mirror of
https://github.com/unslothai/unsloth.git
synced 2026-05-14 08:10:39 +00:00
add Docker support: skip venv, install only missing deps
This commit is contained in:
Roland Tannous
parent
3869fbe1cc
commit
526c96980b
3 changed files with 229 additions and 253 deletions
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@ -841,216 +841,153 @@ def install_python_stack() -> int:
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base_total += 3
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_TOTAL = (base_total - 1) if skip_base else base_total
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# 1. Try to use uv for faster installs (must happen before pip upgrade
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# because uv venvs don't include pip by default)
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USE_UV = _bootstrap_uv()
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# # 1. Try to use uv for faster installs (must happen before pip upgrade
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# # because uv venvs don't include pip by default)
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# USE_UV = _bootstrap_uv()
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# 2. Ensure pip is available (uv venvs created by install.sh don't include pip)
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_progress("pip bootstrap")
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if USE_UV:
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run(
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"Bootstrapping pip via uv",
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[
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"uv",
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"pip",
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"install",
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"--python",
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sys.executable,
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"pip",
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],
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)
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else:
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# pip may not exist yet (uv-created venvs omit it). Try ensurepip
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# first, then upgrade. Only fall back to a direct upgrade when pip
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# is already present.
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_has_pip = (
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subprocess.run(
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[sys.executable, "-m", "pip", "--version"],
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stdout = subprocess.DEVNULL,
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stderr = subprocess.DEVNULL,
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).returncode
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== 0
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)
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# # 2. Ensure pip is available (uv venvs created by install.sh don't include pip)
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# _progress("pip bootstrap")
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# if USE_UV:
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# run(
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# "Bootstrapping pip via uv",
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# [
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# "uv",
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# "pip",
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# "install",
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# "--python",
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# sys.executable,
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# "pip",
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# ],
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# )
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# else:
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# # pip may not exist yet (uv-created venvs omit it). Try ensurepip
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# # first, then upgrade. Only fall back to a direct upgrade when pip
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# # is already present.
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# _has_pip = (
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# subprocess.run(
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# [sys.executable, "-m", "pip", "--version"],
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# stdout = subprocess.DEVNULL,
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# stderr = subprocess.DEVNULL,
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# ).returncode
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# == 0
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# )
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#
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# if not _has_pip:
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# run(
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# "Bootstrapping pip via ensurepip",
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# [sys.executable, "-m", "ensurepip", "--upgrade"],
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# )
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# else:
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# run(
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# "Upgrading pip",
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# [sys.executable, "-m", "pip", "install", "--upgrade", "pip"],
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# )
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if not _has_pip:
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run(
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"Bootstrapping pip via ensurepip",
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[sys.executable, "-m", "ensurepip", "--upgrade"],
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)
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else:
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run(
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"Upgrading pip",
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[sys.executable, "-m", "pip", "install", "--upgrade", "pip"],
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)
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# # 3. Core packages: unsloth-zoo + unsloth (or custom package name)
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# if skip_base:
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# print(_green(f"✅ {package_name} already installed — skipping base packages"))
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# elif NO_TORCH:
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# # No-torch update path: install unsloth + unsloth-zoo with --no-deps
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# # (current PyPI metadata still declares torch as a hard dep), then
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# # runtime deps with --no-deps (avoids transitive torch).
