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757 lines (623 loc) · 19.7 KB
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"""
Collect various information about Python to help debugging test failures.
"""
from __future__ import print_function
import errno
import re
import sys
import traceback
import warnings
def normalize_text(text):
if text is None:
return None
text = str(text)
text = re.sub(r'\s+', ' ', text)
return text.strip()
class PythonInfo:
def __init__(self):
self.info = {}
def add(self, key, value):
if key in self.info:
raise ValueError("duplicate key: %r" % key)
if value is None:
return
if not isinstance(value, int):
if not isinstance(value, str):
# convert other objects like sys.flags to string
value = str(value)
value = value.strip()
if not value:
return
self.info[key] = value
def get_infos(self):
"""
Get information as a key:value dictionary where values are strings.
"""
return {key: str(value) for key, value in self.info.items()}
def copy_attributes(info_add, obj, name_fmt, attributes, formatter=None):
for attr in attributes:
value = getattr(obj, attr, None)
if value is None:
continue
name = name_fmt % attr
if formatter is not None:
value = formatter(attr, value)
info_add(name, value)
def copy_attr(info_add, name, mod, attr_name):
try:
value = getattr(mod, attr_name)
except AttributeError:
return
info_add(name, value)
def call_func(info_add, name, mod, func_name, formatter=None):
try:
func = getattr(mod, func_name)
except AttributeError:
return
value = func()
if formatter is not None:
value = formatter(value)
info_add(name, value)
def collect_sys(info_add):
attributes = (
'_framework',
'abiflags',
'api_version',
'builtin_module_names',
'byteorder',
'dont_write_bytecode',
'executable',
'flags',
'float_info',
'float_repr_style',
'hash_info',
'hexversion',
'implementation',
'int_info',
'maxsize',
'maxunicode',
'path',
'platform',
'prefix',
'thread_info',
'version',
'version_info',
'winver',
)
copy_attributes(info_add, sys, 'sys.%s', attributes)
call_func(info_add, 'sys.androidapilevel', sys, 'getandroidapilevel')
call_func(info_add, 'sys.windowsversion', sys, 'getwindowsversion')
encoding = sys.getfilesystemencoding()
if hasattr(sys, 'getfilesystemencodeerrors'):
encoding = '%s/%s' % (encoding, sys.getfilesystemencodeerrors())
info_add('sys.filesystem_encoding', encoding)
for name in ('stdin', 'stdout', 'stderr'):
stream = getattr(sys, name)
if stream is None:
continue
encoding = getattr(stream, 'encoding', None)
if not encoding:
continue
errors = getattr(stream, 'errors', None)
if errors:
encoding = '%s/%s' % (encoding, errors)
info_add('sys.%s.encoding' % name, encoding)
# Were we compiled --with-pydebug or with #define Py_DEBUG?
Py_DEBUG = hasattr(sys, 'gettotalrefcount')
if Py_DEBUG:
text = 'Yes (sys.gettotalrefcount() present)'
else:
text = 'No (sys.gettotalrefcount() missing)'
info_add('Py_DEBUG', text)
def collect_platform(info_add):
import platform
arch = platform.architecture()
arch = ' '.join(filter(bool, arch))
info_add('platform.architecture', arch)
info_add('platform.python_implementation',
platform.python_implementation())
info_add('platform.platform',
platform.platform(aliased=True))
libc_ver = ('%s %s' % platform.libc_ver()).strip()
if libc_ver:
info_add('platform.libc_ver', libc_ver)
def collect_locale(info_add):
import locale
info_add('locale.encoding', locale.getpreferredencoding(False))
def collect_builtins(info_add):
info_add('builtins.float.float_format', float.__getformat__("float"))
info_add('builtins.float.double_format', float.__getformat__("double"))
def collect_os(info_add):
import os
def format_attr(attr, value):
if attr in ('supports_follow_symlinks', 'supports_fd',
'supports_effective_ids'):
return str(sorted(func.__name__ for func in value))
else:
return value
attributes = (
'name',
'supports_bytes_environ',
'supports_effective_ids',
'supports_fd',
'supports_follow_symlinks',
)
copy_attributes(info_add, os, 'os.%s', attributes, formatter=format_attr)
call_func(info_add, 'os.cwd', os, 'getcwd')
call_func(info_add, 'os.uid', os, 'getuid')
call_func(info_add, 'os.gid', os, 'getgid')
call_func(info_add, 'os.uname', os, 'uname')
def format_groups(groups):
return ', '.join(map(str, groups))
call_func(info_add, 'os.groups', os, 'getgroups', formatter=format_groups)
if hasattr(os, 'getlogin'):
try:
login = os.getlogin()
except OSError:
# getlogin() fails with "OSError: [Errno 25] Inappropriate ioctl
# for device" on Travis CI
pass
else:
info_add("os.login", login)
call_func(info_add, 'os.cpu_count', os, 'cpu_count')
call_func(info_add, 'os.loadavg', os, 'getloadavg')
