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postinstall.py
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postinstall.py
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import importlib.util
import json
import os
import subprocess
import sys
from dataclasses import dataclass
from typing import Optional
import git
import torch
from packaging import version as pv
from importlib import metadata
from packaging.version import Version
from dreambooth import shared as db_shared
if sys.version_info < (3, 8):
import importlib_metadata
else:
import importlib.metadata as importlib_metadata
device = "cpu"
if torch.cuda.is_available():
device = "cuda"
try:
if torch.backends.mps.is_built():
torch.zeros(1).to(torch.device("mps"))
device = "mps"
except Exception:
pass
def actual_install():
if os.environ.get("PUBLIC_KEY", None):
print("Docker, returning.")
db_shared.launch_error = None
return
base_dir = os.path.dirname(os.path.realpath(__file__))
try:
repo = git.Repo(base_dir)
revision = repo.rev_parse("HEAD")
except:
revision = ""
print("If submitting an issue on github, please provide the full startup log for debugging purposes.")
print("")
print("Initializing Dreambooth")
print(f"Dreambooth revision: {revision}")
check_xformers()
# Only do this if we're using CUDA and not AMD
if device == "cuda":
check_bitsandbytes()
install_requirements()
check_versions()
check_torch_unsafe_load()
def pip_install(*args):
try:
output = subprocess.check_output(
[sys.executable, "-m", "pip", "install"] + list(args),
stderr=subprocess.STDOUT,
)
success = False
for line in output.decode().split("\n"):
if "Successfully installed" in line:
print(line)
success = True
return success
except subprocess.CalledProcessError as e:
print("Error occurred:", e.output.decode())
return False
def pip_uninstall(*args):
output = subprocess.check_output(
[sys.executable, "-m", "pip", "uninstall", "-y"] + list(args),
stderr=subprocess.STDOUT,
)
for line in output.decode().split("\n"):
if "Successfully uninstalled" in line:
print(line)
def is_installed(pkg: str, version: Optional[str] = None, check_strict: bool = True) -> bool:
try:
# Retrieve the package version from the installed package metadata
installed_version = metadata.version(pkg)
print(f"Installed version of {pkg}: {installed_version}")
# If version is not specified, just return True as the package is installed
if version is None:
return True
# Compare the installed version with the required version
if check_strict:
# Strict comparison (must be an exact match)
return pv.parse(installed_version) == pv.parse(version)
else:
# Non-strict comparison (installed version must be greater than or equal to the required version)
return pv.parse(installed_version) >= pv.parse(version)
except metadata.PackageNotFoundError:
# The package is not installed
return False
except Exception as e:
# Any other exceptions encountered
print(f"Error: {e}")
return False
def install_requirements():
dreambooth_skip_install = os.environ.get("DREAMBOOTH_SKIP_INSTALL", False)
req_file = os.path.join(os.path.dirname(os.path.realpath(__file__)), "requirements.txt")
req_file_startup_arg = os.environ.get("REQS_FILE", "requirements_versions.txt")
if dreambooth_skip_install or req_file == req_file_startup_arg:
return
print("Checking Dreambooth requirements...")
has_diffusers = importlib.util.find_spec("diffusers") is not None
has_tqdm = importlib.util.find_spec("tqdm") is not None
transformers_version = importlib_metadata.version("transformers")
non_strict_separators = ["==", ">=", "<=", ">", "<", "~="]
# Load the requirements file
with open(req_file, "r") as f:
reqs = f.readlines()
if os.name == "darwin":
reqs.append("tensorboard==2.11.2")
else:
reqs.append("tensorboard==2.13.0")
for line in reqs:
try:
package = line.strip()
if package and not package.startswith("#"):
package_version = None
strict = "==" in package
for separator in non_strict_separators:
if separator in package:
strict = separator == "=="
parts = line.split(separator)
if len(parts) < 2:
print(f"Invalid requirement: {line}")
continue
package = parts[0].strip()
package_version = parts[1].strip()
if "#" in package_version:
package_version = package_version.split("#")[0]
package = package.strip()
package_version = package_version.strip()
break
if "#" in package:
package = package.split("#")[0]
package = package.strip()
v_string = "" if not package_version else f" v{package_version}"
if not is_installed(package, package_version, strict):
print(f"[Dreambooth] {package}{v_string} is not installed.")
