def resolve_image(record, src):
if record is None:
return None
url = urlparse(src)
if url.scheme or url.netloc:
return None
path = url.path
if not path.startswith('/'):
assert record.path is not None # FIXME: better error reporting?
path = join_path(record.path, path)
source = record.pad.get(path)
if isinstance(source, Image):
return source
def url_to(self,
path,
alt=None,
absolute=None,
external=None,
base_url=None):
"""Calculates the URL from the current source object to the given
other source object. Alternatively a path can also be provided
instead of a source object. If the path starts with a leading
bang (``!``) then no resolving is performed.
If a `base_url` is provided then it's used instead of the URL of
the record itself.
"""
if alt is None:
alt = getattr(path, "alt", None)
if alt is None:
alt = self.alt
resolve = True
path = getattr(path, "url_path", path)
if path[:1] == "!":
resolve = False
path = path[1:]
if resolve:
if not path.startswith("/"):
if self.path is None:
raise RuntimeError("Cannot use relative URL generation "
"from sources that do not have a "
"path. The source object without "
"a path is %r" % self)
path = join_path(self.path, path)
source = self.pad.get(path, alt=alt)
if source is not None:
path = source.url_path
else:
path = posixpath.join(self.url_path, path)
if absolute:
return path
if base_url is None:
base_url = self.url_path
return self.pad.make_url(path, base_url, absolute, external)
def url_to(self, path, alt=None, absolute=None, external=None,
base_url=None):
"""Calculates the URL from the current source object to the given
other source object. Alternatively a path can also be provided
instead of a source object. If the path starts with a leading
bang (``!``) then no resolving is performed.
If a `base_url` is provided then it's used instead of the URL of
the record itself.
"""
if alt is None:
alt = getattr(path, 'alt', None)
if alt is None:
alt = self.alt
resolve = True
path = getattr(path, 'url_path', path)
if path[:1] == '!':
resolve = False
path = path[1:]
if resolve:
if not path.startswith('/'):
if self.path is None:
raise RuntimeError('Cannot use relative URL generation '
'from sources that do not have a '
'path. The source object without '
'a path is %r' % self)
path = join_path(self.path, path)
source = self.pad.get(path, alt=alt)
if source is not None:
path = source.url_path
else:
path = posixpath.join(self.url_path, path)
if absolute:
return path
if base_url is None:
base_url = self.url_path
return self.pad.make_url(path, base_url, absolute, external)
def test_join_path():
from lektor.utils import join_path
assert join_path('a', 'b') == 'a/b'
assert join_path('/a', 'b') == '/a/b'
assert join_path('a@b', 'c') == 'a@b/c'
assert join_path('a@b', '') == 'a@b'
assert join_path('a@b', '@c') == 'a@c'
assert join_path('a@b/c', 'a@b') == 'a/a@b'
assert join_path('blog@archive', '2015') == 'blog@archive/2015'
assert join_path('blog@archive/2015', '..') == 'blog@archive'
assert join_path('blog@archive/2015', '@archive') == 'blog@archive'
assert join_path('blog@archive', '..') == 'blog'
assert join_path('blog@archive', '.') == 'blog@archive'
assert join_path('blog@archive', '') == 'blog@archive'
# special behavior: parent of pagination paths is always the actual
# page parent.
assert join_path('/blog@1', '..') == '/'
assert join_path('/blog@2', '..') == '/'
# But joins on the same level keep the path
assert join_path('/blog@1', '.') == '/blog@1'
assert join_path('/blog@2', '.') == '/blog@2'
assert join_path('/blog@1', '') == '/blog@1'
assert join_path('/blog@2', '') == '/blog@2'
def test_join_path():
from lektor.utils import join_path
assert join_path("a", "b") == "a/b"
assert join_path("/a", "b") == "/a/b"
assert join_path("a@b", "c") == "a@b/c"
assert join_path("a@b", "") == "a@b"
assert join_path("a@b", "@c") == "a@c"
assert join_path("a@b/c", "a@b") == "a/a@b"
assert join_path("blog@archive", "2015") == "blog@archive/2015"
assert join_path("blog@archive/2015", "..") == "blog@archive"
assert join_path("blog@archive/2015", "@archive") == "blog@archive"
assert join_path("blog@archive", "..") == "blog"
assert join_path("blog@archive", ".") == "blog@archive"
assert join_path("blog@archive", "") == "blog@archive"
# special behavior: parent of pagination paths is always the actual
# page parent.
assert join_path("/blog@1", "..") == "/"
assert join_path("/blog@2", "..") == "/"
# But joins on the same level keep the path
assert join_path("/blog@1", ".") == "/blog@1"
assert join_path("/blog@2", ".") == "/blog@2"
assert join_path("/blog@1", "") == "/blog@1"
assert join_path("/blog@2", "") == "/blog@2"
def test_join_path():
from lektor.utils import join_path
assert join_path('a', 'b') == 'a/b'
assert join_path('/a', 'b') == '/a/b'
assert join_path('a@b', 'c') == 'a@b/c'
assert join_path('a@b', '') == 'a@b'
assert join_path('a@b', '@c') == 'a@c'
assert join_path('a@b/c', 'a@b') == 'a/a@b'
assert join_path('blog@archive', '2015') == 'blog@archive/2015'
assert join_path('blog@archive/2015', '..') == 'blog@archive'
assert join_path('blog@archive/2015', '@archive') == 'blog@archive'
assert join_path('blog@archive', '..') == 'blog'
assert join_path('blog@archive', '.') == 'blog@archive'
assert join_path('blog@archive', '') == 'blog@archive'
# special behavior: parent of pagination paths is always the actual
# page parent.
assert join_path('/blog@1', '..') == '/'
assert join_path('/blog@2', '..') == '/'
# But joins on the same level keep the path
assert join_path('/blog@1', '.') == '/blog@1'
assert join_path('/blog@2', '.') == '/blog@2'
assert join_path('/blog@1', '') == '/blog@1'
assert join_path('/blog@2', '') == '/blog@2'