A good bit of refactoring.
Also start adding framework for user "tiers". This refactoring is mostly type-hints and f-strings. Some functions were also re-organized.
This commit is contained in:
Sage Vaillancourt
parent
f1090abbc4
commit
b86db5c479
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@ -9,7 +9,7 @@ from flask_minify import Minify
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import undercover.routes
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def create_app(test_config=None):
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def create_app(test_config=None) -> Flask:
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app = Flask(__name__, instance_relative_config=True)
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Minify(app=app, html=True, js=True, cssless=True)
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secret_key = os.environ.get('UNDERCOVER_SECRET_KEY')
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@ -23,12 +23,15 @@ class Letter:
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class User:
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id: int
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email: str
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tier: int
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def in_free_tier(self) -> bool:
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return self.tier == 1
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@dataclass
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class UserWithHash:
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id: int
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email: str
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user: User
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password_hash: str
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@ -40,7 +43,7 @@ db_user = os.environ.get('UNDERCOVER_POSTGRES_USER')
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db_available = host and db_name and port and db_user and os.environ.get('UNDERCOVER_POSTGRES_PASSWORD')
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if db_available:
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def connect():
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def connect() -> psycopg.Connection:
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return psycopg.connect(
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host=host,
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dbname=db_name,
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@ -51,27 +54,26 @@ else:
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sys.stderr.write('Database login not configured: DB access is disabled.\n')
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sys.stderr.write(' To enable, ensure UNDERCOVER_POSTGRES_{HOST,DBNAME,PORT,USER,PASSWORD} are set.\n')
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def connect():
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def connect() -> object:
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return MockConnection()
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def login(user_email: str, password: str):
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def login(user_email: str, password: str) -> bool:
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pw_bytes: bytes = password.encode('utf-8')
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user = __get_user(user_email)
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user = __get_user_with_hash(user_email)
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if user:
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return bcrypt.checkpw(pw_bytes, user.password_hash.encode('utf-8'))
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return False
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def __gen_pw_hash(password: str):
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def __gen_pw_hash(password: str) -> str:
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pw_bytes = password.encode('utf-8')
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salt = bcrypt.gensalt()
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pw_hash = bcrypt.hashpw(pw_bytes, salt)
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return pw_hash.decode('utf-8')
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def add_user(username: str, password: str):
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def add_user(username: str, password: str) -> None:
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pw_hash = __gen_pw_hash(password)
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with connect() as con:
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cur = con.cursor()
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@ -79,14 +81,14 @@ def add_user(username: str, password: str):
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con.commit()
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def delete_user(username: str):
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def delete_user(username: str) -> None:
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with connect() as con:
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cur = con.cursor()
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cur.execute("DELETE FROM users WHERE email = %s", (username,))
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con.commit()
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def add_letter(user_id: int, letter_title: str, letter_content: str):
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def add_letter(user_id: int, letter_title: str, letter_content: str) -> None:
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with connect() as con:
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cur = con.cursor()
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cur.execute("INSERT INTO letter_data(user_id, letter_name, letter_data) VALUES (%s, %s, %s)",
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@ -94,7 +96,7 @@ def add_letter(user_id: int, letter_title: str, letter_content: str):
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con.commit()
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def edit_letter(letter_id: int, letter_title: str, letter_content: str):
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def edit_letter(letter_id: int, letter_title: str, letter_content: str) -> None:
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with connect() as con:
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cur = con.cursor()
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cur.execute("UPDATE letter_data SET letter_name = %s, letter_data = %s WHERE id = %s",
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@ -102,7 +104,7 @@ def edit_letter(letter_id: int, letter_title: str, letter_content: str):
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con.commit()
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def get_user_letters(user_id: int) -> [Letter]:
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def get_user_letters(user_id: int) -> list[Letter]:
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with connect() as con:
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cur = con.cursor()
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cur.execute("SELECT id, letter_name, letter_data FROM letter_data WHERE user_id = %s", (str(user_id),))
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@ -110,24 +112,24 @@ def get_user_letters(user_id: int) -> [Letter]:
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def get_user(email: str) -> Optional[User]:
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user = __get_user(email)
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if user:
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return User(user.id, user.email)
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user_with_hash = __get_user_with_hash(email)
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if user_with_hash:
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return user_with_hash.user
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return None
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def __get_user(email: str) -> Optional[UserWithHash]:
