167 lines
4.3 KiB
Python
167 lines
4.3 KiB
Python
import os
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import re
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import socket
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import subprocess
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import tempfile
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import unicodedata
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import warnings
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from bs4 import BeautifulSoup
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from typing import Any, Dict, List
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import click
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from toot.exceptions import ConsoleError
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from urllib.parse import urlparse, urlencode, quote, unquote
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def str_bool(b):
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"""Convert boolean to string, in the way expected by the API."""
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return "true" if b else "false"
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def str_bool_nullable(b):
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"""Similar to str_bool, but leave None as None"""
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return None if b is None else str_bool(b)
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def parse_html(html: str) -> BeautifulSoup:
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# Ignore warnings made by BeautifulSoup, if passed something that looks like
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# a file (e.g. a dot which matches current dict), it will warn that the file
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# should be opened instead of passing a filename.
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with warnings.catch_warnings():
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warnings.simplefilter("ignore")
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return BeautifulSoup(html.replace("'", "'"), "html.parser")
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def get_text(html):
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"""Converts html to text, strips all tags."""
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text = parse_html(html).get_text()
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return unicodedata.normalize("NFKC", text)
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def html_to_paragraphs(html: str) -> List[List[str]]:
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"""Attempt to convert html to plain text while keeping line breaks.
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Returns a list of paragraphs, each being a list of lines.
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"""
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paragraphs = re.split("</?p[^>]*>", html)
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# Convert <br>s to line breaks and remove empty paragraphs
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paragraphs = [re.split("<br */?>", p) for p in paragraphs if p]
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# Convert each line in each paragraph to plain text:
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return [[get_text(line) for line in p] for p in paragraphs]
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def format_content(content):
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"""Given a Status contents in HTML, converts it into lines of plain text.
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Returns a generator yielding lines of content.
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"""
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paragraphs = html_to_paragraphs(content)
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first = True
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for paragraph in paragraphs:
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if not first:
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yield ""
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for line in paragraph:
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yield line
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first = False
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def domain_exists(name):
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try:
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socket.gethostbyname(name)
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return True
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except OSError:
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return False
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def assert_domain_exists(domain):
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if not domain_exists(domain):
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raise ConsoleError("Domain {} not found".format(domain))
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EOF_KEY = "Ctrl-Z" if os.name == 'nt' else "Ctrl-D"
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def multiline_input():
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"""Lets user input multiple lines of text, terminated by EOF."""
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lines = []
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while True:
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try:
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lines.append(input())
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except EOFError:
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break
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return "\n".join(lines).strip()
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EDITOR_DIVIDER = "------------------------ >8 ------------------------"
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EDITOR_INPUT_INSTRUCTIONS = f"""
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{EDITOR_DIVIDER}
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Do not modify or remove the line above.
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Enter your toot above it.
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Everything below it will be ignored.
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"""
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def editor_input(editor: str, initial_text: str) -> str:
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"""Lets user input text using an editor."""
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tmp_path = _tmp_status_path()
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initial_text = (initial_text or "") + EDITOR_INPUT_INSTRUCTIONS
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if not _use_existing_tmp_file(tmp_path):
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with open(tmp_path, "w") as f:
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f.write(initial_text)
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f.flush()
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subprocess.run([editor, tmp_path])
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with open(tmp_path) as f:
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return f.read().split(EDITOR_DIVIDER)[0].strip()
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def delete_tmp_status_file() -> None:
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try:
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os.unlink(_tmp_status_path())
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except FileNotFoundError:
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pass
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def _tmp_status_path() -> str:
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tmp_dir = tempfile.gettempdir()
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return f"{tmp_dir}/.status.toot"
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def _use_existing_tmp_file(tmp_path: str) -> bool:
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if os.path.exists(tmp_path):
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click.echo(f"Found draft status at: {tmp_path}")
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choice = click.Choice(["O", "D"], case_sensitive=False)
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char = click.prompt("Open or Delete?", type=choice, default="O")
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return char == "O"
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return False
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def drop_empty_values(data: Dict[Any, Any]) -> Dict[Any, Any]:
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"""Remove keys whose values are null"""
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return {k: v for k, v in data.items() if v is not None}
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def urlencode_url(url: str) -> str:
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parsed_url = urlparse(url)
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# unencode before encoding, to prevent double-urlencoding
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encoded_path = quote(unquote(parsed_url.path), safe="-._~()'!*:@,;+&=/")
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encoded_query = urlencode({k: quote(unquote(v), safe="-._~()'!*:@,;?/") for k, v in parsed_url.params})
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encoded_url = parsed_url._replace(path=encoded_path, params=encoded_query).geturl()
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return encoded_url
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