append((short, long, val, msg))
for c in self._extcallables:
c(ui)
def final_reposetup(self, ui, repo):
"""Method to be used as the extension reposetup
The following operations belong here:
- All hooks but pre-* and post-*
- Modify configuration variables
- Changes to repo.__class__, repo.dirstate.__class__
"""
for c in self._repocallables:
c(ui, repo)
def uisetup(self, call):
"""Decorated function will be executed during uisetup
example::
@eh.uisetup
def setupbabar(ui):
print 'this is uisetup!'
"""
self._uicallables.append(call)
return call
def extsetup(self, call):
"""Decorated function will be executed during extsetup
example::
@eh.extsetup
def setupcelestine(ui):
print 'this is extsetup!'
"""
self._extcallables.append(call)
return call
def reposetup(self, call):
"""Decorated function will be executed during reposetup
example::
@eh.reposetup
def setupzephir(ui, repo):
print 'this is reposetup!'
"""
self._repocallables.append(call)
return call
def revset(self, symbolname):
"""Decorated function is a revset symbol
The name of the symbol must be given as the decorator argument.
The symbol is added during `extsetup`.
example::
@eh.revset('hidden')
def revsetbabar(repo, subset, x):
args = revset.getargs(x, 0, 0, 'babar accept no argument')
return [r for r in subset if 'babar' in repo[r].description()]
"""
def dec(symbol):
self._revsetsymbols.append((symbolname, symbol))
return symbol
return dec
def templatekw(self, keywordname):
"""Decorated function is a template keyword
The name of the keyword must be given as the decorator argument.
The symbol is added during `extsetup`.
example::
@eh.templatekw('babar')
def kwbabar(ctx):
return 'babar'
"""
def dec(keyword):
self._templatekws.append((keywordname, keyword))
return keyword
return dec
def wrapcommand(self, command, extension=None, opts=[]):
"""Decorated function is a command wrapper
The name of the command must be given as the decorator argument.
The wrapping is installed during `uisetup`.
If the second option `extension` argument is provided, the wrapping
will be applied in the extension commandtable. This argument must be a
string that will be searched using `extension.find` if not found and
Abort error is raised. If the wrapping applies to an extension, it is
installed during `extsetup`.
example::
@eh.wrapcommand('summary')
def wrapsummary(orig, ui, repo, *args, **kwargs):
ui.note('Barry!')
return orig(ui, repo, *args, **kwargs)
The `opts` argument allows specifying additional arguments for the
command.
"""
def dec(wrapper):
if extension is None:
self._commandwrappers.append((command, wrapper, opts))
else:
self._extcommandwrappers.append((extension, command, wrapper,
opts))
return wrapper
return dec
def wrapfunction(self, container, funcname):
"""Decorated function is a function wrapper
This function takes two arguments, the container and the name of the
function to wrap. The wrapping is performed during `uisetup`.
(there is no extension support)
example::
@eh.function(discovery, 'checkheads')
def wrapfunction(orig, *args, **kwargs):
ui.note('His head smashed in and his heart cut out')
return orig(*args, **kwargs)
"""
def dec(wrapper):
self._functionwrappers.append((container, funcname, wrapper))
return wrapper
return dec
def addattr(self, container, funcname):
"""Decorated function is to be added to the container
This function takes two arguments, the container and the name of the
function to wrap. The wrapping is performed during `uisetup`.
example::
@eh.function(context.changectx, 'babar')
def babar(ctx):
return 'babar' in ctx.description
"""
def dec(func):
self._duckpunchers.append((container, funcname, func))
return func
return dec