Mercurial > public > mercurial-scm > hg
diff mercurial/utils/resourceutil.py @ 43871:1390bb81163e
help: get helptext/ data from `resources` module if available
For PyOxidizer, we need to read configs using the `resources`
module. This patch makes it so we use that module if available
(i.e. Python >= 3.7). It does that by adding a new `open_resource()`
function to our `resourceutil` module.
Tested by running `$PYTHON ./hg help pager` for each $PYTHON in
{python2, python3.6, python3.7}.
Differential Revision: https://phab.mercurial-scm.org/D7622
| author | Martin von Zweigbergk <martinvonz@google.com> |
|---|---|
| date | Thu, 12 Dec 2019 12:57:13 -0800 |
| parents | 5606e1cb4685 |
| children | 4d59cc8bda65 |
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--- a/mercurial/utils/resourceutil.py Thu Dec 12 10:26:09 2019 -0800 +++ b/mercurial/utils/resourceutil.py Thu Dec 12 12:57:13 2019 -0800 @@ -35,3 +35,25 @@ datapath = os.path.dirname(pycompat.sysexecutable) else: datapath = os.path.dirname(os.path.dirname(pycompat.fsencode(__file__))) + +try: + import importlib + + # Force loading of the resources module + importlib.resources.open_binary + + def open_resource(package, name): + package = b'mercurial.' + package + return importlib.resources.open_binary( + pycompat.sysstr(package), pycompat.sysstr(name) + ) + + +except AttributeError: + + def _package_path(package): + return os.path.join(datapath, *package.split(b'.')) + + def open_resource(package, name): + path = os.path.join(_package_path(package), name) + return open(path, 'rb')