programapi/src/models/europython.py at ep2026 · EuroPython/programapi · GitHub

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from __future__ import annotations

import re

from datetime import date, datetime

from urllib.parse import quote

from pydantic import BaseModel, Field, computed_field, field_validator, model_validator

from src.config import Config

from src.misc import EventType, Room, SpeakerQuestion, SubmissionQuestion

from src.models.pretalx import PretalxAnswer

class EuroPythonSpeaker(BaseModel):

"""

Model for EuroPython speaker data, transformed from Pretalx data

"""

code: str

name: str

biography: str | None = None

avatar: str | None = None

slug: str

answers: list[PretalxAnswer] = Field(..., exclude=True)

submissions: list[str]

# Extracted

affiliation: str | None = None

homepage: str | None = None

twitter_url: str | None = None

mastodon_url: str | None = None

linkedin_url: str | None = None

bluesky_url: str | None = None

gitx_url: str | None = None

@computed_field

def website_url(self) -> str:

return (

f"https://ep{Config.event.split('-')[1]}.europython.eu/speaker/{self.slug}"

)

@model_validator(mode="before")

@classmethod

def extract_answers(cls, values) -> dict:

answers = [PretalxAnswer.model_validate(ans) for ans in values["answers"]]

for answer in answers:

if answer.question_text == SpeakerQuestion.affiliation:

values["affiliation"] = answer.answer_text

if answer.question_text == SpeakerQuestion.homepage:

values["homepage"] = answer.answer_text

if answer.question_text == SpeakerQuestion.twitter:

values["twitter_url"] = cls.extract_twitter_url(answer.answer_text)

if answer.question_text == SpeakerQuestion.mastodon:

values["mastodon_url"] = cls.extract_mastodon_url(answer.answer_text)

if answer.question_text == SpeakerQuestion.bluesky:

values["bluesky_url"] = cls.extract_bluesky_url(answer.answer_text)

if answer.question_text == SpeakerQuestion.linkedin:

values["linkedin_url"] = cls.extract_linkedin_url(answer.answer_text)

if answer.question_text == SpeakerQuestion.gitx:

values["gitx_url"] = cls.extract_gitx_url(answer.answer_text)

return values

@staticmethod

def extract_twitter_url(text: str) -> str | None:

"""

Extracts a Twitter profile URL from the given text.

Cleans the input and handles following formats:

- @username

- username

- twitter.com/username

- x.com/username

"""

cleaned = EuroPythonSpeaker._clean_social_input(text)

if cleaned is None:

print(f"Invalid Twitter URL: {text}")

return None

# https://twitter.com/username (username max 15 chars)

match = re.match(r"^(twitter\.com|x\.com)/([\w]{1,15})$", cleaned)

if match:

_, username = match.groups()

return f"https://x.com/{username}"

# only username

if re.match(r"^[\w]{1,15}$", cleaned):

return f"https://x.com/{cleaned}"

print(f"Invalid Twitter URL: {cleaned}")

return None

@staticmethod

def extract_mastodon_url(text: str) -> str | None:

"""

Extracts a Mastodon profile URL from the given text.

Supports formats like:

- @username@instance

- username@instance

- instance/@username

- instance/@username@instance (with redirect)

Returns: https://<instance>/@<username>

"""

cleaned = EuroPythonSpeaker._clean_social_input(text)

if not cleaned:

print(f"Invalid Mastodon URL: {text}")

return None

# instance/@username

match = re.match(r"^([\w\.-]+)/@([\w\.-]+)$", cleaned)

if match:

instance, username = match.groups()

return f"https://{instance}/@{username}"

parts = cleaned.split("@")

if len(parts) == 3: # instance@username@instance

_, username, instance = parts

elif len(parts) == 2: # username@instance

username, instance = parts

else:

print(f"Invalid Mastodon URL: {cleaned}")

return None

if username and instance:

return f"https://{instance}/@{username}"

print(f"Invalid Mastodon URL: {cleaned}")

return None

@staticmethod

def extract_linkedin_url(text: str) -> str | None:

"""

Extracts a LinkedIn personal profile URL from the given text.