pip_install(line)
else:
print(f"[Dreambooth] {package}{v_string} is already installed.")
except subprocess.CalledProcessError as grepexc:
error_msg = grepexc.stdout.decode()
print_requirement_installation_error(error_msg)
if has_diffusers and has_tqdm and Version(transformers_version) < Version("4.26.1"):
print()
print("Does your project take forever to startup?")
print("Repetitive dependency installation may be the reason.")
print("Automatic1111's base project sets strict requirements on outdated dependencies.")
print(
"If an extension is using a newer version, the dependency is uninstalled and reinstalled twice every startup.")
print()
def check_xformers():
"""
Install xformers if necessary
"""
print("Checking xformers...")
try:
xformers_version = importlib_metadata.version("xformers")
xformers_outdated = Version(xformers_version) < Version("0.0.21")
# Parse arguments, see if --xformers is passed
from modules import shared
cmd_opts = shared.cmd_opts
if cmd_opts.xformers or cmd_opts.reinstall_xformers:
if xformers_outdated:
print("Xformers is outdated, and automatic installation has been removed. Please install manually if desired.")
except:
pass
def check_bitsandbytes():
"""
Check for "different" B&B Files and copy only if necessary
"""
print("Checking bitsandbytes...")
try:
bitsandbytes_version = importlib_metadata.version("bitsandbytes")
except:
bitsandbytes_version = None
print("Checking bitsandbytes (ALL!)")
if bitsandbytes_version is None or "0.43.0" not in bitsandbytes_version:
try:
print("Installing bitsandbytes")
pip_install("bitsandbytes==0.43.0", "--prefer-binary")
except:
print("Bitsandbytes 0.43.0 installation failed")
print("Some features such as 8bit optimizers will be unavailable")
print("Install manually with")
print("'python -m pip install bitsandbytes==0.43.0 --prefer-binary --force-install'")
pass
@dataclass
class Dependency:
module: str
version: str
version_comparison: str = "min"
required: bool = True
def check_versions():
import platform
from sys import platform as sys_platform
is_mac = sys_platform == 'darwin' and platform.machine() == 'arm64'
dependencies = [
Dependency(module="torch", version="1.13.1" if is_mac else "2.0.1+cu118"),
Dependency(module="torchvision", version="0.14.1" if is_mac else "0.15.2+cu118"),
Dependency(module="accelerate", version="0.21.0"),
Dependency(module="diffusers", version="0.23.1")
]
if device == "cuda":
dependencies.append(Dependency(module="bitsandbytes", version="0.43.0", required=False))
if device != "mps":
dependencies.append(Dependency(module="xformers", version="0.0.21", required=False))
launch_errors = []
for dependency in dependencies:
module = dependency.module
has_module = importlib.util.find_spec(module) is not None
installed_ver = importlib_metadata.version(module) if has_module else None
if not installed_ver:
module_msg = ""
if module != "xformers":
launch_errors.append(f"{module} not installed.")
module_msg = "(Be sure to use the --xformers flag.)"
print(f"[!] {module} NOT installed.{module_msg}")
continue
required_version = dependency.version
required_comparison = dependency.version_comparison
if required_comparison == "min" and Version(installed_ver) < Version(required_version):
if dependency.required:
launch_errors.append(f"{module} is below the required {required_version} version.")
print(f"[!] {module} version {installed_ver} installed.")
elif required_comparison == "exact" and Version(installed_ver) != Version(required_version):
launch_errors.append(f"{module} is not the required {required_version} version.")
print(f"[!] {module} version {installed_ver} installed.")
