mirror of
https://github.com/python/cpython.git
synced 2025-11-03 19:34:08 +00:00
598 lines
15 KiB
Python
598 lines
15 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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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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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_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.cwd', os, 'getcwd')
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call_func(info_add, 'os.uid', os, 'getuid')
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call_func(info_add, 'os.gid', 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.groups', 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.loadavg', os, 'getloadavg')
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# Get environment variables: filter to list
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# to not leak sensitive information
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ENV_VARS = (
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"CC",
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"COMSPEC",
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"DISPLAY",
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"DISTUTILS_USE_SDK",
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"DYLD_LIBRARY_PATH",
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"HOME",
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"HOMEDRIVE",
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"HOMEPATH",
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"LANG",
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"LD_LIBRARY_PATH",
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"MACOSX_DEPLOYMENT_TARGET",
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"MAKEFLAGS",
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"MSSDK",
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"PATH",
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"SDK_TOOLS_BIN",
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"SHELL",
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"TEMP",
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"TERM",
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"TMP",
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"TMPDIR",
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"USERPROFILE",
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"WAYLAND_DISPLAY",
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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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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_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 ('time', 'perf_counter'):
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tinfo = time.get_clock_info(clock)
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info_add('time.get_clock_info(%s)' % clock, tinfo)
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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_LDFLAGS',
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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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try:
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import ssl
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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 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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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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attributes = ('__libmpdec_version__',)
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copy_attributes(info_add, _decimal, '_decimal.%s', attributes)
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def collect_testcapi(info_add):
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try:
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import _testcapi
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except ImportError:
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return
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call_func(info_add, 'pymem.allocator', _testcapi, 'pymem_getallocatorsname')
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copy_attr(info_add, 'pymem.with_pymalloc', _testcapi, 'WITH_PYMALLOC')
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def collect_resource(info_add):
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try:
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import resource
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except ImportError:
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return
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limits = [attr for attr in dir(resource) if attr.startswith('RLIMIT_')]
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for name in limits:
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key = getattr(resource, name)
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value = resource.getrlimit(key)
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info_add('resource.%s' % name, value)
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def collect_test_socket(info_add):
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try:
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from test import test_socket
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except ImportError:
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return
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# all check attributes like HAVE_SOCKET_CAN
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attributes = [name for name in dir(test_socket)
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if name.startswith('HAVE_')]
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copy_attributes(info_add, test_socket, 'test_socket.%s', attributes)
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def collect_test_support(info_add):
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try:
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from test import support
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except ImportError:
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return
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attributes = ('IPV6_ENABLED',)
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copy_attributes(info_add, support, 'test_support.%s', attributes)
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call_func(info_add, 'test_support._is_gui_available', support, '_is_gui_available')
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call_func(info_add, 'test_support.python_is_optimized', support, 'python_is_optimized')
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def collect_cc(info_add):
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import subprocess
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import sysconfig
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CC = sysconfig.get_config_var('CC')
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if not CC:
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return
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try:
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import shlex
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args = shlex.split(CC)
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except ImportError:
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args = CC.split()
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args.append('--version')
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proc = subprocess.Popen(args,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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universal_newlines=True)
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stdout = proc.communicate()[0]
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if proc.returncode:
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# CC --version failed: ignore error
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return
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text = stdout.splitlines()[0]
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text = normalize_text(text)
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info_add('CC.version', text)
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def collect_info(info):
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error = False
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info_add = info.add
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for collect_func in (
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# collect_os() should be the first, to check the getrandom() status
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collect_os,
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collect_builtins,
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collect_gdb,
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collect_locale,
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collect_platform,
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collect_readline,
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collect_socket,
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collect_sqlite,
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collect_ssl,
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collect_sys,
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collect_sysconfig,
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collect_time,
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collect_datetime,
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collect_tkinter,
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collect_zlib,
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collect_expat,
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collect_decimal,
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collect_testcapi,
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collect_resource,
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collect_cc,
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# Collecting from tests should be last as they have side effects.
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collect_test_socket,
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collect_test_support,
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):
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try:
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collect_func(info_add)
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except Exception as exc:
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error = True
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print("ERROR: %s() failed" % (collect_func.__name__),
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file=sys.stderr)
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traceback.print_exc(file=sys.stderr)
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print(file=sys.stderr)
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sys.stderr.flush()
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return error
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def dump_info(info, file=None):
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title = "Python debug information"
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print(title)
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print("=" * len(title))
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print()
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infos = info.get_infos()
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infos = sorted(infos.items())
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for key, value in infos:
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value = value.replace("\n", " ")
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print("%s: %s" % (key, value))
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print()
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def main():
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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()
|