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# _progress("base packages (no torch)")
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# pip_install(
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# f"Updating {package_name} + unsloth-zoo (no-torch mode)",
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# "--no-cache-dir",
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# "--no-deps",
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# "--upgrade-package",
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# package_name,
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# "--upgrade-package",
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# "unsloth-zoo",
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# package_name,
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# "unsloth-zoo",
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# )
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# pip_install(
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# "Installing no-torch runtime deps",
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# "--no-cache-dir",
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# "--no-deps",
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# req = REQ_ROOT / "no-torch-runtime.txt",
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# )
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# if local_repo:
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# pip_install(
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# "Overlaying local repo (editable)",
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# "--no-cache-dir",
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# "--no-deps",
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# "-e",
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# local_repo,
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# constrain = False,
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# )
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# elif local_repo:
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# _progress("base packages")
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# pip_install(
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# "Updating base packages",
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# "--no-cache-dir",
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# "--upgrade-package",
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# "unsloth",
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# "--upgrade-package",
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# "unsloth-zoo",
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# req = REQ_ROOT / "base.txt",
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# )
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# pip_install(
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# "Overlaying local repo (editable)",
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# "--no-cache-dir",
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# "--no-deps",
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# "-e",
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# local_repo,
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# constrain = False,
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# )
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# elif package_name != "unsloth":
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# _progress("base packages")
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# pip_install(
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# f"Installing {package_name}",
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# "--no-cache-dir",
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# package_name,
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# )
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# else:
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# _progress("base packages")
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# pip_install(
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# "Updating base packages",
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# "--no-cache-dir",
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# "--upgrade-package",
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# "unsloth",
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# "--upgrade-package",
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# "unsloth-zoo",
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# req = REQ_ROOT / "base.txt",
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# )
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# 3. Core packages: unsloth-zoo + unsloth (or custom package name)
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if skip_base:
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pass
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elif NO_TORCH:
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# No-torch update path: install unsloth + unsloth-zoo with --no-deps
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# (current PyPI metadata still declares torch as a hard dep), then
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# runtime deps with --no-deps (avoids transitive torch).
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_progress("base packages (no torch)")
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pip_install(
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f"Updating {package_name} + unsloth-zoo (no-torch mode)",
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"--no-cache-dir",
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"--no-deps",
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"--upgrade-package",
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package_name,
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"--upgrade-package",
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"unsloth-zoo",
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package_name,
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"unsloth-zoo",
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)
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pip_install(
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"Installing no-torch runtime deps",
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"--no-cache-dir",
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"--no-deps",
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req = REQ_ROOT / "no-torch-runtime.txt",
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)
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if local_repo:
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pip_install(
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"Overlaying local repo (editable)",
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"--no-cache-dir",
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"--no-deps",
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"-e",
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local_repo,
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constrain = False,
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)
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elif local_repo:
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# Local dev install: update deps from base.txt, then overlay the
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# local checkout as an editable install (--no-deps so torch is
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# never re-resolved).
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_progress("base packages")
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pip_install(
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"Updating base packages",
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"--no-cache-dir",
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"--upgrade-package",
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"unsloth",
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"--upgrade-package",
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"unsloth-zoo",
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req = REQ_ROOT / "base.txt",
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)
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pip_install(
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"Overlaying local repo (editable)",
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"--no-cache-dir",
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"--no-deps",
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"-e",
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local_repo,
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constrain = False,
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)
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elif package_name != "unsloth":
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# Custom package name (e.g. roland-sloth for testing) — install directly
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_progress("base packages")
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pip_install(
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f"Installing {package_name}",
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"--no-cache-dir",
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package_name,
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)
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else:
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# Update path: upgrade only unsloth + unsloth-zoo while preserving
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# existing torch/CUDA installations. Torch is pre-installed by
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# install.sh / setup.ps1; --upgrade-package targets only base pkgs.
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_progress("base packages")
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pip_install(
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"Updating base packages",
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"--no-cache-dir",
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"--upgrade-package",
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"unsloth",
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"--upgrade-package",
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"unsloth-zoo",
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req = REQ_ROOT / "base.txt",
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)
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# pip_install(
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# "Installing additional unsloth dependencies",
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# "--no-cache-dir",
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# req = REQ_ROOT / "extras.txt",
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# )
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# 2b. AMD ROCm: reinstall torch with HIP wheels if the host has ROCm but the
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# venv received CPU-only torch (common when pip resolves torch from PyPI).
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# Must come immediately after base packages so torch is present for inspection.
