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Merge pull request #170 from LucianoCirino/Improve-Auto-Package-Installation

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Improve Auto Package Installation
This commit is contained in:
TSC
2023-09-12 07:27:10 -05:00
committed by GitHub
parent 16602c024e 9634646b40
commit 92be0df261
1 changed files with 25 additions and 31 deletions
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48
tsc_utils.py
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@@ -472,11 +472,20 @@ def global_preview_method():
#-----------------------------------------------------------------------------------------------------------------------
# Auto install Efficiency Nodes Python package dependencies
import subprocess
# Note: This auto-installer installs packages listed in the requirements.txt.
# Note: This auto-installer attempts to import packages listed in the requirements.txt.
# If the import fails, indicating the package isn't installed, the installer proceeds to install the package.
# It first checks if python.exe exists inside the ...\ComfyUI_windows_portable\python_embeded directory.
# If python.exe is found in that location, it will use this embedded Python version for the installation.
# Otherwise, it uses the Python interpreter that's currently executing the script (via sys.executable) to attempt a general pip install of the packages.
# If any errors occur during installation, the user is directed to manually install the required packages.
# Otherwise, it uses the Python interpreter that's currently executing the script (via sys.executable)
# to attempt a general pip install of the packages. If any errors occur during installation, an error message is
# printed with the reason for the failure, and the user is directed to manually install the required packages.
def is_package_installed(pkg_name):
try:
__import__(pkg_name)
return True
except ImportError:
return False
def install_packages(my_dir):
# Compute path to the target site-packages
@@ -490,41 +499,26 @@ def install_packages(my_dir):
with open(os.path.join(my_dir, 'requirements.txt'), 'r') as f:
required_packages = [line.strip() for line in f if line.strip()]
try:
installed_packages = packages(embedded_python_exe if use_embedded else None, versions=False)
for pkg in required_packages:
if pkg not in installed_packages:
if not is_package_installed(pkg):
printout = f"Installing required package '{pkg}'..."
print(f"{message('Efficiency Nodes:')} {printout}", end='', flush=True)
try:
if use_embedded: # Targeted installation
subprocess.check_call([embedded_python_exe, '-m', 'pip', 'install', pkg, '--target=' + target_dir,
'--no-warn-script-location', '--disable-pip-version-check'],
stdout=subprocess.DEVNULL, stderr=subprocess.PIPE)
stdout=subprocess.DEVNULL, stderr=subprocess.PIPE, timeout=7)
else: # Untargeted installation
subprocess.check_call([sys.executable, "-m", "pip", 'install', pkg],
stdout=subprocess.DEVNULL, stderr=subprocess.PIPE)
print(f"\r{message('Efficiency Nodes:')} {printout}{success('Installed!')}", flush=True)
except Exception as e: # This catches all exceptions derived from the base Exception class
print_general_error_message()
def packages(python_exe=None, versions=False):
try:
if python_exe:
return [(r.decode().split('==')[0] if not versions else r.decode()) for r in
subprocess.check_output([python_exe, '-m', 'pip', 'freeze']).split()]
else:
return [(r.split('==')[0] if not versions else r) for r in
subprocess.getoutput([sys.executable, "-m", "pip", "freeze"]).splitlines()]
except subprocess.CalledProcessError as e:
raise e # re-raise the error to handle it outside
stdout=subprocess.DEVNULL, stderr=subprocess.PIPE, timeout=7)
print(f"\r{message('Efficiency Nodes:')} {printout}{success(' Installed!')}", flush=True)
except Exception as e:
print(f"\r{message('Efficiency Nodes:')} {printout}{error(' Failed!')}", flush=True)
print(f"{warning(str(e))}")
def print_general_error_message():
print(
f"\r{message('Efficiency Nodes:')} An unexpected error occurred during the package installation process. {error('Failed!')}")
print(f"{message('Efficiency Nodes:')} An unexpected error occurred during the package installation process. {error('Failed!')}")
print(warning("Please try manually installing the required packages from the requirements.txt file."))
# Install missing packages