macOS support

Core.py

@@ -21,21 +21,26 @@ BundledFontFamily = "Fixedsys Excelsior"
 ActiveFontFamily = BundledFontFamily  # set by ApplyAppearance, read by BuildTheme
 
 IsWindows = sys.platform == "win32"
+IsMac = sys.platform == "darwin"
+IsLinux = not IsWindows and not IsMac
 
 # Each system's own per-user folders, like SaraSuite's: ~/.config and
-# ~/.local/share on Linux, %APPDATA% and %LOCALAPPDATA% on Windows.
+# ~/.local/share on Linux, %APPDATA% and %LOCALAPPDATA% on Windows,
+# ~/Library/Application Support (both) on macOS.
 Home = Path.home()
 if IsWindows:
     ConfigHome = Path(os.environ.get("APPDATA") or Home / "AppData" / "Roaming")
     DataHome = Path(os.environ.get("LOCALAPPDATA") or Home / "AppData" / "Local")
+elif IsMac:
+    ConfigHome = DataHome = Home / "Library" / "Application Support"
 else:
     ConfigHome = Path(os.environ.get("XDG_CONFIG_HOME") or Home / ".config")
     DataHome = Path(os.environ.get("XDG_DATA_HOME") or Home / ".local" / "share")
 
 # Linux: whether systemd runs the system (and so SaraSortd's --user unit),
 # the same check as SaraSuite's. Without it (runit on Void, OpenRC, ...),
-# SaraSuite runs SaraSortd itself, the way it does on Windows (Service.py).
-HasSystemd = not IsWindows and Path("/run/systemd/system").is_dir() and shutil.which("systemctl") is not None
+# SaraSuite runs SaraSortd itself, the way it does on Windows and macOS (Service.py).
+HasSystemd = IsLinux and Path("/run/systemd/system").is_dir() and shutil.which("systemctl") is not None
 RunBySaraSuite = IsWindows or not HasSystemd
 AutostartDir = ConfigHome / "autostart"
 
@@ -157,12 +162,13 @@ class AppConfig:
     # Where SaraSuite installs SaraSortd: GlobalConf.toml and the two
     # directory config templates live in SortdConfigDir, SaraSortd.py in
     # SortdAppDir, and it runs as a systemd user unit (Linux) or a background
-    # service started from the Startup folder (Windows; see Service.py).
-    SortdConfigDir: str = (str(ConfigHome / "SaraSuite" / "SaraSortd") if IsWindows
+    # service started at login from the Startup folder (Windows) or a
+    # LaunchAgent (macOS; see Service.py).
+    SortdConfigDir: str = (str(ConfigHome / "SaraSuite" / "SaraSortd") if not IsLinux
                            else "~/.config/SaraSuite/SaraSortd")
-    SortdAppDir: str = (str(DataHome / "SaraSuite" / "Programs" / "SaraSortd" / "App") if IsWindows
+    SortdAppDir: str = (str(DataHome / "SaraSuite" / "Programs" / "SaraSortd" / "App") if not IsLinux
                         else "~/.local/share/SaraSuite/Programs/SaraSortd/App")
-    ServiceName: str = "SaraSortd" if IsWindows else "SaraSortd.service"
+    ServiceName: str = "SaraSortd.service" if IsLinux else "SaraSortd"
     # SaraSortd only reads GlobalConf.toml when it starts.
     AutoRestart: bool = True
     RefreshSeconds: int = 5  # status and log refresh on the Service page
@@ -380,6 +386,6 @@ def Heading(Text: str) -> ft.Text:
 def DisplayPath(PathText: str) -> str:
     """/home/sarah/Sorting -> ~/Sorting, for labels."""
     HomeText = str(Home)
-    if PathText == HomeText or PathText.startswith(HomeText + "/"):
+    if PathText == HomeText or PathText.startswith((HomeText + "/", HomeText + os.sep)):
         return "~" + PathText[len(HomeText):]
     return PathText

