def encode_to_base64(editor, img_path, pos):
"""
Encodes image to base64
@requires: zen_file
@type editor: ZenEditor
@param img_path: Path to image
@type img_path: str
@param pos: Caret position where image is located in the editor
@type pos: int
@return: bool
"""
editor_file = editor.get_file_path()
default_mime_type = 'application/octet-stream'
if editor_file is None:
raise ZenError("You should save your file before using this action")
# locate real image path
real_img_path = zen_file.locate_file(editor_file, img_path)
if real_img_path is None:
raise ZenError("Can't find %s file" % img_path)
b64 = base64.b64encode(zen_file.read(real_img_path))
if not b64:
raise ZenError("Can't encode file content to base64")
b64 = 'data:' + (mime_types[zen_file.get_ext(real_img_path)]
or default_mime_type) + ';base64,' + b64
editor.replace_content('$0' + b64, pos, pos + len(img_path))
return True
def encode_to_base64(editor, img_path, pos):
"""
Encodes image to base64
@requires: zen_file
@type editor: ZenEditor
@param img_path: Path to image
@type img_path: str
@param pos: Caret position where image is located in the editor
@type pos: int
@return: bool
"""
editor_file = editor.get_file_path()
default_mime_type = 'application/octet-stream'
if editor_file is None:
raise ZenError("You should save your file before using this action")
# locate real image path
real_img_path = zen_file.locate_file(editor_file, img_path)
if real_img_path is None:
raise ZenError("Can't find %s file" % img_path)
b64 = base64.b64encode(zen_file.read(real_img_path))
if not b64:
raise ZenError("Can't encode file content to base64")
b64 = 'data:' + (mime_types[zen_file.get_ext(real_img_path)] or default_mime_type) + ';base64,' + b64
editor.replace_content('$0' + b64, pos, pos + len(img_path))
return True
def update_image_size(editor):
"""
Updates <img> tag's width and height attributes
@type editor: ZenEditor
@since: 0.65
"""
editor_file = editor.get_file_path()
caret_pos = editor.get_caret_pos()
if editor_file is None:
raise ZenError("You should save your file before using this action")
image = _find_image(editor)
if image:
# search for image path
m = re.search(r'src=(["\'])(.+?)\1', image['tag'], re.IGNORECASE)
if m:
src = zen_file.locate_file(editor.get_file_path(), m.group(2))
if not src:
raise ZenError("Can't locate file %s" % m.group(2))
stream = zen_file.read(src)
if not stream:
raise ZenError("Can't read file %s" % src)
size = zen_coding.get_image_size(zen_file.read(src))
if size:
new_tag = _replace_or_append(image['tag'], 'width',
size['width'])
new_tag = _replace_or_append(new_tag, 'height', size['height'])
# try to preserve caret position
if caret_pos < image['start'] + len(new_tag):
relative_pos = caret_pos - image['start']
new_tag = new_tag[:
relative_pos] + zen_coding.get_caret_placeholder(
) + new_tag[relative_pos:]
editor.replace_content(new_tag, image['start'], image['end'])
return True
return False
def update_image_size(editor):
"""
Updates <img> tag's width and height attributes
@type editor: ZenEditor
@since: 0.65
"""
editor_file = editor.get_file_path()
caret_pos = editor.get_caret_pos()
if editor_file is None:
raise ZenError("You should save your file before using this action")
image = _find_image(editor)
if image:
# search for image path
m = re.search(r'src=(["\'])(.+?)\1', image['tag'], re.IGNORECASE)
if m:
src = zen_file.locate_file(editor.get_file_path(), m.group(2))
if not src:
raise ZenError("Can't locate file %s" % m.group(2))
stream = zen_file.read(src)
if not stream:
raise ZenError("Can't read file %s" % src)
size = zen_coding.get_image_size(zen_file.read(src))
if size:
new_tag = _replace_or_append(image['tag'], 'width', size['width'])
new_tag = _replace_or_append(new_tag, 'height', size['height'])
# try to preserve caret position
if caret_pos < image['start'] + len(new_tag):
relative_pos = caret_pos - image['start']
new_tag = new_tag[:relative_pos] + zen_coding.get_caret_placeholder() + new_tag[relative_pos:]
editor.replace_content(new_tag, image['start'], image['end'])
return True
return False