204 lines
7.7 KiB
Python
204 lines
7.7 KiB
Python
import os
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import re
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import sys
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import shutil
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import hashlib
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import platform
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import subprocess
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import urllib.error
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import urllib.request
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if platform.system() == 'Linux':
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try:
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import gi # TODO doesn't work on early Python 3 versions
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gio, Gtk
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except ImportError:
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pass
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class URL:
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def __init__(self, url, folder_dir_path):
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"""
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:param url: http(s)://...
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:param folder_dir_path: full absolute path to the note folder, to know where media folder is
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"""
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self.url = url.strip()
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self.folder_dir_path = folder_dir_path
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@property
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def icon(self):
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"""
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Get URL favicon from google's service
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:return: full absolute path to favicon image this function saved to media/favicons or nothing
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"""
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try:
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favicon = urllib.request.urlopen('http://www.google.com/s2/favicons?domain=' + self.url, timeout=5)
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except (urllib.error.HTTPError, urllib.error.URLError):
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return
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favicon_content = favicon.read()
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favicon_hash = hashlib.md5(favicon_content).hexdigest()
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if favicon_hash == '3ca64f83fdcf25135d87e08af65e68c9': # google's dummy icon
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return
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else:
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favicon_dir_path = self.folder_dir_path + os.sep + 'media' + os.sep + 'favicons'
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os.makedirs(favicon_dir_path, exist_ok=True)
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favicon_path = favicon_dir_path + os.sep + favicon_hash + '.png'
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if not os.path.isfile(favicon_path):
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with open(favicon_path, 'wb') as favicon_file:
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favicon_file.write(favicon_content)
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return favicon_path
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@property
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def title(self):
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"""
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Try to parse title from the web page located at URL
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:return: web page title for URL or nothing
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"""
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try:
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html_text = urllib.request.urlopen(self.url).read().decode('utf-8') # TODO encodings other that utf-8, https fails on early Python 3 versions
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except (urllib.error.HTTPError, urllib.error.URLError, UnicodeDecodeError):
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title = ''
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else:
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title = re.search('<title.*?>(.+?)</title>', html_text, re.IGNORECASE | re.DOTALL).group(1)
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if title:
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return title
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else:
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return self.url.split('//')[-1].split('/')[0]
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@property
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def md(self):
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"""
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Get the most informative markdown syntax link for URL, with favicon and title if available
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:return: Markdown syntax link for URL
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"""
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if self.icon:
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md_favicon = ' '.format(os.path.basename(self.icon))
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else:
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md_favicon = ''
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if self.title:
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md_link = '[{}]({})'.format(self.title, self.url)
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else:
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md_link = '<{}>'.format(self.url)
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return md_favicon + md_link
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class File:
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def __init__(self, link_path, folder_dir_path, title=''):
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"""
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:param link_path: full absolute path to the file
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:param folder_dir_path: full absolute path to the note folder, to know where media folder is
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:param title: optionally specify the file's title, otherwise file name will be used as such
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"""
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self.path = link_path.strip()
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self.folder_dir_path = folder_dir_path
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self.filename = os.path.basename(self.path)
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self.ext = os.path.splitext(self.filename)[1]
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if self.ext == '.pdf':
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self.type = 'pdf'
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elif self.ext in ('.jpg', '.jpeg', '.png', '.gif'):
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self.type = 'image'
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else:
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self.type = 'other'
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if title:
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self.title = title
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else:
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self.title = os.path.splitext(self.filename)[0]
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@property
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def icon(self, icon_size=16, save=True):
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"""
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Get file type icon for File
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:param icon_size: requested icon size
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:param save: True to copy icon to media flder, otherwise will return path where OS stores the icon
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:return: full absolute path to File icon or nothing
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"""
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if platform.system() == 'Linux':
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try:
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file = Gio.File.new_for_path(self.path)
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file_info = file.query_info('standard::icon', 0, Gio.Cancellable())
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file_icon = file_info.get_icon().get_names()[0]
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icon_theme = Gtk.IconTheme.get_default()
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icon_info = icon_theme.lookup_icon(file_icon, icon_size, 0)
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icon_path = icon_info.get_filename()
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except (NameError, AttributeError):
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return ''
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if os.path.isfile(icon_path):
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if save:
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icon_store_path = os.path.join(self.folder_dir_path, 'media', 'fileicons')
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if not os.path.isfile(icon_store_path + os.sep + os.path.basename(icon_path)):
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try:
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os.makedirs(icon_store_path, exist_ok=True)
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icon_path = shutil.copy(icon_path, icon_store_path)
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icon_path = 'media/fileicons/' + os.path.basename(icon_path)
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except OSError:
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pass
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return icon_path
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@property
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def thumb(self):
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"""
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Make a thumbnail for appropriate File
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:return: full absolute path to File's thumbnail or nothing
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"""
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if self.type == 'pdf':
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if platform.system() == 'Linux':
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dpi = 30
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thumb_path = os.path.join(self.folder_dir_path, 'media', 'thumbnails', 'th_' + self.filename + '.png')
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os.makedirs(os.path.dirname(thumb_path), exist_ok=True)
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subprocess.call(['gs', '-q', '-dNOPAUSE', '-dBATCH', '-sDEVICE=png16m', '-r' + str(dpi),
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'-sOutputFile=' + thumb_path, '-dLastPage=1', self.path],
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timeout=10)
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if os.path.isfile(thumb_path):
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return thumb_path
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if self.type == 'image':
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if platform.system() == 'Linux':
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target_width = 600
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img_width = int(subprocess.check_output(['identify', '-ping', '-format', '%w', self.path],
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timeout=5).decode(sys.stdout.encoding))
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if img_width > target_width:
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thumb_path = os.path.join(self.folder_dir_path, 'media', 'thumbnails', 'th_' + self.filename)
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os.makedirs(os.path.dirname(thumb_path), exist_ok=True)
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subprocess.call(['convert', self.path, '-thumbnail', str(target_width),
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'-auto-orient', '-unsharp', '0x.5', thumb_path],
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timeout=10)
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if os.path.isfile(thumb_path):
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return thumb_path
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@property
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def md(self):
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"""
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Get the most informative markdown syntax link for File, as a thumbnail or with file icon if available
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:return: Markdown syntax link for File
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"""
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link_path = os.path.relpath(self.path, self.folder_dir_path).replace(os.sep, '/')
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thumb = self.thumb
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if thumb:
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return '[](file://{})'.format(self.title, 'media/thumbnails/' + os.path.basename(thumb), link_path)
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elif self.type == 'image':
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return ''.format(self.title, link_path)
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else:
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icon = self.icon
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if icon:
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return ''.format('media/fileicons/' + os.path.basename(self.icon)) + ' ' + \
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'[{}](file://{})'.format(self.title, link_path)
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else:
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return '[{}](file://{})'.format(self.title, link_path)
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