setup.py

#!/usr/bin/env python3

import argparse
import os
import platform
import shutil
import subprocess
import zipfile
from configparser import ConfigParser
from pathlib import Path
from typing import Dict, List, Optional

import tomllib


def with_name(
    path: Path, prefix: str = "", suffix: str = "", extension: str = ".py"
) -> Path:
    return path.with_name(f"{prefix}{path.stem}{suffix}{extension}")


class QgisPluginBuilder:
    def __init__(self):
        current_directory = Path(__file__).parent
        pyproject_file = current_directory / "pyproject.toml"

        self.settings = tomllib.loads(pyproject_file.read_text())
        self.project_settings = self.settings.get("project", {})
        self.qgspb_settings = self.settings.get("tool", {}).get("qgspb", {})
        self.data_settings = self.qgspb_settings.get("package-data", {})
        self.ui_settings = self.qgspb_settings.get("forms", {})
        self.qrc_settings = self.qgspb_settings.get("resources", {})
        self.ts_settings = self.qgspb_settings.get("translations", {})

    def bootstrap(
        self,
        *,
        compile_ui: Optional[bool] = None,
        compile_qrc: Optional[bool] = None,
        compile_ts: Optional[bool] = None,
    ) -> None:
        if all(
            setting is None
            for setting in (compile_ui, compile_qrc, compile_ts)
        ):
            compile_ui = True
            compile_qrc = True
            compile_ts = True

        if compile_ui:
            self.compile_ui()
        if compile_qrc:
            self.compile_qrc()
        if compile_ts:
            self.compile_ts()

    def compile_ui(self) -> None:
        if len(self.ui_settings) == 0 or not self.ui_settings.get(
            "compile", False
        ):
            return

        prefix = self.ui_settings.get("target-prefix", "")
        suffix = self.ui_settings.get("target-suffix", "")
        ui_patterns = self.ui_settings.get("ui-files", [])
        ui_paths = [
            ui_path
            for ui_pattern in ui_patterns
            for ui_path in Path(__file__).parent.rglob(ui_pattern)
        ]
        for ui_path in ui_paths:
            output_path = with_name(ui_path, prefix, suffix, ".py")
            subprocess.check_output(
                ["pyuic5", "-o", str(output_path), str(ui_path)]
            )
            self.__update_generated_file(output_path)

    def compile_qrc(self) -> None:
        if len(self.qrc_settings) == 0:
            return

        prefix = self.qrc_settings.get("target-prefix", "")
        suffix = self.qrc_settings.get("target-suffix", "")
        qrc_patterns = self.qrc_settings.get("qrc-files", [])
        qrc_paths = [
            qrc_path
            for qrc_pattern in qrc_patterns
            for qrc_path in Path(__file__).parent.rglob(qrc_pattern)
        ]
        for qrc_path in qrc_paths:
            output_path = with_name(qrc_path, prefix, suffix, ".py")
            subprocess.check_output(
                ["pyrcc5", "-o", str(output_path), str(qrc_path)]
            )
            self.__update_generated_file(output_path)

    def compile_ts(self):
        if len(self.ts_settings) == 0:
            return

        ts_patterns = self.ts_settings.get("ts-files", [])
        command_args = ["lrelease"]
        command_args.extend(
            str(ts_path)
            for ts_pattern in ts_patterns
            for ts_path in Path(__file__).parent.rglob(ts_pattern)
        )

        subprocess.check_output(command_args)

    def build(self) -> None:
        self.bootstrap()

        build_mapping = self.__create_build_mapping()

        project_name: str = self.project_settings["name"]
        project_version: str = self.project_settings["version"]

        zip_file_name = f"{project_name}-{project_version}.zip"

        build_directory = Path(__file__).parent / "build"
        build_directory.mkdir(exist_ok=True)

        created_directories = set()

        def create_directories(zip_file: zipfile.ZipFile, path: Path):
            directory = ""
            for part in path.parts[:-1]:
                directory += f"{part}/"
                if directory in created_directories:
                    continue
                zip_file.writestr(directory, "")
                created_directories.add(directory)

