feat: Add initial code

This version is already able to find modules and load partial data.

config/flake8.ini

@@ -100,5 +100,12 @@ ignore =
     WPS428
     # redundant with C0415 (not top-level import)
     WPS433
+    # wrong multiline usage (attributes docstrings)
+    WPS462
     # implicit dict.get usage (generally false-positive)
     WPS529
+
+per-file-ignores =
+    src/griffe/dataclasses.py:WPS115
+    src/griffe/visitor.py:N802,D102
+    src/griffe/encoders.py:WPS232

docs/gen_ref_nav.py

@@ -21,8 +21,5 @@
 
     mkdocs_gen_files.set_edit_path(full_doc_path, path)
 
-# add pages manually:
-# nav["package", "module"] = "path/to/file.md"
-
 with mkdocs_gen_files.open("reference/SUMMARY.md", "w") as nav_file:
     nav_file.writelines(nav.build_literate_nav())

duties.py

@@ -3,7 +3,6 @@
 import os
 import re
 import sys
-from functools import wraps
 from pathlib import Path
 from shutil import which
 from typing import List, Optional, Pattern
@@ -152,32 +151,7 @@ def check_dependencies(ctx):
     )
 
 
-def no_docs_py36(nofail=True):
-    """
-    Decorate a duty that builds docs to warn that it's not possible on Python 3.6.
-
-    Arguments:
-        nofail: Whether to fail or not.
-
-    Returns:
-        The decorated function.
-    """
-
-    def decorator(func):
-        @wraps(func)
-        def wrapper(ctx):
-            if sys.version_info <= (3, 7, 0):
-                ctx.run(["false"], title="Docs can't be built on Python 3.6", nofail=nofail, quiet=True)
-            else:
-                func(ctx)
-
-        return wrapper
-
-    return decorator
-
-
 @duty
-@no_docs_py36()
 def check_docs(ctx):
     """
     Check if the documentation builds correctly.
@@ -187,7 +161,7 @@ def check_docs(ctx):
     """
     Path("htmlcov").mkdir(parents=True, exist_ok=True)
     Path("htmlcov/index.html").touch(exist_ok=True)
-    ctx.run("mkdocs build -s", title="Building documentation", pty=PTY)
+    ctx.run("mkdocs build -s", title="Building documentation", pty=PTY, nofail=True, quiet=True)
 
 
 @duty
@@ -223,7 +197,6 @@ def clean(ctx):
 
 
 @duty
-@no_docs_py36(nofail=False)
 def docs(ctx):
     """
     Build the documentation locally.
@@ -235,7 +208,6 @@ def docs(ctx):
 
 
 @duty
-@no_docs_py36(nofail=False)
 def docs_serve(ctx, host="127.0.0.1", port=8000):
     """
     Serve the documentation (localhost:8000).
@@ -249,7 +221,6 @@ def docs_serve(ctx, host="127.0.0.1", port=8000):
 
 
 @duty
-@no_docs_py36(nofail=False)
 def docs_deploy(ctx):
     """
     Deploy the documentation on GitHub pages.

mkdocs.yml

@@ -43,7 +43,7 @@ theme:
       name: Switch to light mode
 
 extra_css:
-- css/material.css
+- css/custom.css
 - css/mkdocstrings.css
 
 markdown_extensions:
@@ -68,6 +68,10 @@ plugins:
     nav_file: SUMMARY.md
 - coverage
 - mkdocstrings:
+    handlers:
+      python:
+        import:
+        - https://docs.python.org/3/objects.inv
     watch:
     - src/griffe
 