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def __get_user_with_hash(email: str) -> Optional[UserWithHash]:
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"""
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:param email:
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:return: User without their password_hash
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"""
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with connect() as con:
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cur = con.cursor()
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cur.execute("SELECT id, password FROM users WHERE users.email ILIKE %s", (email,))
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cur.execute("SELECT id, password, tier FROM users WHERE users.email ILIKE %s", (email,))
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row = cur.fetchone()
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if row:
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user_id, password = row
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return UserWithHash(user_id, email, password)
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user_id, password, tier = row
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return UserWithHash(User(user_id, email, tier), password)
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return None
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@ -150,14 +152,14 @@ def initiate_password_reset(email: str) -> Optional[UUID]:
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return reset_id
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def delete_reset_row(reset_id: UUID):
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def delete_reset_row(reset_id: UUID) -> None:
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with connect() as con:
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cur = con.cursor()
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cur.execute("DELETE FROM resets WHERE id = %s", (reset_id,))
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con.commit()
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def complete_reset(reset_id: str, new_password: str):
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def complete_reset(reset_id: str, new_password: str) -> bool:
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with connect() as con:
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cur = con.cursor()
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cur.execute("SELECT reset_time, user_id FROM resets WHERE id = %s", (reset_id,))
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@ -1,4 +1,3 @@
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import json
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import os
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import sys
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@ -8,22 +8,22 @@ class MockConnection:
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mock_cursor.fetchone = lambda *a: None
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mock_cursor.fetchall = lambda *a: []
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def __enter__(self, *a):
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def __enter__(self, *a) -> object:
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return self
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def __exit__(self, *a):
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def __exit__(self, *a) -> None:
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pass
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def cursor(self):
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def cursor(self) -> object:
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return self.mock_cursor
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def commit(self, *a):
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def commit(self, *a) -> None:
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pass
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class MockCreator:
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@staticmethod
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def create(data=None, *a):
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def create(data=None, *a) -> object:
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print(json.JSONEncoder(indent=2).encode(data))
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result = types.SimpleNamespace()
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result.status_code = 200
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@ -7,28 +7,19 @@ from dataclasses import dataclass
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from flask import send_from_directory, Response
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def get_unique():
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import uuid
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unique = str(uuid.uuid1().hex)
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return unique
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def get_datetime():
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from datetime import datetime
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now = datetime.now()
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return now.strftime("%Y-%m-%d %H:%M:%S")
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root_dir = os.path.dirname(os.getcwd())
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proj_dir = root_dir + '/undercover/'
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output_dir = proj_dir + 'outputs/'
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base_tex_text = open(proj_dir + "/letter_templates/base.tex", "r").read()
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base_tex_text = open(proj_dir + '/letter_templates/base.tex', 'r').read()
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@dataclass
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class CLData:
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selectedLetter: int # Metadata
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# Metadata:
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selectedLetter: int
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# Form Data:
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username: str
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company: str
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jobAndPronoun: str
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@ -37,81 +28,91 @@ class CLData:
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closingText: str
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body: str
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def get_pairs(self):
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def get_pairs(self) -> list[(str, str)]:
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return [
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("username", self.username),
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("company", self.company),
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("jobAndPronoun", self.jobAndPronoun),
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("skillTypes", self.skillTypes),
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("mySkills", self.mySkills),
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("closingText", self.closingText),
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("body", self.body),
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('username', self.username),
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('company', self.company),
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('jobAndPronoun', self.jobAndPronoun),
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('skillTypes', self.skillTypes),
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('mySkills', self.mySkills),
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('closingText', self.closingText),
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('body', self.body),
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]
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def generate_pdf(self) -> Response:
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"""
