mirror of https://github.com/python/cpython
108 lines
2.7 KiB
Python
108 lines
2.7 KiB
Python
from test_support import TESTFN, TestFailed
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import os
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import random
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import sys
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import py_compile
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# Brief digression to test that import is case-sensitive: if we got this
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# far, we know for sure that "random" exists.
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try:
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import RAnDoM
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except ImportError:
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pass
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else:
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raise TestFailed("import of RAnDoM should have failed (case mismatch)")
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# Another brief digression to test the accuracy of manifest float constants.
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import double_const # don't blink -- that *was* the test
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def test_with_extension(ext): # ext normally ".py"; perhaps ".pyw"
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source = TESTFN + ext
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pyo = TESTFN + os.extsep + "pyo"
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if sys.platform.startswith('java'):
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pyc = TESTFN + "$py.class"
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else:
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pyc = TESTFN + os.extsep + "pyc"
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f = open(source, "w")
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print >> f, "# This tests Python's ability to import a", ext, "file."
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a = random.randrange(1000)
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b = random.randrange(1000)
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print >> f, "a =", a
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print >> f, "b =", b
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f.close()
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try:
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try:
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mod = __import__(TESTFN)
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except ImportError, err:
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raise ValueError("import from %s failed: %s" % (ext, err))
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if mod.a != a or mod.b != b:
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print a, "!=", mod.a
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print b, "!=", mod.b
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raise ValueError("module loaded (%s) but contents invalid" % mod)
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finally:
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os.unlink(source)
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try:
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try:
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reload(mod)
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except ImportError, err:
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raise ValueError("import from .pyc/.pyo failed: %s" % err)
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finally:
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try:
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os.unlink(pyc)
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except os.error:
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pass
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try:
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os.unlink(pyo)
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except os.error:
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pass
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del sys.modules[TESTFN]
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sys.path.insert(0, os.curdir)
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try:
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test_with_extension(os.extsep + "py")
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if sys.platform.startswith("win"):
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for ext in ".PY", ".Py", ".pY", ".pyw", ".PYW", ".pYw":
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test_with_extension(ext)
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finally:
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del sys.path[0]
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# Verify that the imp module can correctly load and find .py files
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import imp
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x = imp.find_module("os")
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os = imp.load_module("os", *x)
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def test_module_with_large_stack(module):
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# create module w/list of 65000 elements to test bug #561858
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filename = module + '.py'
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# create a file with a list of 65000 elements
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f = open(filename, 'w+')
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f.write('d = [\n')
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for i in range(65000):
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f.write('"",\n')
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f.write(']')
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f.close()
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# compile & remove .py file, we only need .pyc
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f = open(filename, 'r')
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py_compile.compile(filename)
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os.unlink(filename)
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# need to be able to load from current dir
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sys.path.append('')
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# this used to crash
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exec 'import ' + module
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# cleanup
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del sys.path[-1]
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os.unlink(module + '.pyc')
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test_module_with_large_stack('longlist')
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