        zip_file_path = build_directory / zip_file_name
        with zipfile.ZipFile(
            zip_file_path, "w", zipfile.ZIP_DEFLATED
        ) as zip_file:
            for source_file, build_path in build_mapping.items():
                create_directories(zip_file, build_path)
                zip_file.write(source_file, "/".join(build_path.parts))

    def install(
        self,
        qgis: str,
        profile: Optional[str],
        editable: bool = False,
        force: bool = False,
    ) -> None:
        profile_path = self.__profile_path(qgis, profile)
        plugins_path = profile_path / "python" / "plugins"

        project_name: str = self.project_settings["name"]
        project_version: str = self.project_settings["version"]

        plugin_path = plugins_path / project_name

        installed_version = None

        print(f"Plugin {project_name} {project_version}\n")

        confirmation = (
            input(":: Proceed with installation? [Y/n] ").strip().lower()
        )

        if confirmation == "n":
            return

        print()

        if plugin_path.exists():
            metadata_path = plugin_path / "metadata.txt"
            assert metadata_path.exists()
            metadata = ConfigParser()
            with open(metadata_path, encoding="utf-8") as f:
                metadata.read_file(f)
            installed_version = metadata.get("general", "version")

            print(
                f"Plugin {project_name} {installed_version} is already"
                f' installed for "{profile_path.name}" profile'
            )

            if not force:
                return

            print("\n:: Uninstalling previous plugin version...")

            self.__uninstall_plugin(plugin_path)

        self.bootstrap()

        print(":: Installing plugin...")

        build_mapping = self.__create_build_mapping()
        for source_file, build_path in build_mapping.items():
            (plugins_path / build_path).parent.mkdir(
                parents=True, exist_ok=True
            )
            print(f"- {build_path}")

            if editable:
                (plugins_path / build_path).symlink_to(source_file)
            else:
                shutil.copy(source_file, plugins_path / build_path)

        print(f"\n:: {project_name} {project_version} successfully installed")

    def uninstall(self, qgis: str, profile: Optional[str]) -> None:
        profile_path = self.__profile_path(qgis, profile)
        plugins_path = profile_path / "python" / "plugins"

        project_name: str = self.project_settings["name"]

        plugin_path = plugins_path / project_name

        if not plugin_path.exists():
            print(
                f"Plugin {project_name} is not installed for"
                f' "{profile_path.name}" profile'
            )
            return

        metadata_path = plugin_path / "metadata.txt"
        assert metadata_path.exists()

        metadata = ConfigParser()
        with open(metadata_path, encoding="utf-8") as f:
            metadata.read_file(f)
        installed_version = metadata.get("general", "version")

        print(f"Plugin {project_name} {installed_version}\n")

        confirmation = (
            input(":: Do you want to remove this plugin? [y/N] ")
            .strip()
            .lower()
        )

        if confirmation != "y":
            return

        self.__uninstall_plugin(plugin_path)

        print(
            f"\n:: {project_name} {installed_version} successfully uninstalled"
        )

    def clean(self) -> None:
        mappings = {
            **self.__create_resources_mapping(),
            **self.__create_translations_mapping(),
        }

        if self.ui_settings.get("compile", False):
            mappings.update(self.__create_forms_mapping())

        src_directory = Path(__file__).parent / "src"
        for path in mappings.values():
            (src_directory / path).unlink(missing_ok=True)

    def update_ts(self):
        if len(self.ts_settings) == 0:
            return

        command_args = ["pylupdate5"]
        if self.ts_settings.get("no-obsolete", False):
            command_args.append("-noobsolete")

        exclude_patterns = self.ts_settings.get("exclude-files", [])
        exclude_paths = set(
            exclude_path
            for exclude_pattern in exclude_patterns
            for exclude_path in Path(__file__).parent.rglob(exclude_pattern)
        )
        exclude_paths.update(
            path
            for path in self.__create_forms_mapping().keys()
            if path.suffix == ".py"
        )
        exclude_paths.update(self.__create_resources_mapping().keys())