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:return: Response when successful
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:return: Response with the pdf attached as a download when successful
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:raise ValueError: e.args[0] is a list of error strings, if generation fails
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"""
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import threading
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unique_id = get_unique()
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unique_file = output_dir + unique_id + ".tex"
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f = open(unique_file, "w")
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unique_file = output_dir + unique_id + '.tex'
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f = open(unique_file, 'w')
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for pair in self.get_pairs():
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f.write("\\def \\" + pair[0] + "{" + pair[1] + "}\n")
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f.write('\\def \\' + pair[0] + '{' + pair[1] + '}\n')
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f.write(base_tex_text)
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f.close()
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output_arg = "-jobname=outputs/" + unique_id + " " + unique_file
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com = "pdflatex -halt-on-error " + output_arg
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build_text = "[" + get_datetime() + "] Building for " + unique_id + " "
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com = f'pdflatex -halt-on-error -jobname=outputs/{unique_id} {unique_file}'
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result = subprocess.run(
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['bash', '-c', com],
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stdout=subprocess.PIPE,
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text=True
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)
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if result.returncode == 0:
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print(build_text + "[SUCCESS]")
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result = subprocess.run(
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[
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'gs',
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'-sDEVICE=pdfwrite',
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'-dCompatibilityLevel=1.5',
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'-dNOPAUSE',
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'-dQUIET',
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'-dBATCH',
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'-dPrinted=false',
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'-sOutputFile=outputs/' + unique_id + '.compressed.pdf',
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'outputs/' + unique_id + '.pdf'
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],
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stdout=subprocess.PIPE,
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text=True
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)
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threading.Timer(60 * 5, cleanup, [output_dir + unique_id]).start()
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output_file = unique_id
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if result.returncode == 0:
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output_file += ".compressed.pdf"
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else:
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output_file += ".pdf"
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return send_from_directory(
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output_dir,
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output_file,
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download_name=self.username.replace(" ", "") + "_CoverLetter.pdf",
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as_attachment=True
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)
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else:
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print(build_text + "[FAIL]")
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build_text = f'[{get_datetime()}] Building for {unique_id} '
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if result.returncode != 0:
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print(build_text + '[FAIL]')
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# Collect output but delete boilerplate text
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errors = list(map(str.strip, result.stdout.split("\n")))
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errors = list(map(str.strip, result.stdout.split('\n')))
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del errors[:13]
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del errors[-2:]
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raise ValueError(errors)
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print(build_text + '[SUCCESS]')
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result = subprocess.run(
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[
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'gs',
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'-sDEVICE=pdfwrite',
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'-dCompatibilityLevel=1.5',
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'-dNOPAUSE',
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'-dQUIET',
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'-dBATCH',
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'-dPrinted=false',
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'-sOutputFile=outputs/' + unique_id + '.compressed.pdf',
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'outputs/' + unique_id + '.pdf'
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],
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stdout=subprocess.PIPE,
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text=True
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)
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threading.Timer(60 * 5, cleanup, [output_dir + unique_id]).start()
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extension = 'compressed.pdf' if result.returncode == 0 else 'pdf'
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output_file = f'{unique_id}.{extension}'
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return send_from_directory(
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output_dir,
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output_file,
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download_name=self.username.replace(' ', '') + '_CoverLetter.pdf',
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as_attachment=True
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)
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def cleanup(unique) -> None:
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subprocess.run(['bash', '-c', 'rm ' + unique + '.*'])
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def get_unique() -> str:
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import uuid
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unique = str(uuid.uuid1().hex)
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return unique
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def get_datetime() -> str:
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from datetime import datetime
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now = datetime.now()
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return now.strftime('%Y-%m-%d %H:%M:%S')
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def cleanup(unique):
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subprocess.run(['bash', '-c', "rm " + unique + ".*"])
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@ -6,7 +6,7 @@ import subprocess
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import threading