Cleans the input and handles formats like:

- username

- linkedin.com/in/username

- @username

- tr.linkedin.com/in/username (country subdomains)

"""

cleaned = EuroPythonSpeaker._clean_social_input(text)

if cleaned is None:

print(f"Invalid LinkedIn URL: {text}")

return None

if cleaned.startswith("in/"):

linkedin_url = f"https://linkedin.com/{cleaned}"

elif not cleaned.startswith(("linkedin.", "in/")) and "." not in cleaned:

linkedin_url = f"https://linkedin.com/in/{cleaned}"

else:

linkedin_url = f"https://{cleaned}"

if not re.match(

r"^https://([\w-]+\.)?linkedin\.com/in/(?:[\w\-]|%[0-9A-Fa-f]{2})+(?:/[\w\-]+)*$",

linkedin_url,

print(f"Invalid LinkedIn URL: {linkedin_url}")

return None

return linkedin_url

@staticmethod

def extract_bluesky_url(text: str) -> str | None:

"""

Extracts a Bluesky profile URL from the given text.

Cleans the input and handles formats like:

- username

- bsky.app/profile/username

- bsky/username

- username.dev

- @username

- username.bsky.social

"""

cleaned = EuroPythonSpeaker._clean_social_input(text)

if cleaned is None:

print(f"Invalid Bluesky URL: {text}")

return None

for marker in ("bsky.app/profile/", "bsky/"):

if marker in cleaned:

cleaned = cleaned.split(marker, 1)[1]

break

else:

cleaned = cleaned.rsplit("/", 1)[-1]

if "." not in cleaned:

cleaned += ".bsky.social"

bluesky_url = f"https://bsky.app/profile/{cleaned}"

if not re.match(r"^https://bsky\.app/profile/[\w\.-]+\.[\w\.-]+$", bluesky_url):

print(f"Invalid Bluesky URL: {bluesky_url}")

return None

return bluesky_url

@staticmethod

def extract_gitx_url(text: str) -> str | None:

"""

Extracts a GitHub/GitLab URL from the given text.

Cleans the input and handles formats like:

- username

- github.com/username

- gitlab.com/username

- @username

"""

cleaned = EuroPythonSpeaker._clean_social_input(text)

if cleaned is None:

print(f"Invalid GitHub/GitLab URL: {text}")

return None

if cleaned.startswith(("github.com/", "gitlab.com/")):

return f"https://{cleaned}"

if re.match(r"^[\w-]+$", cleaned): # assume github.com

return f"https://github.com/{cleaned}"

print(f"Invalid GitHub/GitLab URL: {cleaned}")

return None

@staticmethod

def _is_blank_or_na(text: str) -> bool:

"""

Check if the text is blank or (equals "N/A" or "-")

"""

return not text or text.strip().lower() in {"n/a", "-"}

@staticmethod

def _clean_social_input(text: str) -> str | None:

"""

Cleans the input string for social media URLs.

Returns None if the input is blank or "N/A",

removes prefixes like "LinkedIn: " or "GH: ",

removes parameters like "?something=true",

removes trailing slashes,

removes "http://" or "https://",

removes "www." prefix,

removes "@" prefix,

removes invisible Unicode control characters,

and decodes URL-encoded characters.

"""

if EuroPythonSpeaker._is_blank_or_na(text):

print(f"Blank or N/A input: {text}")

return None

# Strip leading/trailing whitespace

text = text.strip()

# Remove any text prefix like "LinkedIn: " or "GH: "

text = text.split(" ", 1)[1] if ": " in text else text

# Remove query strings and trailing commas or slashes

text = text.split("?", 1)[0]

text = text.split(",", 1)[0]

text = text.rstrip("/")

# Remove URL schemes

if text.startswith("https://"):

text = text[8:]

elif text.startswith("http://"):

text = text[7:]

# Remove "www." prefix

if text.startswith("www."):

text = text[4:]

# Remove leading @

if text.startswith("@"):

text = text[1:]

# Remove invisible Unicode control characters (Bidi, LTR/RTL marks, etc.)

invisible_chars = [

"\u200e",

"\u200f", # LTR / RTL marks

"\u202a",

"\u202b",

"\u202c",

"\u202d",

"\u202e", # Directional overrides

"\u2066",

"\u2067",

"\u2068",

"\u2069", # Isolates

]

text = re.sub(f"[{''.join(invisible_chars)}]", "", text)

