android build: forbid buildozer to install unversioned deps of p4a

Author: SomberNight

contrib/android/Dockerfile

@@ -225,10 +225,10 @@ RUN /opt/venv/bin/python3 -m pip install --no-build-isolation --no-dependencies
     -r /opt/deterministic-build/requirements-build-android.txt
 
 # install buildozer
-ENV BUILDOZER_CHECKOUT_COMMIT="4403ecf445f10b5fbf7c74f4621bf2b922ad35b5"
+ENV BUILDOZER_CHECKOUT_COMMIT="6242e3e41365e70f76bd18f30992dcc5898ad40e"
 # ^ from branch electrum_20240930 (note: careful with force-pushing! see #8162)
 RUN cd /opt \
-    && git clone https://github.com/spesmilo/buildozer \
+    && git clone https://github.com/sombernight/buildozer \
     && cd buildozer \
     && git checkout "${BUILDOZER_CHECKOUT_COMMIT}^{commit}" \
     && /opt/venv/bin/python3 -m pip install --no-build-isolation --no-dependencies -e .

contrib/deterministic-build/requirements-build-android.txt

@@ -1,5 +1,7 @@
 appdirs==1.4.4 \
     --hash=sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41
+build==1.4.0 \
+    --hash=sha256:f1b91b925aa322be454f8330c6fb48b465da993d1e7e7e6fa35027ec49f3c936
 colorama==0.4.5 \
     --hash=sha256:e6c6b4334fc50988a639d9b98aa429a0b57da6e17b9a44f0451f930b6967b7a4
 Cython==0.29.37 \
@@ -10,14 +12,14 @@ MarkupSafe==3.0.3 \
     --hash=sha256:722695808f4b6457b320fdc131280796bdceb04ab50fe1795cd540799ebe1698
 packaging==26.2 \
     --hash=sha256:ff452ff5a3e828ce110190feff1178bb1f2ea2281fa2075aadb987c2fb221661
-pep517==0.13.1 \
-    --hash=sha256:1b2fa2ffd3938bb4beffe5d6146cbcb2bda996a5a4da9f31abffd8b24e07b317
 pexpect==4.9.0 \
     --hash=sha256:ee7d41123f3c9911050ea2c2dac107568dc43b2d3b0c7557a33212c398ead30f
 pip==25.1.1 \
     --hash=sha256:3de45d411d308d5054c2168185d8da7f9a2cd753dbac8acbfa88a8909ecd9077
 ptyprocess==0.7.0 \
     --hash=sha256:5c5d0a3b48ceee0b48485e0c26037c0acd7d29765ca3fbb5cb3831d347423220
+pyproject-hooks==1.2.0 \
+    --hash=sha256:1e859bd5c40fae9448642dd871adf459e5e2084186e8d2c2a79a824c970da1f8
 setuptools==80.9.0 \
     --hash=sha256:f36b47402ecde768dbfafc46e8e4207b4360c654f1f3bb84475f0a28628fb19c
 sh==2.2.2 \

contrib/requirements/requirements-build-android.txt

@@ -9,13 +9,16 @@ sh
 cython<3.0
 
 # needed by python-for-android:
+# ref https://github.com/spesmilo/python-for-android/blob/1098be6964cfc2156959e435e81c2c50f8398586/setup.py#L22
+# (meson and ninja we skip as not needed)
 appdirs
 # colorama upper bound to avoid needing hatchling
 colorama>=0.3.3,<0.4.6
 jinja2
-sh>=1.10
-pep517
+sh>=2,<3.0
 toml
+build
+packaging
 
 # needed for the Qt/QML Android GUI:
 # TODO double-check this