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Overload config with environment variables

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Improves mail configuration management
This commit is contained in:
Maxence G. de Montauzan
2023-11-10 00:16:39 +01:00
parent 0ee46a5d9e
commit fd7e6b73d1
1 changed files with 31 additions and 19 deletions
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50
notifier.py
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@@ -1,33 +1,40 @@
import configparser
import datetime
import json
import os
import smtplib
from configparser import ConfigParser
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import requests
SMTP_PORT = 0
SMTP_SERVER = "null"
SENDER_EMAIL = "a@b.c"
RECEIVER_EMAIL = "d@e.f"
class EnvInjection(configparser.Interpolation):
"""
Derived interpolation to take env variable before file variable.
Permit to keep the ini file for local / traditionnal use
And use env variable to overload configuration in a Docker usage.
"""
def before_get(self, parser, section, option, value, defaults):
file_value = super().before_get(parser, section, option, value, defaults)
if section != parser.default_section:
return file_value
env_value = os.getenv(option.upper())
return env_value if env_value else file_value
def main():
global SMTP_PORT, SMTP_SERVER, SENDER_EMAIL, RECEIVER_EMAIL
script_dir = os.path.dirname(__file__)
conf_file = os.path.join(script_dir, "conf.ini")
template_file = os.path.join(script_dir, "template.html")
parser = ConfigParser()
parser = configparser.ConfigParser(
default_section="config", interpolation=EnvInjection()
)
parser.read(conf_file)
SMTP_PORT = parser.get("config", "smtp_port")
SMTP_SERVER = parser.get("config", "smtp_server")
SENDER_EMAIL = parser.get("config", "sender_email")
RECEIVER_EMAIL = parser.get("config", "receiver_email")
default_config = parser["config"]
projects = json.loads(parser.get("projects", "projects"))
new_releases = []
@@ -73,7 +80,7 @@ def main():
with open(template_file, "r", encoding="utf-8") as f_template:
template = f_template.read()
send_mail(template.replace("{{content}}", content))
send_mail(template.replace("{{content}}", content), default_config)
with open("conf.ini", "w", encoding="utf-8") as configfile:
parser.write(configfile)
@@ -100,11 +107,16 @@ def get_last_release(project):
}
def send_mail(content):
def send_mail(content, config):
smtp_port = config.get("smtp_port")
smtp_server = config.get("smtp_server")
sender_email = config.get("sender_email")
receiver_email = config.get("receiver_email")
message = MIMEMultipart("alternative")
message["Subject"] = "New Github releases"
message["From"] = SENDER_EMAIL
message["To"] = RECEIVER_EMAIL
message["From"] = sender_email
message["To"] = receiver_email
# part1 = MIMEText(text, "plain")
part2 = MIMEText(content, "html")
@@ -112,8 +124,8 @@ def send_mail(content):
# message.attach(part1)
message.attach(part2)
with smtplib.SMTP(SMTP_SERVER, SMTP_PORT) as server:
server.sendmail(SENDER_EMAIL, RECEIVER_EMAIL, message.as_string())
with smtplib.SMTP(smtp_server, smtp_port) as server:
server.sendmail(sender_email, receiver_email, message.as_string())
def convert_date(date: str, dest_format="%d %b %Y at %H:%M") -> str: