pymail/mail.py

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import smtplib
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import time
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from string import Template
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import pandas as pd
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from vars import *
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def get_contacts(filename):
"""
Return the lists containing the infos
read from a file specified by filename.
"""
return pd.read_csv(filename)
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def read_template(filename):
"""
Returns a Template object comprising the contents of the
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file specified by filename.
"""
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with open(filename, 'r', encoding='utf-8') as template_file:
template_file_content = template_file.read()
return Template(template_file_content)
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def main():
contacts = get_contacts('contacts.csv')
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message_template = read_template('message.html')
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# set up the SMTP server
s = smtplib.SMTP(HOST, PORT)
s.starttls()
s.login(MY_ADDRESS, PASSWORD)
# For each contact, send the email:
for i in contacts.index:
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print(f"Sending email {i+1}\n")
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msg = MIMEMultipart() # create a message
# add in the actual person name to the message template
contact_dict = {col: contacts[col][i] for col in contacts.columns}
message = message_template.substitute(contact_dict)
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# Prints out the message body for our sake
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print(f"{message}\n")
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# setup the parameters of the message
msg['From'] = MY_ADDRESS
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msg['To'] = contacts[MAIL_COLUMN][i]
msg['Subject'] = SUBJECT
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# add in the message body
msg.attach(MIMEText(message, 'html'))
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# send the message via the server set up earlier.
s.send_message(msg)
del msg
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if (i + 1) % WAIT_EVERY == 0:
time.sleep(DELAY_SEC)
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# Terminate the SMTP session and close the connection
s.quit()
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if __name__ == '__main__':
main()