Add self uncache command

dephell/commands/discover.py

@@ -57,6 +57,7 @@
     'project test',
     'project validate',
 
+    'self uncache',
     'self upgrade',
 
     'vendor download',

dephell/commands/self_uncache.py

@@ -0,0 +1,31 @@
+# built-in
+from argparse import ArgumentParser
+from pathlib import Path
+from shutil import rmtree
+
+# app
+from ..actions import format_size, get_path_size
+from ..config import builders
+from .base import BaseCommand
+
+
+class SelfUncacheCommand(BaseCommand):
+    """Remove dephell cache.
+    """
+    @classmethod
+    def get_parser(cls) -> ArgumentParser:
+        parser = cls._get_default_parser()
+        builders.build_config(parser)
+        builders.build_output(parser)
+        builders.build_other(parser)
+        return parser
+
+    def __call__(self) -> bool:
+        path = Path(self.config['cache']['path'])
+        if path.exists():
+            size = format_size(get_path_size(path))
+            rmtree(str(path))
+            self.logger.info('cache removed', extra=dict(size=size))
+        else:
+            self.logger.warning('no cache found')
+        return True

dephell/commands/self_upgrade.py

@@ -37,8 +37,10 @@ def _upgrade_repo(self, path: Path) -> bool:
 
     def _upgrade_package(self) -> bool:
         manager = PackageManager(executable=sys.executable)
-        args = ['-U', '--upgrade-strategy=eager']
+        args = ['-U']
         if manager.is_global:
             args.append('--user')
+        else:
+            args.append('--upgrade-strategy=eager')
         code = manager.run('install', *args, 'dephell')
         return (code == 0)

docs/cmd-inspect-self.md

@@ -13,5 +13,7 @@ $ dephell inspect self
 
 ## See also
 
+1. [dephell self uncache](cmd-self-uncache) to remove dephell cache.
+1. [dephell self upgrade](cmd-self-upgrade) to upgrade dephell and dependencies to the latest version.
 1. [dephell autocomplete](cmd-venv-create) to enable params autocomplete for commands in your shell.
 1. [dephell inspect config](cmd-inspect-config) to get information about config parameters.

docs/cmd-self-uncache.md

@@ -0,0 +1,12 @@
+# dephell self uncache
+
+Remove dephell cache.
+
+```bash
+$ dephell self uncache
+INFO cache removed (size=64.98Mb)
+```
+
+## See also
+
+1. [dephell inspect self](cmd-inspect-self) to get information about dephell installation like current cache size.

docs/cmd-self-upgrade.md

@@ -0,0 +1,11 @@
+# dephell self upgrade
+
+Upgrade dephell to the latest version. If dephell installed in venv or jail, it also updates all dependencies.
+
+```bash
+$ dephell self upgrade
+```
+
+## See also
+
+1. [dephell inspect self](cmd-inspect-self) to get information about dephell installation like current cache size.

docs/index-self.md

@@ -0,0 +1,11 @@
+# **self**: manage dephell
+
+Commands to manage dephell installation: [upgrade to the latest version](cmd-self-upgrade), [clear cache](cmd-self-uncache).
+
+```eval_rst
+.. toctree::
+    :maxdepth: 1
+
+    cmd-self-uncache
+    cmd-self-upgrade
+```

docs/index.md

@@ -44,6 +44,7 @@ And that's it! Now you can use any tools with any Python project. Every other co
     index-jail
     index-package
     index-project
+    index-self
     index-vendor
     index-venv
     index-other