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if not IS_WINDOWS and not IS_MACOS and not NO_TORCH:
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_progress("ROCm torch check")
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_ensure_rocm_torch()
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# pip_install(
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# "Installing extras (no-deps)",
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# "--no-deps",
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# "--no-cache-dir",
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# req = REQ_ROOT / "extras-no-deps.txt",
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# )
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# Windows + AMD GPU: PyTorch does not publish ROCm wheels for Windows.
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# Detect and warn so users know manual steps are needed for GPU training.
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if IS_WINDOWS and not NO_TORCH and not _has_usable_nvidia_gpu():
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# Validate actual AMD GPU presence (not just tool existence)
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import re as _re_win
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# # 4. Overrides (torchao, transformers) -- force-reinstall
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# _progress("dependency overrides")
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# pip_install(
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# "Installing dependency overrides",
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# "--force-reinstall",
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# "--no-cache-dir",
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# req = REQ_ROOT / "overrides.txt",
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# )
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def _win_amd_smi_has_gpu(stdout: str) -> bool:
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return bool(_re_win.search(r"(?im)^gpu\s*[:\[]\s*\d", stdout))
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_win_amd_gpu = False
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for _wcmd, _check_fn in (
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(["hipinfo"], lambda out: "gcnarchname" in out.lower()),
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(["amd-smi", "list"], _win_amd_smi_has_gpu),
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):
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_wexe = shutil.which(_wcmd[0])
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if not _wexe:
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continue
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try:
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_wr = subprocess.run(
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[_wexe, *_wcmd[1:]],
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stdout = subprocess.PIPE,
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stderr = subprocess.DEVNULL,
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text = True,
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timeout = 10,
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)
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except Exception:
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continue
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if _wr.returncode == 0 and _check_fn(_wr.stdout):
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_win_amd_gpu = True
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break
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if _win_amd_gpu:
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_safe_print(
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_dim(" Note:"),
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"AMD GPU detected on Windows. ROCm-enabled PyTorch must be",
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)
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_safe_print(
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" " * 8,
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"installed manually. See: https://docs.unsloth.ai/get-started/install-and-update/amd",
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)
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# 3. Extra dependencies
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_progress("unsloth extras")
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pip_install(
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"Installing additional unsloth dependencies",
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"--no-cache-dir",
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req = REQ_ROOT / "extras.txt",
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)
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# 3b. Extra dependencies (no-deps) -- audio model support etc.
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_progress("extra codecs")
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pip_install(
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"Installing extras (no-deps)",
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"--no-deps",
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"--no-cache-dir",
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req = REQ_ROOT / "extras-no-deps.txt",
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)
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# 4. Overrides (torchao, transformers) -- force-reinstall
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# Skip entirely when torch is unavailable (e.g. Intel Mac GGUF-only mode)
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# because overrides.txt contains torchao which requires torch.
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if NO_TORCH:
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_progress("dependency overrides (skipped, no torch)")
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else:
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_progress("dependency overrides")
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pip_install(
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"Installing dependency overrides",
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"--force-reinstall",
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"--no-cache-dir",
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req = REQ_ROOT / "overrides.txt",
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)
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# 5. Triton kernels (no-deps, from source)
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# Skip on Windows (no support) and macOS (no support).
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if not IS_WINDOWS and not IS_MACOS:
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_progress("triton kernels")
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pip_install(
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"Installing triton kernels",
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"--no-deps",
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"--no-cache-dir",
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req = REQ_ROOT / "triton-kernels.txt",
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constrain = False,
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)
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# # 5. Triton kernels (no-deps, from source)
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# # Skip on Windows (no support) and macOS (no support).
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# if not IS_WINDOWS and not IS_MACOS:
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# _progress("triton kernels")
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# pip_install(
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# "Installing triton kernels",
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# "--no-deps",
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# "--no-cache-dir",
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# req = REQ_ROOT / "triton-kernels.txt",
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# constrain = False,
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# )
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if not IS_WINDOWS and not IS_MACOS and not NO_TORCH:
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_progress("flash-attn")
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