Packaging/SaraSuite/Manifest.toml

@@ -1,7 +1,7 @@
 # Kept in sync between SaraSuite/Programs/SaraSort/ and SaraSort/Packaging/SaraSuite/.
 Name = "SaraSort"
 Parent = "SaraSortd"  # a GUI for SaraSortd, listed under it
-Platforms = ["Linux", "Windows"]
+Platforms = ["Linux", "Windows", "macOS"]
 Description = "A GUI for configuring SaraSortd: a flowchart of what goes where, its service and logs, configs and templates."
 
 [Source]
@@ -31,6 +31,13 @@ Name = "SaraSort"
 Script = "Main.py"
 Icon = "assets/Icon.png"
 
+# macOS: an app bundle, ~/Applications/SaraSort.app (python Main.py, from the app folder).
+[[Shortcuts]]
+Platform = "macOS"
+Name = "SaraSort"
+Script = "Main.py"
+Icon = "assets/Icon.png"
+
 # Made by SaraSort itself: Config.toml, Layout.toml, Templates/.
 [[Leftovers]]
 Path = "{ConfigDir}"

README.md

@@ -25,7 +25,7 @@ Needs SaraSortd **7.1** or newer for arrows with their own patterns (per-entry `
   The background: Add Directory, Edit Mode, Tidy Layout, Reload.
 - **Service**: running/stopped, start/stop/restart, start on login, SaraSortd's version (and the
   SaraSuite install it came from), and its logs: its own log files, or the systemd journal (the
-  service log, where SaraSuite runs it: Windows, and Linux without systemd).
+  service log, where SaraSuite runs it: Windows, macOS, and Linux without systemd).
 - **Configs**: `GlobalConf.toml`, the two templates and every directory's own config, as a form (with
   help text, a live NewFileName preview and variable buttons) or as raw TOML. Saving only writes the
   values you changed, so SaraSortd's own NextNum/NextChar/LastFile updates aren't overwritten.

Service.py

@@ -2,19 +2,21 @@
 and its logs. SaraSortd's own log files are read from its LogDir.
 
 Linux with systemd: its systemd user unit (systemctl / journalctl).
-Windows, and Linux without systemd (runit, OpenRC, s6, ...): SaraSuite runs
+Windows, macOS, and Linux without systemd (runit, OpenRC, s6, ...): SaraSuite runs
 it itself (its Services.py), and this does the same:
 - it runs as `python ServiceRun.py SaraSortd SaraSortd.py <ConfigDir>`
   (pythonw.exe on Windows); ServiceRun.py restarts it if it fails, keeps its
   output in SaraSuite's Services folder as SaraSortd.log (the "Service log"
   here) and records its PID in SaraSortd.pid (that's how "running" is told);
-- autostart is a shortcut to that command in the Startup folder (Windows)
-  or an XDG autostart entry, ~/.config/autostart/SaraSortd.desktop (Linux).
+- autostart is a shortcut to that command in the Startup folder (Windows),
+  a LaunchAgent, ~/Library/LaunchAgents/srhtnin.SaraSortd.plist (macOS), or
+  an XDG autostart entry, ~/.config/autostart/SaraSortd.desktop (Linux).
 Unit is the systemd unit name ("SaraSortd.service"); run by SaraSuite, the
 service is called the same without ".service".
 """
 
 import os
+import plistlib
 import re
 import signal
 import subprocess
@@ -23,7 +25,7 @@ from dataclasses import dataclass
 from datetime import datetime
 from pathlib import Path
 
-from Core import AutostartDir, ChildEnvironment, ConfigHome, DataHome, IsWindows, LoadConfig, RunBySaraSuite
+from Core import AutostartDir, ChildEnvironment, ConfigHome, DataHome, Home, IsMac, IsWindows, LoadConfig, RunBySaraSuite
 