# Environment variables used by the stdlib and tests. Don't log the full
# environment: filter to list to not leak sensitive information.
#
# HTTP_PROXY is not logged because it can contain a password.
ENV_VARS = frozenset((
"APPDATA",
"AR",
"ARCHFLAGS",
"ARFLAGS",
"AUDIODEV",
"CC",
"CFLAGS",
"COLUMNS",
"COMPUTERNAME",
"COMSPEC",
"CPP",
"CPPFLAGS",
"DISPLAY",
"DISTUTILS_DEBUG",
"DISTUTILS_USE_SDK",
"DYLD_LIBRARY_PATH",
"ENSUREPIP_OPTIONS",
"HISTORY_FILE",
"HOME",
"HOMEDRIVE",
"HOMEPATH",
"IDLESTARTUP",
"LANG",
"LDFLAGS",
"LDSHARED",
"LD_LIBRARY_PATH",
"LINES",
"MACOSX_DEPLOYMENT_TARGET",
"MAILCAPS",
"MAKEFLAGS",
"MIXERDEV",
"MSSDK",
"PATH",
"PATHEXT",
"PIP_CONFIG_FILE",
"PLAT",
"POSIXLY_CORRECT",
"PY_SAX_PARSER",
"ProgramFiles",
"ProgramFiles(x86)",
"RUNNING_ON_VALGRIND",
"SDK_TOOLS_BIN",
"SERVER_SOFTWARE",
"SHELL",
"SOURCE_DATE_EPOCH",
"SYSTEMROOT",
"TEMP",
"TERM",
"TILE_LIBRARY",
"TIX_LIBRARY",
"TMP",
"TMPDIR",
"TRAVIS",
"TZ",
"USERPROFILE",
"VIRTUAL_ENV",
"WAYLAND_DISPLAY",
"WINDIR",
"_PYTHON_HOST_PLATFORM",
"_PYTHON_PROJECT_BASE",
"_PYTHON_SYSCONFIGDATA_NAME",
"__PYVENV_LAUNCHER__",
))
for name, value in os.environ.items():
uname = name.upper()
if (uname in ENV_VARS
# Copy PYTHON* and LC_* variables
or uname.startswith(("PYTHON", "LC_"))
# Visual Studio: VS140COMNTOOLS
or (uname.startswith("VS") and uname.endswith("COMNTOOLS"))):
info_add('os.environ[%s]' % name, value)
if hasattr(os, 'umask'):
mask = os.umask(0)
os.umask(mask)
info_add("os.umask", '%03o' % mask)
if hasattr(os, 'getrandom'):
# PEP 524: Check if system urandom is initialized
try:
try:
os.getrandom(1, os.GRND_NONBLOCK)
state = 'ready (initialized)'
except BlockingIOError as exc:
state = 'not seeded yet (%s)' % exc
info_add('os.getrandom', state)
except OSError as exc:
# Python was compiled on a more recent Linux version
# than the current Linux kernel: ignore OSError(ENOSYS)
if exc.errno != errno.ENOSYS:
raise
def collect_readline(info_add):
try:
import readline
except ImportError:
return
def format_attr(attr, value):
if isinstance(value, int):
return "%#x" % value
else:
return value
attributes = (
"_READLINE_VERSION",
"_READLINE_RUNTIME_VERSION",
"_READLINE_LIBRARY_VERSION",
)
copy_attributes(info_add, readline, 'readline.%s', attributes,
formatter=format_attr)
if not hasattr(readline, "_READLINE_LIBRARY_VERSION"):
# _READLINE_LIBRARY_VERSION has been added to CPython 3.7
doc = getattr(readline, '__doc__', '')
if 'libedit readline' in doc:
info_add('readline.library', 'libedit readline')
elif 'GNU readline' in doc:
info_add('readline.library', 'GNU readline')
def collect_gdb(info_add):
import subprocess
try:
proc = subprocess.Popen(["gdb", "-nx", "--version"],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True)
version = proc.communicate()[0]
except OSError:
return
# Only keep the first line
version = version.splitlines()[0]
info_add('gdb_version', version)
def collect_tkinter(info_add):
try:
import _tkinter
except ImportError:
pass
else:
attributes = ('TK_VERSION', 'TCL_VERSION')
copy_attributes(info_add, _tkinter, 'tkinter.%s', attributes)
try:
import tkinter
except ImportError:
pass
else:
tcl = tkinter.Tcl()
patchlevel = tcl.call('info', 'patchlevel')
info_add('tkinter.info_patchlevel', patchlevel)
def collect_time(info_add):
import time
info_add('time.time', time.time())
attributes = (
'altzone',
'daylight',
'timezone',
'tzname',
)
copy_attributes(info_add, time, 'time.%s', attributes)
if hasattr(time, 'get_clock_info'):
for clock in ('clock', 'monotonic', 'perf_counter',
'process_time', 'thread_time', 'time'):
try:
# prevent DeprecatingWarning on get_clock_info('clock')
with warnings.catch_warnings(record=True):
clock_info = time.get_clock_info(clock)
except ValueError:
# missing clock like time.thread_time()
pass
else:
info_add('time.get_clock_info(%s)' % clock, clock_info)
def collect_datetime(info_add):
try:
import datetime
except ImportError:
return
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()