application for a complete example that uses authentication (and stores user data in a PostgreSQL database). Third party authentication The tornado.auth module implements the authentication and authorization initialize(). Example: class ProfileHandler(RequestHandler): def initialize(self, database): self.database = database def get(self, username): (continues on next page) 6.2. Web framework 41Tornado (continued from previous page) ... app = Application([ (r'/user/(.*)', ProfileHandler, dict(database=database)), ]) RequestHandler.prepare() → Awaitable[None] | None Called at the beginning of a request

mos/blog] for a complete example that uses authentication (and stores user data in a PostgreSQL database). Third party authentication The tornado.auth module implements the authentication and authorization initialize(self, database): self.database = database def get(self, username): ... app = Application([ (r'/user/(.*)', ProfileHandler, dict(database=database)), ]) RequestHandler get_user_locale, which you can override to set the locale based on, e.g., a user preference stored in a database, or get_browser_locale, which uses the Accept-Language header. RequestHandler.log_exception(typ:

open(connection::Database) level = LEVEL[] if level !== :ADMIN error("Access disallowed") end # ... open connection end function handle(request, response) # ... open(Database(#=...=#))CHAPTER functionality can be added through the TimeZones.jl package, which compiles the IANA time zone database. Both Date and DateTime are based on the ISO 8601 standard, which follows the proleptic Gregorian workdir are the same.CHAPTER 77. LIBGIT2 1383 • localclone: Flag whether to clone a local object database or do a fetch. The default is to let git decide. It will not use the git-aware transport for a

open(connection::Database) level = LEVEL[] if level !== :ADMIN error("Access disallowed") end # ... open connection end function handle(request, response) # ... open(Database(#=...=#))CHAPTER functionality can be added through the TimeZones.jl package, which compiles the IANA time zone database. Both Date and DateTime are based on the ISO 8601 standard, which follows the proleptic Gregorian workdir are the same.CHAPTER 77. LIBGIT2 1383 • localclone: Flag whether to clone a local object database or do a fetch. The default is to let git decide. It will not use the git-aware transport for a

open(connection::Database) level = LEVEL[] if level !== :ADMIN error("Access disallowed") end # ... open connection end function handle(request, response) # ... open(Database(#=...=#))CHAPTER functionality can be added through the TimeZones.jl package, which compiles the IANA time zone database. Both Date and DateTime are based on the ISO 8601 standard, which follows the proleptic Gregorian workdir are the same.CHAPTER 77. LIBGIT2 1383 • localclone: Flag whether to clone a local object database or do a fetch. The default is to let git decide. It will not use the git-aware transport for a

open(connection::Database) level = LEVEL[] if level !== :ADMIN error("Access disallowed") end # ... open connection end function handle(request, response) # ... open(Database(#=...=#))CHAPTER functionality can be added through the TimeZones.jl package, which compiles the IANA time zone database. Both Date and DateTime are based on the ISO 8601 standard, which follows the proleptic Gregorian workdir are the same.CHAPTER 79. LIBGIT2 1442 • localclone: Flag whether to clone a local object database or do a fetch. The default is to let git decide. It will not use the git-aware transport for a

open(connection::Database) level = LEVEL[] if level !== :ADMIN error("Access disallowed") end # ... open connection end function handle(request, response) # ... open(Database(#=...=#))CHAPTER functionality can be added through the TimeZones.jl package, which compiles the IANA time zone database. Both Date and DateTime are based on the ISO 8601 standard, which follows the proleptic Gregorian workdir are the same.CHAPTER 79. LIBGIT2 1441 • localclone: Flag whether to clone a local object database or do a fetch. The default is to let git decide. It will not use the git-aware transport for a

open(connection::Database) level = LEVEL[] if level !== :ADMIN error("Access disallowed") end # ... open connection end function handle(request, response) # ... open(Database(#=...=#))CHAPTER functionality can be added through the TimeZones.jl package, which compiles the IANA time zone database. Both Date and DateTime are based on the ISO 8601 standard, which follows the proleptic Gregorian workdir are the same.CHAPTER 79. LIBGIT2 1441 • localclone: Flag whether to clone a local object database or do a fetch. The default is to let git decide. It will not use the git-aware transport for a

open(connection::Database) level = LEVEL[] if level !== :ADMIN error("Access disallowed") end # ... open connection end function handle(request, response) # ... open(Database(#=...=#))CHAPTER functionality can be added through the TimeZones.jl package, which compiles the IANA time zone database. Both Date and DateTime are based on the ISO 8601 standard, which follows the proleptic Gregorian workdir are the same.CHAPTER 78. LIBGIT2 1433 • localclone: Flag whether to clone a local object database or do a fetch. The default is to let git decide. It will not use the git-aware transport for a

open(connection::Database) level = LEVEL[] if level !== :ADMIN error("Access disallowed") end # ... open connection end function handle(request, response) # ... open(Database(#=...=#))CHAPTER functionality can be added through the TimeZones.jl package, which compiles the IANA time zone database. Both Date and DateTime are based on the ISO 8601 standard, which follows the proleptic Gregorian workdir are the same.CHAPTER 79. LIBGIT2 1444 • localclone: Flag whether to clone a local object database or do a fetch. The default is to let git decide. It will not use the git-aware transport for a