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import urllib.parse
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from flask import (Blueprint, render_template, request, make_response, session, redirect, jsonify)
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from flask import (Blueprint, render_template, request, make_response, session, redirect, jsonify, Response)
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from wtforms import Form, SelectField, StringField, TextAreaField, validators
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from email_validator import validate_email, EmailNotValidError
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@ -70,8 +70,27 @@ class CLForm(Form):
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)
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)
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def to_cl_data(self) -> CLData:
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selected_letter = self.letterName.data or '1'
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def render_index(form=CLForm(), error=None, status=200, letter_errors=None):
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return CLData(
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selectedLetter=int(selected_letter) - 1,
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username=self.username.data,
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company=self.company.data,
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jobAndPronoun=self.jobAndPronoun.data,
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skillTypes=self.skillTypes.data,
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mySkills=self.mySkills.data,
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closingText=self.closingText.data,
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body=self.body.data,
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)
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def render_index(
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form: CLForm = CLForm(),
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error: str = None,
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status: int = 200,
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letter_errors: list[str] = None
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) -> Response:
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return make_response(
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render_template(
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'writing.jinja2',
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@ -83,7 +102,7 @@ def render_index(form=CLForm(), error=None, status=200, letter_errors=None):
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@writing_blueprint.route('/login', methods=['POST', 'GET'])
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def login():
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def login() -> Response | str:
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if request.method == 'POST':
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username = request.form['login']
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if db.login(username, request.form['password']):
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@ -101,13 +120,13 @@ def login():
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@writing_blueprint.route('/logout', methods=['POST', 'GET'])
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def logout():
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def logout() -> Response:
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session.pop('username', None)
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return redirect('/')
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@writing_blueprint.route('/', methods=['GET'])
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def index_get():
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def index_get() -> Response:
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email_address = session.get('username')
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if not email_address:
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return render_index()
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@ -149,12 +168,12 @@ def index_get():
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@writing_blueprint.route('/create_account', methods=['GET'])
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def create_account_page():
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def create_account_page() -> str:
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return render_template('create_account.jinja2')
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@writing_blueprint.route('/create_account', methods=['POST'])
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def create_account():
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def create_account() -> Response:
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email_address = request.form['login']
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try:
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validate_email(email_address, check_deliverability=True)
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@ -170,7 +189,7 @@ def create_account():
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@writing_blueprint.route('/reset', methods=['POST', 'GET'])
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def reset_password():
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def reset_password() -> Response | str:
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if request.method == 'POST':
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email_address = request.form.get('login')
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existing_reset_id = request.form.get('reset_id')
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@ -200,14 +219,14 @@ def reset_password():
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@writing_blueprint.route('/dbtest', methods=['GET'])
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def db_test_get():
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def db_test_get() -> Response:
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response = make_response(db.get_user_letters(1)[0].contents, 200)
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response.mimetype = "text/plain"
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return response
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@writing_blueprint.route('/update', methods=['POST'])
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def update_get():
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def update_get() -> Response:
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expected_token = os.environ['GITLAB_HOOK_TOKEN']
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given_token = request.headers['X-Gitlab-Token']
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event_type = request.headers['X-Gitlab-Event']
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@ -222,7 +241,7 @@ def update_get():
|
|||
return make_response("", 404)
|
||||
|
||||
|
||||
def git_update():
|
||||
def git_update() -> None:
|
||||
script = os.environ['UPDATE_SCRIPT_PATH']
|
||||
if not script:
|
||||
return
|
||||
|
|
@ -230,21 +249,10 @@ def git_update():
|
|||
|
||||
|
||||
@writing_blueprint.route('/', methods=['POST'])
|
||||
def generate_pdf():
|
||||
def generate_pdf() -> Response:
|
||||
form = CLForm(request.form)
|
||||
if form.validate():
|
||||
selected_letter = form.letterName.data or '1'
|
||||
|
||||
data = CLData(
|
||||
selectedLetter=int(selected_letter) - 1,
|
||||
username=form.username.data,
|
||||
company=form.company.data,
|
||||
jobAndPronoun=form.jobAndPronoun.data,
|
||||
skillTypes=form.skillTypes.data,
|
||||
mySkills=form.mySkills.data,
|
||||
closingText=form.closingText.data,
|
||||
body=form.body.data,
|
||||
)
|
||||
data = form.to_cl_data()
|
||||
|
||||
email_address = session.get('username')
|
||||
if email_address:
|
||||
|
|
@ -270,4 +278,3 @@ def generate_pdf():
|
|||
return resp
|
||||
|
||||
return render_index(form=form)
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue