export_chatgpt_chat_to_md.py

export_chatgpt_chat_to_md.py

#! /usr/bin/env python3.12
from __future__ import annotations

import argparse
import json
import random
import re
import sys
from pathlib import Path
from typing import Literal, TypedDict


class Node(TypedDict):
    id: str
    parent: str | None
    children: list[str]
    message: Message | None


class Message(TypedDict):
    id: str
    author: Author
    content: UserEditableContext | TextContent
    metadata: dict | ReasoningMetadata | ExecutionOutputMetadata
    status: Literal["finished_successfully"]


class Author(TypedDict):
    role: Literal["user", "assistant", "tool", "system"]
    name: Literal["python"] | None


class UserEditableContext(TypedDict):
    content_type: Literal["user_editable_context"]
    user_profile: str
    user_instructions: str


class TextContent(TypedDict):
    content_type: Literal["text"]
    parts: list[str]


class ThoughtsContent(TypedDict):
    content_type: Literal["thoughts"]
    thoughts: list[Thought]
    source_analysis_msg_id: str


class Thought(TypedDict):
    summary: str
    content: str


class ReasoningMetadata(TypedDict):
    reasoning_status: Literal["is_reasoning", "reasoning_ended"]


class CodeContent(TypedDict):
    content_type: Literal["code"]
    language: Literal["unknown"]
    text: str


class ExecutionOutputContent(TypedDict):
    content_type: Literal["execution_output"]
    text: str


class ExecutionOutputMetadata(TypedDict):
    aggregate_result: dict


class ExecutionOutputAggregateResult(TypedDict):
    status: Literal["success"]
    run_id: str
    code: str
    final_expression_output: str


# region ---[ Common Helpers ]---
def _write_branch_to_file(
    branch: list[dict], filename: str, title: str, no_thoughts: bool = False
):
    with open(filename, "w") as f:
        f.write(f"# {title}\n" + "=" * len(title) + "\n\n")
        current_author = None
        in_thoughts = False
        skip_next = False
        for i, node in enumerate(branch):
            if skip_next:
                skip_next = False
                continue

            message = node.get("message")
            if not message:
                continue

            author = message.get("author", {}).get("role")
            if author == "system":
                continue  # Skip hidden system messages

            content = message.get("content", {})
            content_type = content.get("content_type")
            metadata = message.get("metadata", {})
            reasoning_status = metadata.get("reasoning_status")

            if author != current_author:
                if author == "user":
                    f.write("---\n\n# User\n\n")
                elif author == "assistant":
                    f.write("---\n\n# Assistant\n\n")
                current_author = author

            if author == "user":
                for part in content.get("parts", []):
                    match content_type:
                        case "text":
                            assert isinstance(part, str), (
                                f"Expected 'part' to be a str because content.content_type is 'text', got {type(part)}"
                            )
                            f.write(f"{part}\n\n")
                            continue

                    match part.get("content_type"):
                        case "real_time_user_audio_video_asset_pointer":
                            duration = float(
                                part.get("audio_asset_pointer", {})
                                .get("metadata", {})
                                .get("end")
                            ) - float(
                                part.get("audio_asset_pointer", {})
                                .get("metadata", {})
                                .get("start")
                            )
                            f.write(f"🎙️ ({duration:.1f}s)\n\n")
                        case "audio_transcription":
                            f.write(f"{part.get('text')}\n\n")
                        case _:
                            print(
                                f"⚠️ Unknown user part type: {part.get('content_type')}"
                            )
            elif author == "assistant":
                if no_thoughts and reasoning_status == "is_reasoning":
                    continue
                if (
                    reasoning_status == "is_reasoning"
                    and content_type == "thoughts"
                    and not in_thoughts
                ):
                    f.write("<thoughts>\n")
                    in_thoughts = True

