mirror of
https://github.com/python/cpython.git
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293dd23477
Capturing exceptions into names can lead to reference cycles though the __traceback__ attribute of the exceptions in some obscure cases that have been reported previously and fixed individually. As these variables are not used anyway, we can remove the binding to reduce the chances of creating reference cycles. See for example GH-13135
793 lines
20 KiB
Python
793 lines
20 KiB
Python
"""
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Collect various information about Python to help debugging test failures.
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"""
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from __future__ import print_function
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import errno
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import re
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import sys
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import traceback
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import warnings
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def normalize_text(text):
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if text is None:
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return None
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text = str(text)
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text = re.sub(r'\s+', ' ', text)
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return text.strip()
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class PythonInfo:
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def __init__(self):
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self.info = {}
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def add(self, key, value):
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if key in self.info:
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raise ValueError("duplicate key: %r" % key)
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if value is None:
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return
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if not isinstance(value, int):
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if not isinstance(value, str):
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# convert other objects like sys.flags to string
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value = str(value)
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value = value.strip()
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if not value:
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return
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self.info[key] = value
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def get_infos(self):
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"""
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Get information as a key:value dictionary where values are strings.
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"""
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return {key: str(value) for key, value in self.info.items()}
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def copy_attributes(info_add, obj, name_fmt, attributes, *, formatter=None):
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for attr in attributes:
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value = getattr(obj, attr, None)
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if value is None:
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continue
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name = name_fmt % attr
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if formatter is not None:
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value = formatter(attr, value)
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info_add(name, value)
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def copy_attr(info_add, name, mod, attr_name):
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try:
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value = getattr(mod, attr_name)
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except AttributeError:
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return
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info_add(name, value)
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def call_func(info_add, name, mod, func_name, *, formatter=None):
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try:
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func = getattr(mod, func_name)
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except AttributeError:
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return
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value = func()
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if formatter is not None:
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value = formatter(value)
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info_add(name, value)
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def collect_sys(info_add):
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attributes = (
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'_framework',
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'abiflags',
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'api_version',
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'builtin_module_names',
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'byteorder',
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'dont_write_bytecode',
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'executable',
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'flags',
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'float_info',
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'float_repr_style',
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'hash_info',
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'hexversion',
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'implementation',
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'int_info',
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'maxsize',
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'maxunicode',
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'path',
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'platform',
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'prefix',
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'thread_info',
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'version',
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'version_info',
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'winver',
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)
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copy_attributes(info_add, sys, 'sys.%s', attributes)
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call_func(info_add, 'sys.androidapilevel', sys, 'getandroidapilevel')
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call_func(info_add, 'sys.windowsversion', sys, 'getwindowsversion')
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encoding = sys.getfilesystemencoding()
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if hasattr(sys, 'getfilesystemencodeerrors'):
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encoding = '%s/%s' % (encoding, sys.getfilesystemencodeerrors())
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info_add('sys.filesystem_encoding', encoding)
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for name in ('stdin', 'stdout', 'stderr'):
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stream = getattr(sys, name)
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if stream is None:
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continue
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encoding = getattr(stream, 'encoding', None)
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if not encoding:
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continue
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errors = getattr(stream, 'errors', None)
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if errors:
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encoding = '%s/%s' % (encoding, errors)
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info_add('sys.%s.encoding' % name, encoding)
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# Were we compiled --with-pydebug or with #define Py_DEBUG?
