From 38fae6e9cbcdd8e932a53bf1c763279dc55729d5 Mon Sep 17 00:00:00 2001
From: Gyeongjae Choi <def6488@gmail.com>
Date: Fri, 17 Jun 2022 11:26:09 +0900
Subject: [PATCH] PKG Add shapely and geos (#2725)

Co-authored-by: Hood <hood@mit.edu>
---
 docs/project/changelog.md        |  3 ++-
 packages/geos/meta.yaml          | 29 +++++++++++++++++++++++++++++
 packages/shapely/meta.yaml       | 22 ++++++++++++++++++++++
 packages/shapely/test_shapely.py | 19 +++++++++++++++++++
 4 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 packages/geos/meta.yaml
 create mode 100644 packages/shapely/meta.yaml
 create mode 100644 packages/shapely/test_shapely.py

diff --git a/docs/project/changelog.md b/docs/project/changelog.md
index bdb8e1312..cc29d1510 100644
--- a/docs/project/changelog.md
+++ b/docs/project/changelog.md
@@ -173,7 +173,8 @@ substitutions:
 - New packages: opencv-python v4.5.5.64 {pr}`2305`, ffmpeg {pr}`2305`, libwebp {pr}`2305`,
   h5py, pkgconfig and libhdf5 {pr}`2411`, bitarray {pr}`2459`, gsw {pr}`2511`, cftime {pr}`2504`,
   svgwrite, jsonschema, tskit {pr}`2506`, xarray {pr}`2538`, demes, libgsl, newick,
-  ruamel, msprime {pr}`2548`, gmpy2 {pr}`2665`, xgboost {pr}`2537`, galpy {pr}`2676`.
+  ruamel, msprime {pr}`2548`, gmpy2 {pr}`2665`, xgboost {pr}`2537`, galpy {pr}`2676`,
+  shapely, geos {pr}`2725`.
 
 ## Version 0.20.0
 
diff --git a/packages/geos/meta.yaml b/packages/geos/meta.yaml
new file mode 100644
index 000000000..a3c936cec
--- /dev/null
+++ b/packages/geos/meta.yaml
@@ -0,0 +1,29 @@
+package:
+  name: geos
+  version: 3.10.3
+
+source:
+  url: http://download.osgeo.org/geos/geos-3.10.3.tar.bz2
+  sha256: 3c141b07d61958a758345d5f54e3c735834b2f4303edb9f67fb26914f0d44770
+
+build:
+  sharedlibrary: true
+  script: |
+    echo "set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE)" > SupportSharedLib.cmake
+
+    LDFLAGS="${SIDE_MODULE_LDFLAGS}" emcmake cmake \
+      -DDISABLE_GEOS_INLINE=ON \
+      -DBUILD_TESTING=OFF \
+      -DBUILD_BENCHMARKS=OFF \
+      -DBUILD_DOCUMENTATION=OFF \
+      -DCMAKE_C_FLAGS="-fPIC" \
+      -DCMAKE_CXX_FLAGS="-fPIC" \
+      -DCMAKE_PROJECT_INCLUDE=SupportSharedLib.cmake \
+      -DCMAKE_INSTALL_PREFIX=${WASM_LIBRARY_DIR} \
+      ./
+
+    emmake make -j ${PYODIDE_JOBS:-3}
+    emmake make install
+
+    mkdir -p dist
+    cp ${WASM_LIBRARY_DIR}/lib/libgeos* dist/
diff --git a/packages/shapely/meta.yaml b/packages/shapely/meta.yaml
new file mode 100644
index 000000000..d233b842c
--- /dev/null
+++ b/packages/shapely/meta.yaml
@@ -0,0 +1,22 @@
+package:
+  name: shapely
+  version: 1.8.2
+source:
+  url: https://files.pythonhosted.org/packages/93/3c/cda77e57a08c49569de5bd90376c547bcb981420100adcb0f3770ed681b1/Shapely-1.8.2.tar.gz
+  sha256: 572af9d5006fd5e3213e37ee548912b0341fb26724d6dc8a4e3950c10197ebb6
+build:
+  script: |
+    export GEOS_CONFIG=${WASM_LIBRARY_DIR}/bin/geos-config
+requirements:
+  run:
+    - geos
+    - numpy
+test:
+  imports:
+    - shapely
+    - shapely.geos
+    - shapely.geometry
+    - shapely.ops
+    - shapely.prepared
+    - shapely.validation
+    - shapely.strtree
diff --git a/packages/shapely/test_shapely.py b/packages/shapely/test_shapely.py
new file mode 100644
index 000000000..da95d017d
--- /dev/null
+++ b/packages/shapely/test_shapely.py
@@ -0,0 +1,19 @@
+from pyodide_test_runner import run_in_pyodide
+
+
+@run_in_pyodide(packages=["shapely"])
+def test_shapely(selenium):
+    from shapely.geometry import MultiLineString
+
+    coords = [((0, 0), (1, 1)), ((-1, 0), (1, 0))]
+    lines = MultiLineString(coords)
+    assert lines.area == 0.0
+    assert round(lines.length, 2) == 3.41
+
+
+@run_in_pyodide(packages=["shapely"])
+def test_shapely_geos(selenium):
+    import shapely.geos
+
+    assert shapely.geos.geos_version
+    assert shapely.geos.geos_version_string