def _init_solc_binary(version: str) -> str:
"""
Only proper versions are supported. No nightlies, commits etc (such as available in remix).
:param version: Version of the solc binary required
:return: The solc binary of the corresponding version
"""
if not version:
return os.environ.get("SOLC") or "solc"
# tried converting input to semver, seemed not necessary so just slicing for now
main_version = solc.main.get_solc_version_string()
main_version_number = re.match(r"\d+.\d+.\d+", main_version)
if main_version is None:
raise CriticalError(
"Could not extract solc version from string {}".format(
main_version))
if version == main_version_number:
log.info("Given version matches installed version")
solc_binary = os.environ.get("SOLC") or "solc"
else:
solc_binary = util.solc_exists(version)
if solc_binary and solc_binary != util.solc_exists(
"default_ubuntu_version"):
log.info("Given version is already installed")
else:
if version.startswith("0.4"):
try:
solc.install_solc("v" + version)
except solc.exceptions.SolcError:
raise CriticalError(
"There was an error when trying to install the specified solc version"
)
elif sys.version_info[1] >= 6:
# solcx supports python 3.6+
try:
solcx.install_solc("v" + version)
except solcx.exceptions.SolcError:
raise CriticalError(
"There was an error when trying to install the specified solc version"
)
else:
raise CriticalError(
"Py-Solc doesn't support 0.5.*. You can switch to python 3.6 which uses solcx."
)
solc_binary = util.solc_exists(version)
if not solc_binary:
raise solc.exceptions.SolcError()
log.info("Setting the compiler to %s", solc_binary)
return solc_binary
def _init_solc_binary(version):
# Figure out solc binary and version
# Only proper versions are supported. No nightlies, commits etc (such as available in remix)
if not version:
return os.environ.get("SOLC") or "solc"
# tried converting input to semver, seemed not necessary so just slicing for now
main_version = solc.main.get_solc_version_string()
main_version_number = re.match(r"\d+.\d+.\d+", main_version)
if main_version is None:
raise CriticalError(
"Could not extract solc version from string {}".format(
main_version))
if version == main_version_number:
logging.info("Given version matches installed version")
solc_binary = os.environ.get("SOLC") or "solc"
else:
solc_binary = util.solc_exists(version)
if solc_binary:
logging.info("Given version is already installed")
else:
try:
solc.install_solc("v" + version)
except SolcError:
raise CriticalError(
"There was an error when trying to install the specified solc version"
)
logging.info("Setting the compiler to %s", solc_binary)
return solc_binary