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
|
# type: ignore
import xml.etree.ElementTree as ET
import zipfile
from typing import AsyncGenerator
from core.base.parsers.base_parser import AsyncParser
from core.base.providers import (
CompletionProvider,
DatabaseProvider,
IngestionConfig,
)
class ODTParser(AsyncParser[str | bytes]):
def __init__(
self,
config: IngestionConfig,
database_provider: DatabaseProvider,
llm_provider: CompletionProvider,
):
self.database_provider = database_provider
self.llm_provider = llm_provider
self.config = config
self.zipfile = zipfile
self.ET = ET
async def ingest(
self, data: str | bytes, **kwargs
) -> AsyncGenerator[str, None]:
if isinstance(data, str):
raise ValueError("ODT data must be in bytes format.")
from io import BytesIO
file_obj = BytesIO(data)
try:
with self.zipfile.ZipFile(file_obj) as odt:
# ODT files are zip archives containing content.xml
content = odt.read("content.xml")
root = self.ET.fromstring(content)
# ODT XML namespace
ns = {"text": "urn:oasis:names:tc:opendocument:xmlns:text:1.0"}
# Extract paragraphs and headers
for p in root.findall(".//text:p", ns):
text = "".join(p.itertext())
if text.strip():
yield text.strip()
for h in root.findall(".//text:h", ns):
text = "".join(h.itertext())
if text.strip():
yield text.strip()
except Exception as e:
raise ValueError(f"Error processing ODT file: {str(e)}") from e
finally:
file_obj.close()
|