forked from Rust-related/RustPython
130 lines
3.7 KiB
Python
130 lines
3.7 KiB
Python
import sys
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import os
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import subprocess
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from testutils import assert_raises
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print('python executable:', sys.executable)
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print(sys.argv)
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assert sys.argv[0].endswith('.py')
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assert sys.platform == "linux" or sys.platform == "darwin" or sys.platform == "win32" or sys.platform == "unknown"
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if hasattr(sys, "_framework"):
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assert type(sys._framework) is str
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assert isinstance(sys.builtin_module_names, tuple)
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assert 'sys' in sys.builtin_module_names
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assert isinstance(sys.implementation.name, str)
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assert isinstance(sys.implementation.cache_tag, str)
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assert sys.getfilesystemencoding() == 'utf-8'
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assert sys.getfilesystemencodeerrors().startswith('surrogate')
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assert sys.byteorder == "little" or sys.byteorder == "big"
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assert isinstance(sys.flags, tuple)
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assert type(sys.flags).__name__ == "flags"
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assert type(sys.flags.optimize) is int
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assert sys.flags[3] == sys.flags.optimize
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assert sys.maxunicode == 1114111
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# Tracing:
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events = []
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def trc(frame, event, arg):
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fn_name = frame.f_code.co_name
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events.append((fn_name, event, arg))
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print('trace event:', fn_name, event, arg)
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def demo(x):
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if x > 0:
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demo(x - 1)
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sys.settrace(trc)
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demo(5)
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sys.settrace(None)
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assert ("demo", "call", None) in events
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assert sys.exc_info() == (None, None, None)
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try:
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1/0
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except ZeroDivisionError as exc:
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exc_info = sys.exc_info()
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assert exc_info[0] == type(exc) == ZeroDivisionError
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assert exc_info[1] == exc
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# Recursion:
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def recursive_call(n):
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if n > 0:
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recursive_call(n - 1)
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sys.setrecursionlimit(200)
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assert sys.getrecursionlimit() == 200
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with assert_raises(RecursionError):
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recursive_call(300)
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if sys.platform.startswith("win"):
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winver = sys.getwindowsversion()
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print(f'winver: {winver} {winver.platform_version}')
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# the biggest value of wSuiteMask (https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-osversioninfoexa#members).
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all_masks = 0x00000004 | 0x00000400 | 0x00004000 | 0x00000080 | 0x00000002 | 0x00000040 | 0x00000200 | \
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0x00000100 | 0x00000001 | 0x00000020 | 0x00002000 | 0x00000010 | 0x00008000 | 0x00020000
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# We really can't test if the results are correct, so it just checks for meaningful value
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assert winver.major > 6
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assert winver.minor >= 0
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assert winver.build > 0
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assert winver.platform == 2
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assert isinstance(winver.service_pack, str)
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assert 0 <= winver.suite_mask <= all_masks
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assert 1 <= winver.product_type <= 3
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# XXX if platform_version is implemented correctly, this'll break on compatiblity mode or a build without manifest
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# these fields can mismatch in CPython
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assert winver.major == winver.platform_version[0]
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assert winver.minor == winver.platform_version[1]
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# assert winver.build == winver.platform_version[2]
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# test int_max_str_digits getter and setter
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assert sys.get_int_max_str_digits() == 4300
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sys.set_int_max_str_digits(640)
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assert sys.get_int_max_str_digits() == 640
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sys.set_int_max_str_digits(0)
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assert sys.get_int_max_str_digits() == 0
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with assert_raises(ValueError):
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sys.set_int_max_str_digits(1)
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sys.set_int_max_str_digits(1000)
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assert sys.get_int_max_str_digits() == 1000
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# Test the PYTHONSAFEPATH environment variable
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code = "import sys; print(sys.flags.safe_path)"
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env = dict(os.environ)
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env.pop('PYTHONSAFEPATH', None)
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args = (sys.executable, '-P', '-c', code)
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proc = subprocess.run(
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args, stdout=subprocess.PIPE,
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universal_newlines=True, env=env)
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assert proc.stdout.rstrip() == 'True', proc
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assert proc.returncode == 0, proc
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env['PYTHONSAFEPATH'] = '1'
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proc = subprocess.run(
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args, stdout=subprocess.PIPE,
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universal_newlines=True, env=env)
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assert proc.stdout.rstrip() == 'True'
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assert proc.returncode == 0, proc
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