                if content_type == "thoughts":
                    for thought in content.get("thoughts", []):
                        f.write(
                            f"*   **{thought.get('summary')}**: {thought.get('content')}\n"
                        )
                    f.write("\n")
                elif content_type == "code":
                    f.write(f"```python\n{content.get('text', '')}\n```\n")
                    if i + 1 < len(branch):
                        next_node = branch[i + 1]
                        next_message = next_node.get("message", {})
                        next_author = next_message.get("author", {}).get("role")
                        next_content = next_message.get("content", {})
                        if (
                            next_author == "tool"
                            and next_content.get("content_type") == "execution_output"
                        ):
                            f.write(f"{next_content.get('text', '')}\n\n\n")
                            skip_next = True
                elif content_type == "text":
                    parts = content.get("parts", [])
                    if parts:
                        f.write(f"{parts[0]}\n\n")
                elif content_type == "reasoning_recap":
                    f.write(f"{content.get('content')}\n\n")
                elif content_type == "multimodal_text":
                    for part in content.get("parts", []):
                        match part.get("content_type"):
                            case "real_time_user_audio_video_asset_pointer":
                                duration = float(
                                    part.get("audio_asset_pointer", {})
                                    .get("metadata", {})
                                    .get("end")
                                ) - float(
                                    part.get("audio_asset_pointer", {})
                                    .get("metadata", {})
                                    .get("start")
                                )
                                f.write(f"🎙️ ({duration:.1f}s)\n\n")
                            case "audio_transcription":
                                f.write(f"{part.get('text')}\n\n")
                            case "audio_asset_pointer":
                                pass
                            case _:
                                print(
                                    f"⚠️ Unknown multimodal_text part type: {part.get('content_type')}"
                                )
                else:
                    non_empty_keys = {
                        k for k, v in content.items() if v and k != "content_type"
                    }
                    if non_empty_keys:
                        print(
                            f"⚠️ Unknown content type: {content_type}. Non-empty keys: {non_empty_keys}"
                        )

                if in_thoughts and (
                    reasoning_status == "reasoning_ended" or content_type != "thoughts"
                ):
                    f.write("</thoughts>\n\n")
                    in_thoughts = False
            else:
                print(f"⚠️ Unknown author: {author}")

    print(f"Wrote {len(branch)} nodes to {filename}")


def _traverse_branches(
    node_id: str, data: dict, path: list[dict], all_branches: list[list[dict]]
) -> None:
    """Populates all_branches with all message lists in place."""
    path.append(data["mapping"][node_id])

    node = data["mapping"][node_id]
    children: list = node.get("children", [])

    if not children:
        all_branches.append(list(path))
    else:
        for child_id in children:
            _traverse_branches(child_id, data, path, all_branches)

    path.pop()


def _collect_path_to_root(data: dict, current_node_id: str) -> list[dict]:
    path: list[dict] = []
    # Climb up the tree to the root node and collect the nodes in the path.
    while current_node_id:
        node = data["mapping"].get(current_node_id)
        if not node:
            break
        path.append(node)
        current_node_id = node.get("parent")
    path.reverse()
    return path