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Py_DEBUG = hasattr(sys, 'gettotalrefcount')
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if Py_DEBUG:
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text = 'Yes (sys.gettotalrefcount() present)'
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else:
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text = 'No (sys.gettotalrefcount() missing)'
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info_add('Py_DEBUG', text)
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def collect_platform(info_add):
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import platform
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arch = platform.architecture()
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arch = ' '.join(filter(bool, arch))
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info_add('platform.architecture', arch)
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info_add('platform.python_implementation',
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platform.python_implementation())
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info_add('platform.platform',
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platform.platform(aliased=True))
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libc_ver = ('%s %s' % platform.libc_ver()).strip()
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if libc_ver:
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info_add('platform.libc_ver', libc_ver)
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def collect_locale(info_add):
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import locale
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info_add('locale.encoding', locale.getpreferredencoding(False))
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def collect_builtins(info_add):
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info_add('builtins.float.float_format', float.__getformat__("float"))
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info_add('builtins.float.double_format', float.__getformat__("double"))
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def collect_urandom(info_add):
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import os
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if hasattr(os, 'getrandom'):
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# PEP 524: Check if system urandom is initialized
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try:
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try:
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os.getrandom(1, os.GRND_NONBLOCK)
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state = 'ready (initialized)'
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except BlockingIOError as exc:
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state = 'not seeded yet (%s)' % exc
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info_add('os.getrandom', state)
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except OSError as exc:
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# Python was compiled on a more recent Linux version
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# than the current Linux kernel: ignore OSError(ENOSYS)
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if exc.errno != errno.ENOSYS:
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raise
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def collect_os(info_add):
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import os
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def format_attr(attr, value):
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if attr in ('supports_follow_symlinks', 'supports_fd',
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'supports_effective_ids'):
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return str(sorted(func.__name__ for func in value))
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else:
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return value
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attributes = (
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'name',
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'supports_bytes_environ',
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'supports_effective_ids',
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'supports_fd',
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'supports_follow_symlinks',
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)
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copy_attributes(info_add, os, 'os.%s', attributes, formatter=format_attr)
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call_func(info_add, 'os.getcwd', os, 'getcwd')
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call_func(info_add, 'os.getuid', os, 'getuid')
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call_func(info_add, 'os.getgid', os, 'getgid')
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call_func(info_add, 'os.uname', os, 'uname')
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def format_groups(groups):
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return ', '.join(map(str, groups))
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call_func(info_add, 'os.getgroups', os, 'getgroups', formatter=format_groups)
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if hasattr(os, 'getlogin'):
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try:
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login = os.getlogin()
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except OSError:
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# getlogin() fails with "OSError: [Errno 25] Inappropriate ioctl
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# for device" on Travis CI
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pass
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else:
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info_add("os.login", login)
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call_func(info_add, 'os.cpu_count', os, 'cpu_count')
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call_func(info_add, 'os.getloadavg', os, 'getloadavg')
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# Environment variables used by the stdlib and tests. Don't log the full
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# environment: filter to list to not leak sensitive information.
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#
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# HTTP_PROXY is not logged because it can contain a password.
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ENV_VARS = frozenset((
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"APPDATA",
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"AR",
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"ARCHFLAGS",
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"ARFLAGS",
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"AUDIODEV",
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"CC",
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"CFLAGS",
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"COLUMNS",
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"COMPUTERNAME",
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"COMSPEC",
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"CPP",
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"CPPFLAGS",
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"DISPLAY",
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"DISTUTILS_DEBUG",
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"DISTUTILS_USE_SDK",
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"DYLD_LIBRARY_PATH",
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"ENSUREPIP_OPTIONS",
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"HISTORY_FILE",
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"HOME",
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"HOMEDRIVE",
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"HOMEPATH",
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"IDLESTARTUP",
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"LANG",
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"LDFLAGS",
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"LDSHARED",
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"LD_LIBRARY_PATH",
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"LINES",
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"MACOSX_DEPLOYMENT_TARGET",
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"MAILCAPS",
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"MAKEFLAGS",
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"MIXERDEV",
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"MSSDK",
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"PATH",
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"PATHEXT",
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"PIP_CONFIG_FILE",
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"PLAT",
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"POSIXLY_CORRECT",
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"PY_SAX_PARSER",
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"ProgramFiles",
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"ProgramFiles(x86)",
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"RUNNING_ON_VALGRIND",
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"SDK_TOOLS_BIN",
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"SERVER_SOFTWARE",
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"SHELL",
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"SOURCE_DATE_EPOCH",
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"SYSTEMROOT",
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"TEMP",
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"TERM",
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"TILE_LIBRARY",