 
 @dataclass
@@ -48,7 +50,7 @@ def _Run(Arguments: list[str], Timeout: int = 15) -> subprocess.CompletedProcess
                           creationflags=_NoWindow)
 
 
-# --- Run by SaraSuite (Windows; Linux without systemd) ------------------------------------------
+# --- Run by SaraSuite (Windows; macOS; Linux without systemd) ------------------------------------------
 
 
 def _Name(Unit: str) -> str:
@@ -62,6 +64,8 @@ def _ServicesFile(Name: str, Suffix: str) -> Path:
 def _AutostartFile(Name: str) -> Path:
     if IsWindows:
         return ConfigHome / "Microsoft" / "Windows" / "Start Menu" / "Programs" / "Startup" / f"{Name}.lnk"
+    if IsMac:
+        return Home / "Library" / "LaunchAgents" / f"srhtnin.{Name}.plist"
     return AutostartDir / f"{Name}.desktop"
 
 
@@ -85,6 +89,11 @@ def _Pid(Name: str) -> str:
         Pid = int(_ServicesFile(Name, ".pid").read_text().strip())
     except (OSError, ValueError):
         return ""
+    if IsMac:  # no /proc: ask ps for its command line
+        try:
+            return str(Pid) if "ServiceRun.py" in _Run(["ps", "-o", "command=", "-p", str(Pid)]).stdout else ""
+        except (OSError, subprocess.SubprocessError):
+            return ""
     if not IsWindows:
         try:
             return str(Pid) if b"ServiceRun.py" in Path(f"/proc/{Pid}/cmdline").read_bytes() else ""
@@ -134,6 +143,18 @@ def _AutostartEntry(Python: Path, Arguments: list[str], Name: str) -> str:
     )
 
 
+def _LaunchAgent(Python: Path, Arguments: list[str], Name: str, Folder: Path) -> bytes:
+    """The same LaunchAgent SaraSuite writes (its MacSupport.LaunchAgent)."""
+    return plistlib.dumps({
+        "Label": f"srhtnin.{Name}",
+        "ProgramArguments": [str(Python), *Arguments],
+        "WorkingDirectory": str(Folder),
+        "RunAtLoad": True,
+        "ProcessType": "Background",
+        "StandardErrorPath": str(Home / "Library" / "Logs" / f"{Name}.launchd.log"),
+    })
+
+
 def _OwnControl(Name: str, Action: str) -> str:
     Python, Arguments, Folder = _Command(Name)
     try:
@@ -169,6 +190,8 @@ def _OwnControl(Name: str, Action: str) -> str:
                 Quoted = " ".join(f'"{Item}"' if " " in Item or "\\" in Item else Item for Item in Arguments)
                 pylnk3.for_file(str(Python), str(Entry), arguments=Quoted, work_dir=str(Folder),
                                 description=f"{Name} (background service)")
+            elif IsMac:
+                Entry.write_bytes(_LaunchAgent(Python, Arguments, Name, Folder))
             else:
                 Entry.write_text(_AutostartEntry(Python, Arguments, Name))
         elif Action == "disable":

ServicePage.py

@@ -8,7 +8,7 @@ from pathlib import Path
 import flet as ft
 import tomlkit
 
-from Core import ChipButton, ChipButtonStyle, DataHome, Heading, IsWindows, Note, Palette, RunBySaraSuite
+from Core import ChipButton, ChipButtonStyle, DataHome, Heading, IsMac, IsWindows, Note, Palette, RunBySaraSuite
 from Service import Control, Journal, LogFiles, ReadTail, Status
 from Widgets import App
 
