Add cmd line app

docs/cmd.md

@@ -23,5 +23,7 @@ use `--input` and `--output` to specify input and output files respectively.
 
 There's some handy test data in the `tests/data` directory. For example:
 ```bash
-gzip -dc tests/data/fdb_list_compact.gz| qubed --from=fdblist
+gzip -dc tests/data/fdb_list_compact.gz| qubed convert --from=fdb --to=text --output=qube.txt
+gzip -dc tests/data/fdb_list_porcelain.gz| qubed convert --from=fdb --to=json --output=qube.json
+gzip -dc tests/data/fdb_list_compact.gz | qubed convert --from=fdb --to=html --output=qube.html
 ```

pyproject.toml

@@ -18,6 +18,9 @@ requires-python = ">= 3.11"
 dynamic = ["version"]
 dependencies = [
     "frozendict",
+    "rich",
+    "numpy",
+    "click",
 ]
 
 # Because this is a mixed rust/python project the structure is src/python/qubed rather than the more typical src/qubed

src/python/qubed/__main__.py

@@ -1,82 +1,114 @@
-import argparse
+import time
-import sys
 
+import click
+import psutil
 from rich.console import Console
+from rich.layout import Layout
+from rich.live import Live
+from rich.panel import Panel
+from rich.spinner import Spinner
+from rich.text import Text
 
 from qubed import Qube
 from qubed.convert import parse_fdb_list
 
 console = Console(stderr=True)
+process = psutil.Process()
+
+PRINT_INTERVAL = 0.25
 
 
+@click.group()
 def main():
-    parser = argparse.ArgumentParser(
+    """Command-line tool for working with trees."""
-        description="Generate a compressed tree from various inputs."
+    pass
-    )
 
-    subparsers = parser.add_subparsers(title="subcommands", required=True)
-    parser_convert = subparsers.add_parser(
-        "convert", help="Convert trees from one format to another."
-    )
-    # parser_another = subparsers.add_parser(
-    #     "another_subcommand", help="Does something else"
-    # )
 
-    parser_convert.add_argument(
+@main.command()
+@click.option(
     "--input",
-        type=argparse.FileType("r"),
+    type=click.File("r"),
-        default=sys.stdin,
+    default="-",
     help="Specify the input file (default: standard input).",
 )
-    parser_convert.add_argument(
+@click.option(
     "--output",
-        type=argparse.FileType("w"),
+    type=click.File("w"),
-        default=sys.stdout,
+    default="-",
     help="Specify the output file (default: standard output).",
 )
-
+@click.option(
-    parser_convert.add_argument(
+    "--from",
-        "--input_format",
+    "from_format",
-        choices=["fdb", "mars"],
+    type=click.Choice(["fdb", "mars"]),
     default="fdb",
-        help="""Specify the input format:
+    help="Specify the input format: fdb (fdb list --porcelain) or mars (mars list).",
-            fdb: the output of fdb list --porcelain
-            mars: the output of mars list
-        """,
 )
-
+@click.option(
-    parser_convert.add_argument(
+    "--to",
-        "--output_format",
+    "to_format",
-        choices=["text", "html"],
+    type=click.Choice(["text", "html", "json"]),
     default="text",
-        help="Specify the output format (text or html).",
+    help="Specify the output format: text, html, json.",
 )
-    parser_convert.set_defaults(func=convert)
+def convert(input, output, from_format, to_format):
-
+    """Convert trees from one format to another."""
-    args = parser.parse_args()
-    args.func(args)
-
-
-def convert(args):
     q = Qube.empty()
-    for datacube in parse_fdb_list(args.input):
+    t = time.time()
+    i0 = 0
+    n0 = 0
+    depth = 5
+    log = Text()
+    summary = Layout()
+    summary.split_column(
+        Layout(name="upper"),
+        Layout(name="qube"),
+    )
+    summary["upper"].split_row(
+        Layout(name="performance"),
+        Layout(log, name="log"),
+    )
+    spinner = Spinner("aesthetic", text="Performance", speed=0.3)
+
+    with Live(summary, auto_refresh=False, transient=True, console=console) as live:
+        for i, datacube in enumerate(parse_fdb_list(input)):
             new_branch = Qube.from_datacube(datacube)
-        q = q | Qube.from_datacube(datacube)
+            q = q | new_branch
 
-    # output = match args.output_format:
+            if time.time() - t > PRINT_INTERVAL:
-    #     case "text":
+                tree = q.__str__(depth=depth)
-    #         str(q)
+                if tree.count("\n") > 20:
-    #     case "html":
+                    depth -= 1
-    #         q.html()
+                if tree.count("\n") < 5:
-    output = "fw"
+                    depth += 1
 
-    with open(args.output, "w") as f:
+                summary["performance"].update(
-        f.write(output)
+                    Panel(
+                        Text.assemble(
+                            f"The Qube has {q.n_leaves} leaves and {q.n_nodes} internal nodes so far.\n",
+                            f"{(i - i0) / (time.time() - t) / PRINT_INTERVAL:.0f} lines per second.  ",
+                            f"{(q.n_leaves - n0) / (time.time() - t):.0f} leaves per second.\n",
+                            f"Memory usage: {process.memory_info().rss / 1024 / 1024:.0f} MB\n",
+                        ),
+                        title=spinner.render(time.time()),
+                        border_style="blue",
+                    )
+                )
+                summary["qube"].update(
+                    Panel(tree, title=f"Qube (depth {depth})", border_style="blue")
+                )
+                summary["log"].update(
+                    Panel(
+                        f"{datacube}", border_style="blue", title="Last Datacube Added"
+                    )
+                )
+                live.refresh()
+                i0 = i
+                n0 = q.n_leaves
+                t = time.time()
 
-    console.print([1, 2, 3])
+    output_content = str(q) if to_format == "text" else q.html().html
-    console.print("[blue underline]Looks like a link")
+    output.write(output_content)
-    console.print(locals())
-    console.print("FOO", style="white on blue")
 
 
 if __name__ == "__main__":