def _replace_uuids(input_path: Path | str) -> str | FileNotFoundError | ValueError:
    WORDS = [
        "Abscond",
        "Absurdist",
        "Adventure",
        "Alacrity",
        "Algorithm",
        "Allegory",
        "Altruism",
        "Ambivalent",
        "Ameliorate",
        "Amethyst",
        "Anthropological",
        "Archeological",
        "Artificial",
        "Astronomical",
        "Auburn",
        "Augmented",
        "Baleen",
        "Ballad",
        "Ballet",
        "Baroque",
        "Benevolent",
        "Bicycle",
        "Bilk",
        "Biological",
        "Breeze",
        "Bubble",
        "Burlesque",
        "Cacophony",
        "Cadence",
        "Cajole",
        "Capricious",
        "Carousel",
        "Cascade",
        "Catalyst",
        "Cavalier",
        "Chastise",
        "Chiaroscuro",
        "Chocolate",
        "Chrysalis",
        "Classicism",
        "Cobalt",
        "Colonial",
        "Comedy",
        "Concerto",
        "Conundrum",
        "Convivial",
        "Copious",
        "Cosmological",
        "Courage",
        "Crimson",
        "Cubism",
        "Curiosity",
        "Dadaism",
        "Dazzle",
        "Deleterious",
        "Delineate",
        "Dewdrop",
        "Digital",
        "Discombobulate",
        "Dolphin",
        "Dragonfly",
        "Drama",
        "Drift",
        "Ebullient",
        "Echo",
        "Ecological",
        "Effusive",
        "Egalitarian",
        "Egotistical",
        "Egregious",
        "Elegy",
        "Elephant",
        "Ember",
        "Emerald",
        "Enigma",
        "Enlightenment",
        "Environmental",
        "Ephemeral",
        "Epic",
        "Epicurean",
        "Epiphany",
        "Euphemism",
        "Existential",
        "Expressionism",
        "Fable",
        "Facetious",
        "Farce",
        "Fathom",
        "Firefly",
        "Flicker",
        "Flourish",
        "Flummox",
        "Folklore",
        "Fossil",
        "Frivolous",
        "Futurism",
        "Garnet",
        "Garrulous",
        "Geological",
        "Giggle",
        "Glimmer",
        "Glimpse",
        "Gossamer",
        "Gothic",
        "Grandiloquent",
        "Gregarious",
        "Gusto",
        "Hackneyed",
        "Haiku",
        "Halcyon",
        "Hapless",
        "Harangue",
        "Harmony",
        "Hedonistic",
        "Horizon",
        "Humming",
        "Hush",
        "Hyperbole",
        "Iconoclast",
        "Idiom",
        "Idiosyncrasy",
        "Imbibe",
        "Impecunious",
        "Impressionism",
        "Incandescent",
        "Indigo",
        "Industrial",
        "Ineffable",
        "Innovation",
        "Insidious",
        "Integrity",
        "Irony",
        "Ivory",
        "Jasmine",
        "Jigsaw",
        "Jocular",
        "Jocund",
        "Jubilant",
        "Jubilation",
        "Jubilee",
        "Juxtapose",
        "Juxtaposition",
        "Kaleidoscope",
        "Keen",
        "Kintsugi",
        "Kite",
        "Kiwi",
        "Knoll",
        "Labyrinth",
        "Lackadaisical",
        "Laconic",
        "Lark",
        "Lavender",
        "Legend",
        "Lighthouse",
        "Limerick",
        "Liminal",
        "Lissom",
        "Lugubrious",
        "Lullaby",
        "Luminous",
        "Majestic",
        "Malevolent",
        "Malign",
        "Masticate",
        "Maximalism",
        "Meadow",
        "Melancholy",
        "Mellifluous",
        "Melodrama",
        "Metaphor",
        "Metaphysical",
        "Minimalism",
        "Mirage",
        "Mitigate",
        "Modernism",
        "Moonglade",
        "Mountain",
        "Mystery",
        "Myth",
        "Nary",
        "Natural",
        "Nebula",
        "Nectar",
        "Nefarious",
        "Nihilism",
        "Nimbus",
        "Noxious",
        "Nymph",
        "Obfuscate",
        "Obsequious",
        "Ode",
        "Onerous",
        "Onomatopoeia",
        "Opal",
        "Opaline",
        "Opera",
        "Orchid",
        "Organic",
        "Ostentatious",
        "Oxymoron",
        "Paradigm",
        "Paradox",
        "Paranormal",
        "Parody",
        "Parsimonious",
        "Pastiche",
        "Paucity",
        "Pebble",
        "Perfunctory",
        "Pernicious",
        "Petrichor",
        "Philosophical",
        "Pillow",
        "Plethora",
        "Ponder",
        "Poppy",
        "Postmodernism",
        "Prism",
        "Proverb",
        "Psychological",
        "Quagmire",
        "Quaint",
        "Quantize",
        "Quantum",
        "Quasar",
        "Querulous",
        "Quibble",
        "Quill",
        "Quixotic",
        "Radiant",
        "Rainbow",
        "Rancor",
        "Recalcitrant",
        "Renaissance",
        "Repudiate",
        "Resilience",
        "Rhapsody",
        "Ripple",
        "Rococo",
        "Romanticism",
        "Rustic",
        "Sagacious",
        "Salient",
        "Sapphire",
        "Sarcasm",
        "Sardonic",
        "Satire",
        "Serendipity",
        "Serene",
        "Simile",
        "Sociological",
        "Solipsism",
        "Solstice",
        "Sonnet",
        "Sparkle",
        "Starlight",
        "Stoic",
        "Stymie",
        "Sunshine",
        "Supernatural",
        "Surrealism",
        "Sway",
        "Sycophant",
        "Symphony",
        "Synthetic",
        "Taciturn",
        "Tapestry",
        "Tautology",
        "Tender",
        "Theological",
        "Toady",
        "Tragedy",
        "Tranquil",
        "Transcendent",
        "Trepidation",
        "Twilight",
        "Ubiquitous",
        "Umbrella",
        "Unctuous",
        "Utopia",
        "Velvet",
        "Vexatious",
        "Vicarious",
        "Vicissitude",
        "Victorian",
        "Virtual",
        "Vivid",
        "Vortex",
        "Wander",
        "Wanderlust",
        "Wanton",
        "Watermelon",
        "Whisker",
        "Whisper",
        "Willow",
        "Wily",
        "Xenodochial",
        "Xenon",
        "Xenophobia",
        "Xylophone",
        "Yacht",
        "Yawn",
        "Yearn",
        "Yield",
        "Zealous",
        "Zenith",
        "Zephyr",
        "Zest",
        "Zigzag",
        "Zinnia",
    ]
    try:
        input_content = Path(input_path).read_text()
    except FileNotFoundError:
        return FileNotFoundError(f"Input file not found at '{input_path}'")

