Add mesh conversion utilities.

PiperOrigin-RevId: 573343028
Change-Id: I4b258f91a11d1994659b0129de5ddb2077689f01

python/build_requirements.txt

@@ -2,6 +2,10 @@ absl-py==2.0.0 \
     --hash=sha256:9a28abb62774ae4e8edbe2dd4c49ffcd45a6a848952a5eccc6a49f3f0fc1e2f3
 auditwheel==5.4.0; platform_system == 'Linux' \
     --hash=sha256:d8410a17523427ba3f7b60c9701d23de28b8f94fa5dab732aa6c30d160df8127
+etils[epath]==1.3.0; python_version == '3.8' \
+    --hash=sha256:809a92ff72f12149441492cf4d9a26b56a4741dffb4dfb9c4c7b7afe055c2d28
+etils[epath]==1.5.1; python_version >= '3.9' \
+    --hash=sha256:2c1bfa2817eb4881cb509097f1e65ac6160126ba74ec47b3bb47ee678628d8c8
 glfw==2.6.2 \
     --hash=sha256:c2dcf2395d99ff2506428213bee305bb9ba024043d1f574216e61e6f5df808e9 \
     --hash=sha256:c385c9976133aed57ff4f0ff5210276844cefb4d8a7bf61bbcc1caf10385744b \
@@ -50,6 +54,16 @@ wheel==0.41.2 \
 pyelftools==0.30; platform_system == 'Linux' \
     --hash=sha256:544c3440eddb9a0dce70b6611de0b28163d71def759d2ed57a0d00118fc5da86
 
+# Transitive dependencies of etils[epath]
+fsspec==2023.9.2 \
+    --hash=sha256:603dbc52c75b84da501b9b2ec8c11e1f61c25984c4a0dda1f129ef391fbfc9b4
+importlib-resources==6.1.0 \
+    --hash=sha256:aa50258bbfa56d4e33fbd8aa3ef48ded10d1735f11532b8df95388cc6bdb7e83
+typing_extensions==4.8.0 \
+    --hash=sha256:8f92fc8806f9a6b641eaa5318da32b44d401efaac0f6678c9bc448ba3605faa0
+zipp==3.17.0 \
+    --hash=sha256:0e923e726174922dce09c53c59ad483ff7bbb8e572e00c7f7c46b88556409f31
+
 # Transitive dependencies of pytest
 attrs==23.1.0; platform_system == 'Windows' \
     --hash=sha256:1f28b4522cdc2fb4256ac1a020c78acf9cba2c6b461ccd2c126f3aa8e8335d04