[#3] Added generate proto script create container method

Signed-off-by: Ilyas Niyazov <i.niyazov@yadro.com>

frostfs_sdk/models/dto/container.py

@@ -0,0 +1,29 @@
+from dataclasses import dataclass, field
+from typing import Dict, Optional
+import uuid
+
+from frostfs_sdk.models.dto.owner_id import OwnerId
+from frostfs_sdk.models.dto.version import Version
+from frostfs_sdk.models.enums.basic_acl import BasicAcl
+from frostfs_sdk.models.dto.placement_policy import PlacementPolicy
+
+
+
+@dataclass
+class Container:
+    # basicAcl: BasicAcl  # TODO: will remove it?
+    placementPolicy: PlacementPolicy
+    nonce: uuid.UUID = field(default_factory=uuid.uuid4)
+    version: Optional[Version] = None
+    owner_id: Optional[OwnerId] = None
+    attributes: Dict[str, str] = field(default_factory=dict)
+
+    def __init__(self, placementPolicy: PlacementPolicy):
+        self.nonce = uuid.uuid4()
+        self.placementPolicy = placementPolicy
+        self.attributes = {}
+
+
+@dataclass
+class ContainerId:
+    value: str

frostfs_sdk/models/dto/filter.py

@@ -0,0 +1,14 @@
+from dataclasses import dataclass
+
+from frostfs_sdk.models.enums.filter_operation import FilterOperation
+
+
+@dataclass(frozen=True)
+class Filter:
+    """
+    Data Transfer Object for Filter configuration
+    """
+    name: str
+    key: str
+    operation: FilterOperation
+    value: str

frostfs_sdk/models/dto/meta_header.py

@@ -0,0 +1,47 @@
+from dataclasses import dataclass
+from typing import Optional
+
+from frostfs_sdk.models.dto.version import Version, DEFAULT_MAJOR_VERSION, DEFAULT_MINOR_VERSION
+
+
+class MetaHeader:
+    def __init__(self, version=None, epoch: int = 0, ttl: int = 2):
+        """
+        Initializes a MetaHeader object.
+
+        :param version: A Version object representing the version.
+        :param epoch: An integer representing the epoch (default: 0).
+        :param ttl: An integer representing the time-to-live (default: 2).
+        """
+        self._version = None
+        self._epoch = None
+        self._ttl = None
+
+        # Set default values if not provided
+        self.set_version(version or Version(DEFAULT_MAJOR_VERSION, DEFAULT_MINOR_VERSION))
+        self.set_epoch(epoch)
+        self.set_ttl(ttl)
+
+    def get_version(self):
+        return self._version
+
+    def get_epoch(self):
+        return self._epoch
+
+    def get_ttl(self):
+        return self._ttl
+
+    def set_version(self, version):
+        if version is None:
+            raise ValueError(f"Input parameter is missing: {Version.__name__}")
+        self._version = version
+
+    def set_epoch(self, epoch: int):
+        if epoch < 0:
+            raise ValueError("Epoch must be greater than or equal to zero")
+        self._epoch = epoch
+
+    def set_ttl(self, ttl: int):
+        if ttl <= 0:
+            raise ValueError("TTL must be greater than zero")
+        self._ttl = ttl

frostfs_sdk/models/dto/owner_id.py

@@ -0,0 +1,21 @@
+from base58 import b58decode
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class OwnerId:
+    value: str
+
+    def __post_init__(self):
+        if not self.value or self.value.strip() == "":
+            raise ValueError(f"{self.__class__.__name__} value is not present")
+
+    def to_hash(self) -> bytes:
+        """Decodes the Base58-encoded value into a byte array."""
+        try:
+            return b58decode(self.value)
+        except Exception as e:
+            raise ValueError(f"Failed to decode Base58 value: {self.value}") from e
+
+    def __str__(self) -> str:
+        return self.value

frostfs_sdk/models/dto/placement_policy.py

@@ -0,0 +1,14 @@
+from dataclasses import dataclass
+from typing import List
+
+from frostfs_sdk.models.dto.replica import Replica
+from frostfs_sdk.models.dto.selector import Selector
+from frostfs_sdk.models.dto.filter import Filter
+
+@dataclass
+class PlacementPolicy:
+    replicas: List[Replica]
+    unique: bool
+    backup_factory: int
+    filters: List[Filter] = None
+    selectors: List[Selector] = None

frostfs_sdk/models/dto/replica.py

@@ -0,0 +1,12 @@
+from dataclasses import dataclass, field
+
+
+EMPTY_STRING = ""
+
+@dataclass
+class Replica:
+    count: int
+    selector: str = field(default=EMPTY_STRING)
+
+    def __post_init__(self):
+        self.selector = self.selector if self.selector else EMPTY_STRING

frostfs_sdk/models/dto/selector.py

@@ -0,0 +1,15 @@
+from dataclasses import dataclass
+
+from frostfs_sdk.models.enums.selector_clause import SelectorClause
+
+
+@dataclass(frozen=True)
+class Selector:
+    """
+    Data Transfer Object for Selector configuration
+    """
+    name: str
+    count: int
+    clause: SelectorClause
+    attribute: str
+    filter: str

frostfs_sdk/models/dto/version.py

@@ -0,0 +1,19 @@
+from dataclasses import dataclass
+
+DEFAULT_MAJOR_VERSION = 2
+DEFAULT_MINOR_VERSION = 13
+
+
+@dataclass(frozen=True)
+class Version:
+    major: int = DEFAULT_MAJOR_VERSION
+    minor: int = DEFAULT_MINOR_VERSION
+
+    def __str__(self) -> str:
+        return f"v{self.major}.{self.minor}"
+
+    def is_supported(self, other):
+        if not isinstance(other, Version):
+            return False
+        return self.major == other.major
+