File size: 5,361 Bytes
8345e43
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
"""Pydantic models for the DataClean-Env environment.

Defines typed Action, Observation, and State models following OpenEnv spec.
Observation uses issue-first design per Codex feedback.
"""

from __future__ import annotations

from typing import Any, Dict, List, Optional

from pydantic import BaseModel, Field

from openenv.core.env_server import Action, Observation, State


# --- Supporting Types ---

class QualityIssue(BaseModel):
    """A detected quality issue in the dataset."""

    row_id: int
    column: str
    issue_type: str = Field(
        description="One of: null, format, duplicate, case, type_violation, cross_field, anomaly"
    )
    description: str
    suggestion: Optional[str] = None


class IssueGroup(BaseModel):
    """Issues grouped by type for compact display."""

    issue_type: str
    count: int
    examples: List[QualityIssue] = Field(default_factory=list)


class DataSummary(BaseModel):
    """Compact summary of the dataset state."""

    row_count: int = 0
    column_count: int = 0
    total_cells: int = 0
    null_count: int = 0
    issue_count: int = 0
    columns: List[str] = Field(default_factory=list)
    dtypes: Dict[str, str] = Field(default_factory=dict)


class ActionResult(BaseModel):
    """Result of executing an action."""

    action: str
    status: str = Field(description="One of: success, error, no_effect")
    message: str
    cells_modified: int = 0


# --- Core Models ---

class DataCleanAction(Action):
    """Agent's action to clean data.

    Actions reference rows by stable `row_id` (integer, unique within
    episode, survives delete/merge operations). The row_id is visible
    in every observation row and does NOT change during the episode.
    """

    action_type: str = Field(
        ...,
        description=(
            "One of: fix_value, delete_row, fill_missing, standardize_format, "
            "merge_duplicates, flag_anomaly, split_column, rename_column, "
            "cast_type, escalate_to_human, mark_complete"
        ),
    )
    params: Dict[str, Any] = Field(
        default_factory=dict,
        description=(
            "Action-specific parameters. Use 'row_id' (not index) to reference rows. "
            "fix_value: {row_id, column, new_value}. "
            "delete_row: {row_id}. "
            "fill_missing: {row_id, column, value}. "
            "standardize_format: {column, format_type}. "
            "merge_duplicates: {row_id1, row_id2, strategy}. "
            "flag_anomaly: {row_id, column, reason}. "
            "split_column: {column, delimiter, new_names}. "
            "rename_column: {old_name, new_name}. "
            "cast_type: {column, target_type}. "
            "escalate_to_human: {row_id, column, confidence, reason}. "
            "mark_complete: {}."
        ),
    )


class DataCleanObservation(Observation):
    """What the agent sees after each step.

    Issue-first design: quality_issues and data_summary are primary.
    Full row data is secondary (truncated for large datasets).
    """

    # --- Issue-first fields (PRIMARY) ---
    data_summary: DataSummary = Field(default_factory=DataSummary)
    quality_issues: List[QualityIssue] = Field(default_factory=list)
    issue_groups: List[IssueGroup] = Field(default_factory=list)
    issues_remaining: int = 0

    # --- Data (SECONDARY, may be truncated) ---
    columns: List[str] = Field(default_factory=list)
    rows: List[List[Any]] = Field(default_factory=list)
    row_count: int = 0

    # --- Schema info ---
    schema_info: Dict[str, Any] = Field(default_factory=dict)

    # --- Step context ---
    step_number: int = 0
    max_steps: int = 30
    steps_remaining: int = 30

    # --- Budget info ---
    budget_spent: float = 0.0
    budget_remaining: float = 100.0
    action_costs: Dict[str, float] = Field(default_factory=dict)

    # --- History ---
    last_action_result: Optional[ActionResult] = None
    recent_actions: List[ActionResult] = Field(default_factory=list)

    # --- Task info ---
    task_id: str = ""
    task_name: str = ""
    difficulty: str = ""

    # --- Inherited from Observation base ---
    # done: bool = False
    # reward: bool | int | float | None = None
    # metadata: Dict[str, Any] = {}


class DataCleanState(State):
    """Internal environment state. Not exposed to agent directly."""

    # Inherited: episode_id (str), step_count (int)
    task_id: str = ""
    difficulty: str = ""
    current_data: List[Dict[str, Any]] = Field(default_factory=list)
    ground_truth: List[Dict[str, Any]] = Field(default_factory=list)
    original_dirty: List[Dict[str, Any]] = Field(default_factory=list)
    schema_def: Dict[str, Any] = Field(default_factory=dict)
    action_log: List[Dict[str, Any]] = Field(default_factory=list)
    flagged_cells: List[Dict[str, str]] = Field(default_factory=list)
    escalated_cells: List[Dict[str, Any]] = Field(default_factory=list)
    max_steps: int = 30
    is_complete: bool = False
    previous_score: float = 0.0  # For delta reward computation (mutates each step)
    initial_raw_score: float = 0.0  # Raw score of dirty data at reset (immutable)

    # Cost-aware intervention budget
    action_budget: float = 100.0      # Total budget for the episode
    budget_spent: float = 0.0         # Cost spent so far
    budget_remaining: float = 100.0   # Budget left