Add resolution for dependencies

Makefile

@@ -18,7 +18,7 @@ dev:
 
 isort:
 	@echo "-> Apply isort changes to ensure proper imports ordering"
-	${VENV}/bin/isort --sl src tests
+	${VENV}/bin/isort --sl -l 100 src tests 
 
 black:
 	@echo "-> Apply black code formatter"
@@ -32,9 +32,10 @@ valid: isort black
 
 check:
 	@echo "-> Run pycodestyle (PEP8) validation"
-	@${ACTIVATE} pycodestyle --max-line-length=100 --exclude=venv,lib,thirdparty,docs,migrations,settings.py .
+	@${ACTIVATE} pycodestyle --max-line-length=110 \
+	   --exclude=.eggs,etc/scripts,src/_packagedcode,venv,lib,thirdparty,docs .
 	@echo "-> Run isort imports ordering validation"
-	@${ACTIVATE} isort --sl --check-only .
+	@${ACTIVATE} isort --sl --check-only -l 100 src tests
 	@echo "-> Run black validation"
 	@${ACTIVATE} black --check -l 100
 

README.rst

@@ -24,6 +24,19 @@ The goal of python-inspector is to be a comprehensive library
 that can handle every style of Python package layouts, manifests and lockfiles.
 
 
+Usage
+--------
+
+- Install with pip::
+
+    pip install python-inspector
+
+- Run a command line with::
+
+    dad --help
+
+
+
 Its companion libraries are:
 
 - ``pip-requirements-parser``, a mostly correct pip requirements parsing

azure-pipelines.yml

@@ -11,46 +11,47 @@ jobs:
       parameters:
           job_name: ubuntu18_cpython
           image_name: ubuntu-18.04
-          python_versions: ['3.6', '3.7', '3.8', '3.9', '3.10']
+          python_versions: ['3.8', '3.9', '3.10']
           test_suites:
-              all: venv/bin/pytest -n 2 -vvs
+              all: |
+                venv/bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: ubuntu20_cpython
           image_name: ubuntu-20.04
-          python_versions: ['3.6', '3.7', '3.8', '3.9', '3.10']
+          python_versions: ['3.8', '3.9', '3.10']
           test_suites:
               all: venv/bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: macos1015_cpython
           image_name: macos-10.15
-          python_versions: ['3.6', '3.7', '3.8', '3.9', '3.10']
+          python_versions: ['3.8', '3.9', '3.10']
           test_suites:
               all: venv/bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: macos11_cpython
           image_name: macos-11
-          python_versions: ['3.7', '3.8', '3.9', '3.10']
+          python_versions: ['3.8', '3.9', '3.10']
           test_suites:
               all: venv/bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-win.yml
       parameters:
           job_name: win2019_cpython
           image_name: windows-2019
-          python_versions: ['3.6', '3.7', '3.8', '3.9', '3.10']
+          python_versions: ['3.8', '3.9', '3.10']
           test_suites:
               all: venv\Scripts\pytest -n 2 -vvs
 
     - template: etc/ci/azure-win.yml
       parameters:
           job_name: win2022_cpython
           image_name: windows-2022
-          python_versions: ['3.7', '3.8', '3.9', '3.10']
+          python_versions: ['3.8', '3.9', '3.10']
           test_suites:
               all: venv\Scripts\pytest -n 2 -vvs

docs/source/dependencies-design.rst

@@ -21,11 +21,11 @@ For each dependency, there can be a version "requirement" that can be an
 exact version, a version expression (aka. version specifier) as defined
 in `pep-0440 <https://www.python.org/dev/peps/pep-0440/>`__
 with additional OS and environment tags and constraints as specified in
-`pep-0508 <https://www.python.org/dev/peps/pep-0508/>`__ . 
+`pep-0508 <https://www.python.org/dev/peps/pep-0508/>`__ .
 
-In particular the required Python version of a package (or version specifier) 
-can be set for the whole package (with the``python_requires`` attribute) or as 
-a marker for a given direct or indirect dependency. pip processes requirement 
+In particular the required Python version of a package (or version specifier)
+can be set for the whole package (with the``python_requires`` attribute) or as
+a marker for a given direct or indirect dependency. pip processes requirement
 specifiers and constraints from a "requirements" file and internally resolves
 dependency versions recursively by querying the PyPI Python package
 index repository at https://PyPI.org
@@ -129,7 +129,7 @@ And a flat list of unique dependencies would be:
 -  thing 3.0
 -  shebang 1.0
 
-The implementation may likely be similar to 
+The implementation may likely be similar to
 `pipgrip <https://github.com/ddelange/pipgrip>`__,
 but using the `resolvelib <https://github.com/sarugaku/resolvelib>`__
 library as used and vendored in pip instead of an implementation of
@@ -139,7 +139,7 @@ The expected benefit of this tool is a simpler way to resolve Python
 dependencies that will not require complex installation of a Python toolchain
 specific to a given project environment when the goal is only to resolve
 dependencies. In particular the key new  capability is to run this tool on a
-single Python version and resolve versions for alternative Python versions, 
+single Python version and resolve versions for alternative Python versions,
 operating systems and architectures without having to install all the packages
 in the dependency tree.
 
