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docs(mkdocs): cover IS_WEB in the platform-specific code FAQ by nigelseah24 · Pull Request #85 · pythonnative/pythonnative · GitHub

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docs(mkdocs): cover IS_WEB in the platform-specific code FAQ #85

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Merged
owenthcarey merged 3 commits into from
Sep 10, 2026
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docs(mkdocs): cover IS_WEB in the platform-specific code FAQ #85

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09f1a18
docs(mkdocs): cover IS_DESKTOP in the platform-specific code FAQ
nigelseah24 Sep 2, 2026
0956970
docs(faq): use web instead of desktop
nigelseah24 Sep 9, 2026
f782c2d
docs(mkdocs): clarify browser preview platform selection
owenthcarey Sep 10, 2026
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15 changes: 12 additions & 3 deletions docs/meta/faq.md
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Expand Up @@ -20,18 +20,27 @@ with the native UI through a versioned bridge.

Yes. Two patterns:

- **Branch on `IS_ANDROID` / `IS_IOS`** for small differences inside
a shared component:
- **Branch on `IS_ANDROID` / `IS_IOS` / `IS_WEB`** for small
differences inside a shared component:

```python
from pythonnative.utils import IS_ANDROID, IS_IOS
from pythonnative.utils import IS_ANDROID, IS_IOS, IS_WEB

if IS_ANDROID:
...
elif IS_IOS:
...
elif IS_WEB:
...
```

`pn preview` and `pn start` set `PN_PLATFORM=web`, so `IS_WEB` is
`True` in the browser preview; see the
[Browser preview guide](../guides/browser-preview.md).
For a declarative alternative, use
[`Platform.select`][pythonnative.platform.Platform.select] with the
`"web"` key.

- **Per-platform native modules** for larger pieces (a custom widget,
a device API). Implement once per platform behind a single Python
facade. See [Native modules guide](../guides/native-modules.md).
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