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from test_support import TESTFN, TestFailed
import os
import random
import sys
# Brief digression to test that import is case-sensitive: if we got this
# far, we know for sure that "random" exists.
try:
import RAnDoM
except ImportError:
pass
else:
raise TestFailed("import of RAnDoM should have failed (case mismatch)")
# Another brief digression to test the accuracy of manifest float constants.
import double_const # don't blink -- that *was* the test
def test_with_extension(ext): # ext normally ".py"; perhaps ".pyw"
source = TESTFN + ext
pyo = TESTFN + ".pyo"
if sys.platform.startswith('java'):
pyc = TESTFN + "$py.class"
else:
pyc = TESTFN + ".pyc"
f = open(source, "w")
print >> f, "# This tests Python's ability to import a", ext, "file."
a = random.randrange(1000)
b = random.randrange(1000)
print >> f, "a =", a
print >> f, "b =", b
f.close()
try:
try:
mod = __import__(TESTFN)
except ImportError, err:
raise ValueError("import from %s failed: %s" % (ext, err))
if mod.a != a or mod.b != b:
print a, "!=", mod.a
print b, "!=", mod.b
raise ValueError("module loaded (%s) but contents invalid" % mod)
finally:
os.unlink(source)
try:
try:
reload(mod)
except ImportError, err:
raise ValueError("import from .pyc/.pyo failed: %s" % err)
finally:
try:
os.unlink(pyc)
except os.error:
pass
try:
os.unlink(pyo)
except os.error:
pass
del sys.modules[TESTFN]
sys.path.insert(0, os.curdir)
try:
test_with_extension(".py")
if sys.platform.startswith("win"):
for ext in ".PY", ".Py", ".pY", ".pyw", ".PYW", ".pYw":
test_with_extension(ext)
finally:
del sys.path[0]
def touch(path):
fp = open(path, 'w')
fp.close()
# test imports of packages with really long names, but specifically that their
# reprs include the full name
try:
longname = 'areallylongpackageandmodulenametotestreprtruncation'
os.mkdir(longname)
touch(os.path.join(longname, '__init__.py'))
os.mkdir(os.path.join(longname, longname))
touch(os.path.join(longname, longname, '__init__.py'))
touch(os.path.join(longname, longname, longname + '.py'))
sys.path.insert(0, os.getcwd())
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import areallylongpackageandmodulenametotestreprtruncation
if `areallylongpackageandmodulenametotestreprtruncation` <> \
"<module 'areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation' from '%s'>" % areallylongpackageandmodulenametotestreprtruncation.__file__:
raise TestFailed, 'module name truncation'
finally:
# Delete recursively
del sys.path[0]
def zap(actions, dirname, names):
for name in names:
actions.append(os.path.join(dirname, name))
actions = []
os.path.walk(longname, zap, actions)
actions.append(longname)
actions.sort()
actions.reverse()
for p in actions:
if os.path.isdir(p):
os.rmdir(p)
else:
os.remove(p)
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