thepath 1.0.0

The Path - the easy way to work with paths and files in D


To use this package, run the following command in your project's root directory:

Manual usage
Put the following dependency into your project's dependences section:

The Path

Yet another attempt to implement high-level object-oriented interface to manage path and files in D. Inspired by Python's pathlib and D port of pathlib but implementing it in different way.

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Following ideas used in design of this lib:

  • Implement struct Path that have to represent single path to file or directory.
  • Avoid implicit modification of created path as much as reasonably possible. Any operation on path have to create new instance of Path, instead of modifying original.
  • Simplify naming for frequent operations (introducing new type for this allows to do it without name collisions).
  • Automatic tilde (~) expansion when needed (for example before file operations), thus allowing to easily work with path like ~/my/path, that will be resolved implicitly, without any special work needed.
  • Make this lib as convenient as possible.
  • Do not touch other paths (like URL), except filesystem path. Easy construction of path from segments and easy conversion of path to segments (that is array of strings) could help to deal with coversion to and from other paths (URL).
  • It is designed to work with file system paths of OS it is compiled for. Thus, there is no sense to work with windows-style paths under the linux, etc.
  • This lib have to be well tested.

Features

  • automatic expansion of ~ when needed (before passing path to std.file or std.stdio funcs)
  • single method to copy path (file or directory) to dest path
  • single method to remove path (file or directory)
  • simple method to walk through the path
    • foreach(p; Path.current.walk) writeln(p.toString);
    • foreach(p; Path("/tmp").walk) writeln(p.toString);
  • simple construction of paths from parts:
    • Path("a", "b", "c")
    • Path("a").join("b", "c")
  • simple deconstruction of paths
    • Path("a/b/c/d").segments == ["a", "b", "c", "d"]
    • Path("a", "b", "c", "d").segments == ["a", "b", "c", "d"]
  • overriden comparison operators for paths.
    • Path("a", "b") == Path("a", "b")
    • Path("a", "b") != Path("a", "c")
    • Path("a", "b") < Path("a", "c")
  • hasAttributes / getAttributes / setAttributes methods to work with file attrs
  • file operations as methods:
    • Path("my-path").writeFile("Hello world")
    • Path("my-path").readFile()
  • support search by glob-pattern
    • foreach(path; Path.current.glob("*.py")) writeln(p.toString);
  • easy access to some standard directories via Path's static methods:
    • Path.current - returns path to current working directory
    • Path.tempDir - returns path to default temporary directory

To Do

  • Any other features needed?

Examples

import thepath;


Path app_dir = Path("~/.local/my-app");
Path catalog_dir = app_dir.join("catalog");


void init() {
    // Note, that automatic '~' expansion will be done before checking the
    // existense of directory
    if (!app_dir.exists) {
        app_dir.mkdir(true);  // create recursive
    }
    if (!catalog_dir.exists) {
        catalog_dir.mkdir(true);
    }
}

void list_dir() {
    // Easily print content of the catalog directory
    foreach(Path p; catalog_dir.walkBreadth) {
        writeln(p.toAbsolute().toString());
    }
}

// Print all python files in current directory
void find_python_files() {
    foreach(path; Path.current.glob("*.py", SpanMode.breadth))
        // Print paths relative to current directory
        writeln(p.relativeTo(Path.current).toString);
}

Path findConfig() {
    // Search for "my-project.conf" in current directories and in
    // its parent directories
    auto config = Path.current.searchFileUp("my-project.conf");
    enforce(!config.isNull);
    return config.get;
}

For more examples, check the documentation and unittests.

License

This library is licensed under MPL-2.0 license

Authors:
  • Dmytro Katyukha
Dependencies:
none
Versions:
1.1.0 2023-Nov-04
1.0.0 2023-Oct-03
0.1.8 2023-Jul-26
0.1.7 2023-Jun-18
0.1.6 2023-Jun-16
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