        ui_patterns = self.ui_settings.get("ui-files", [])
        source_paths = list(self.__create_sources_mapping().keys())
        source_paths.extend(
            ui_path
            for ui_pattern in ui_patterns
            for ui_path in Path(__file__).parent.rglob(ui_pattern)
        )

        if len(source_paths) == 0:
            raise RuntimeError("Sources list is empty")

        ts_patterns = self.ts_settings.get("ts-files", [])
        if len(ts_patterns) == 0:
            raise RuntimeError("Empty translations list")

        command_args.extend(
            str(source_path)
            for source_path in source_paths
            if source_path not in exclude_paths
        )
        command_args.append("-ts")
        command_args.extend(
            str(ts_path)
            for ts_pattern in ts_patterns
            for ts_path in Path(__file__).parent.rglob(ts_pattern)
        )

        subprocess.check_output(command_args)

        # TODO (ivanbarsukov): check unfinished in ts files

    def __create_build_mapping(self) -> Dict[Path, Path]:
        result = self.__create_metadata_mapping()
        result.update(self.__create_readme_mapping())
        result.update(self.__create_license_mapping())
        result.update(self.__create_sources_mapping())
        result.update(self.__create_data_mapping())
        result.update(self.__create_forms_mapping())
        result.update(self.__create_resources_mapping())
        result.update(self.__create_translations_mapping())
        result = dict(sorted(result.items()))
        return result

    def __create_metadata_mapping(self) -> Dict[Path, Path]:
        project_version: str = self.project_settings["version"]

        src_directory = Path(__file__).parent / "src"
        project_name: str = self.project_settings["name"]

        metadata_path = src_directory / project_name / "metadata.txt"

        metadata = ConfigParser()
        with open(metadata_path, encoding="utf-8") as f:
            metadata.read_file(f)
        assert metadata.get("general", "version") == project_version

        build_path = Path(project_name) / metadata_path.name

        return {metadata_path: build_path}

    def __create_readme_mapping(self) -> Dict[Path, Path]:
        if "readme" not in self.project_settings:
            return {}

        readme_setting = self.project_settings["readme"]

        if isinstance(readme_setting, str):
            readme_path = Path(__file__).parent / readme_setting
        elif isinstance(readme_setting, dict):
            readme_path = Path(__file__).parent / readme_setting["file"]
        else:
            raise RuntimeError("Unknown readme setting")

        project_name: str = self.project_settings["name"]

        file_path = readme_path.absolute()
        build_path = Path(project_name) / file_path.name

        return {file_path: build_path}

    def __create_license_mapping(self) -> Dict[Path, Path]:
        if "license" not in self.project_settings:
            return {}

        license_setting = self.project_settings["license"]
        license_file = license_setting["file"]
        assert isinstance(license_file, str)

        project_name: str = self.project_settings["name"]

        file_path = (Path(__file__).parent / license_file).absolute()
        build_path = Path(project_name) / file_path.name

        return {file_path: build_path}

    def __create_sources_mapping(self) -> Dict[Path, Path]:
        project_name: str = self.project_settings["name"]
        src_directory = Path(__file__).parent / "src"

        exclude_patterns = self.qgspb_settings.get("exclude-files", [])
        exclude_paths = set(
            exclude_path.absolute()
            for exclude_pattern in exclude_patterns
            for exclude_path in Path(__file__).parent.rglob(exclude_pattern)
        )

        return {
            py_path.absolute(): py_path.relative_to(src_directory)
            for py_path in (src_directory / project_name).rglob("*.py")
            if py_path.absolute() not in exclude_paths
        }

    def __create_data_mapping(self) -> Dict[Path, Path]:
        if len(self.data_settings) == 0:
            return {}

        src_directory = Path(__file__).parent / "src"

        data_paths = []
        for package, resources in self.data_settings.items():
            package_path = src_directory / package.replace(".", "/")
            for data_template in resources:
                data_paths.extend(package_path.rglob(data_template))

