def get_local_package(self,
package_name: str,
ethpm_dir: Path = None) -> Package:
"""
Returns a `Package <https://github.com/ethpm/py-ethpm/blob/master/ethpm/package.py>`__
instance built with the Manifest found at the package name in your local ethpm_dir.
* Parameters:
* ``package_name``: Must be the name of a package installed locally.
* ``ethpm_dir``: Path pointing to the target ethpm directory (optional).
"""
if not ethpm_dir:
ethpm_dir = Path.cwd() / '_ethpm_packages'
if not ethpm_dir.name == "_ethpm_packages" or not ethpm_dir.is_dir():
raise PMError(
f"{ethpm_dir} is not a valid ethPM packages directory.")
local_packages = [
pkg.name for pkg in ethpm_dir.iterdir() if pkg.is_dir()
]
if package_name not in local_packages:
raise PMError(f"Package: {package_name} not found in {ethpm_dir}. "
f"Available packages include: {local_packages}.")
target_manifest = json.loads(
(ethpm_dir / package_name / "manifest.json").read_text())
return self.get_package_from_manifest(target_manifest)
def _validate_set_registry(self) -> None:
try:
self.registry
except AttributeError:
raise PMError("web3.pm does not have a set registry. "
"Please set registry with either: "
"web3.pm.set_registry(address) or "
"web3.pm.deploy_and_set_registry()")
if not isinstance(self.registry, ERC1319Registry):
raise PMError(
"web3.pm requires an instance of a subclass of ERC1319Registry "
"to be set as the web3.pm.registry attribute. Instead found: "
f"{type(self.registry)}.")
def _release(self, package_name: str, version: str, manifest_uri: str) -> bytes:
if len(package_name) > 32 or len(version) > 32:
raise PMError(
"Vyper registry only works with package names and versions less than 32 chars."
)
if len(manifest_uri) > 1000:
raise PMError(
"Vyper registry only works with manifest URIs shorter than 1000 chars."
)
args = process_vyper_args(package_name, version, manifest_uri)
tx_hash = self.registry.functions.release(*args).transact()
self.w3.eth.waitForTransactionReceipt(tx_hash)
return self._get_release_id(package_name, version)
def set_registry(self, address: Address) -> None:
"""
Sets the current registry used in ``web3.pm`` functions that read/write to an on-chain
registry. This method accepts checksummed/canonical addresses or ENS names. Addresses
must point to an on-chain instance of an ERC1319 registry implementation.
To use an ENS domain as the address, make sure a valid ENS instance set as ``web3.ens``.
* Parameters:
* ``address``: Address of on-chain Registry.
"""
if is_canonical_address(address) or is_checksum_address(address):
self.registry = SimpleRegistry(address, self.web3)
elif is_ens_name(address):
self._validate_set_ens()
addr_lookup = self.web3.ens.address(address)
if not addr_lookup:
raise NameNotFound(
"No address found after ENS lookup for name: {0}.".format(
address))
self.registry = SimpleRegistry(addr_lookup, self.web3)
else:
raise PMError(
"Expected a canonical/checksummed address or ENS name for the address, "
"instead received {0}.".format(type(address)))
def set_registry(self, address: Address) -> None:
"""
Sets the current registry used in ``web3.pm`` functions that read/write to an on-chain
registry. This method accepts checksummed/canonical addresses or ENS names. Addresses
must point to an instance of the Vyper Reference Registry implementation.
If you want to use a different registry implementation with ``web3.pm``, manually
set the ``web3.pm.registry`` attribute to any subclass of ``ERCRegistry``.
To use an ENS domain as the address, make sure a valid ENS instance set as ``web3.ens``.
* Parameters:
* ``address``: Address of on-chain Vyper Reference Registry.
"""
if is_canonical_address(address) or is_checksum_address(address):
canonical_address = to_canonical_address(address)
self.registry = VyperReferenceRegistry(canonical_address,
self.web3)
elif is_ens_name(address):
self._validate_set_ens()
addr_lookup = self.web3.ens.address(address)
if not addr_lookup:
raise NameNotFound(
"No address found after ENS lookup for name: {0}.".format(
address))
self.registry = VyperReferenceRegistry(
to_canonical_address(addr_lookup), self.web3)
else:
raise PMError(
"Expected a canonical/checksummed address or ENS name for the address, "
"instead received {0}.".format(type(address)))
