71 lines
1.8 KiB
Python
71 lines
1.8 KiB
Python
import mimetypes
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import os.path
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import random
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import re
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import string
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from django.conf import settings
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from django.core.files.storage import default_storage
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from django.template.defaultfilters import slugify
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# Non-image file icons, matched from top to bottom
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fileicons_path = '{}/file-icons/'.format(getattr(settings, 'CKEDITOR_FILEICONS_PATH', '/static/ckeditor'))
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CKEDITOR_FILEICONS = getattr(settings, 'CKEDITOR_FILEICONS', [
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('\.pdf$', fileicons_path + 'pdf.png'),
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('\.doc$|\.docx$|\.odt$', fileicons_path + 'doc.png'),
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('\.txt$', fileicons_path + 'txt.png'),
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('\.ppt$', fileicons_path + 'ppt.png'),
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('\.xls$', fileicons_path + 'xls.png'),
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('.*', fileicons_path + 'file.png'), # Default
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])
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class NotAnImageException(Exception):
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pass
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def slugify_filename(filename):
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""" Slugify filename """
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name, ext = os.path.splitext(filename)
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slugified = get_slugified_name(name)
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return slugified + ext
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def get_slugified_name(filename):
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slugified = slugify(filename)
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return slugified or get_random_string()
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def get_random_string():
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return ''.join(random.sample(string.ascii_lowercase*6, 6))
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def get_icon_filename(file_name):
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"""
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Return the path to a file icon that matches the file name.
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"""
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for regex, iconpath in CKEDITOR_FILEICONS:
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if re.search(regex, file_name, re.I):
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return iconpath
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def get_thumb_filename(file_name):
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"""
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Generate thumb filename by adding _thumb to end of
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filename before . (if present)
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"""
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return u'{0}_thumb{1}'.format(*os.path.splitext(file_name))
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def get_image_format(extension):
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mimetypes.init()
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return mimetypes.types_map[extension.lower()]
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def get_media_url(path):
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"""
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Determine system file's media URL.
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"""
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return default_storage.url(path)
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