Merge pull request #100 from blackary/support-1.36

Author: blackary

example_app/requirements.txt

@@ -1,2 +1,2 @@
-st_pages>=0.4.3
 streamlit>=1.25.0
+-e .

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "st-pages"
-version = "0.4.5"
+version = "0.5.0"
 license = "MIT"
 description = "An experimental version of Streamlit Multi-Page Apps"
 authors = ["Zachary Blackwood <zachary@streamlit.io>"]

src/st_pages/__init__.py

@@ -6,6 +6,7 @@
 from time import sleep
 
 import toml
+from packaging.version import Version
 
 try:
     from streamlit import _gather_metrics  # type: ignore
@@ -249,10 +250,13 @@ def _show_pages(pages: list[Page]):
     if hasattr(rt, "_script_cache"):
         sleep(1)  # Not sure why this is needed, but it seems to be.
 
-        rt._sources_watcher = LocalSourcesWatcher(rt._main_script_path)
-        rt._sources_watcher.register_file_change_callback(
-            lambda _: rt._script_cache.clear()
-        )
+        try:
+            rt._sources_watcher = LocalSourcesWatcher(rt._main_script_path)
+            rt._sources_watcher.register_file_change_callback(
+                lambda _: rt._script_cache.clear()
+            )
+        except AttributeError:
+            pass
 
 
 show_pages = _gather_metrics("st_pages.show_pages", _show_pages)
@@ -331,9 +335,16 @@ def _get_indentation_code() -> str:
             is_indented = False
         elif is_indented:
             # Unless specifically unnested, indent all pages that aren't section headers
+            # Tweak the styling for streamlit >= 1.36.0
+            st_version_string = st.__version__
+
+            extra_selector = "span:nth-child(1)"
+            if Version(st_version_string) >= Version("1.36.0"):
+                extra_selector = "a > span:first-child"
+
             styling += f"""
                 div[data-testid=\"stSidebarNav\"] li:nth-child({idx + 1})
-                    span:nth-child(1) {{
+                    {extra_selector} {{
                         margin-left: 1.5rem;
                 }}
             """

tox.ini

@@ -1,16 +1,16 @@
 [tox]
-envlist = py{38,39,310}-streamlit{21,23,25,27}
+envlist = py{39,310,311}-streamlit{24,28,32,36}
 isolated_build = True
 
 [testenv]
 deps =
     pytest
     pytest-playwright
     pytest-rerunfailures
-    streamlit21: streamlit==1.21.0
-    streamlit23: streamlit==1.23.0
-    streamlit25: streamlit==1.25.0
-    streamlit27: streamlit==1.27.0
+    streamlit24: streamlit==1.24.0
+    streamlit28: streamlit==1.28.0
+    streamlit32: streamlit==1.32.0
+    streamlit36: streamlit==1.36.0
 
 commands:
     playwright install
@@ -24,6 +24,6 @@ basepython = python3
 
 [gh-actions]
 python =
-    3.8: py38
     3.9: py39
-    3.10: py310
+    3.10: py310
+    3.11: py311