pyproject.toml

@@ -5,11 +5,15 @@ build-backend = "pdm.pep517.api"
 [project]
 name = "griffe"
 version = {use_scm = true}
-description = "Signatures for entire Python programs. Extract the structure, the frame, the skeleton of your project, to generate API documentation or find breaking changes in your API."
+description = """
+Signatures for entire Python programs.
+Extract the structure, the frame, the skeleton of your project,
+to generate API documentation or find breaking changes in your API.
+"""
 authors = [{name = "Timothée Mazzucotelli", email = "pawamoy@pm.me"}]
 license = {file = "LICENSE"}
 readme = "README.md"
-requires-python = ">=3.6"
+requires-python = ">=3.8"
 keywords = []
 dynamic = ["version", "classifiers"]
 classifiers = [
@@ -38,21 +42,23 @@ package-dir = "src"
 [tool.pdm.dev-dependencies]
 duty = ["duty~=0.6"]
 docs = [
-    "mkdocs~=1.1; python_version >= '3.7'",
-    "mkdocs-coverage~=0.2; python_version >= '3.7'",
-    "mkdocs-gen-files~=0.3; python_version >= '3.7'",
-    "mkdocs-literate-nav~=0.4; python_version >= '3.7'",
-    "mkdocs-material~=7.1; python_version >= '3.7'",
-    "mkdocstrings~=0.15; python_version >= '3.7'",
-    "toml~=0.10; python_version >= '3.7'",
+    "mkdocs~=1.1",
+    "mkdocs-coverage~=0.2",
+    "mkdocs-gen-files~=0.3",
+    "mkdocs-literate-nav~=0.4",
+    "mkdocs-material~=7.1",
+    "mkdocstrings~=0.15",
+    "-e ../mkdocstrings",
+    "-e ../pytkdocs",
+    "toml~=0.10",
 ]
 format = [
     "autoflake~=1.4",
     "black~=20.8b1",
     "isort~=5.8",
 ]
+# TODO: remove this section when git-changelog is more powerful
 maintain = [
-    # TODO: remove this section when git-changelog is more powerful
     "git-changelog~=0.4",
 ]
 quality = [

scripts/multirun.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -e
 
-PYTHON_VERSIONS="${PYTHON_VERSIONS-3.6 3.7 3.8 3.9}"
+PYTHON_VERSIONS="${PYTHON_VERSIONS-3.8 3.9}"
 
 if [ -n "${PYTHON_VERSIONS}" ]; then
     for python_version in ${PYTHON_VERSIONS}; do

scripts/setup.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -e
 
-PYTHON_VERSIONS="${PYTHON_VERSIONS-3.6 3.7 3.8 3.9}"
+PYTHON_VERSIONS="${PYTHON_VERSIONS-3.8 3.9}"
 
 install_with_pipx() {
     if ! command -v "$1" &>/dev/null; then

src/griffe/__init__.py

@@ -1,7 +1,9 @@
 """
 griffe package.
 
-Signatures for entire Python programs. Extract the structure, the frame, the skeleton of your project, to generate API documentation or find breaking changes in your API.
+Signatures for entire Python programs.
+Extract the structure, the frame, the skeleton of your project,
+to generate API documentation or find breaking changes in your API.
 """
 
 from typing import List

src/griffe/cli.py

@@ -11,21 +11,29 @@
 
 """Module that contains the command line application."""
 
+from __future__ import annotations
+
 import argparse
-from typing import List, Optional
+import json
+
+from griffe.encoders import Encoder
+from griffe.extensions.base import Extensions
+from griffe.loader import GriffeLoader
 
 
 def get_parser() -> argparse.ArgumentParser:
     """
-    Return the CLI argument parser.
+    Return the program argument parser.
 
     Returns:
-        An argparse parser.
+        The argument parser for the program.
     """
-    return argparse.ArgumentParser(prog="griffe")
+    parser = argparse.ArgumentParser(prog="griffe")
+    parser.add_argument("packages", metavar="PACKAGE", nargs="+", help="Packages to find and parse.")
+    return parser
 
 
-def main(args: Optional[List[str]] = None) -> int:
+def main(args: list[str] | None = None) -> int:
     """
     Run the main program.
 
@@ -38,6 +46,13 @@ def main(args: Optional[List[str]] = None) -> int:
         An exit code.
     """
     parser = get_parser()
-    opts = parser.parse_args(args=args)
-    print(opts)  # noqa: WPS421 (side-effect in main is fine)
+    opts: argparse.Namespace = parser.parse_args(args)  # type: ignore
+
+    extensions = Extensions()
+    loader = GriffeLoader(extensions=extensions)
+    modules = []
+    for package in opts.packages:
+        modules.append(loader.load_module(package))
+    serialized = json.dumps(modules, cls=Encoder, indent=2, full=True)
+    print(serialized)
     return 0

src/griffe/collections.py

@@ -0,0 +1,7 @@
+"""This module stores collections of data, useful during parsing."""
+
+from __future__ import annotations
+
+lines_collection: dict[str, list[str]] = {}
+"""A simple dictionary containing lines of modules.
+It will probably be made more powerful later."""