        return {
            data_path.absolute(): data_path.relative_to(src_directory)
            for data_path in data_paths
        }

    def __create_forms_mapping(self) -> Dict[Path, Path]:
        if len(self.ui_settings) == 0:
            return {}

        ui_patterns = self.ui_settings.get("ui-files", [])
        ui_paths = [
            ui_path
            for ui_pattern in ui_patterns
            for ui_path in Path(__file__).parent.rglob(ui_pattern)
        ]

        src_directory = Path(__file__).parent / "src"

        if not self.ui_settings.get("compile", False):
            return {
                ui_file.absolute(): ui_file.relative_to(src_directory)
                for ui_file in ui_paths
            }

        prefix = self.ui_settings.get("target-prefix", "")
        suffix = self.ui_settings.get("target-suffix", "")

        result = {}
        for ui_path in ui_paths:
            py_path = with_name(ui_path, prefix, suffix, ".py")
            result[py_path.absolute()] = py_path.relative_to(src_directory)

        return result

    def __create_resources_mapping(self) -> Dict[Path, Path]:
        if len(self.qrc_settings) == 0:
            return {}

        prefix = self.qrc_settings.get("target-prefix", "")
        suffix = self.qrc_settings.get("target-suffix", "")
        qrc_patterns = self.qrc_settings.get("qrc-files", [])
        qrc_paths = [
            qrc_path
            for qrc_pattern in qrc_patterns
            for qrc_path in Path(__file__).parent.rglob(qrc_pattern)
        ]

        src_directory = Path(__file__).parent / "src"

        result = {}
        for qrc_path in qrc_paths:
            py_path = with_name(qrc_path, prefix, suffix, ".py")
            result[py_path.absolute()] = py_path.relative_to(src_directory)

        return result

    def __create_translations_mapping(self) -> Dict[Path, Path]:
        if len(self.ts_settings) == 0:
            return {}

        ts_patterns = self.ts_settings.get("ts-files", [])
        ts_paths = [
            ts_path
            for ts_pattern in ts_patterns
            for ts_path in Path(__file__).parent.rglob(ts_pattern)
        ]

        src_directory = Path(__file__).parent / "src"

        result = {}
        for ts_path in ts_paths:
            qm_file = ts_path.with_suffix(".qm")
            result[qm_file.absolute()] = qm_file.relative_to(src_directory)

        return result

    def __update_generated_file(self, file_path: Path) -> None:
        assert file_path.suffix == ".py"
        content = file_path.read_text(encoding="utf-8")
        file_path.write_text(content.replace("from PyQt5", "from qgis.PyQt"))

    def __profile_path(self, qgis: str, profile: Optional[str]) -> Path:
        system = platform.system()

        if qgis == "Vanilla":
            qgis_profiles = Path("QGIS/QGIS3/profiles")
        elif qgis == "NextGIS":
            qgis_profiles = Path("NextGIS/ngqgis/profiles")
        else:
            raise RuntimeError(f"Unknown QGIS: {qgis}")

        if system == "Linux":
            profiles_path = (
                Path("~/.local/share/").expanduser() / qgis_profiles
            )

        elif system == "Windows":
            appdata = os.getenv("APPDATA")
            assert appdata is not None
            profiles_path = Path(appdata) / qgis_profiles

        elif system == "Darwin":  # macOS
            profiles_path = (
                Path("~/Library/Application Support/").expanduser()
                / qgis_profiles
            )

        else:
            raise OSError(f"Unsupported OS: {system}")

        if not profiles_path.exists():
            raise FileExistsError(
                f"Profiles path for {qgis} QGIS is not exists"
            )

        profiles: List[str] = []
        for path in profiles_path.glob("*"):
            if path.is_dir():
                profiles.append(path.name)

        if profile is not None and profile not in profiles:
            print(f'Warning: profile "{profile}"" is not found\n')
            profile = None

        if profile is None:
            profiles_ini_path = profiles_path / "profiles.ini"
            if not profiles_ini_path.exists():
                raise FileExistsError("profiles.ini is not exists")