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"TIX_LIBRARY",
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"TMP",
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"TMPDIR",
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"TRAVIS",
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"TZ",
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"USERPROFILE",
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"VIRTUAL_ENV",
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"WAYLAND_DISPLAY",
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"WINDIR",
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"_PYTHON_HOST_PLATFORM",
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"_PYTHON_PROJECT_BASE",
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"_PYTHON_SYSCONFIGDATA_NAME",
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"__PYVENV_LAUNCHER__",
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))
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for name, value in os.environ.items():
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uname = name.upper()
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if (uname in ENV_VARS
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# Copy PYTHON* and LC_* variables
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or uname.startswith(("PYTHON", "LC_"))
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# Visual Studio: VS140COMNTOOLS
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or (uname.startswith("VS") and uname.endswith("COMNTOOLS"))):
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info_add('os.environ[%s]' % name, value)
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if hasattr(os, 'umask'):
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mask = os.umask(0)
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os.umask(mask)
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info_add("os.umask", '%03o' % mask)
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def collect_pwd(info_add):
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try:
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import pwd
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except ImportError:
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return
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import os
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uid = os.getuid()
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try:
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entry = pwd.getpwuid(uid)
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except KeyError:
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entry = None
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info_add('pwd.getpwuid(%s)'% uid,
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entry if entry is not None else '<KeyError>')
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if entry is None:
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# there is nothing interesting to read if the current user identifier
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# is not the password database
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return
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if hasattr(os, 'getgrouplist'):
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groups = os.getgrouplist(entry.pw_name, entry.pw_gid)
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groups = ', '.join(map(str, groups))
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info_add('os.getgrouplist', groups)
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def collect_readline(info_add):
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try:
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import readline
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except ImportError:
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return
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def format_attr(attr, value):
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if isinstance(value, int):
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return "%#x" % value
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else:
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return value
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attributes = (
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"_READLINE_VERSION",
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"_READLINE_RUNTIME_VERSION",
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"_READLINE_LIBRARY_VERSION",
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)
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copy_attributes(info_add, readline, 'readline.%s', attributes,
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formatter=format_attr)
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if not hasattr(readline, "_READLINE_LIBRARY_VERSION"):
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# _READLINE_LIBRARY_VERSION has been added to CPython 3.7
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doc = getattr(readline, '__doc__', '')
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if 'libedit readline' in doc:
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info_add('readline.library', 'libedit readline')
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elif 'GNU readline' in doc:
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info_add('readline.library', 'GNU readline')
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def collect_gdb(info_add):
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import subprocess
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try:
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proc = subprocess.Popen(["gdb", "-nx", "--version"],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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universal_newlines=True)
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version = proc.communicate()[0]
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except OSError:
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return
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# Only keep the first line
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version = version.splitlines()[0]
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info_add('gdb_version', version)
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def collect_tkinter(info_add):
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try:
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import _tkinter
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except ImportError:
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pass
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else:
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attributes = ('TK_VERSION', 'TCL_VERSION')
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copy_attributes(info_add, _tkinter, 'tkinter.%s', attributes)
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try:
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import tkinter
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except ImportError:
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pass
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else:
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tcl = tkinter.Tcl()
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patchlevel = tcl.call('info', 'patchlevel')
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info_add('tkinter.info_patchlevel', patchlevel)
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def collect_time(info_add):
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import time
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info_add('time.time', time.time())
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attributes = (
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'altzone',
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'daylight',
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'timezone',
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'tzname',
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)
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copy_attributes(info_add, time, 'time.%s', attributes)
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if hasattr(time, 'get_clock_info'):
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for clock in ('clock', 'monotonic', 'perf_counter',
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'process_time', 'thread_time', 'time'):
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try:
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# prevent DeprecatingWarning on get_clock_info('clock')
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with warnings.catch_warnings(record=True):
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clock_info = time.get_clock_info(clock)
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except ValueError:
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# missing clock like time.thread_time()
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pass
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else:
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info_add('time.get_clock_info(%s)' % clock, clock_info)
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def collect_datetime(info_add):
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try:
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import datetime
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except ImportError:
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return
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info_add('datetime.datetime.now', datetime.datetime.now())
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def collect_sysconfig(info_add):
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import sysconfig