    uuid_re = re.compile("[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}")
    all_uuids_in_input = re.findall(uuid_re, input_content)
    unique_uuids = list(set(all_uuids_in_input))

    # Ensure there are enough unique words for all the unique UUIDs
    if len(WORDS) < len(unique_uuids):
        error = (
            f"Error: Not enough unique words in '{WORDS}'. "
            f"Need {len(unique_uuids)}, but only {len(WORDS)} words are available."
        )
        return ValueError(error)

    # Assign a unique random word to each UUID by shuffling the word list
    # and creating a mapping dictionary for efficient lookups.
    random.shuffle(WORDS)
    uuid_to_word_map = dict(zip(unique_uuids, WORDS))

    # For efficiency, build a single regex that matches any of the UUIDs.
    # re.escape is used to safely handle any special regex characters in UUIDs.
    pattern = re.compile("|".join(re.escape(uuid) for uuid in uuid_to_word_map))

    # Perform the replacement in a single pass. The lambda function looks up
    # the matched UUID and returns its corresponding word.
    modified_content = pattern.sub(
        lambda match: uuid_to_word_map[match.group(0)], input_content
    )

    return modified_content


# region ---[ Convert ]---


def convert(
    json_file: Path | str,
    markdown_file: str,
    branches: bool,
    replace_uuids: bool,
    no_thoughts: bool = False,
) -> None:
    json_file = Path(json_file)
    if replace_uuids:
        data = _replace_uuids(json_file)
    else:
        data = json_file.read_text()

    data = json.loads(data)
    if branches:
        root_node_id = None
        for node_id, node in data["mapping"].items():
            if node.get("parent") is None:
                root_node_id = node_id
                break

        if root_node_id:
            all_branches = []
            _traverse_branches(root_node_id, data, [], all_branches)

            for i, branch in enumerate(all_branches):
                filename = f"{markdown_file.replace('.md', '')}_branch_{i + 1}.md"
                _write_branch_to_file(
                    branch,
                    filename,
                    data.get("title", "Conversation"),
                    no_thoughts=no_thoughts,
                )
    else:
        _convert_conversation_to_markdown(
            json_file,
            markdown_file,
            no_thoughts=no_thoughts,
        )


def _convert_conversation_to_markdown(
    json_file: str, markdown_file: str, no_thoughts: bool = False
) -> None:
    with open(json_file, "r") as f:
        data = json.load(f)

