Merge branch 'command-tree'

dephell/commands/__init__.py

@@ -5,6 +5,7 @@
 from .deps_install import DepsInstallCommand
 from .deps_licenses import DepsLicensesCommand
 from .deps_outdated import DepsOutdatedCommand
+from .deps_tree import DepsTreeCommand
 from .generate_authors import GenerateAuthorsCommand
 from .generate_config import GenerateConfigCommand
 from .generate_editorconfig import GenerateEditorconfigCommand
@@ -34,6 +35,7 @@
     'DepsInstallCommand',
     'DepsLicensesCommand',
     'DepsOutdatedCommand',
+    'DepsTreeCommand',
     'GenerateAuthorsCommand',
     'GenerateConfigCommand',
     'GenerateEditorconfigCommand',
@@ -63,6 +65,7 @@
     'deps install': DepsInstallCommand,
     'deps licenses': DepsLicensesCommand,
     'deps outdated': DepsOutdatedCommand,
+    'deps tree': DepsTreeCommand,
     # 'deps remove': ...,
     # 'deps sync': ...,
     'generate authors': GenerateAuthorsCommand,

dephell/commands/base.py

@@ -45,7 +45,7 @@ def validate(self):
         return is_valid
 
     @classmethod
-    def get_value(cls, data, key, sep: Optional[str] = '-'):
+    def get_value(cls, data, key: str = None, sep: Optional[str] = '-'):
         json_params = dict(indent=2, sort_keys=True, ensure_ascii=False)
         # print all config
         if not key:

dephell/commands/deps_tree.py

@@ -0,0 +1,90 @@
+# built-in
+from argparse import ArgumentParser, REMAINDER
+from typing import List
+
+# app
+from ..config import builders
+from ..controllers import analize_conflict
+from ..converters import CONVERTERS, PIPConverter
+from .base import BaseCommand
+
+
+class DepsTreeCommand(BaseCommand):
+    """Show dependencies tree.
+
+    https://dephell.readthedocs.io/en/latest/cmd-deps-tree.html
+    """
+    @classmethod
+    def get_parser(cls):
+        parser = ArgumentParser(
+            prog='dephell deps tree',
+            description=cls.__doc__,
+        )
+        builders.build_config(parser)
+        builders.build_from(parser)
+        builders.build_resolver(parser)
+        builders.build_api(parser)
+        builders.build_output(parser)
+        builders.build_other(parser)
+        parser.add_argument(
+            '--type',
+            nargs='?',
+            choices=('pretty', 'json', 'graph'),
+            default='pretty',
+            help='format for tree output.',
+        )
+        parser.add_argument('name', nargs=REMAINDER, help='package to get dependencies from')
+        return parser
+
+    def __call__(self):
+        if self.args.name:
+            resolver = PIPConverter(lock=False).loads_resolver(' '.join(self.args.name))
+        else:
+            loader = CONVERTERS[self.config['from']['format']]
+            resolver = loader.load_resolver(path=self.config['from']['path'])
+
+        # resolve
+        self.logger.debug('resolving...')
+        resolved = resolver.resolve()
+        if not resolved:
+            conflict = analize_conflict(resolver=resolver)
+            self.logger.warning('conflict was found')
+            print(conflict)
+            return False
+        self.logger.debug('resolved')
+
+        if self.args.type == 'pretty':
+            for dep in sorted(resolver.graph.get_layer(1)):
+                print('\n'.join(self._make_tree(dep)))
+            return True
+
+        if self.args.type == 'json':
+            result = []
+            for dep in sorted(resolver.graph):
+                result.append(dict(
+                    name=dep.name,
+                    constraint=str(dep.constraint) or '*',
+                    best=str(dep.group.best_release.version),
+                    latest=str(dep.groups.releases[0].version),
+                    dependencies=[subdep.name for subdep in dep.dependencies]
+                ))
+            print(self.get_value(result, key=self.config.get('filter')))
+            return True
+
+        if self.args.type == 'graph':
+            resolver.graph.draw()
+            self.logger.info('graph saved into .dephell_report/')
+            return True
+
+    @classmethod
+    def _make_tree(cls, dep, *, level: int = 0) -> List[str]:
+        lines = ['{level}- {name} [required: {constraint}, locked: {best}, latest: {latest}]'.format(
+            level='  ' * level,
+            name=dep.name,
+            constraint=str(dep.constraint) or '*',
+            best=str(dep.group.best_release.version),
+            latest=str(dep.groups.releases[0].version),
+        )]
+        for subdep in sorted(dep.dependencies):
+            lines.extend(cls._make_tree(subdep, level=level + 1))
+        return lines

dephell/config/manager.py

@@ -19,7 +19,7 @@
 
 class Config:
     env = ''
-    _skip = ('config', 'env', 'key', 'name')
+    _skip = ('config', 'env', 'key', 'name', 'type')
 
     def __init__(self, data: Optional[dict] = None):
         self._data = data or DEFAULT

docs/cmd-deps-convert.md

@@ -32,3 +32,4 @@ You can specify input and output in three different ways:
 
 1. [dephell build](cmd-deps-install) to fast convert dependencies into setup.py, sdist and wheel.
 1. [dephell deps install](cmd-deps-install) to install project dependencies.
+1. [dephell deps tree](cmd-deps-tree) to show dependencies tree for project.

docs/cmd-deps-tree.md

@@ -0,0 +1,38 @@
+# dephell deps tree
+
+Show dependencies tree for your dependencies  from `from` section or given package.
+
+Show project dependencies:
+
+```bash
+$ dephell deps tree
+- aiofiles [required: *, locked: 0.4.0, latest: 0.4.0]
+- aiohttp [required: *, locked: 3.5.4, latest: 3.5.4]
+  - async-timeout [required: <4.0,>=3.0, locked: 3.0.1, latest: 3.0.1]
+  - attrs [required: >=17.3.0, locked: 19.1.0, latest: 19.1.0]
+  - chardet [required: <4.0,>=2.0, locked: 3.0.4, latest: 3.0.4]
+  - idna-ssl [required: >=1.0, locked: 1.1.0, latest: 1.1.0]
+    - idna [required: >=2.0, locked: 2.8, latest: 2.8]
+  ...
+```
+
+Field `locked` shows version that was resolved by this command, **not** the version that represented in any environment or lockfile.
+
+Show dependencies for given package:
+
+```bash
+$ dephell deps tree aiohttp==3.5.4
+- aiohttp [required: ==3.5.4, locked: 3.5.4, latest: 3.5.4]
+  - async-timeout [required: <4.0,>=3.0, locked: 3.0.1, latest: 3.0.1]
+  - attrs [required: >=17.3.0, locked: 19.1.0, latest: 19.1.0]
+  - chardet [required: <4.0,>=2.0, locked: 3.0.4, latest: 3.0.4]
+  - idna-ssl [required: >=1.0, locked: 1.1.0, latest: 1.1.0]
+    - idna [required: >=2.0, locked: 2.8, latest: 2.8]
+  ...
+```
+
+## See also
+
+1. [dephell package outdated](cmd-package-list) to show outdated packages in a lockfile or project virtual environment.
+1. [dephell package list](cmd-package-list) to show information about installed packages.
+1. [dephell package show](cmd-package-show) to get information about single package.

docs/index.md

@@ -29,6 +29,7 @@
     cmd-deps-install
     cmd-deps-licenses
     cmd-deps-outdated
+    cmd-deps-tree
     cmd-generate-authors
     cmd-generate-config
     cmd-generate-editorconfig