def _highlight(self, source: str) -> str:
"""Highlight the given source code if we have markup support."""
from _pytest.config.exceptions import UsageError
if not self.hasmarkup or not self.code_highlight:
return source
try:
from pygments.formatters.terminal import TerminalFormatter
from pygments.lexers.python import PythonLexer
from pygments import highlight
import pygments.util
except ImportError:
return source
else:
try:
highlighted: str = highlight(
source,
PythonLexer(),
TerminalFormatter(
bg=os.getenv("PYTEST_THEME_MODE", "dark"),
style=os.getenv("PYTEST_THEME"),
),
)
return highlighted
except pygments.util.ClassNotFound:
raise UsageError(
"PYTEST_THEME environment variable had an invalid value: '{}'. "
"Only valid pygment styles are allowed.".format(
os.getenv("PYTEST_THEME")))
except pygments.util.OptionError:
raise UsageError(
"PYTEST_THEME_MODE environment variable had an invalid value: '{}'. "
"The only allowed values are 'dark' and 'light'.".format(
os.getenv("PYTEST_THEME_MODE")))
def _import_pdb_cls(cls, capman):
if not cls._config:
# Happens when using pytest.set_trace outside of a test.
return pdb.Pdb
usepdb_cls = cls._config.getvalue("usepdb_cls")
if cls._wrapped_pdb_cls and cls._wrapped_pdb_cls[0] == usepdb_cls:
return cls._wrapped_pdb_cls[1]
if usepdb_cls:
modname, classname = usepdb_cls
try:
__import__(modname)
mod = sys.modules[modname]
# Handle --pdbcls=pdb:pdb.Pdb (useful e.g. with pdbpp).
parts = classname.split(".")
pdb_cls = getattr(mod, parts[0])
for part in parts[1:]:
pdb_cls = getattr(pdb_cls, part)
except Exception as exc:
value = ":".join((modname, classname))
raise UsageError("--pdbcls: could not import {!r}: {}".format(
value, exc))
else:
pdb_cls = pdb.Pdb
wrapped_cls = cls._get_pdb_wrapper_class(pdb_cls, capman)
cls._wrapped_pdb_cls = (usepdb_cls, wrapped_cls)
return wrapped_cls
def error(self, message):
"""Transform argparse error message into UsageError."""
msg = "%s: error: %s" % (self.prog, message)
if hasattr(self._parser, "_config_source_hint"):
msg = "%s (%s)" % (msg, self._parser._config_source_hint)
raise UsageError(self.format_usage() + msg)
def error(self, message):
"""Transform argparse error message into UsageError."""
msg = "{}: error: {}".format(self.prog, message)
if hasattr(self._parser, "_config_source_hint"):
msg = "{} ({})".format(msg, self._parser._config_source_hint)
raise UsageError(self.format_usage() + msg)
def error(self, message: str) -> "NoReturn":
"""Transform argparse error message into UsageError."""
msg = f"{self.prog}: error: {message}"
if hasattr(self._parser, "_config_source_hint"):
# Type ignored because the attribute is set dynamically.
msg = f"{msg} ({self._parser._config_source_hint})" # type: ignore
raise UsageError(self.format_usage() + msg)
def _import_pdbcls(modname, classname):
try:
__import__(modname)
mod = sys.modules[modname]
# Handle --pdbcls=pdb:pdb.Pdb (useful e.g. with pdbpp).
parts = classname.split(".")
pdb_cls = getattr(mod, parts[0])
for part in parts[1:]:
pdb_cls = getattr(pdb_cls, part)
return pdb_cls
except Exception as exc:
value = ":".join((modname, classname))
raise UsageError("--pdbcls: could not import {!r}: {}".format(value, exc))