88 lines
2.1 KiB
Python
88 lines
2.1 KiB
Python
import collections
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import logging
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import os
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import subprocess
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import sys
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from pathlib import Path
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logger = logging.getLogger(__name__)
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logger.setLevel(logging.ERROR)
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CONFIG_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "config")
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CONFIG = os.path.join(CONFIG_DIR, "app.yaml")
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THIRD_PARTY = os.path.join(os.path.dirname(os.path.abspath(__file__)), "libs")
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CACHE_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "cache")
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PYTHON_PATH = None
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SUBPROCESS_DIR = None
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rtypes = []
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def load_config():
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import yaml
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try:
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with open(CONFIG, 'r') as config_file:
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return yaml.safe_load(config_file)
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except FileNotFoundError:
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logger.info("no config")
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return {}
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def save_config(config):
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import yaml
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logger.info("saving config")
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with open(CONFIG, 'w') as outfile:
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yaml.dump(config, outfile, default_flow_style=False)
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def module_can_be_imported(name):
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try:
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__import__(name)
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return True
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except ModuleNotFoundError:
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return False
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def get_package_install_directory():
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for path in sys.path:
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if os.path.basename(path) in ("dist-packages", "site-packages"):
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return path
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def install_pip():
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# pip can not necessarily be imported into Blender after this
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get_pip_path = Path(__file__).parent / "libs" / "get-pip.py"
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subprocess.run([str(PYTHON_PATH), str(get_pip_path)], cwd=SUBPROCESS_DIR)
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def install_package(name):
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target = get_package_install_directory()
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subprocess.run([str(PYTHON_PATH), "-m", "pip", "install",
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name, '--target', target], cwd=SUBPROCESS_DIR)
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def check_dir(dir):
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if not os.path.exists(dir):
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os.makedirs(dir)
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def setup(dependencies, python_path):
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global PYTHON_PATH, SUBPROCESS_DIR
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PYTHON_PATH = Path(python_path)
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SUBPROCESS_DIR = PYTHON_PATH.parent
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check_dir(CACHE_DIR)
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check_dir(CONFIG_DIR)
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if not module_can_be_imported("pip"):
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install_pip()
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for module_name, package_name in dependencies:
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if not module_can_be_imported(module_name):
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install_package(package_name)
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