def convert_item_to_flask_url(self, ctx, item, filepath=None):
"""Given a relative reference like `foo/bar.css`, returns
the Flask static url. By doing so it takes into account
blueprints, i.e. in the aformentioned example,
``foo`` may reference a blueprint.
If an absolute path is given via ``filepath``, it will be
used instead. This is needed because ``item`` may be a
glob instruction that was resolved to multiple files.
If app.config("FLASK_ASSETS_USE_S3") exists and is True
then we import the url_for function from flask.ext.s3,
otherwise we import url_for from flask directly.
If app.config("FLASK_ASSETS_USE_CDN") exists and is True
then we import the url_for function from flask.
"""
if ctx.environment._app.config.get("FLASK_ASSETS_USE_S3"):
try:
from flask.ext.s3 import url_for
except ImportError as e:
print(
"You must have Flask S3 to use FLASK_ASSETS_USE_S3 option")
raise e
elif ctx.environment._app.config.get("FLASK_ASSETS_USE_CDN"):
try:
from flask.ext.cdn import url_for
except ImportError as e:
print(
"You must have Flask CDN to use FLASK_ASSETS_USE_CDN option"
)
raise e
else:
from flask import url_for
directory, rel_path, endpoint = self.split_prefix(ctx, item)
if filepath is not None:
filename = filepath[len(directory) + 1:]
else:
filename = rel_path
flask_ctx = None
if not _request_ctx_stack.top:
flask_ctx = ctx.environment._app.test_request_context()
flask_ctx.push()
try:
return url_for(endpoint, filename=filename)
finally:
if flask_ctx:
flask_ctx.pop()
def convert_item_to_flask_url(self, ctx, item, filepath=None):
"""Given a relative reference like `foo/bar.css`, returns
the Flask static url. By doing so it takes into account
blueprints, i.e. in the aformentioned example,
``foo`` may reference a blueprint.
If an absolute path is given via ``filepath``, it will be
used instead. This is needed because ``item`` may be a
glob instruction that was resolved to multiple files.
If app.config("FLASK_ASSETS_USE_S3") exists and is True
then we import the url_for function from flask.ext.s3,
otherwise we import url_for from flask directly.
If app.config("FLASK_ASSETS_USE_CDN") exists and is True
then we import the url_for function from flask.
"""
if ctx.environment._app.config.get("FLASK_ASSETS_USE_S3"):
try:
from flask.ext.s3 import url_for
except ImportError as e:
print("You must have Flask S3 to use FLASK_ASSETS_USE_S3 option")
raise e
elif ctx.environment._app.config.get("FLASK_ASSETS_USE_CDN"):
try:
from flask.ext.cdn import url_for
except ImportError as e:
print("You must have Flask CDN to use FLASK_ASSETS_USE_CDN option")
raise e
else:
from flask import url_for
directory, rel_path, endpoint = self.split_prefix(ctx, item)
if filepath is not None:
filename = filepath[len(directory)+1:]
else:
filename = rel_path
flask_ctx = None
if not _request_ctx_stack.top:
flask_ctx = ctx.environment._app.test_request_context()
flask_ctx.push()
try:
return url_for(endpoint, filename=filename)
finally:
if flask_ctx:
flask_ctx.pop()
def get_url(item):
if app.config.get('FUNNEL_USE_S3'):
try:
from flask.ext.s3 import url_for
except ImportError:
from flask import url_for
else:
from flask import url_for
if item.startswith(('//', 'http://', 'https://')):
return item
item = item.split('?', 1)
url = url_for('static', filename=item[0])
if item[1]:
url += '?' + item[1]
return url
def get_url(item):
if app.config.get('FUNNEL_USE_S3'):
try:
from flask.ext.s3 import url_for
except ImportError:
from flask import url_for
else:
from flask import url_for
if item.startswith(('//', 'http://', 'https://')):
return item
item = item.split('?', 1)
url = url_for('static', filename=item[0])
if item[1]:
url += '?' + item[1]
return url
def convert_item_to_flask_url(self, ctx, item, filepath=None):
"""Given a relative reference like `foo/bar.css`, returns
the Flask static url. By doing so it takes into account
blueprints, i.e. in the aformentioned example,
``foo`` may reference a blueprint.
If an absolute path is given via ``filepath``, it will be
used instead. This is needed because ``item`` may be a
glob instruction that was resolved to multiple files.
If app.config("FLASK_ASSETS_USE_S3") exists and is True
then we import the url_for function from flask.ext.s3,
otherwise we import url_for from flask directly.
If app.config("FLASK_ASSETS_USE_CDN") exists and is True
then we import the url_for function from flask.
"""
if ctx.environment._app.config.get("FLASK_ASSETS_USE_S3"):
try:
from flask.ext.s3 import url_for
except ImportError as e:
print(
"You must have Flask S3 to use FLASK_ASSETS_USE_S3 option")
raise e
elif ctx.environment._app.config.get("FLASK_ASSETS_USE_CDN"):
try:
from flask.ext.cdn import url_for
except ImportError as e:
print(
"You must have Flask CDN to use FLASK_ASSETS_USE_CDN option"
)
raise e
else:
from flask import url_for
directory, rel_path, endpoint = self.split_prefix(ctx, item)
if filepath is not None:
filename = filepath[len(directory) + 1:]
else:
filename = rel_path
flask_ctx = None
if not _request_ctx_stack.top:
flask_ctx = ctx.environment._app.test_request_context()
flask_ctx.push()
try:
url = url_for(endpoint, filename=filename)
# In some cases, url will be an absolute url with a scheme and hostname.
# (for example, when using werkzeug's host matching).
# In general, url_for() will return a http url. During assets build, we
# we don't know yet if the assets will be served over http, https or both.
# Let's use // instead. url_for takes a _scheme argument, but only together
# with external=True, which we do not want to force every time. Further,
# this _scheme argument is not able to render // - it always forces a colon.
if url and url.startswith('http:'):
url = url[5:]
return url
finally:
if flask_ctx:
flask_ctx.pop()