            profiles_ini = ConfigParser()
            profiles_ini.read(profiles_ini_path)

            default_profile = profiles_ini.get(
                "core", "defaultProfile", fallback=None
            )

            if len(profiles) == 0:
                raise RuntimeError("There are no QGIS profiles")

            elif len(profiles) == 1:
                profile = profiles[0]

            else:
                print(f":: {len(profiles)} profiles found")
                for i, found_profile in enumerate(profiles, start=1):
                    print(f"{i:2} {found_profile}")
                print()

                default_profile_index = -1
                default_text = ""
                if default_profile in profiles:
                    default_profile_index = profiles.index(default_profile)
                    default_text = f" [default is {default_profile_index + 1}]"

                choosen_index = input(
                    f":: Choose QGIS profile{default_text}: "
                )
                print()
                if choosen_index.strip() == "":
                    choosen_index = default_profile_index + 1

                choosen_index = int(choosen_index)
                if choosen_index < 1 or choosen_index > len(profiles):
                    raise ValueError

                profile = profiles[choosen_index - 1]

        return profiles_path / profile

    def __uninstall_plugin(self, path: Path) -> None:
        if path.is_symlink():
            path.unlink()
        elif path.is_dir():
            shutil.rmtree(path)


def create_parser():
    parser = argparse.ArgumentParser(description="QGIS plugins build tool")

    subparsers = parser.add_subparsers(
        dest="command", required=True, help="Available commands"
    )

    # bootstrap command
    parser_bootstrap = subparsers.add_parser(
        "bootstrap", help="Bootstrap the plugin"
    )
    parser_bootstrap.add_argument(
        "--ts",
        dest="compile_ts",
        default=None,
        action="store_true",
        help="Compile only translations",
    )
    parser_bootstrap.add_argument(
        "--ui",
        dest="compile_ui",
        default=None,
        action="store_true",
        help="Compile only forms",
    )
    parser_bootstrap.add_argument(
        "--qrc",
        dest="compile_qrc",
        default=None,
        action="store_true",
        help="Compile only resources",
    )

    # build command
    subparsers.add_parser("build", help="Build the plugin")

    # install command
    parser_install = subparsers.add_parser(
        "install", help="Install the plugin"
    )
    parser_install.add_argument(
        "--qgis",
        default="Vanilla",
        choices=["Vanilla", "NextGIS"],
        help="QGIS build",
    )
    parser_install.add_argument(
        "--profile", default=None, help="QGIS profile name"
    )
    parser_install.add_argument(
        "--editable", action="store_true", help="Install in editable mode"
    )
    parser_install.add_argument(
        "--force", action="store_true", help="Reinstall if installed"
    )

    # uninstall command
    parser_uninstall = subparsers.add_parser(
        "uninstall", help="Uninstall the project"
    )
    parser_uninstall.add_argument(
        "--qgis",
        default="Vanilla",
        choices=["Vanilla", "NextGIS"],
        help="QGIS build",
    )
    parser_uninstall.add_argument(
        "--profile", default=None, help="QGIS profile name"
    )

    # clean command
    subparsers.add_parser("clean", help="Clean compiled files")

    # update_ts command
    subparsers.add_parser("update_ts", help="Update translations")

    return parser


def main() -> None:
    parser = create_parser()
    args = parser.parse_args()

    builder = QgisPluginBuilder()

    try:
        if args.command == "bootstrap":
            builder.bootstrap(
                compile_ui=args.compile_ui,
                compile_qrc=args.compile_qrc,
                compile_ts=args.compile_ts,
            )
        elif args.command == "build":
            builder.build()
        elif args.command == "install":
            builder.install(args.qgis, args.profile, args.editable, args.force)
        elif args.command == "uninstall":
            builder.uninstall(args.qgis, args.profile)
        elif args.command == "clean":
            builder.clean()
        elif args.command == "update_ts":
            builder.update_ts()

    except KeyboardInterrupt:
        print("\nInterrupt signal received")


if __name__ == "__main__":
    main()