else:
print(f"[+] {module} version {installed_ver} installed.")
try:
if len(launch_errors):
print_launch_errors(launch_errors)
os.environ["ERRORS"] = json.dumps(launch_errors)
else:
os.environ["ERRORS"] = ""
except Exception as e:
print(e)
def print_requirement_installation_error(err):
print("# Requirement installation exception:")
for line in err.split('\n'):
line = line.strip()
if line:
print(line)
def print_bitsandbytes_installation_error(err):
print()
print("#######################################################################################################")
print("# BITSANDBYTES ISSUE DETECTED #")
print("#######################################################################################################")
print("#")
print("# Dreambooth could not find a compatible version of bitsandbytes.")
print("# bitsandbytes will not be available for Dreambooth.")
print("#")
print("# Bitsandbytes installation exception:")
for line in err.split('\n'):
line = line.strip()
if line:
print(line)
print("#")
print("# TO FIX THIS ISSUE, DO THE FOLLOWING:")
print("# 1. Fully restart your project (not just the webpage)")
print("# 2. Running the following commands from the A1111 project root:")
print("cd venv/Scripts")
print("activate")
print("cd ../..")
print("# WINDOWS ONLY: ")
print(
"pip install --prefer-binary --force-reinstall https://github.com/jllllll/bitsandbytes-windows-webui/releases/download/wheels/bitsandbytes-0.43.0.post2-py3-none-win_amd64.whl")
print("#######################################################################################################")
def print_xformers_installation_error(err):
torch_ver = importlib_metadata.version("torch")
print()
print("#######################################################################################################")
print("# XFORMERS ISSUE DETECTED #")
print("#######################################################################################################")
print("#")
print(f"# Dreambooth could not find a compatible version of xformers (>= 0.0.21 built with torch {torch_ver})")
print("# xformers will not be available for Dreambooth. Consider upgrading to Torch 2.")
print("#")
print("# Xformers installation exception:")
for line in err.split('\n'):
line = line.strip()
if line:
print(line)
print("#")
print("#######################################################################################################")
def print_launch_errors(launch_errors):
print()
print("#######################################################################################################")
print("# LIBRARY ISSUE DETECTED #")
print("#######################################################################################################")
print("#")
print("# " + "\n# ".join(launch_errors))
print("#")
print("# Dreambooth may not work properly.")
print("#")
print("# TROUBLESHOOTING")
print("# 1. Fully restart your project (not just the webpage)")
print("# 2. Update your A1111 project and extensions")
print("# 3. Dreambooth requirements should have installed automatically, but you can manually install them")
print("# by running the following commands from the A1111 project root:")
print("cd venv/Scripts")
print("activate")
print("cd ../..")
print("pip install -r ./extensions/sd_dreambooth_extension/requirements.txt")
print(
"pip install --prefer-binary --force-reinstall https://github.com/jllllll/bitsandbytes-windows-webui/releases/download/wheels/bitsandbytes-0.43.0.post2-py3-none-win_amd64.whl")
print("#######################################################################################################")
def check_torch_unsafe_load():
try:
from modules import safe
safe.load = safe.unsafe_torch_load
import torch
torch.load = safe.unsafe_torch_load
except:
pass
def print_xformers_torch1_instructions(xformers_version):
print(f"# Your version of xformers is {xformers_version}.")
print("# xformers >= 0.0.21 is required to be available on the Dreambooth tab.")
print("# Torch 1 wheels of xformers >= 0.0.21 are no longer available on PyPI,")
print("# but you can manually download them by going to:")
print("https://github.com/facebookresearch/xformers/actions")
print("# Click on the most recent action tagged with a release (middle column).")
print("# Select a download based on your environment.")
print("# Unzip your download")
print("# Activate your venv and install the wheel: (from A1111 project root)")
print("cd venv/Scripts")
print("activate")
print("pip install {REPLACE WITH PATH TO YOUR UNZIPPED .whl file}")
print("# Then restart your project.")