@@ -109,7 +109,7 @@ class ServicePage(ft.Column):
             Note(f"{'Service' if RunBySaraSuite else 'Unit'}: {self.App.Config.ServiceName.removesuffix('.service') if RunBySaraSuite else self.App.Config.ServiceName}"),
             Note(f"Since: {Current.Since or '-'}"),
             Note(f"PID: {Current.Pid or '-'}"),
-            Note(f"{'Autostart (Startup folder)' if IsWindows else 'Autostart (at login)' if RunBySaraSuite else 'Unit file'}: {Current.Enabled}"),
+            Note(f"{'Autostart (Startup folder)' if IsWindows else 'Autostart (LaunchAgent)' if IsMac else 'Autostart (at login)' if RunBySaraSuite else 'Unit file'}: {Current.Enabled}"),
         ]
         self.StartButton.disabled = Current.Running or not Current.Found
         self.StopButton.disabled = not Current.Running

Settings.py

@@ -11,8 +11,9 @@ import flet as ft
 import tomlkit
 
 from Core import (
-    AppConfig, AvailableThemes, BundledFontFamily, ChildEnvironment, ChipButtonStyle, ExportSettings, HasSystemd,
-    Home, ImportSettings, IsWindows, LoadSharedSettings, Palette, SharedSettings,
+    AppConfig, AvailableThemes, BundledFontFamily, ChildEnvironment, ChipButtonStyle, ConfigDir, DisplayPath,
+    ExportSettings, HasSystemd, Home, ImportSettings, IsMac, IsWindows, LoadSharedSettings, Palette,
+    SharedConfigPath, SharedSettings,
 )
 from Sortd import MajorVersion, Setup, SortdError
 from SortdTransfer import ApplyBundle, Bundle, BundleDirectories, ExportSortd, MissingDirectories, ReadBundleSafely
@@ -56,11 +57,58 @@ def _WindowsFonts() -> set[str]:
     return Families
 
 
+def _MacFonts() -> set[str]:
+    """Font families on macOS (no fontconfig there), read from the font files'
+    name tables in the system, shared and personal Fonts folders. The
+    typographic family (name ID 16) where there is one, else ID 1."""
+    import struct
+
+    Families: set[str] = set()
+    for Folder in (Path("/System/Library/Fonts"), Path("/Library/Fonts"), Path.home() / "Library" / "Fonts"):
+        if not Folder.is_dir():
+            continue
+        for FilePath in Folder.rglob("*"):
+            if FilePath.suffix.lower() not in (".ttf", ".otf", ".ttc"):
+                continue
+            try:
+                Data = FilePath.read_bytes()
+            except OSError:
+                continue
+            Offsets = [0]
+            if Data[:4] == b"ttcf":  # a collection: every font in it
+                Count = struct.unpack_from(">I", Data, 8)[0]
+                Offsets = list(struct.unpack_from(f">{Count}I", Data, 12))
+            for Offset in Offsets:
+                try:
+                    for Index in range(struct.unpack_from(">H", Data, Offset + 4)[0]):
+                        Tag, _Sum, Start, _Length = struct.unpack_from(">4sIII", Data, Offset + 12 + Index * 16)
+                        if Tag != b"name":
+                            continue
+                        _Format, Count, Strings = struct.unpack_from(">HHH", Data, Start)
+                        Found: dict[int, str] = {}
+                        for Record in range(Count):
+                            PlatformId, _Encoding, Language, NameId, Length, At = struct.unpack_from(
+                                ">6H", Data, Start + 6 + Record * 12)
+                            if NameId not in (1, 16) or NameId in Found:
+                                continue
+                            Raw = Data[Start + Strings + At:Start + Strings + At + Length]
+                            if PlatformId in (0, 3):
+                                Found[NameId] = Raw.decode("utf-16-be", "replace")
+                            elif PlatformId == 1 and Language == 0:
+                                Found[NameId] = Raw.decode("mac-roman", "replace")
+                        Name = (Found.get(16) or Found.get(1) or "").strip()
+                        if Name and not Name.startswith("."):  # ".SF NS" and co. are system-internal
+                            Families.add(Name)
+                except struct.error:
+                    continue
+    return Families
+
+
 def _Fonts() -> list[str]:
-    """Installed font families (fontconfig, or the registry on Windows), with
-    the bundled font first."""
-    if IsWindows:
-        Families = _WindowsFonts()
+    """Installed font families (fontconfig, the registry on Windows, the font
+    files themselves on macOS), with the bundled font first."""
+    if IsWindows or IsMac:
+        Families = _WindowsFonts() if IsWindows else _MacFonts()
         Families.discard(BundledFontFamily)
         return [BundledFontFamily] + sorted(Families, key=str.lower)
     try:
@@ -240,7 +288,7 @@ def ShowSettingsDialog(TheApp: App, OnSaved: Callable[[], None]) -> None:
     Categories: dict[str, ft.Control] = {
         "SaraSuite": ft.Column(
             [
-                _Note("Shared by every SaraSuite program (~/.config/SaraSuite/Config.toml). "
+                _Note(f"Shared by every SaraSuite program ({DisplayPath(str(SharedConfigPath))}). "
                       "Other programs pick changes up the next time they start."),
                 UseSharedSwitch,
                 ft.Divider(height=1, color=Palette.Surface1),
@@ -398,7 +446,7 @@ def ShowSortdImportDialog(TheApp: App, TheBundle: Bundle, OnDone: Callable[[], N
               + (f", made {TheBundle.Exported.replace('T', ' ')}" if TheBundle.Exported else "") + "."),
         ft.Text(f"This replaces SaraSortd's configs in {Config.SortdConfigDir} and in {Total} "
                 f"director{'y' if Total == 1 else 'ies'}. The current ones are backed up to "
-                "~/.config/SaraSuite/SaraSort/Backups/ first.", size=13),
+                f"{DisplayPath(str(ConfigDir / 'Backups'))} first.", size=13),
     ]
     try:
         Daemon = Setup(Config).DaemonVersion()

