48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
# clean_eml.py
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#
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# Convert .eml files to plain text files for use with build.py.
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# Place .eml files in ./eml, then run this script to produce
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# dated .txt files in ./data.
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#
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# August 2025
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# E. M. Furst
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from email import policy
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from email.parser import BytesParser
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from pathlib import Path
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from dateutil import parser
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from dateutil import tz
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eml_dir = "eml"
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out_dir = "data"
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for eml_file in Path(eml_dir).glob("*.eml"):
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with open(eml_file, "rb") as f:
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msg = BytesParser(policy=policy.default).parse(f)
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# Get metadata
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subject = msg.get("subject", "No Subject")
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date = msg.get("date", "No Date")
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# Convert date to a safe format for filenames: YYYY_MM_DD_hhmmss
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date = parser.parse(date)
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if date.tzinfo is None:
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date = date.replace(tzinfo=tz.tzlocal())
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date = date.astimezone(tz.tzlocal())
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msg_date = date.strftime("%d/%m/%Y, %H:%M:%S")
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date = date.strftime("%Y_%m_%d_%H%M%S")
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# Prefer plain text, fallback to HTML
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body_part = msg.get_body(preferencelist=('plain', 'html'))
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if body_part:
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body_content = body_part.get_content()
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else:
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body_content = msg.get_payload()
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# Combine into a clean string with labels and newlines
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text = f"Subject: {subject}\nDate: {date}\n\n{body_content}"
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out_file = Path(f"{out_dir}/{date}.txt").open("w", encoding="utf-8")
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out_file.write(text)
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print(f"{msg_date}")
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