def exec_snippet(self, source):
# Strip out new_frame/end_frame from source
if "# later" in source:
raise Skipped(msg="multi-stage snippet, can't comprehend")
lines = [
line
if all([
"imgui.new_frame()" not in line,
"imgui.render()" not in line,
"imgui.end_frame()" not in line
]) else ""
for line in
source.split('\n')
]
source = "\n".join(lines)
if (
"import array" in source
and sys.version_info < (3, 0)
):
pytest.skip(
"array.array does not work properly under py27 as memory view"
)
code = compile(source, '<str>', 'exec')
frameinfo = getframeinfo(currentframe())
imgui.create_context()
io = imgui.get_io()
io.delta_time = 1.0 / 60.0
io.display_size = 300, 300
# setup default font
io.fonts.get_tex_data_as_rgba32()
io.fonts.add_font_default()
io.fonts.texture_id = 0 # set any texture ID to avoid segfaults
imgui.new_frame()
exec_ns = _ns(locals(), globals())
try:
exec(code, exec_ns, exec_ns)
except Exception as err:
# note: quick and dirty way to annotate sources with error marker
print_exc()
lines = source.split('\n')
lines.insert(sys.exc_info()[2].tb_next.tb_lineno, "^^^")
self.code = "\n".join(lines)
imgui.end_frame()
raise
imgui.render()
def importorskip(modname: str,
minversion: Optional[str] = None,
reason: Optional[str] = None) -> Any:
"""Import and return the requested module ``modname``.
Doesn't allow skips on CI machine.
Borrowed and modified from ``pytest.importorskip``.
:param str modname: the name of the module to import
:param str minversion: if given, the imported module's ``__version__``
attribute must be at least this minimal version, otherwise the test is
still skipped.
:param str reason: if given, this reason is shown as the message when the
module cannot be imported.
:returns: The imported module. This should be assigned to its canonical
name.
Example::
docutils = pytest.importorskip("docutils")
"""
# ARVIZ_CI_MACHINE is True if tests run on CI, where ARVIZ_CI_MACHINE env variable exists
ARVIZ_CI_MACHINE = running_on_ci()
if ARVIZ_CI_MACHINE:
import warnings
compile(modname, "", "eval") # to catch syntaxerrors
with warnings.catch_warnings():
# make sure to ignore ImportWarnings that might happen because
# of existing directories with the same name we're trying to
# import but without a __init__.py file
warnings.simplefilter("ignore")
__import__(modname)
mod = sys.modules[modname]
if minversion is None:
return mod
verattr = getattr(mod, "__version__", None)
if minversion is not None:
if verattr is None or Version(verattr) < Version(minversion):
raise Skipped(
"module %r has __version__ %r, required is: %r" %
(modname, verattr, minversion),
allow_module_level=True,
)
return mod
else:
return pytest.importorskip(modname=modname,
minversion=minversion,
reason=reason)