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from importlib.metadata import version, PackageNotFoundError
try:
antlr_version = version("antlr4-python3-runtime")
except PackageNotFoundError:
antlr_version = ""
if antlr_version.startswith("4.13.2"):
from latex2sympy2_extended.gen.antlr4_13_2.PSParser import PSParser
from latex2sympy2_extended.gen.antlr4_13_2.PSLexer import PSLexer
elif antlr_version.startswith("4.11"):
from latex2sympy2_extended.gen.antlr4_11_0.PSParser import PSParser
from latex2sympy2_extended.gen.antlr4_11_0.PSLexer import PSLexer
elif antlr_version.startswith("4.9.3"):
from latex2sympy2_extended.gen.antlr4_9_3.PSParser import PSParser
from latex2sympy2_extended.gen.antlr4_9_3.PSLexer import PSLexer
else:
raise ImportError(
f"Unsupported ANTLR version {antlr_version}, "
"only 4.9.3, 4.11.0, and 4.13.2 runtime versions are supported."
) |