mirror of
https://github.com/LonamiWebs/Telethon.git
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96 lines
3.5 KiB
ReStructuredText
96 lines
3.5 KiB
ReStructuredText
Project Structure
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=================
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.. currentmodule:: telethon
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The repository contains several folders, each with their own "package".
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benches/
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--------
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This folder contains different benchmarks.
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Pretty straightforward.
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stubs/
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------
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If a dependency doesn't support typing, files here must work around that.
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tools/
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------
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Various utility scripts.
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Each script should have a "comment" at the top explaining what they are for.
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See ``DEVELOPING.md`` in the repository root to learn how to use some of the tools.
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generator/
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----------
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A package that should not be published and is only used when developing the library.
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The implementation is private and exists under the ``src/*/_impl/`` folder.
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Only select parts are exported under public modules.
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Tests live under ``tests/``.
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The implementation consists of a parser and a code generator.
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The parser is able to read parse ``.tl`` files (Type-Language definition files).
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It doesn't do anything with the files other than to represent the content as Python objects.
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The code generator uses the parsed definitions to generate Python code.
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Most of the code to serialize and deserialize objects lives under ``serde/``.
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An in-memory "filesystem" structure is kept before writing all files to disk.
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This makes it possible to execute most of the process in a sans-io manner.
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Once the code generation finishes, all files are written to disk at once.
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See ``DEVELOPING.md`` in the repository root to learn how to generate code.
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client/
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-------
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The Telethon client library and documentation lives here.
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This is the package that gets published.
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The implementation is private and exists under the ``src/*/_impl/`` folder.
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Only select parts are exported under public modules.
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Tests live under ``tests/``.
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The client implementation consists of several subpackages.
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The ``tl`` package sits at the bottom.
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It is where the generated code is placed.
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It also contains some of the definitions needed for the generated code to work.
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Even though all the :term:`RPC` live here, this package can't do anything by itself.
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The ``crypto`` package implements all the encryption and decryption rules used by Telegram.
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Details concerning the :term:`MTProto` are mostly avoided, so the package can be generally useful.
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The ``mtproto`` package implements the logic required to talk to Telegram.
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It is implemented in a sans-io manner.
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This package is responsible for generating an authorization key and serializing packets.
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It also contains some optimizations which are not strictly necessary when implementing the library.
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The ``mtsender`` package simply adds IO to ``mtproto``.
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It is responsible for driving the network, enqueuing requests, and waiting for results.
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The ``session`` crate implements what's needed to manage the :term:`session` state.
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The logic to handle and correctly order updates also lives here, in a sans-io manner.
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The ``client`` ties everything together.
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This is what defines the Pythonic API to interact with Telegram.
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Custom object and event types also live here.
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Even though only common methods are implemented, the code is still huge.
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For this reason, the :class:`Client` implementation is separated from the class definition.
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The class definition only contains documentation and calls functions defined in other files.
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A tool under ``tools/`` exists to make it easy to keep these two in sync.
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If you plan to port the library to a different language, good luck!
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You will need a code generator, the ``crypto``, ``mtproto`` and ``mtsender`` packages to have an initial working version.
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The tests are your friend, write them too!
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