get PyQt working directly with ./run on macOS

It's no longer necessary to copy everything into bazel-copy, and you
can safely remove that folder.

docs/mac.md

@@ -11,10 +11,10 @@ so it installs the command line tools.
 
 Install Homebrew from <https://brew.sh/>
 
-Then install deps:
+Then install Bazel:
 
 ```
-$ brew install rsync bazelisk
+$ brew install bazelisk
 ```
 
 **Python**:

qt/aqt/utils.py

@@ -21,6 +21,9 @@ if TYPE_CHECKING:
 
 
 def aqt_data_folder() -> str:
+    # running in Bazel on macOS?
+    if path := os.getenv("AQT_DATA_FOLDER"):
+        return path
     # running in place?
     dir = os.path.join(os.path.dirname(__file__), "data")
     if os.path.exists(dir):

qt/bazelfixes.py

@@ -43,3 +43,17 @@ def fix_extraneous_path_in_bazel():
     # source folder conflicts with bazel-out source
     if sys.path[0].endswith("qt"):
         del sys.path[0]
+
+
+def fix_run_on_macos():
+    if not sys.platform.startswith("darwin"):
+        return
+    exec_folder = os.path.dirname(sys.argv[0])
+    qt_version = 5 if "runanki_qt5" in exec_folder else 6
+    pyqt_repo = os.path.join(exec_folder, f"../../../../../../../external/pyqt{qt_version}")
+    if os.path.exists(pyqt_repo):
+        # pyqt must point to real folder, not a symlink
+        sys.path.insert(0, pyqt_repo)
+            # set the correct data folder base
+        data = os.path.join(exec_folder, "aqt", "data")
+        os.environ["AQT_DATA_FOLDER"] = data

qt/runanki.py

@@ -10,6 +10,7 @@ try:
 
     bazelfixes.fix_pywin32_in_bazel()
     bazelfixes.fix_extraneous_path_in_bazel()
+    bazelfixes.fix_run_on_macos()
 except ImportError:
     pass
 

run

@@ -2,23 +2,5 @@
 
 set -e
 
-run_linux() {
-    bazel run $BUILDARGS //qt:runanki -- $*
-}
-
-run_mac() {
-    # QtWebEngineProcess is unable to locate icudtl.dat from a symlinked tree,
-    # so we need to copy the files into a working folder before running on a Mac.
-    workspace=$(dirname $0)
-    bazel build $BUILDARGS //qt:runanki && \
-        rsync -aiL --exclude=anki/external --delete -f'-p __pycache__' \
-            $workspace/bazel-bin/qt/runanki* $workspace/bazel-copy/ && \
-        $workspace/bazel-copy/runanki $*
-}
-
 export PYTHONWARNINGS=default
-if [[ "$OSTYPE" == "darwin"* ]]; then
+bazel run $BUILDARGS //qt:runanki -- $*
-    run_mac $*
-else
-    run_linux $*
-fi

run-qt5

@@ -2,23 +2,5 @@
 
 set -e
 
-run_linux() {
-    bazel run $BUILDARGS //qt:runanki_qt5 -- $*
-}
-
-run_mac() {
-    # QtWebEngineProcess is unable to locate icudtl.dat from a symlinked tree,
-    # so we need to copy the files into a working folder before running on a Mac.
-    workspace=$(dirname $0)
-    bazel build $BUILDARGS //qt:runanki_qt5 && \
-        rsync -aiL --exclude=anki/external --delete -f'-p __pycache__' \
-            $workspace/bazel-bin/qt/runanki* $workspace/bazel-copy/ && \
-        $workspace/bazel-copy/runanki_qt5 $*
-}
-
 export PYTHONWARNINGS=default
-if [[ "$OSTYPE" == "darwin"* ]]; then
+bazel run $BUILDARGS //qt:runanki_qt5 -- $*
-    run_mac $*
-else
-    run_linux $*
-fi