Merge pull request #648 from hx2A/fix647

Fix647

Author: hx2A

generator/reference.py

@@ -363,7 +363,7 @@
     ("Py5Tools", "processing_installed_libraries"): [
         (
             [],
-            "list[str]",
+            "set[str]",
         )
     ],
     ("Py5Tools", "processing_check_library"): [

py5_docs/Reference/api_en/Py5Tools_processing_installed_libraries.txt

@@ -5,7 +5,7 @@ category = processing
 subcategory = None
 
 @@ signatures
-processing_installed_libraries() -> list[str]
+processing_installed_libraries() -> set[str]
 
 @@ description
 List the Processing libraries stored in your computer's Processing library storage directory. These are all of the Processing libraries that have been installed using the [](py5tools_processing_download_library) function. To get the location of the library storage directory, use the [](py5tools_processing_library_storage_dir) function.

py5_resources/py5_module/py5_tools/javafx.py

@@ -22,7 +22,10 @@
 
 import py5_tools
 
-if not py5_tools.is_jvm_running() and py5_tools.processing.check_library("JavaFX"):
+if (
+    not py5_tools.is_jvm_running()
+    and "JavaFX" in py5_tools.processing.installed_libraries()
+):
     try:
         library_dir = None
 

py5_resources/py5_module/py5_tools/processing.py

@@ -33,7 +33,16 @@
 class ProcessingLibraryManager:
 
     def __init__(self):
-        self._libraries = ProcessingLibraryInfo()
+        self._libraries = None
+
+    def _check_libraries(self):
+        try:
+            if self._libraries is None:
+                self._libraries = ProcessingLibraryInfo()
+        except:
+            raise RuntimeError(
+                "Processing library information not available. Your network connection might not be working."
+            ) from None
 
     def _store_library_info(self, library_name, info):
         info_file = STORAGE_DIR / f"{library_name}.txt"
@@ -66,7 +75,7 @@ def _load_library_info(self, library_name):
         return info
 
     def installed_libraries(self):
-        return [f.stem for f in STORAGE_DIR.glob("*.txt")]
+        return {f.stem for f in STORAGE_DIR.glob("*.txt")}
 
     def check_library(self, library_name):
         """Check if a library is available and up to date.
@@ -77,6 +86,8 @@ def check_library(self, library_name):
         Returns:
             bool: True if the library is available and up to date, False otherwise.
         """
+        self._check_libraries()
+
         info = self._libraries.get_library_info(library_name=library_name)
 
         if len(info) == 0:
@@ -101,6 +112,8 @@ def get_library(self, library_name):
         Returns:
             dict: Information about the downloaded library.
         """
+        self._check_libraries()
+
         info = self._libraries.get_library_info(library_name=library_name)
 
         if len(info) == 0:
@@ -155,7 +168,7 @@ def library_storage_dir() -> Path:
     return STORAGE_DIR
 
 
-def installed_libraries() -> list[str]:
+def installed_libraries() -> set[str]:
     """$module_Py5Tools_processing_installed_libraries"""
     global _library_manager
     if _library_manager is None:

py5_resources/py5_module/pyproject.toml

@@ -8,7 +8,7 @@ dynamic = ["version"]
 description = "Processing for CPython"
 readme = "README.md"
 license = "LGPL-2.1-only"
-requires-python = ">3.9"
+requires-python = ">=3.9"
 authors = [
     { name = "Jim Schmitz", email = "jim@ixora.io" },
 ]