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for name in (
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'ABIFLAGS',
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'ANDROID_API_LEVEL',
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'CC',
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'CCSHARED',
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'CFLAGS',
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'CFLAGSFORSHARED',
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'CONFIG_ARGS',
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'HOST_GNU_TYPE',
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'MACHDEP',
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'MULTIARCH',
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'OPT',
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'PY_CFLAGS',
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'PY_CFLAGS_NODIST',
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'PY_CORE_LDFLAGS',
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'PY_LDFLAGS',
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'PY_LDFLAGS_NODIST',
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'PY_STDMODULE_CFLAGS',
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'Py_DEBUG',
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'Py_ENABLE_SHARED',
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'SHELL',
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'SOABI',
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'prefix',
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):
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value = sysconfig.get_config_var(name)
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if name == 'ANDROID_API_LEVEL' and not value:
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# skip ANDROID_API_LEVEL=0
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continue
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value = normalize_text(value)
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info_add('sysconfig[%s]' % name, value)
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def collect_ssl(info_add):
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import os
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try:
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import ssl
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except ImportError:
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return
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try:
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import _ssl
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except ImportError:
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_ssl = None
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def format_attr(attr, value):
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if attr.startswith('OP_'):
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return '%#8x' % value
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else:
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return value
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attributes = (
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'OPENSSL_VERSION',
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'OPENSSL_VERSION_INFO',
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'HAS_SNI',
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'OP_ALL',
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'OP_NO_TLSv1_1',
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)
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copy_attributes(info_add, ssl, 'ssl.%s', attributes, formatter=format_attr)
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for name, ctx in (
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('SSLContext', ssl.SSLContext()),
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('default_https_context', ssl._create_default_https_context()),
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('stdlib_context', ssl._create_stdlib_context()),
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):
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attributes = (
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'minimum_version',
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'maximum_version',
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'protocol',
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'options',
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'verify_mode',
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)
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copy_attributes(info_add, ctx, f'ssl.{name}.%s', attributes)
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env_names = ["OPENSSL_CONF", "SSLKEYLOGFILE"]
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if _ssl is not None and hasattr(_ssl, 'get_default_verify_paths'):
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parts = _ssl.get_default_verify_paths()
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env_names.extend((parts[0], parts[2]))
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for name in env_names:
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try:
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value = os.environ[name]
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except KeyError:
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continue
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info_add('ssl.environ[%s]' % name, value)
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def collect_socket(info_add):
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import socket
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hostname = socket.gethostname()
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info_add('socket.hostname', hostname)
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def collect_sqlite(info_add):
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try:
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import sqlite3
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except ImportError:
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return
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attributes = ('version', 'sqlite_version')
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copy_attributes(info_add, sqlite3, 'sqlite3.%s', attributes)
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def collect_zlib(info_add):
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try:
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import zlib
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except ImportError:
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return
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attributes = ('ZLIB_VERSION', 'ZLIB_RUNTIME_VERSION')
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copy_attributes(info_add, zlib, 'zlib.%s', attributes)
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def collect_expat(info_add):
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try:
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from xml.parsers import expat
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except ImportError:
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return
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attributes = ('EXPAT_VERSION',)
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copy_attributes(info_add, expat, 'expat.%s', attributes)
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def collect_decimal(info_add):
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try:
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import _decimal
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except ImportError:
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return
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|
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attributes = ('__libmpdec_version__',)
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copy_attributes(info_add, _decimal, '_decimal.%s', attributes)
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def collect_testcapi(info_add):
|
|
try:
|
|
import _testcapi
|
|
except ImportError:
|
|
return
|
|
|
|
call_func(info_add, 'pymem.allocator', _testcapi, 'pymem_getallocatorsname')
|
|
copy_attr(info_add, 'pymem.with_pymalloc', _testcapi, 'WITH_PYMALLOC')
|
|
|
|
|
|
def collect_resource(info_add):
|
|
try:
|
|
import resource
|
|
except ImportError:
|
|
return
|
|
|
|
limits = [attr for attr in dir(resource) if attr.startswith('RLIMIT_')]
|
|
for name in limits:
|
|
key = getattr(resource, name)
|
|
value = resource.getrlimit(key)
|
|
info_add('resource.%s' % name, value)
|
|
|
|
call_func(info_add, 'resource.pagesize', resource, 'getpagesize')
|
|
|
|
|
|
def collect_test_socket(info_add):
|
|
try:
|
|
from test import test_socket
|
|
except ImportError:
|
|
return
|
|
|
|
# all check attributes like HAVE_SOCKET_CAN
|
|
attributes = [name for name in dir(test_socket)
|
|
if name.startswith('HAVE_')]
|
|
copy_attributes(info_add, test_socket, 'test_socket.%s', attributes)
|
|
|
|
|
|
def collect_test_support(info_add):
|
|
try:
|
|
from test import support
|
|
except ImportError:
|
|
return
|
|
|
|
attributes = ('IPV6_ENABLED',)
|
|
copy_attributes(info_add, support, 'test_support.%s', attributes)
|
|
|
|
call_func(info_add, 'test_support._is_gui_available', support, '_is_gui_available')
|
|
call_func(info_add, 'test_support.python_is_optimized', support, 'python_is_optimized')
|
|
|
|
|
|
def collect_cc(info_add):
|
|
import subprocess
|
|
import sysconfig
|
|
|
|
CC = sysconfig.get_config_var('CC')
|
|
if not CC:
|
|
return
|
|
|
|
try:
|
|
import shlex
|
|
args = shlex.split(CC)
|
|
except ImportError:
|
|
args = CC.split()
|
|
args.append('--version')
|
|
try:
|
|
proc = subprocess.Popen(args,
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT,
|
|
universal_newlines=True)
|
|
except OSError:
|
|
# Cannot run the compiler, for example when Python has been
|
|
# cross-compiled and installed on the target platform where the
|
|
# compiler is missing.
|
|
return
|
|
|
|
stdout = proc.communicate()[0]
|
|
if proc.returncode:
|
|
# CC --version failed: ignore error
|
|
return
|
|
|
|
text = stdout.splitlines()[0]
|
|
text = normalize_text(text)
|
|
info_add('CC.version', text)
|
|
|
|
|
|
def collect_gdbm(info_add):
|
|
try:
|
|
from _gdbm import _GDBM_VERSION
|
|
except ImportError:
|
|
return
|
|
|
|
info_add('gdbm.GDBM_VERSION', '.'.join(map(str, _GDBM_VERSION)))
|
|
|
|
|
|
def collect_get_config(info_add):
|
|
# Get global configuration variables, _PyPreConfig and _PyCoreConfig
|
|
try:
|
|
from _testinternalcapi import get_configs
|
|
except ImportError:
|
|
return
|
|
|
|
all_configs = get_configs()
|
|
for config_type in sorted(all_configs):
|
|
config = all_configs[config_type]
|
|
for key in sorted(config):
|
|
info_add('%s[%s]' % (config_type, key), repr(config[key]))
|
|
|
|
|
|
def collect_subprocess(info_add):
|
|
import subprocess
|
|
copy_attributes(info_add, subprocess, 'subprocess.%s', ('_USE_POSIX_SPAWN',))
|
|
|
|
|
|
def collect_windows(info_add):
|
|
try:
|
|
import ctypes
|
|
except ImportError:
|
|
return
|
|
|
|
if not hasattr(ctypes, 'WinDLL'):
|
|
return
|
|
|
|
ntdll = ctypes.WinDLL('ntdll')
|
|
BOOLEAN = ctypes.c_ubyte
|
|
|
|
try:
|
|
RtlAreLongPathsEnabled = ntdll.RtlAreLongPathsEnabled
|
|
except AttributeError:
|
|
res = '<function not available>'
|
|
else:
|
|
RtlAreLongPathsEnabled.restype = BOOLEAN
|
|
RtlAreLongPathsEnabled.argtypes = ()
|
|
res = bool(RtlAreLongPathsEnabled())
|
|
info_add('windows.RtlAreLongPathsEnabled', res)
|
|
|
|
try:
|
|
import _winapi
|
|
dll_path = _winapi.GetModuleFileName(sys.dllhandle)
|
|
info_add('windows.dll_path', dll_path)
|
|
except (ImportError, AttributeError):
|
|
pass
|
|
|
|
|
|
def collect_info(info):
|
|
error = False
|
|
info_add = info.add
|
|
|
|
for collect_func in (
|
|
# collect_urandom() must be the first, to check the getrandom() status.
|
|
# Other functions may block on os.urandom() indirectly and so change
|
|
# its state.
|
|
collect_urandom,
|
|
|
|
collect_builtins,
|
|
collect_cc,
|
|
collect_datetime,
|
|
collect_decimal,
|
|
collect_expat,
|
|
collect_gdb,
|
|
collect_gdbm,
|
|
collect_get_config,
|
|
collect_locale,
|
|
collect_os,
|
|
collect_platform,
|
|
collect_pwd,
|
|
collect_readline,
|
|
collect_resource,
|
|
collect_socket,
|
|
collect_sqlite,
|
|
collect_ssl,
|
|
collect_subprocess,
|
|
collect_sys,
|
|
collect_sysconfig,
|
|
collect_testcapi,
|
|
collect_time,
|
|
collect_tkinter,
|
|
collect_windows,
|
|
collect_zlib,
|
|
|
|
# Collecting from tests should be last as they have side effects.
|
|
collect_test_socket,
|
|
collect_test_support,
|
|
):
|
|
try:
|
|
collect_func(info_add)
|
|
except Exception:
|
|
error = True
|
|
print("ERROR: %s() failed" % (collect_func.__name__),
|
|
file=sys.stderr)
|
|
traceback.print_exc(file=sys.stderr)
|
|
print(file=sys.stderr)
|
|
sys.stderr.flush()
|
|
|
|
return error
|
|
|
|
|
|
def dump_info(info, file=None):
|
|
title = "Python debug information"
|
|
print(title)
|
|
print("=" * len(title))
|
|
print()
|
|
|
|
infos = info.get_infos()
|
|
infos = sorted(infos.items())
|
|
for key, value in infos:
|
|
value = value.replace("\n", " ")
|
|
print("%s: %s" % (key, value))
|
|
print()
|
|
|
|
|
|
def main():
|
|
info = PythonInfo()
|
|
error = collect_info(info)
|
|
dump_info(info)
|
|
|
|
if error:
|
|
print("Collection failed: exit with error", file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|