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extensions: register functions always at loading extension (issue5601)...
extensions: register functions always at loading extension (issue5601) Before this patch, functions defined in extensions are registered via extra loaders only in _dispatch(). Therefore, loading extensions in other code paths like below omits registration of functions. - WSGI service - operation across repositories (e.g. subrepo) - test-duplicateoptions.py, using extensions.loadall() directly To register functions always at loading new extension, this patch moves implementation for extra loading from dispatch._dispatch() to extensions.loadall(). AFAIK, only commands module causes cyclic dependency between extensions module, but this patch imports all related modules just before extra loading in loadall(), in order to centralize them. This patch makes extensions.py depend on many other modules, even though extensions.py itself doesn't. It should be avoided if possible, but I don't have any better idea. Some other places like below aren't reasonable for extra loading, IMHO. - specific function in newly added module: existing callers of extensions.loadall() should invoke it, too - hg.repository() or so: no-repo commands aren't covered by this. BTW, this patch removes _loaded.add(name) on relocation, because dispatch._loaded is used only for extraloaders (for similar reason, "exts" variable is removed, too).
Yuya Nishihara - - Load All Authors

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test-demandimport.py.out
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Martin Geisler
tests: renamed Python tests to .py
 r8449 os = <unloaded module 'os'>
os.system = <built-in function system>
os = <module 'os' from '?'>
util = <unloaded module 'util'>
util.system = <function system at 0x?>
util = <module 'mercurial.util' from '?'>
util.system = <function system at 0x?>
Bryan O'Sullivan
test-demandimport: ensure that relative imports are deferred...
 r27535 hgweb = <unloaded module 'hgweb'>
hgweb_mod = <unloaded module 'hgweb_mod'>
hgweb = <module 'mercurial.hgweb' from '?'>
Martin Geisler
tests: renamed Python tests to .py
 r8449 fred = <unloaded module 're'>
Yuya Nishihara
demandimport: look for 'mod' suffix as alternative name for module reference...
 r32447 remod = <unloaded module 're'>
Martin Geisler
tests: renamed Python tests to .py
 r8449 re = <unloaded module 'sys'>
fred = <unloaded module 're'>
fred.sub = <function sub at 0x?>
fred = <proxied module 're'>
Yuya Nishihara
demandimport: look for 'mod' suffix as alternative name for module reference...
 r32447 remod = <module 're' from '?'>
Martin Geisler
tests: renamed Python tests to .py
 r8449 re = <unloaded module 'sys'>
Dan Villiom Podlaski Christiansen
test-demandimport.py: PyPy support...
 r13083 re.stderr = <open file '<whatever>', mode 'w' at 0x?>
Martin Geisler
tests: renamed Python tests to .py
 r8449 re = <proxied module 'sys'>
Yuya Nishihara
demandimport: stop overriding __getattribute__()...
 r32448 pvecproxy = <unloaded module 'pvec'>
pvecproxy.__doc__ = 'A "pvec" is ...'
pvecproxy.__name__ = 'mercurial.pvec'
pvecproxy.__dict__['__name__'] = 'mercurial.pvec'
pvecproxy = <proxied module 'pvec'>
Yuya Nishihara
demandimport: error out early on missing attribute of non package (issue5373)...
 r30022 contextlib = <unloaded module 'contextlib'>
contextlib.unknownattr = ImportError: cannot import name unknownattr
Yuya Nishihara
demandimport: do not raise ImportError for unknown item in fromlist...
 r30647 __import__('contextlib', ..., ['unknownattr']) = <module 'contextlib' from '?'>
hasattr(contextlibimp, 'unknownattr') = False
Mads Kiilerich
demandimport: make it possible to disable by setting HGDEMANDIMPORT=disable...
 r21025 node = <module 'mercurial.node' from '?'>