refactor: reorgnize all examples/ and test/
This commit is contained in:
Andy Lee
167
apps/email_data/LEANN_email_reader.py
Normal file
167
apps/email_data/LEANN_email_reader.py
Normal file
@@ -0,0 +1,167 @@
|
||||
import email
|
||||
import os
|
||||
from pathlib import Path
|
||||
from typing import Any
|
||||
|
||||
from llama_index.core import Document
|
||||
from llama_index.core.readers.base import BaseReader
|
||||
|
||||
|
||||
def find_all_messages_directories(root: str | None = None) -> list[Path]:
|
||||
"""
|
||||
Recursively find all 'Messages' directories under the given root.
|
||||
Returns a list of Path objects.
|
||||
"""
|
||||
if root is None:
|
||||
# Auto-detect user's mail path
|
||||
home_dir = os.path.expanduser("~")
|
||||
root = os.path.join(home_dir, "Library", "Mail")
|
||||
|
||||
messages_dirs = []
|
||||
for dirpath, _dirnames, _filenames in os.walk(root):
|
||||
if os.path.basename(dirpath) == "Messages":
|
||||
messages_dirs.append(Path(dirpath))
|
||||
return messages_dirs
|
||||
|
||||
|
||||
class EmlxReader(BaseReader):
|
||||
"""
|
||||
Apple Mail .emlx file reader with embedded metadata.
|
||||
|
||||
Reads individual .emlx files from Apple Mail's storage format.
|
||||
"""
|
||||
|
||||
def __init__(self, include_html: bool = False) -> None:
|
||||
"""
|
||||
Initialize.
|
||||
|
||||
Args:
|
||||
include_html: Whether to include HTML content in the email body (default: False)
|
||||
"""
|
||||
self.include_html = include_html
|
||||
|
||||
def load_data(self, input_dir: str, **load_kwargs: Any) -> list[Document]:
|
||||
"""
|
||||
Load data from the input directory containing .emlx files.
|
||||
|
||||
Args:
|
||||
input_dir: Directory containing .emlx files
|
||||
**load_kwargs:
|
||||
max_count (int): Maximum amount of messages to read.
|
||||
"""
|
||||
docs: list[Document] = []
|
||||
max_count = load_kwargs.get("max_count", 1000)
|
||||
count = 0
|
||||
total_files = 0
|
||||
successful_files = 0
|
||||
failed_files = 0
|
||||
|
||||
print(f"Starting to process directory: {input_dir}")
|
||||
|
||||
# Walk through the directory recursively
|
||||
for dirpath, dirnames, filenames in os.walk(input_dir):
|
||||
# Skip hidden directories
|
||||
dirnames[:] = [d for d in dirnames if not d.startswith(".")]
|
||||
|
||||
for filename in filenames:
|
||||
# Check if we've reached the max count (skip if max_count == -1)
|
||||
if max_count > 0 and count >= max_count:
|
||||
break
|
||||
|
||||
if filename.endswith(".emlx"):
|
||||
total_files += 1
|
||||
filepath = os.path.join(dirpath, filename)
|
||||
try:
|
||||
# Read the .emlx file
|
||||
with open(filepath, encoding="utf-8", errors="ignore") as f:
|
||||
content = f.read()
|
||||
|
||||
# .emlx files have a length prefix followed by the email content
|
||||
# The first line contains the length, followed by the email
|
||||
lines = content.split("\n", 1)
|
||||
if len(lines) >= 2:
|
||||
email_content = lines[1]
|
||||
|
||||
# Parse the email using Python's email module
|
||||
try:
|
||||
msg = email.message_from_string(email_content)
|
||||
|
||||
# Extract email metadata
|
||||
subject = msg.get("Subject", "No Subject")
|
||||
from_addr = msg.get("From", "Unknown")
|
||||
to_addr = msg.get("To", "Unknown")
|
||||
date = msg.get("Date", "Unknown")
|
||||
|
||||
# Extract email body
|
||||
body = ""
|
||||
if msg.is_multipart():
|
||||
for part in msg.walk():
|
||||
if (
|
||||
part.get_content_type() == "text/plain"
|
||||
or part.get_content_type() == "text/html"
|
||||
):
|
||||
if (
|
||||
part.get_content_type() == "text/html"
|
||||
and not self.include_html
|
||||
):
|
||||
continue
|
||||
try:
|
||||
payload = part.get_payload(decode=True)
|
||||
if payload:
|
||||
body += payload.decode("utf-8", errors="ignore")
|
||||
except Exception as e:
|
||||
print(f"Error decoding payload: {e}")
|
||||
continue
|
||||
else:
|
||||
try:
|
||||
payload = msg.get_payload(decode=True)
|
||||
if payload:
|
||||
body = payload.decode("utf-8", errors="ignore")
|
||||
except Exception as e:
|
||||
print(f"Error decoding single part payload: {e}")
|
||||
body = ""
|
||||
|
||||
# Only create document if we have some content
|
||||
if body.strip() or subject != "No Subject":
|
||||
# Create document content with metadata embedded in text
|
||||
doc_content = f"""
|
||||
[File]: {filename}
|
||||
[From]: {from_addr}
|
||||
[To]: {to_addr}
|
||||
[Subject]: {subject}
|
||||
[Date]: {date}
|
||||
[EMAIL BODY Start]:
|
||||
{body}
|
||||
"""
|
||||
|
||||
# No separate metadata - everything is in the text
|
||||
doc = Document(text=doc_content, metadata={})
|
||||
docs.append(doc)
|
||||
count += 1
|
||||
successful_files += 1
|
||||
|
||||
# Print first few successful files for debugging
|
||||
if successful_files <= 3:
|
||||
print(
|
||||
f"Successfully loaded: {filename} - Subject: {subject[:50]}..."
|
||||
)
|
||||
|
||||
except Exception as e:
|
||||
failed_files += 1
|
||||
if failed_files <= 5: # Only print first few errors
|
||||
print(f"Error parsing email from {filepath}: {e}")
|
||||
continue
|
||||
|
||||
except Exception as e:
|
||||
failed_files += 1
|
||||
if failed_files <= 5: # Only print first few errors
|
||||
print(f"Error reading file {filepath}: {e}")
|
||||
continue
|
||||
|
||||
print("Processing summary:")
|
||||
print(f" Total .emlx files found: {total_files}")
|
||||
print(f" Successfully loaded: {successful_files}")
|
||||
print(f" Failed to load: {failed_files}")
|
||||
print(f" Final documents: {len(docs)}")
|
||||
|
||||
return docs
|
||||
Reference in New Issue
Block a user