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Update resource callback docs #449

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Update resource callback docs #449

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5 changes: 3 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,9 @@ Rust and people may not even know because they never see a `libpython`,
:house: The official home of the `PyOxidizer` project is
https://github.com/indygreg/PyOxidizer.

:notebook_with_decorative_cover: Documentation (generated from the `docs/` directory) is available
at https://pyoxidizer.readthedocs.io/en/latest/index.html.
:notebook_with_decorative_cover: Documentation (generated from the `docs/` and
`pyoxidizer/docs/` directories) is available at
https://pyoxidizer.readthedocs.io/en/latest/index.html.

:speech_balloon: The [pyoxidizer-users](https://groups.google.com/forum/#!forum/pyoxidizer-users)
mailing list is a forum for users to discuss all things PyOxidizer.
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20 changes: 15 additions & 5 deletions pyoxidizer/docs/pyoxidizer_packaging_resources.rst
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Expand Up @@ -335,16 +335,26 @@ else to memory:
.. code-block:: python

def resource_callback(policy, resource):
if type(resource) in ("PythonModuleSource", "PythonPackageResource", "PythonPackageDistributionResource"):
if resource.package == "my_package":
resource.add_location = "filesystem-relative:lib"
else:
resource.add_location = "in-memory"
package_name = "my_package"

if (
type(resource) in ("PythonPackageResource", "PythonPackageDistributionResource")
and resource.package == package_name
):
resource.add_location = "filesystem-relative:lib"
return

if type(resource) in ("PythonModuleSource") and resource.name == package_name:
resource.add_location = "filesystem-relative:lib"
return

resource.add_location = "in-memory"

def make_exe():
dist = default_python_distribution()

policy = dist.make_python_packaging_policy()
policy.resources_location_fallback = "filesystem-relative:lib"
policy.register_resource_callback(resource_callback)

exe = dist.to_python_executable(
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