feat(SublimeText2.EditorPackages): cache packages
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Iristyle
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# -*- encoding: UTF-8 -*-
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import sublime
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import sublime_plugin
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import desktop
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import tempfile
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import markdown2
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import os
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import sys
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import re
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import json
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import urllib2
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settings = sublime.load_settings('MarkdownPreview.sublime-settings')
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def getTempMarkdownPreviewPath(view):
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''' return a permanent full path of the temp markdown preview file '''
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tmp_filename = '%s.html' % view.id()
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tmp_fullpath = os.path.join(tempfile.gettempdir(), tmp_filename)
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return tmp_fullpath
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class MarkdownPreviewListener(sublime_plugin.EventListener):
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''' auto update the output html if markdown file has already been converted once '''
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def on_post_save(self, view):
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if view.file_name().endswith(tuple(settings.get('markdown_filetypes', (".md", ".markdown", ".mdown")))):
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temp_file = getTempMarkdownPreviewPath(view)
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if os.path.isfile(temp_file):
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# reexec markdown conversion
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view.run_command('markdown_preview', {'target': 'disk'})
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sublime.status_message('Markdown preview file updated')
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class MarkdownCheatsheetCommand(sublime_plugin.TextCommand):
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''' open our markdown cheat sheet in ST2 '''
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def run(self, edit):
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cheatsheet = os.path.join(sublime.packages_path(), 'Markdown Preview', 'sample.md')
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self.view.window().open_file(cheatsheet)
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sublime.status_message('Markdown cheat sheet opened')
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class MarkdownPreviewCommand(sublime_plugin.TextCommand):
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''' preview file contents with python-markdown and your web browser '''
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def getCSS(self):
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''' return the correct CSS file based on parser and settings '''
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config_parser = settings.get('parser')
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config_css = settings.get('css')
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styles = ''
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if config_css and config_css != 'default':
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styles += u"<link href='%s' rel='stylesheet' type='text/css'>" % config_css
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else:
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css_filename = 'markdown.css'
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if config_parser and config_parser == 'github':
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css_filename = 'github.css'
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# path via package manager
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css_path = os.path.join(sublime.packages_path(), 'Markdown Preview', css_filename)
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if not os.path.isfile(css_path):
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# path via git repo
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css_path = os.path.join(sublime.packages_path(), 'sublimetext-markdown-preview', css_filename)
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if not os.path.isfile(css_path):
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sublime.error_message('markdown.css file not found!')
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raise Exception("markdown.css file not found!")
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styles += u"<style>%s</style>" % open(css_path, 'r').read().decode('utf-8')
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if settings.get('allow_css_overrides'):
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filename = self.view.file_name()
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filetypes = settings.get('markdown_filetypes')
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if filename and filetypes:
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for filetype in filetypes:
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if filename.endswith(filetype):
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css_filename = filename.rpartition(filetype)[0] + '.css'
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if (os.path.isfile(css_filename)):
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styles += u"<style>%s</style>" % open(css_filename, 'r').read().decode('utf-8')
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return styles
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def get_contents(self, region):
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''' Get contents or selection from view and optionally strip the YAML front matter '''
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contents = self.view.substr(region)
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# use selection if any
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selection = self.view.substr(self.view.sel()[0])
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if selection.strip() != '':
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contents = selection
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if settings.get('strip_yaml_front_matter') and contents.startswith('---'):
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title = ''
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title_match = re.search('(?:title:)(.+)', contents, flags=re.IGNORECASE)
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if title_match:
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stripped_title = title_match.group(1).strip()
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title = '%s\n%s\n\n' % (stripped_title, '=' * len(stripped_title))
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contents_without_front_matter = re.sub(r'(?s)^---.*---\n', '', contents)
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contents = '%s%s' % (title, contents_without_front_matter)
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return contents
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def postprocessor(self, html):
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''' fix relative paths in images, scripts, and links for the internal parser '''
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def tag_fix(match):
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tag, src = match.groups()
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filename = self.view.file_name()
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if filename:
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if not src.startswith(('file://', 'https://', 'http://', '/', '#')):
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abs_path = u'file://%s/%s' % (os.path.dirname(filename), src)
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tag = tag.replace(src, abs_path)
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return tag
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RE_SOURCES = re.compile("""(?P<tag><(?:img|script|a)[^>]+(?:src|href)=["'](?P<src>[^"']+)[^>]*>)""")
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html = RE_SOURCES.sub(tag_fix, html)
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return html
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def convert_markdown(self, markdown):
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''' convert input markdown to HTML, with github or builtin parser '''
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config_parser = settings.get('parser')
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github_oauth_token = settings.get('github_oauth_token')
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markdown_html = u'cannot convert markdown'
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if config_parser and config_parser == 'github':
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# use the github API
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sublime.status_message('converting markdown with github API...')
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try:
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github_mode = settings.get('github_mode', 'gfm')
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data = {"text": markdown, "mode": github_mode}
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json_data = json.dumps(data)
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url = "https://api.github.com/markdown"
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sublime.status_message(url)
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request = urllib2.Request(url, json_data, {'Content-Type': 'application/json'})
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if github_oauth_token:
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request.add_header('Authorization', "token %s" % github_oauth_token)
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markdown_html = urllib2.urlopen(request).read().decode('utf-8')
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except urllib2.HTTPError, e:
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if e.code == 401:
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sublime.error_message('github API auth failed. Please check your OAuth token.')
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else:
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sublime.error_message('github API responded in an unfashion way :/')
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except urllib2.URLError:
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sublime.error_message('cannot use github API to convert markdown. SSL is not included in your Python installation')
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except:
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sublime.error_message('cannot use github API to convert markdown. Please check your settings.')
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else:
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sublime.status_message('converted markdown with github API successfully')
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else:
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# convert the markdown
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markdown_html = markdown2.markdown(markdown, extras=['footnotes', 'toc', 'fenced-code-blocks', 'cuddled-lists'])
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toc_html = markdown_html.toc_html
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if toc_html:
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toc_markers = ['[toc]', '[TOC]', '<!--TOC-->']
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for marker in toc_markers:
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markdown_html = markdown_html.replace(marker, toc_html)
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# postprocess the html from internal parser
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markdown_html = self.postprocessor(markdown_html)
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return markdown_html
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def run(self, edit, target='browser'):
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region = sublime.Region(0, self.view.size())
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encoding = self.view.encoding()
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if encoding == 'Undefined':
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encoding = 'utf-8'
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elif encoding == 'Western (Windows 1252)':
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encoding = 'windows-1252'
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elif encoding == 'UTF-8 with BOM':
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encoding = 'utf-8'
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contents = self.get_contents(region)
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markdown_html = self.convert_markdown(contents)
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full_html = u'<!DOCTYPE html>'
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full_html += '<html><head><meta charset="%s">' % encoding
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full_html += self.getCSS()
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full_html += '</head><body>'
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full_html += markdown_html
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full_html += '</body>'
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full_html += '</html>'
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if target in ['disk', 'browser']:
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# check if LiveReload ST2 extension installed and add its script to the resulting HTML
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livereload_installed = ('LiveReload' in os.listdir(sublime.packages_path()))
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if livereload_installed:
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full_html += '<script>document.write(\'<script src="http://\' + (location.host || \'localhost\').split(\':\')[0] + \':35729/livereload.js?snipver=1"></\' + \'script>\')</script>'
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# update output html file
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tmp_fullpath = getTempMarkdownPreviewPath(self.view)
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tmp_html = open(tmp_fullpath, 'w')
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tmp_html.write(full_html.encode(encoding))
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tmp_html.close()
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# now opens in browser if needed
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if target == 'browser':
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config_browser = settings.get('browser')
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if config_browser and config_browser != 'default':
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cmd = '"%s" %s' % (config_browser, tmp_fullpath)
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if sys.platform == 'darwin':
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cmd = "open -a %s" % cmd
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elif sys.platform == 'linux2':
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cmd += ' &'
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result = os.system(cmd)
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if result != 0:
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sublime.error_message('cannot execute "%s" Please check your Markdown Preview settings' % config_browser)
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else:
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sublime.status_message('Markdown preview launched in %s' % config_browser)
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else:
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desktop.open(tmp_fullpath)
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sublime.status_message('Markdown preview launched in default html viewer')
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elif target == 'sublime':
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# create a new buffer and paste the output HTML
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new_view = self.view.window().new_file()
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new_view.set_scratch(True)
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new_edit = new_view.begin_edit()
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new_view.insert(new_edit, 0, markdown_html)
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new_view.end_edit(new_edit)
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sublime.status_message('Markdown preview launched in sublime')
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elif target == 'clipboard':
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# clipboard copy the full HTML
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sublime.set_clipboard(full_html)
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sublime.status_message('Markdown export copied to clipboard')
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