758 lines
20 KiB
Python
758 lines
20 KiB
Python
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"""
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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_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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# 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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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 ('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())
|
||
|
|
|
||
|
|
|
||
|
|
def collect_sysconfig(info_add):
|
||
|
|
import sysconfig
|
||
|
|
|
||
|
|
for name in (
|
||
|
|
'ABIFLAGS',
|
||
|
|
'ANDROID_API_LEVEL',
|
||
|
|
'CC',
|
||
|
|
'CCSHARED',
|
||
|
|
'CFLAGS',
|
||
|
|
'CFLAGSFORSHARED',
|
||
|
|
'CONFIG_ARGS',
|
||
|
|
'HOST_GNU_TYPE',
|
||
|
|
'MACHDEP',
|
||
|
|
'MULTIARCH',
|
||
|
|
'OPT',
|
||
|
|
'PY_CFLAGS',
|
||
|
|
'PY_CFLAGS_NODIST',
|
||
|
|
'PY_CORE_LDFLAGS',
|
||
|
|
'PY_LDFLAGS',
|
||
|
|
'PY_LDFLAGS_NODIST',
|
||
|
|
'PY_STDMODULE_CFLAGS',
|
||
|
|
'Py_DEBUG',
|
||
|
|
'Py_ENABLE_SHARED',
|
||
|
|
'SHELL',
|
||
|
|
'SOABI',
|
||
|
|
'prefix',
|
||
|
|
):
|
||
|
|
value = sysconfig.get_config_var(name)
|
||
|
|
if name == 'ANDROID_API_LEVEL' and not value:
|
||
|
|
# skip ANDROID_API_LEVEL=0
|
||
|
|
continue
|
||
|
|
value = normalize_text(value)
|
||
|
|
info_add('sysconfig[%s]' % name, value)
|
||
|
|
|
||
|
|
|
||
|
|
def collect_ssl(info_add):
|
||
|
|
import os
|
||
|
|
try:
|
||
|
|
import ssl
|
||
|
|
except ImportError:
|
||
|
|
return
|
||
|
|
try:
|
||
|
|
import _ssl
|
||
|
|
except ImportError:
|
||
|
|
_ssl = None
|
||
|
|
|
||
|
|
def format_attr(attr, value):
|
||
|
|
if attr.startswith('OP_'):
|
||
|
|
return '%#8x' % value
|
||
|
|
else:
|
||
|
|
return value
|
||
|
|
|
||
|
|
attributes = (
|
||
|
|
'OPENSSL_VERSION',
|
||
|
|
'OPENSSL_VERSION_INFO',
|
||
|
|
'HAS_SNI',
|
||
|
|
'OP_ALL',
|
||
|
|
'OP_NO_TLSv1_1',
|
||
|
|
)
|
||
|
|
copy_attributes(info_add, ssl, 'ssl.%s', attributes, formatter=format_attr)
|
||
|
|
|
||
|
|
options_names = []
|
||
|
|
protocol_names = {}
|
||
|
|
verify_modes = {}
|
||
|
|
for name in dir(ssl):
|
||
|
|
if name.startswith('OP_'):
|
||
|
|
options_names.append((name, getattr(ssl, name)))
|
||
|
|
elif name.startswith('PROTOCOL_'):
|
||
|
|
protocol_names[getattr(ssl, name)] = name
|
||
|
|
elif name.startswith('CERT_'):
|
||
|
|
verify_modes[getattr(ssl, name)] = name
|
||
|
|
options_names.sort(key=lambda item: item[1], reverse=True)
|
||
|
|
|
||
|
|
def formatter(attr_name, value):
|
||
|
|
if attr_name == 'options':
|
||
|
|
options_text = []
|
||
|
|
for opt_name, opt_value in options_names:
|
||
|
|
if value & opt_value:
|
||
|
|
options_text.append(opt_name)
|
||
|
|
value &= ~opt_value
|
||
|
|
if value:
|
||
|
|
options_text.append(str(value))
|
||
|
|
return '|' .join(options_text)
|
||
|
|
elif attr_name == 'verify_mode':
|
||
|
|
return verify_modes.get(value, value)
|
||
|
|
elif attr_name == 'protocol':
|
||
|
|
return protocol_names.get(value, value)
|
||
|
|
else:
|
||
|
|
return value
|
||
|
|
|
||
|
|
for name, ctx in (
|
||
|
|
('SSLContext(PROTOCOL_TLS)', ssl.SSLContext(ssl.PROTOCOL_TLS)),
|
||
|
|
('default_https_context', ssl._create_default_https_context()),
|
||
|
|
