[Dependencies] Move requirements.txt to requirements directory. (#13636)

.github/dependabot.yml

@@ -21,3 +21,15 @@ updates:
     open-pull-requests-limit: 3
     reviewers:
       - "ray-project/ray-tune"
+    ignore:
+      # Ignore pinned dependencies in requirements.txt.
+      - dependency-name: aiohttp
+      - dependency-name: msgpack
+      - dependency-name: opencv-python-headless
+      - dependency-name: pandas
+      - dependency-name: scipy
+      - dependency-name: pydantic
+      - dependency-name: cython
+      - dependency-name: llmvlite
+      - dependency-name: pytest
+      - dependency-name: scikit-learn

ci/travis/install-dependencies.sh

@@ -274,7 +274,7 @@ install_dependencies() {
     local status="0";
     local errmsg="";
     for _ in {1..3}; do
-      errmsg=$(CC=gcc pip install -r "${WORKSPACE_DIR}"/python/requirements.txt 2>&1) && break;
+      errmsg=$(CC=gcc pip install -r "${WORKSPACE_DIR}"/python/requirements/requirements.txt 2>&1) && break;
       status=$errmsg && echo "'pip install ...' failed, will retry after n seconds!" && sleep 30;
     done
     if [ "$status" != "0" ]; then

python/requirements/requirements_tune.in

@@ -1,5 +1,5 @@
 # Use base requirements to constrain these requirements.
--c ../requirements.txt
+-c ./requirements.txt
 
 ax-platform==0.1.9; python_version < '3.7'
 ax-platform==0.1.19; python_version >= '3.7'

python/setup.py

@@ -92,7 +92,7 @@ ray_files += [
 ]
 
 # If you're adding dependencies for ray extras, please
-# also update the matching section of requirements.txt
+# also update the matching section of requirements/requirements.txt
 # in this directory
 extras = {
     "serve": [
@@ -120,7 +120,7 @@ extras["all"] = list(set(chain.from_iterable(extras.values())))
 
 # These are the main dependencies for users of ray. This list
 # should be carefully curated. If you change it, please reflect
-# the change in the matching section of requirements.txt
+# the change in the matching section of requirements/requirements.txt
 install_requires = [
     # TODO(alex) Pin the version once this PR is
     # included in the stable release.