# Percent-encode if needed (e.g., non-ASCII chars)

if not text.isascii():

text = quote(text, safe="@/-_.+~#=:")

return text.lower() if text else None

class EuroPythonSession(BaseModel):

"""

Model for EuroPython session data, transformed from Pretalx data

"""

code: str

title: str

speakers: list[str]

session_type: str

slug: str

track: str | None = None

abstract: str = ""

tweet: str = ""

duration: str = ""

level: str = ""

delivery: str = ""

resources: list[dict[str, str | None]] | None = None

room: str | None = None

start: datetime | None = None

end: datetime | None = None

answers: list[PretalxAnswer] = Field(..., exclude=True)

sessions_in_parallel: list[str] | None = None

sessions_after: list[str] | None = None

sessions_before: list[str] | None = None

next_session: str | None = None

prev_session: str | None = None

slot_count: int = Field(..., exclude=True)

scheduled_slot_starts: list[datetime] = Field(default_factory=list, exclude=True)

youtube_url: str | None = None

@field_validator("room", mode="before")

@classmethod

def handle_poster_room(cls, value) -> str | None:

if value and "Poster Hall" in value:

return "Exhibit Hall"

return value

@computed_field

def website_url(self) -> str:

return (

f"https://ep{Config.event.split('-')[1]}.europython.eu/session/{self.slug}"

)

@model_validator(mode="before")

@classmethod

def extract_answers(cls, values) -> dict:

answers = [PretalxAnswer.model_validate(ans) for ans in values["answers"]]

for answer in answers:

# TODO if we need any other questions

if answer.question_text == SubmissionQuestion.tweet:

values["tweet"] = answer.answer_text

if answer.question_text == SubmissionQuestion.delivery:

if "Yes" in answer.answer_text:

values["delivery"] = "in-person"

else:

values["delivery"] = "remote"

if answer.question_text == SubmissionQuestion.level:

values["level"] = answer.answer_text.lower()

return values

class EuroPythonScheduleSpeaker(BaseModel):

"""

Model for EuroPython schedule speaker data

"""

code: str

name: str

avatar: str | None = None

slug: str

website_url: str

class EuroPythonScheduleSession(BaseModel):

"""

Model for EuroPython schedule session data

"""

event_type: EventType = EventType.SESSION

code: str

slug: str

title: str

session_type: str

speakers: list[EuroPythonScheduleSpeaker]

track: str | None

tweet: str

level: str

total_duration: int = Field(..., exclude=True)

rooms: list[Room]

start: datetime

slot_count: int = Field(..., exclude=True)

website_url: str

@computed_field

def duration(self) -> int:

return self.total_duration // self.slot_count

class EuroPythonScheduleBreak(BaseModel):

"""

Model for EuroPython schedule break data

"""

event_type: EventType = EventType.BREAK

title: str

duration: int

rooms: list[Room]

start: datetime

@field_validator("rooms", mode="before")

@classmethod

def normalize_poster_rooms(cls, value):

return [

"Exhibit Hall" if isinstance(v, str) and "Poster Hall" in v else v

for v in value

]

class DaySchedule(BaseModel):

rooms: list[Room]

events: list[EuroPythonScheduleSession | EuroPythonScheduleBreak]

class Schedule(BaseModel):

days: dict[date, DaySchedule]

@classmethod

def from_events(

cls, events: list[EuroPythonScheduleSession | EuroPythonScheduleBreak]

) -> Schedule:

day_dict = {}

for event in events:

event_date = event.start.date()

if event_date not in day_dict:

day_dict[event_date] = {"rooms": list(set(event.rooms)), "events": []}

else:

day_dict[event_date]["rooms"] = list(

set(day_dict[event_date]["rooms"] + event.rooms)

)

day_dict[event_date]["events"].append(event)

# Registration session should cover all rooms

for day in day_dict.values():

for event in day["events"]:

if "Registration & Welcome" in event.title:

event.rooms = list(set(day["rooms"]))

day_schedule_dict = {k: DaySchedule(**v) for k, v in day_dict.items()}

return cls(days=day_schedule_dict)

programapi/src/models/europython.py at ep2026 · EuroPython/programapi · GitHub

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