    # current_node is the bottom-most node in the conversation.
    current_node_id = data.get("current_node")

    # Climb up the tree to the root node and collect the nodes in the path.
    path = _collect_path_to_root(data, current_node_id)

    _write_branch_to_file(
        path, markdown_file, data.get("title", "Conversation"), no_thoughts=no_thoughts
    )


# region ---[ Pick ]---
def pick_branch(
    json_file: Path | str,
    output_file: str,
    message_id_in_branch: str | None = None,
    replace_uuids: bool = False,
    no_thoughts: bool = False,
) -> None:
    json_file = Path(json_file)
    if replace_uuids:
        data = _replace_uuids(json_file)
    else:
        data = json_file.read_text()

    data = json.loads(data)
    title = data.get("title", "Conversation")
    if message_id_in_branch is None:
        # Pluck main branch from current_node
        current_node_id = data.get("current_node")
        path = _collect_path_to_root(data, current_node_id)
        # No need to collect children, because current_node is the bottom-most node.
        _write_branch_to_file(path, output_file, title, no_thoughts=no_thoughts)
        return

    # Generate all branches and select the specified one
    up_to_root = _collect_path_to_root(data, message_id_in_branch)
    children = []
    _traverse_branches(message_id_in_branch, data, [], children)
    down_to_bottom = children[0]
    assert down_to_bottom[0].get("id") == up_to_root[-1].get("id")
    entire_branch = [*up_to_root, *down_to_bottom[1:]]
    _write_branch_to_file(entire_branch, output_file, title, no_thoughts=no_thoughts)


# region ---[ CLI ]---
def main_cli():
    CONVERT_COMMAND = "convert"
    PICK_COMMAND = "pick"
    if not any(arg in [CONVERT_COMMAND, PICK_COMMAND] for arg in sys.argv[1:]):
        sys.argv.insert(1, CONVERT_COMMAND)

    parser = argparse.ArgumentParser(
        description="Convert conversation JSON to Markdown or pluck node."
    )
    
    subparsers = parser.add_subparsers(dest="command", required=True)

    # Default (convert) subparser
    convert_parser = subparsers.add_parser(
        CONVERT_COMMAND, help="Convert JSON to Markdown (default)"
    )
    convert_parser.add_argument("json_file", help="The input JSON file.")
    convert_parser.add_argument("markdown_file", help="The output Markdown file.")
    convert_parser.add_argument(
        "-b",
        "--branches",
        action="store_true",
        help="Export all conversation branches to individual files.",
    )

    # Pluck subparser
    pluck_parser = subparsers.add_parser(
        PICK_COMMAND, help="Pluck a branch to Markdown file."
    )
    pluck_parser.add_argument("json_file", help="The input JSON file.")
    pluck_parser.add_argument("output_file", help="The output Markdown file.")
    pluck_parser.add_argument(
        "-m",
        "--message",
        type=str,
        default=None,
        help="Optional message ID which the target branch contains.",
    )
    for subparser in subparsers.choices.values():
        subparser.add_argument(
            "--replace-uuids",
            action="store_true",
            help="Replace UUIDs in the output with random words.",
        )
        subparser.add_argument(
            "--no-thoughts",
            action="store_true",
            help="Exclude thoughts in the output.",
        )

    args = parser.parse_args()
    replace_uuids: bool = args.replace_uuids
    no_thoughts: bool = args.no_thoughts

    if args.command == CONVERT_COMMAND:
        json_file = args.json_file
        markdown_file = args.markdown_file
        branches = args.branches

        convert(
            json_file, markdown_file, branches, replace_uuids, no_thoughts=no_thoughts
        )
    elif args.command == PICK_COMMAND:
        pick_branch(
            args.json_file,
            args.output_file,
            args.message,
            replace_uuids=replace_uuids,
            no_thoughts=no_thoughts,
        )


if __name__ == "__main__":
    main_cli()