lib.FileContext.mkdir(): Add method

Add .mkdir() to the API which should do the expected, and implement
it in ExecContext and Local specializations.

Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/pkg/lib/ExecContext.py

@@ -504,6 +504,10 @@ class ExecContext(Base):
         cmd = ['mv', src, dst]
         await self.run(cmd, cmd_input=InputMode.NonInteractive)
 
+    async def _mkdir(self, name: str, mode: int) -> None:
+        cmd = ['mkdir', name, '-m', self.__mode_str(mode)]
+        await self.run(cmd, cmd_input=InputMode.NonInteractive)
+
     async def _mktemp(self, tmpl: str, directory: bool) -> str:
         cmd = ['mktemp']
         if directory:

src/python/jw/pkg/lib/FileContext.py

@@ -160,6 +160,12 @@ class FileContext(abc.ABC):
     async def rename(self, src: str, dst: str) -> None:
         return await self._rename(src, dst)
 
+    async def _mkdir(self, path: str, mode: int) -> None:
+        raise NotImplementedError(f'{self.log_path}: mkdir({path}) is not implemented')
+
+    async def mkdir(self, path: str, mode: int=0o777) -> None:
+        return await self._mkdir(path, mode)
+
     async def _mktemp(self, tmpl: str, directory: bool) -> None:
         raise NotImplementedError(f'{self.log_name}: mktemp("{path}") is not implemented')
 

src/python/jw/pkg/lib/ec/Local.py

@@ -155,6 +155,9 @@ class Local(Base):
     async def _rename(self, src: str, dst: str) -> None:
         os.rename(src, dst)
 
+    async def _mkdir(self, name: str, mode: int) -> None:
+        os.mkdir(name, mode)
+
     async def _stat(self, path: str, follow_symlinks: bool) -> StatResult:
         return StatResult.from_os(os.stat(path, follow_symlinks=follow_symlinks))