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111 lines
3.3 KiB
Python
111 lines
3.3 KiB
Python
5 years ago
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"""Inspect a target Python interpreter virtual environment wise"""
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import sys # built-in
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PYPY2_WIN = hasattr(sys, "pypy_version_info") and sys.platform != "win32" and sys.version_info[0] == 2
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def encode_path(value):
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if value is None:
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return None
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if not isinstance(value, (str, bytes)):
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if isinstance(value, type):
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value = repr(value)
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else:
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value = repr(type(value))
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if isinstance(value, bytes) and not PYPY2_WIN:
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value = value.decode(sys.getfilesystemencoding())
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return value
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def encode_list_path(value):
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return [encode_path(i) for i in value]
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def run():
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"""print debug data about the virtual environment"""
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try:
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from collections import OrderedDict
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except ImportError: # pragma: no cover
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# this is possible if the standard library cannot be accessed
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# noinspection PyPep8Naming
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OrderedDict = dict # pragma: no cover
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result = OrderedDict([("sys", OrderedDict())])
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path_keys = (
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"executable",
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"_base_executable",
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"prefix",
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"base_prefix",
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"real_prefix",
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"exec_prefix",
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"base_exec_prefix",
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"path",
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"meta_path",
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)
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for key in path_keys:
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value = getattr(sys, key, None)
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if isinstance(value, list):
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value = encode_list_path(value)
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else:
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value = encode_path(value)
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result["sys"][key] = value
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result["sys"]["fs_encoding"] = sys.getfilesystemencoding()
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result["sys"]["io_encoding"] = getattr(sys.stdout, "encoding", None)
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result["version"] = sys.version
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try:
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import sysconfig
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# https://bugs.python.org/issue22199
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makefile = getattr(sysconfig, "get_makefile_filename", getattr(sysconfig, "_get_makefile_filename", None))
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result["makefile_filename"] = encode_path(makefile())
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except ImportError:
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pass
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import os # landmark
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result["os"] = repr(os)
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try:
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# noinspection PyUnresolvedReferences
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import site # site
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result["site"] = repr(site)
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except ImportError as exception: # pragma: no cover
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result["site"] = repr(exception) # pragma: no cover
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try:
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# noinspection PyUnresolvedReferences
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import datetime # site
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result["datetime"] = repr(datetime)
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except ImportError as exception: # pragma: no cover
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result["datetime"] = repr(exception) # pragma: no cover
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try:
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# noinspection PyUnresolvedReferences
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import math # site
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result["math"] = repr(math)
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except ImportError as exception: # pragma: no cover
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result["math"] = repr(exception) # pragma: no cover
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# try to print out, this will validate if other core modules are available (json in this case)
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try:
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import json
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result["json"] = repr(json)
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except ImportError as exception:
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result["json"] = repr(exception)
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else:
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try:
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content = json.dumps(result, indent=2)
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sys.stdout.write(content)
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except (ValueError, TypeError) as exception: # pragma: no cover
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sys.stderr.write(repr(exception))
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sys.stdout.write(repr(result)) # pragma: no cover
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raise SystemExit(1) # pragma: no cover
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if __name__ == "__main__":
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run()
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