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81 lines
2.0 KiB
Python
81 lines
2.0 KiB
Python
"""
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horrible hack to overcome horrible design choices by easy_install/setuptools
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If we don't do this then the scripts will be slow to start up because of
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pkg_resources.require() which is called by setuptools to ensure the
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"correct" version of the package is installed.
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"""
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import os
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def log(text):
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# for debugging
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pass
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# print(text)
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def find_script_path(script_name):
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for path in os.environ["PATH"].split(os.pathsep):
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script_path = os.path.join(path, script_name)
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if os.path.isfile(script_path):
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return script_path
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return None
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def is_already_modified():
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return bool(os.environ.get("IMAGINAIRY_SCRIPT_MODIFIED"))
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def remove_pkg_resources_requirement(script_path):
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import shutil
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import tempfile
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with open(script_path) as file:
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lines = file.readlines()
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with tempfile.NamedTemporaryFile(mode="w", delete=False) as temp_file:
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for line in lines:
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if "__import__('pkg_resources').require" not in line:
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temp_file.write(line)
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else:
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temp_file.write(
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'\nimport os\nos.environ["IMAGINAIRY_SCRIPT_MODIFIED"] = "1"\n'
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)
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log(f"Writing to {temp_file.name}")
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# Preserve the original file permissions
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original_permissions = os.stat(script_path).st_mode
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os.chmod(temp_file.name, original_permissions)
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# Replace the original file with the modified one
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shutil.move(temp_file.name, script_path)
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log(f"Replaced {script_path}")
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has_run = False
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def unslowify_scripts():
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global has_run
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if has_run or is_already_modified():
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return
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has_run = True
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script_names = ["aimg", "imagine"]
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for script_name in script_names:
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script_path = find_script_path(script_name)
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log(f"Found script {script_name} at {script_path}")
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if script_path:
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remove_pkg_resources_requirement(script_path)
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def unslowify_scripts_safe():
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try: # noqa
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unslowify_scripts()
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except Exception: # noqa
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pass
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