Revert "install_requirements.py: reorganize requirements (#7705)"

This reverts commit 5b9ab56.

Author: huydhn

install_requirements.py

@@ -104,15 +104,34 @@ def install_requirements(use_pytorch_nightly):
             if use_pytorch_nightly
             else "torchvision"
         ),  # For testing.
+        "typing-extensions",
     ]
 
+    # pip packages needed to run examples.
+    # TODO: Make each example publish its own requirements.txt
     EXAMPLES_REQUIREMENTS = [
+        "timm==1.0.7",
         f"torchaudio==2.6.0.{NIGHTLY_VERSION}" if use_pytorch_nightly else "torchaudio",
+        "torchsr==1.0.4",
+        "transformers==4.47.1",
+    ]
+
+    # pip packages needed for development.
+    DEVEL_REQUIREMENTS = [
+        "cmake",  # For building binary targets.
+        "pip>=23",  # For building the pip package.
+        "pyyaml",  # Imported by the kernel codegen tools.
+        "setuptools>=63",  # For building the pip package.
+        "tomli",  # Imported by extract_sources.py when using python < 3.11.
+        "wheel",  # For building the pip package archive.
+        "zstd",  # Imported by resolve_buck.py.
     ]
 
     # Assemble the list of requirements to actually install.
     # TODO: Add options for reducing the number of requirements.
-    REQUIREMENTS_TO_INSTALL = EXIR_REQUIREMENTS + EXAMPLES_REQUIREMENTS
+    REQUIREMENTS_TO_INSTALL = (
+        EXIR_REQUIREMENTS + DEVEL_REQUIREMENTS + EXAMPLES_REQUIREMENTS
+    )
 
     # Install the requirements. `--extra-index-url` tells pip to look for package
     # versions on the provided URL if they aren't available on the default URL.
@@ -122,8 +141,6 @@ def install_requirements(use_pytorch_nightly):
             "-m",
             "pip",
             "install",
-            "-r",
-            "requirements-examples.txt",
             *REQUIREMENTS_TO_INSTALL,
             "--extra-index-url",
             TORCH_NIGHTLY_URL,
@@ -143,8 +160,6 @@ def install_requirements(use_pytorch_nightly):
             "-m",
             "pip",
             "install",
-            # Without --no-build-isolation, setup.py can't find the torch module.
-            "--no-build-isolation",
             *LOCAL_REQUIREMENTS,
         ],
         check=True,