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import os |
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import logging |
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from pathlib import Path |
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from urllib.parse import urlencode, unquote |
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from flask import request, current_app, url_for |
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from flask_api import FlaskAPI |
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from flask_api.exceptions import APIException, NotFound |
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import bugsnag |
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from bugsnag.flask import handle_exceptions |
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from . import extensions |
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from . import services |
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from . import stores |
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from . import routes |
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log = logging.getLogger('api') |
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class TemplateNotFound(NotFound): |
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detail = "Template not found." |
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class InvalidMaskedCode(NotFound): |
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detail = "Masked URL does not match any image." |
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class FilenameTooLong(APIException): |
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status_code = 414 |
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detail = "Filename too long." |
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class InvalidImageLink(APIException): |
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status_code = 415 |
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detail = "Unsupported image type." |
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def create_app(config): |
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app = FlaskAPI(__name__) |
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app.config.from_object(config) |
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configure_exceptions(app) |
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configure_logging(app) |
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register_extensions(app) |
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register_services(app) |
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register_blueprints(app) |
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enable_cache_busting(app) |
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return app |
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def configure_exceptions(app): |
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if app.config['BUGSNAG_API_KEY']: # pragma: no cover |
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bugsnag.configure( |
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api_key=app.config['BUGSNAG_API_KEY'], |
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project_root=app.config['ROOT'], |
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) |
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handle_exceptions(app) |
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def configure_logging(app): |
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logging.basicConfig(level=app.config['LOG_LEVEL'], |
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format="%(levelname)s: %(message)s") |
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logging.getLogger('yorm').setLevel(logging.WARNING) |
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logging.getLogger('requests').setLevel(logging.WARNING) |
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logging.getLogger('PIL').setLevel(logging.INFO) |
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def register_extensions(app): |
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extensions.cors.init_app(app, methods=['GET', 'OPTIONS'], allow_headers='*') |
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def register_services(app): |
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exceptions = services.Exceptions( |
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TemplateNotFound, |
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InvalidMaskedCode, |
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FilenameTooLong, |
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InvalidImageLink, |
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) |
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templates_root = os.path.join(app.config['ROOT'], 'data', 'templates') |
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template_store = stores.template.TemplateStore(templates_root) |
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87
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fonts_root = os.path.join(app.config['ROOT'], 'data', 'fonts') |
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font_store = stores.font.FontStore(fonts_root) |
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images_root = os.path.join(app.config['ROOT'], 'data', 'images') |
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image_store = stores.image.ImageStore(images_root, app.config) |
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app.link_service = services.link.LinkService( |
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exceptions=exceptions, |
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template_store=template_store, |
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) |
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app.template_service = services.template.TemplateService( |
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exceptions=exceptions, |
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template_store=template_store, |
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) |
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app.font_service = services.font.FontService( |
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exceptions=exceptions, |
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font_store=font_store |
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) |
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app.image_service = services.image.ImageService( |
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exceptions=exceptions, |
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template_store=template_store, |
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font_store=font_store, |
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image_store=image_store, |
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) |
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def log_request(response): |
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if current_app.debug: |
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path = request.path |
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if request.args: |
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path += "?%s" % unquote(urlencode(request.args)) |
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log.info("%s: %s - %i", request.method, path, |
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response.status_code) |
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return response |
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app.after_request(log_request) |
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123
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def register_blueprints(app): |
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app.register_blueprint(routes.api_aliases.blueprint) |
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app.register_blueprint(routes.api_fonts.blueprint) |
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app.register_blueprint(routes.api_legacy.blueprint) |
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app.register_blueprint(routes.api_links.blueprint) |
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app.register_blueprint(routes.api_root.blueprint) |
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app.register_blueprint(routes.api_search.blueprint) |
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app.register_blueprint(routes.api_templates.blueprint) |
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app.register_blueprint(routes.custom.blueprint) |
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app.register_blueprint(routes.image.blueprint) |
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app.register_blueprint(routes.index.blueprint) |
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app.register_blueprint(routes.latest.blueprint) |
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app.register_blueprint(routes.static.blueprint) |
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138
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139
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def enable_cache_busting(app): |
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def dated_url_for(endpoint, **values): |
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if endpoint == 'static': |
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filename = values.get('filename', None) |
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if filename: |
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path = Path(app.root_path, endpoint, filename) |
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values['q'] = int(path.stat().st_mtime) |
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return url_for(endpoint, **values) |
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149
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app.context_processor(lambda: dict(url_for=dated_url_for)) |
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jacebrowning /
memegen
