Files
MarkdownLivePreview/functions.py
2017-01-26 18:32:08 +11:00

96 lines
3.0 KiB
Python

# -*- encoding: utf-8 -*-
import base64
import os.path
import sublime
import re
from .image_manager import ImageManager
from bs4 import BeautifulSoup, Comment as html_comment
def plugin_loaded():
global error404, loading
loading = sublime.load_resource('Packages/MarkdownLivePreview/loading.txt')
error404 = sublime.load_resource('Packages/MarkdownLivePreview/404.txt')
def strip_html_comments(html):
soup = BeautifulSoup(html, 'html.parser')
for element in soup.find_all(text=lambda text: isinstance(text, html_comment)):
element.extract()
return str(soup)
def replace_img_src_base64(html, basepath):
"""Really messy, but it works (should be updated)"""
soup = BeautifulSoup(html)
load_from_internet_starters = get_settings().get('load_from_internet_when_starts')
for img in soup.find_all('img'):
if img['src'].startswith('data:image/'):
continue
elif img['src'].startswith(tuple(load_from_internet_starters)):
image = ImageManager.get(img['src']) or loading
else: # this is a local image
image = to_base64(os.path.join(basepath, src))
img['src'] = image
return str(soup)
def is_markdown_view(view):
return 'markdown' in view.scope_name(0)
def to_base64(path=None, content=None):
if path is None and content is None:
return error404
elif content is None and path is not None:
try:
with open(path, 'rb') as fp:
content = fp.read()
except (FileNotFoundError, OSError):
return error404
return 'data:image/png;base64,' + ''.join([chr(el) for el in list(base64.standard_b64encode(content))])
def md(*t, **kwargs):
sublime.message_dialog(kwargs.get('sep', '\n').join([str(el) for el in t]))
def sm(*t, **kwargs):
sublime.status_message(kwargs.get('sep', ' ').join([str(el) for el in t]))
def em(*t, **kwargs):
sublime.error_message(kwargs.get('sep', ' ').join([str(el) for el in t]))
def mini(val, min):
if val < min:
return min
return val
def get_content_till(string, char_to_look_for, start=0):
i = start
while i < len(string):
if string[i] == char_to_look_for:
return string[start:i], i
i += 1
def get_view_content(view):
return view.substr(sublime.Region(0, view.size()))
def get_view_from_id(window, id):
if not isinstance(id, int):
return
for view in window.views():
if view.id() == id:
return view
def get_settings():
return sublime.load_settings('MarkdownLivePreview.sublime-settings')
def pre_with_br(html):
"""Because the phantoms of sublime text does not support <pre> blocks
this function replaces every \n with a <br> in a <pre>"""
soup = BeautifulSoup(html)
for pre in soup.find_all('pre'):
code = pre.find('code')
code.replaceWith(BeautifulSoup(''.join(str(node) for node in pre.contents) \
.replace('\n', '<br/>').replace(' ', '<i class="space">.</i>'), 'html.parser'))
return str(soup)