Ditch sed for Python. Default AP_BASE_URL is empty string now.

.github/workflows/deploy.yml

@@ -52,7 +52,7 @@ jobs:
         run: |
           mkdir build
           cd build
-          cmake -S .. -G Ninja
+          cmake -S .. -G Ninja -D AP_BASE_URL PathwaysGenerator
       - name: Build web app
         run: |
           cmake --build build --target web_app

CMakeLists.txt

@@ -19,14 +19,13 @@ enable_testing()
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/environment/cmake)
 
-set(AP_BASE_URL "PathwaysGenerator" CACHE STRING
-    "Base url for web app. Use empty string for testing locally."
+set(AP_BASE_URL "" CACHE STRING
+    "Base url for web app. Use empty string (the default) for testing locally."
 )
 
 find_package(Flet REQUIRED)
 find_package(Python3 REQUIRED COMPONENTS Interpreter)
 find_package(Quarto)
-find_package(Sed)
 find_package(Sphinx REQUIRED)
 
 set(AP_PLOT_GRAPHS

source/package/pathways_app/CMakeLists.txt

@@ -4,26 +4,22 @@ configure_file(
     @ONLY
 )
 
-if(NOT Sed_FOUND)
-    # Sed is used to patch index.html.
-    message(WARNING "Skipping the web_app target since sed was not found")
-else()
-    add_custom_target(web_app
-        COMMAND
-            ${CMAKE_COMMAND} -E copy_directory_if_different
-                ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}
-        COMMAND
-            ${CMAKE_COMMAND} -E env "PIP_FIND_LINKS=file://${PROJECT_BINARY_DIR}/dist"
-                ${Flet_EXECUTABLE} build web ${CMAKE_CURRENT_BINARY_DIR}
-        COMMAND
-            ${Sed_EXECUTABLE} -i -f ${CMAKE_CURRENT_SOURCE_DIR}/patch_index_html.sed
-                ${CMAKE_CURRENT_BINARY_DIR}/build/web/index.html
-        COMMAND
-            ${CMAKE_COMMAND} -E echo
-                "Run a command like this to start the web app:"
-                "${Python3_EXECUTABLE} -m http.server --directory ${CMAKE_CURRENT_BINARY_DIR}/build/web"
-        DEPENDS
-            package
-        VERBATIM
-    )
-endif()
+add_custom_target(web_app
+    COMMAND
+        ${CMAKE_COMMAND} -E copy_directory_if_different
+            ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}
+    COMMAND
+        ${CMAKE_COMMAND} -E env "PIP_FIND_LINKS=file://${PROJECT_BINARY_DIR}/dist"
+            ${Flet_EXECUTABLE} build web ${CMAKE_CURRENT_BINARY_DIR}
+    COMMAND
+        ${Python3_EXECUTABLE}
+            ${CMAKE_CURRENT_SOURCE_DIR}/patch_index_html.py
+            ${CMAKE_CURRENT_BINARY_DIR}/build/web/index.html
+    COMMAND
+        ${CMAKE_COMMAND} -E echo
+            "Run a command like this to start the web app:"
+            "${Python3_EXECUTABLE} -m http.server --directory ${CMAKE_CURRENT_BINARY_DIR}/build/web"
+    DEPENDS
+        package
+    VERBATIM
+)

source/package/pathways_app/patch_index_html.py

@@ -0,0 +1,44 @@
+import sys
+from pathlib import Path
+
+import docopt
+
+
+def main() -> int:
+    command = Path(sys.argv[0]).name
+    usage = f"""\
+Patch web app's index.html
+
+Usage:
+    {command} <pathname>
+
+Arguments:
+    pathname        Pathname of index.html file to patch
+
+Options:
+    -h --help       Show this screen and exit
+"""
+    status = 1
+
+    try:
+        arguments = sys.argv[1:]
+        arguments = docopt.docopt(usage, arguments)
+        html_pathname = arguments["<pathname>"]  # type: ignore
+
+        search_for = '<script src="python.js"></script>'
+        replace_with = f'{search_for}\n  <script src="js/pathways.js"></script>'
+
+        path = Path(html_pathname)
+        content = path.read_text(encoding="utf-8")
+        content = content.replace(search_for, replace_with)
+        path.write_text(content, encoding="utf-8")
+
+        status = 0
+    except Exception as exception:
+        sys.stderr.write(f"{exception}\n")
+
+    return status
+
+
+if __name__ == "__main__":
+    sys.exit(main())