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Truncate Emails #11

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Truncate Emails #11

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06f87f2
truncate emails
shawseanyang Jul 9, 2024
4f81d50
Merge branch 'main' into truncate_emails
shawseanyang Aug 16, 2024
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12 changes: 11 additions & 1 deletion src/panza/data_preparation/extract_emails.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
import langdetect

CLEAN_EMAILS = []
TRUNCATED_EMAILS_COUNTER = 0
DISCARDED_EMAILS = {
"non_english": [],
"forwarded": [],
Expand All @@ -18,7 +19,7 @@
}

SHORT_EMAIL_THRESHOLD = 10 # words

LONG_EMAIL_THRESHOLD = 500 # words

def extract_only_plain_text(msg_part):
if msg_part.get_content_type() == "text/plain":
Expand Down Expand Up @@ -46,6 +47,11 @@ def remove_date_time(email_body):
else:
return email_body

def truncate_long_emails(email_body):
if count_words(email_body) > LONG_EMAIL_THRESHOLD:
TRUNCATED_EMAILS_COUNTER += 1
return " ".join(email_body.split()[:LONG_EMAIL_THRESHOLD])
return email_body

def remove_lines_starting_with_gt(text):
lines = text.split("\n")
Expand Down Expand Up @@ -100,6 +106,9 @@ def filter_message(msg):

main_email = email_with_thread.pop(0)
email_with_thread.reverse() # chronological order

# truncate long emails
main_email = truncate_long_emails(main_email)

# check length before detecting language
if count_words(main_email) < SHORT_EMAIL_THRESHOLD:
Expand Down Expand Up @@ -167,6 +176,7 @@ def main():
f"\n\t forwarded = {len(DISCARDED_EMAILS['forwarded'])}"
f"\n\t cant_decode_utf8 = {len(DISCARDED_EMAILS['cant_decode_utf8'])}"
)
print(f"# truncated emails = {TRUNCATED_EMAILS_COUNTER}")

first_email = EMAIL[0]
username = first_email[: first_email.find("@")]
Expand Down