Merge pull request 'clan_cli: Remodeled ClanURI parser' (#610) from Qubasa-main into main
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87b664d3b1
@ -1,50 +1,100 @@
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# Import the urllib.parse module
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# Import the urllib.parse, enum and dataclasses modules
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import dataclasses
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import urllib.parse
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from enum import Enum
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from dataclasses import dataclass
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from enum import Enum, member
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from pathlib import Path
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from typing import Dict
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from .errors import ClanError
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# Define an enum with different members that have different values
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class ClanScheme(Enum):
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HTTP = "http"
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HTTPS = "https"
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FILE = "file"
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# Use the dataclass decorator to add fields and methods to the members
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@member
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@dataclass
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class HTTP:
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url: str # The url field holds the HTTP URL
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def __str__(self) -> str:
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return f"HTTP({self.url})" # The __str__ method returns a custom string representation
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@member
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@dataclass
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class HTTPS:
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url: str # The url field holds the HTTPS URL
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def __str__(self) -> str:
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return f"HTTPS({self.url})" # The __str__ method returns a custom string representation
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@member
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@dataclass
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class FILE:
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path: Path # The path field holds the local path
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def __str__(self) -> str:
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return f"FILE({self.path})" # The __str__ method returns a custom string representation
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# Parameters defined here will be DELETED from the nested uri
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# so make sure there are no conflicts with other webservices
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@dataclass
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class ClanParameters:
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flake_attr: str | None
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machine: str | None
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# Define the ClanURI class
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class ClanURI:
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# Initialize the class with a clan:// URI
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def __init__(self, uri: str) -> None:
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# Check if the URI starts with clan://
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if uri.startswith("clan://"):
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uri = uri[7:]
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self._nested_uri = uri[7:]
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else:
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raise ClanError("Invalid scheme: expected clan://, got {}".format(uri))
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# Parse the URI into components
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self.components = urllib.parse.urlparse(uri)
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# scheme://netloc/path;parameters?query#fragment
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self._components = urllib.parse.urlparse(self._nested_uri)
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try:
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self.scheme = ClanScheme(self.components.scheme)
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except ValueError:
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raise ClanError("Unsupported scheme: {}".format(self.components.scheme))
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# Parse the query string into a dictionary
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self._query = urllib.parse.parse_qs(self._components.query)
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# Define a method to get the path of the URI
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@property
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def path(self) -> str:
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return self.components.path
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params: Dict[str, str | None] = {}
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for field in dataclasses.fields(ClanParameters):
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if field.name in self._query:
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# Check if the field type is a list
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if issubclass(field.type, list):
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setattr(params, field.name, self._query[field.name])
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# Check if the field type is a single value
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else:
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values = self._query[field.name]
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if len(values) > 1:
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raise ClanError(
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"Multiple values for parameter: {}".format(field.name)
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)
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setattr(params, field.name, values[0])
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@property
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def url(self) -> str:
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return self.components.geturl()
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# Remove the field from the query dictionary
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# clan uri and nested uri share one namespace for query parameters
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# we need to make sure there are no conflicts
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del self._query[field.name]
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else:
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params[field.name] = None
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# Define a method to check if the URI is a remote HTTP URL
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def is_remote(self) -> bool:
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match self.scheme:
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case ClanScheme.HTTP | ClanScheme.HTTPS:
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return True
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case ClanScheme.FILE:
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return False
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self.params = ClanParameters(**params)
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# Define a method to check if the URI is a local path
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def is_local(self) -> bool:
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return not self.is_remote()
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# Use the match statement to check the scheme and create a ClanScheme member with the value
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match self._components.scheme:
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case "http":
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self.scheme = ClanScheme.HTTP.value(self._components.geturl()) # type: ignore
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case "https":
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self.scheme = ClanScheme.HTTPS.value(self._components.geturl()) # type: ignore
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case "file":
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self.scheme = ClanScheme.FILE.value(Path(self._components.path)) # type: ignore
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case _:
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raise ClanError(
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"Unsupported scheme: {}".format(self._components.scheme)
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)
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@ -1,18 +1,19 @@
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from pathlib import Path
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import pytest
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from clan_cli.clan_uri import ClanURI
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from clan_cli.clan_uri import ClanScheme, ClanURI
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from clan_cli.errors import ClanError
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def test_local_uri() -> None:
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# Create a ClanURI object from a local URI
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uri = ClanURI("clan://file:///home/user/Downloads")
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# Check that the URI is local
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assert uri.is_local()
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# Check that the URI is not remote
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assert not uri.is_remote()
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# Check that the URI path is correct
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assert uri.path == "/home/user/Downloads"
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match uri.scheme:
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case ClanScheme.FILE.value(path):
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assert path == Path("/home/user/Downloads") # type: ignore
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case _:
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assert False
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def test_unsupported_schema() -> None:
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@ -24,11 +25,38 @@ def test_unsupported_schema() -> None:
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def test_is_remote() -> None:
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# Create a ClanURI object from a remote URI
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uri = ClanURI("clan://https://example.com")
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# Check that the URI is remote
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assert uri.is_remote()
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# Check that the URI is not local
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assert not uri.is_local()
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# Check that the URI path is correct
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assert uri.path == ""
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assert uri.url == "https://example.com"
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match uri.scheme:
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case ClanScheme.HTTPS.value(url):
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assert url == "https://example.com" # type: ignore
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case _:
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assert False
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def remote_with_clanparams() -> None:
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# Create a ClanURI object from a remote URI with parameters
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uri = ClanURI("clan://https://example.com?flake_attr=defaultVM")
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assert uri.params.flake_attr == "defaultVM"
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match uri.scheme:
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case ClanScheme.HTTPS.value(url):
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assert url == "https://example.com" # type: ignore
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case _:
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assert False
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def remote_with_all_params() -> None:
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# Create a ClanURI object from a remote URI with parameters
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uri = ClanURI(
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"clan://https://example.com?flake_attr=defaultVM&machine=vm1&password=1234"
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)
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assert uri.params.flake_attr == "defaultVM"
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assert uri.params.machine == "vm1"
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match uri.scheme:
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case ClanScheme.HTTPS.value(url):
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assert url == "https://example.com&password=1234" # type: ignore
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case _:
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assert False
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