🚧 reorganise code

- add PrettyTable for display

This commit is very much WIP. Just some inital playing
with the API.

Eventually this should lead to a tool that will export at a
minimum the wiki and issues for a project.

First though, I need to get a feel for how the API works.

pyproject.toml

@@ -17,7 +17,8 @@ classifiers = [
     "Operating System :: OS Independent",
 ]
 dependencies = [
-  "requests"
+  "prettytable",
+  "requests",
 ]
 
 [project.urls]

src/gitea_gitlab_exporter/__init__.py

@@ -1,18 +1,14 @@
 """
-A skeleton for a python project.
+A tool to copy a project from gitlab to gitea
 
 Copyright 2023 Neill Cox
 
 
 """
 
-import logging
+from .cli import cli_list_projects, parse_args
 
 
-def hello_world():
+def exporter():
-    logging.debug("hello_world called")
+    args = parse_args()
-    print("Hello World!")
+    cli_list_projects(args)
-
-
-if __name__ == "__main__":
-    hello_world()

src/gitea_gitlab_exporter/api.py

@@ -0,0 +1,49 @@
+import json
+import logging
+
+from .utils import get, gitlab_url
+
+
+def get_user(args):
+    logging.debug("get_user called")
+
+    url = gitlab_url("/user")
+
+    result = get(url, args)
+
+    return result
+
+
+def list_projects(args):
+    logging.debug("list_projects called")
+    user_id = get_user(args)["id"]
+
+    url = gitlab_url(
+        f"/users/{user_id}/projects?pagination=offset&per_page=500&"
+        "order_by=name&sort=asc"
+    )
+
+    result = get(url, args)
+
+    return result
+
+
+def get_project_details(args):
+    user_id = get_user(args)["id"]
+    url = gitlab_url(
+        f"/users/{user_id}/projects?pagination=offset&per_page=500&"
+        "order_by=name&sort=asc"
+    )
+
+    response = get(url, args)
+
+    project = [
+        project
+        for project in response
+        if (project["name"] == args.project or project["id"] == args.project)
+    ][0]
+
+    if not project:
+        raise KeyError(f"Project {args.project} not found")
+
+    print(json.dumps(project))

src/gitea_gitlab_exporter/cli.py

@@ -0,0 +1,106 @@
+import argparse
+import json
+import logging
+import os
+import sys
+
+from prettytable import PrettyTable
+
+from .api import get_project_details, get_user, list_projects
+
+
+def parse_args():
+    """Parse the command line arguments"""
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "-t",
+        "--gitlab-token",
+        help=(
+            "A private access token to access GitLab with. If not specified "
+            "will use $GL_TOKEN. Required."
+        ),
+    )
+    parser.add_argument("--debug", action="store_true")
+    parser.add_argument("--log-file", default="gitlab2gitea.log")
+    parser.add_argument("-f", "--format", default="json")
+
+    subparsers = parser.add_subparsers()
+
+    lp_sp = subparsers.add_parser("list-projects")
+    lp_sp.set_defaults(func=list_projects)
+
+    lp_sp = subparsers.add_parser("get-user")
+    lp_sp.set_defaults(func=cli_get_user)
+
+    lp_sp = subparsers.add_parser("get-project-details")
+    lp_sp.add_argument("--project", required=True)
+    lp_sp.set_defaults(func=get_project_details)
+
+    args = parser.parse_args()
+
+    log_level = logging.INFO
+    if args.debug:
+        log_level = logging.DEBUG
+
+    logging.basicConfig(filename=args.log_file, level=log_level)
+
+    if args.gitlab_token is None:
+        args.gitlab_token = os.environ.get("GL_TOKEN")
+
+    if args.gitlab_token is None:
+        err_str = "/".join(
+            [ac for ac in parser._actions if ac.dest == "gitlab_token"][
+                0
+            ].option_strings
+        )
+        parser.print_usage()
+
+        print(
+            f"{parser.prog}: error: the following arguments are "
+            f"required: {err_str}"
+        )
+        sys.exit(2)
+
+    if "func" in args:
+        args.func(args)
+
+    return args
+
+
+def cli_get_user(args):
+    logging.debug("cli_get_user called")
+
+    user = get_user(args)
+
+    print(json.dumps(user))
+
+
+def cli_list_projects(args):
+    logging.debug("cli_list_projects called")
+
+    projects = list_projects(args)
+
+    if args.format == "table":
+        tbl = PrettyTable()
+        tbl.align = "l"
+        tbl.field_names = [
+            "ID",
+            "Name",
+            # "Description"
+        ]
+
+        for row in projects:
+            tbl.add_row(
+                [
+                    row["id"],
+                    row["name"],
+                    # row["description"][:50] if row["description"] else ""
+                ]
+            )
+
+        print(tbl)
+    elif args.format == "json":
+        print(json.dumps(projects))
+    else:
+        print(projects)

src/gitea_gitlab_exporter/utils.py

@@ -0,0 +1,19 @@
+import logging
+
+import requests
+
+
+def gitlab_url(path):
+    return "https://gitlab.com/api/v4" + path
+
+
+def get(url, args):
+    logging.debug("get called")
+    logging.debug("url: %s", url)
+
+    response = requests.get(url, headers={"PRIVATE-TOKEN": args.gitlab_token})
+
+    logging.debug("response.status: %s", response.status_code)
+    logging.debug("body: %s", response.text)
+
+    return response.json()