def JSXBlueprint(app):
blueprint = Blueprint("jsx", __name__)
@blueprint.route("/js/<path:path>")
def js(path):
path = os.path.normpath(path)
if path.startswith("../") or os.path.isabs(path):
flask.abort(404)
return
# Unprocessed .js files
inputPath = app.config["Path"] + "/static/js/" + path
if os.path.isfile(inputPath):
return staticJs(flask.request, inputPath)
# Unprocessed .jsx files
inputPath = app.config["Path"] + "/static/jsx/" + path
if os.path.isfile(inputPath):
return staticJs(flask.request, inputPath)
# Processed .jsx files
inputPath = app.config["Path"] + "/static/jsx/" + path + "x"
outputPath = app.config["Path"] + "/data/js/" + path
if os.path.isfile(inputPath):
lastModificationTime = int(os.path.getmtime(inputPath))
cachedModificationTime = None
# Cached modification time
if flask.request.if_modified_since is not None:
cachedModificationTime = int(calendar.timegm(flask.request.if_modified_since.timetuple()))
# HTTP 304
if lastModificationTime == cachedModificationTime:
return http304()
# Regenerate if no processed copy exists
# or the cached version is out of date
if not os.path.exists(outputPath) or cachedModificationTime is not None:
# Delete existing processed copy, so if this fails we don't continue serving
# an out of date version
if os.path.exists(outputPath):
os.remove(outputPath)
# Create output directory
outputDirectory = os.path.dirname(outputPath)
if not os.path.exists(outputDirectory):
os.makedirs(outputDirectory)
# Transform
react.jsx.transform(inputPath, js_path = outputPath)
# Serve
response = flask.send_file(outputPath, conditional = True)
response.last_modified = lastModificationTime
return response
flask.abort(404)
def http304():
response = flask.make_response()
response.status_code = 304
return response
def staticJs(request, path):
# File modification time
lastModificationTime = int(os.path.getmtime(path))
cachedModificationTime = None
# Cached modification time
if request.if_modified_since is not None:
cachedModificationTime = int(calendar.timegm(request.if_modified_since.timetuple()))
if lastModificationTime == cachedModificationTime:
return http304()
response = flask.send_file(path, conditional = True)
response.content_type = "application/javascript"
return response
def getJsxFileList(directory = None, jsxFileList = None):
if jsxFileList is None: jsxFileList = []
if directory is None: directory = app.config["Path"] + "/static/jsx/"
decoratorFileList = []
componentFileList = []
for (subdirectory, _, fileNames) in os.walk(directory):
for fileName in fileNames:
filePath = os.path.join(subdirectory, fileName)
filePath = filePath[len(directory):]
if "decorator" in filePath.lower():
decoratorFileList.append(filePath)
else:
componentFileList.append(filePath)
jsxFileList.extend(decoratorFileList)
jsxFileList.extend(componentFileList)
return jsxFileList
blueprint.getJsxFileList = getJsxFileList
return blueprint
