119 lines
2.8 KiB
Python
119 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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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 toot.exceptions import ConsoleError
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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 get_text(html):
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"""Converts html to text, strips all tags."""
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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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text = BeautifulSoup(html.replace(''', "'"), "html.parser").get_text()
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return unicodedata.normalize('NFKC', text)
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def parse_html(html):
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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(l) for l 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 = parse_html(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, initial_text):
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"""Lets user input text using an editor."""
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initial_text = (initial_text or "") + EDITOR_INPUT_INSTRUCTIONS
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with tempfile.NamedTemporaryFile(suffix='.toot') as f:
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f.write(initial_text.encode())
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f.flush()
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subprocess.run([editor, f.name])
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f.seek(0)
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text = f.read().decode()
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return text.split(EDITOR_DIVIDER)[0].strip()
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