mkdir is ready

README.md

@@ -12,6 +12,8 @@ GNU coreutils implementation with Python 3.8
 
 ✔ head
 
+✔ mkdir
+
 ## INSTALL
 
 ```shell
@@ -24,4 +26,5 @@ pip install -U u_coreutils
 u-cat a.txt
 u-echo -e -n 'Hello,World!\n'
 u-head -n 5 a.txt
+u-mkdir -p -v a/b/c/d
 ```

pyproject.toml

@@ -5,7 +5,7 @@ license = "MIT"
 name = "u-coreutils"
 readme = "README.md"
 repository = "https://github.com/duyixian1234/u-coreutils"
-version = "0.1.6"
+version = "0.1.7"
 
 [tool.poetry.dependencies]
 click = "^7.1.2"
@@ -25,6 +25,7 @@ rope = "^0.18.0"
 u-cat = 'u_coreutils.cat:run'
 u-echo = 'u_coreutils.echo:run'
 u-head = 'u_coreutils.head:run'
+u-mkdir = 'u_coreutils.mkdir:run'
 
 [tool.pylint.master]
 job = 0

tests/mkdir/test_mkdir.py

@@ -0,0 +1,34 @@
+from pathlib import Path
+from click.testing import CliRunner
+from u_coreutils.mkdir import mkdir
+
+
+def test_mkdir():
+    runner = CliRunner()
+    with runner.isolated_filesystem():
+        path = Path("a")
+        path.mkdir()
+
+        result = runner.invoke(mkdir, ["b"])
+        assert result.exit_code == 0
+        assert result.output == ""
+
+        result = runner.invoke(mkdir, ["-v", "c"])
+        assert result.exit_code == 0
+        assert result.output == "mkdir: created directory 'c'\n"
+
+        result = runner.invoke(mkdir, ["-v", "a"])
+        assert result.exit_code == 1
+        assert result.output == "mkdir: a: File exists\n"
+
+        result = runner.invoke(mkdir, ["a/b"])
+        assert result.exit_code == 0
+        assert result.output == ""
+
+        result = runner.invoke(mkdir, ["a/b/c/d"])
+        assert result.exit_code == 1
+        assert result.output == "mkdir: a/b/c: No such file or directory\n"
+
+        result = runner.invoke(mkdir, ["-p", "-v", "b/c/d"])
+        assert result.exit_code == 0
+        assert result.output == "mkdir: created directory 'b/c'\nmkdir: created directory 'b/c/d'\n"

tests/test_u_coreutils.py

@@ -2,4 +2,4 @@
 
 
 def test_version():
-    assert __version__ == "0.1.6"
+    assert __version__ == "0.1.7"

u_coreutils/__init__.py

@@ -1 +1 @@
-__version__ = "0.1.6"
+__version__ = "0.1.7"

u_coreutils/mkdir/__init__.py

@@ -0,0 +1,51 @@
+from pathlib import Path
+import sys
+from typing import List
+import click
+
+
+def process(directory: str, mode: int = 0o755, parents: bool = False, verbose: bool = False):
+    path = Path(directory)
+    existsList = reversed([(_path.exists(), _path) for _path in list(path.parents)[:-1]])
+
+    if path.exists() and not parents:
+        click.echo(f"mkdir: {directory}: File exists")
+        sys.exit(1)
+
+    for exists, parentPath in existsList:
+        if not exists:
+            if parents:
+                parentPath.mkdir(mode)
+                if verbose:
+                    click.echo(f"mkdir: created directory '{parentPath}'")
+            else:
+                click.echo(f"mkdir: {parentPath}: No such file or directory")
+                sys.exit(1)
+
+    path.mkdir(mode)
+    if verbose:
+        click.echo(f"mkdir: created directory '{path}'")
+
+
+@click.command()
+@click.option("-m", "--mode", help="set file mode (as in chmod), not a=rwx - umask", default="755")
+@click.option(
+    "-p",
+    "--parents",
+    flag_value=True,
+    help="no error if existing, make parent directories as needed",
+)
+@click.option("-v", "--verbose", flag_value=True, help="print a message for each created directory")
+@click.argument("DIRECTORY", required=True, nargs=-1, type=str)
+def mkdir(directory: List[str], mode: str, parents: bool, verbose: bool):
+    """Create the DIRECTORY(ies), if they do not already exist."""
+    _mode = int(mode, 8)
+    for _directory in directory:
+        process(_directory, _mode, parents, verbose)
+
+
+def run():
+    mkdir()  # pylint: disable=no-value-for-parameter
+
+
+__all__ = ["run"]

u_coreutils/mkdir/__main__.py

@@ -0,0 +1,4 @@
+from . import run
+
+if __name__ == "__main__":
+    run()