TemplatesPage.py

@@ -5,7 +5,7 @@ import os
 
 import flet as ft
 
-from Core import ChipButton, DisplayPath, Heading, Note, Palette
+from Core import ChipButton, DisplayPath, Heading, Note, Palette, UserTemplatesDir
 from Templates import AllTemplates, DeleteUserTemplate, SaveUserTemplate, SortTemplate
 from Widgets import App, DirField, ExpandPath, NameField
 
@@ -26,7 +26,7 @@ class TemplatesPage(ft.Column):
                 padding=ft.Padding.only(left=16, right=16, top=12, bottom=4),
             ),
             ft.Container(Note("Pick one, choose where files come from and where they go. "
-                              "Your own templates live in ~/.config/SaraSuite/SaraSort/Templates/."),
+                              f"Your own templates live in {DisplayPath(str(UserTemplatesDir))}."),
                          padding=ft.Padding.only(left=16, bottom=8)),
             ft.Divider(height=1, color=Palette.Surface1),
             ft.Container(ft.Column([self.Grid], scroll=ft.ScrollMode.AUTO, expand=True), padding=16, expand=True),

Widgets.py

@@ -7,7 +7,7 @@ from typing import Callable, Optional
 
 import flet as ft
 
-from Core import AppConfig, ChildEnvironment, ChipButton, IsWindows, Note, NotificationStyle, Palette
+from Core import AppConfig, ChildEnvironment, ChipButton, IsMac, IsWindows, Note, NotificationStyle, Palette
 from Service import RestartIfRunning
 from Sortd import Setup, SortdError
 
@@ -72,7 +72,7 @@ class App:
             if IsWindows:
                 os.startfile(PathText)  # Explorer
             else:
-                subprocess.Popen(["xdg-open", PathText], env=ChildEnvironment(), start_new_session=True)
+                subprocess.Popen(["open" if IsMac else "xdg-open", PathText], env=ChildEnvironment(), start_new_session=True)
         except OSError as Error:
             self.Notify(f"Couldn't open {PathText}: {Error}", "error")