@@ -158,7 +158,8 @@ The outline of the processing is to:
 -  For each top-level requirement (e.g. name/version):
 
    -  Fetch all the corresponding versions metadata using the PyPI API(s)
-   -  Fetch the packages as needed to further obtain the next-level dependencies, and this recursively
+   -  Fetch the packages as needed to further obtain the next-level
+      dependencies, and this recursively
 
 -  Resolve a correct dependency version for each name.
 -  Dump JSON
@@ -168,7 +169,7 @@ User experience:
 ----------------
 
 The goal of the command line interface and user experience is to be
-obvious and familiar to a pip user. 
+obvious and familiar to a pip user.
 
 Create a new CLI named "dad" short for "dad analyzes dependencies" with
 these key options:
@@ -352,4 +353,3 @@ ScanCode Toolkit can detect the and normalize the declared licenses in package
 metadata and also collect and normalize all the metadata. This could be
 a refinement for later.
 
-

etc/scripts/utils_requirements.py

@@ -8,6 +8,7 @@
 # See https://github.com/nexB/skeleton for support or download.
 # See https://aboutcode.org for more information about nexB OSS projects.
 #
+import os
 import re
 import subprocess
 

requirements-dev.txt

@@ -0,0 +1,41 @@
+aboutcode-toolkit==7.0.2
+black==22.3.0
+bleach==4.1.0
+boolean.py==4.0
+cffi==1.15.0
+cryptography==37.0.2
+dataclasses==0.8
+docutils==0.18.1
+et-xmlfile==1.1.0
+execnet==1.9.0
+importlib-resources==5.4.0
+iniconfig==1.1.1
+isort==5.10.1
+jeepney==0.7.1
+jinja2==3.0.3
+keyring==23.4.1
+license-expression==30.0.0
+markupsafe==2.0.1
+mypy-extensions==0.4.3
+openpyxl==3.0.10
+pathspec==0.9.0
+pkginfo==1.8.3
+platformdirs==2.4.0
+pluggy==1.0.0
+py==1.11.0
+pycodestyle==2.8.0
+pycparser==2.21
+pygments==2.12.0
+pytest==7.0.1
+pytest-forked==1.4.0
+pytest-xdist==2.5.0
+readme-renderer==34.0
+requests-toolbelt==0.9.1
+rfc3986==1.5.0
+secretstorage==3.3.2
+six==1.16.0
+tomli==1.2.3
+tqdm==4.64.0
+twine==3.8.0
+typed-ast==1.5.4
+webencodings==0.5.1

requirements.txt

@@ -0,0 +1,27 @@
+attrs==21.4.0
+beautifulsoup4==4.11.1
+certifi==2022.5.18.1
+charset-normalizer==2.0.12
+click==8.0.4
+colorama==0.4.4
+commoncode==30.2.0
+dparse2==0.6.1
+idna==3.3
+importlib-metadata==4.8.3
+intbitset==3.0.1
+packageurl-python==0.9.9
+packaging==21.3
+pip-requirements-parser==31.2.0
+pkginfo2==30.0.0
+pyparsing==3.0.9
+PyYAML==6.0
+requests==2.27.1
+resolvelib==0.8.1
+saneyaml==0.5.2
+soupsieve==2.3.2.post1
+text-unidecode==1.3
+toml==0.10.2
+typing==3.6.6
+typing_extensions==4.1.1
+urllib3==1.26.9
+zipp==3.6.0

src/_packagedcode/models.py

@@ -356,6 +356,12 @@ class DependentPackage(ModelMixin):
         "lockfiles for Composer or Cargo contain extra dependency data.",
     )
 
+    # dependencies = List(
+    #     item_type="DependentPackage",
+    #     label="dependencies",
+    #     help="A list of DependentPackage for this package.",
+    # )
+
 
 @attr.attributes(slots=True)
 class Dependency(DependentPackage):

src/_packagedcode/pypi.py

@@ -812,7 +812,7 @@ def get_requires_dependencies(requires, default_scope="install"):
                 is_runtime=True,
                 is_optional=False,
                 is_resolved=is_resolved,
-                extracted_requirement=requirement,
+                extracted_requirement=str(req),
             )
         )