('stdlib_context', ssl._create_stdlib_context()),
|
||
|
|
):
|
||
|
|
attributes = (
|
||
|
|
'minimum_version',
|
||
|
|
'maximum_version',
|
||
|
|
'protocol',
|
||
|
|
'options',
|
||
|
|
'verify_mode',
|
||
|
|
)
|
||
|
|
copy_attributes(info_add, ctx, 'ssl.%s.%%s' % name, attributes, formatter=formatter)
|
||
|
|
|
||
|
|
env_names = ["OPENSSL_CONF", "SSLKEYLOGFILE"]
|
||
|
|
if _ssl is not None and hasattr(_ssl, 'get_default_verify_paths'):
|
||
|
|
parts = _ssl.get_default_verify_paths()
|
||
|
|
env_names.extend((parts[0], parts[2]))
|
||
|
|
|
||
|
|
for name in env_names:
|
||
|
|
try:
|
||
|
|
value = os.environ[name]
|
||
|
|
except KeyError:
|
||
|
|
continue
|
||
|
|
info_add('ssl.environ[%s]' % name, value)
|
||
|
|
|
||
|
|
|
||
|
|
def collect_socket(info_add):
|
||
|
|
import socket
|
||
|
|
|
||
|
|
hostname = socket.gethostname()
|
||
|
|
info_add('socket.hostname', hostname)
|
||
|
|
|
||
|
|
|
||
|
|
def collect_sqlite(info_add):
|
||
|
|
try:
|
||
|
|
import sqlite3
|
||
|
|
except ImportError:
|
||
|
|
return
|
||
|
|
|
||
|
|
attributes = ('version', 'sqlite_version')
|
||
|
|
copy_attributes(info_add, sqlite3, 'sqlite3.%s', attributes)
|
||
|
|
|
||
|
|
|
||
|
|
def collect_zlib(info_add):
|
||
|
|
try:
|
||
|
|
import zlib
|
||
|
|
except ImportError:
|
||
|
|
return
|
||
|
|
|
||
|
|
attributes = ('ZLIB_VERSION', 'ZLIB_RUNTIME_VERSION')
|
||
|
|
copy_attributes(info_add, zlib, 'zlib.%s', attributes)
|
||
|
|
|
||
|
|
|
||
|
|
def collect_expat(info_add):
|
||
|
|
try:
|
||
|
|
from xml.parsers import expat
|
||
|
|
except ImportError:
|
||
|
|
return
|
||
|
|
|
||
|
|
attributes = ('EXPAT_VERSION',)
|
||
|
|
copy_attributes(info_add, expat, 'expat.%s', attributes)
|
||
|
|
|
||
|
|
|
||
|
|
def collect_decimal(info_add):
|
||
|
|
try:
|
||
|
|
import _decimal
|
||
|
|
except ImportError:
|
||
|
|
return
|
||
|
|
|
||
|
|
attributes = ('__libmpdec_version__',)
|
||
|
|
copy_attributes(info_add, _decimal, '_decimal.%s', attributes)
|
||
|
|
|
||
|
|
|
||
|
|
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):
|
||
|
|
# Dump global configuration variables, _PyCoreConfig
|
||
|
|
# and _PyMainInterpreterConfig
|
||
|
|
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_info(info):
|
||
|
|
error = False
|
||
|
|
info_add = info.add
|
||
|
|
|
||
|
|
for collect_func in (
|
||
|
|
# collect_os() should be the first, to check the getrandom() status
|
||
|
|
collect_os,
|
||
|
|
|
||
|
|
collect_builtins,
|
||
|
|
collect_gdb,
|
||
|
|
collect_locale,
|
||
|
|
collect_platform,
|
||
|
|
collect_readline,
|
||
|
|
collect_socket,
|
||
|
|
collect_sqlite,
|
||
|
|
collect_ssl,
|
||
|
|
collect_sys,
|
||
|
|
collect_sysconfig,
|
||
|
|
collect_time,
|
||
|
|
collect_datetime,
|
||
|
|
collect_tkinter,
|
||
|
|
collect_zlib,
|
||
|
|
collect_expat,
|
||
|
|
collect_decimal,
|
||
|
|
collect_testcapi,
|
||
|
|
collect_resource,
|
||
|
|
collect_cc,
|
||
|
|
collect_gdbm,
|
||
|
|
collect_get_config,
|
||
|
|
collect_subprocess,
|
||
|
|
|
||
|
|
# Collecting from tests should be last as they have side effects.
|
||
|
|
collect_test_socket,
|
||
|
|
collect_test_support,
|
||
|
|
):
|
||
|
|
try:
|
||
|
|
collect_func(info_add)
|
||
|
|
except Exception as exc:
|
||
|
|
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()
|