binance: add `Pair.opoAllowed` field

Handle new API field per 2025-12-02 update.

(this patch was generated in some part by [`claude-code`][claude-code-gh])
[claude-code-gh]: https://github.com/anthropics/claude-code

default.nix

@@ -11,11 +11,12 @@ let
   libxkbcommonStorePath = lib.getLib libxkbcommon;
   xcbutilcursorStorePath = lib.getLib xcb-util-cursor;
 
-  qtpyStorePath = lib.getLib python312Packages.qtpy;
+  pypkgs = python313Packages;
-  pyqt6StorePath = lib.getLib python312Packages.pyqt6;
+  qtpyStorePath = lib.getLib pypkgs.qtpy;
-  pyqt6SipStorePath = lib.getLib python312Packages.pyqt6-sip;
+  pyqt6StorePath = lib.getLib pypkgs.pyqt6;
-  rapidfuzzStorePath = lib.getLib python312Packages.rapidfuzz;
+  pyqt6SipStorePath = lib.getLib pypkgs.pyqt6-sip;
-  qdarkstyleStorePath = lib.getLib python312Packages.qdarkstyle;
+  rapidfuzzStorePath = lib.getLib pypkgs.rapidfuzz;
+  qdarkstyleStorePath = lib.getLib pypkgs.qdarkstyle;
 
   xorgLibX11StorePath = lib.getLib xorg.libX11;
   xorgLibxcbStorePath = lib.getLib xorg.libxcb;
@@ -51,12 +52,12 @@ stdenv.mkDerivation {
     xorg.xcbutilrenderutil
 
     # Python requirements.
-    python312Full
+    python313
-    python312Packages.uv
+    uv
-    python312Packages.qdarkstyle
+    pypkgs.qdarkstyle
-    python312Packages.rapidfuzz
+    pypkgs.rapidfuzz
-    python312Packages.pyqt6
+    pypkgs.pyqt6
-    python312Packages.qtpy
+    pypkgs.qtpy
   ];
   src = null;
   shellHook = ''
@@ -113,11 +114,11 @@ stdenv.mkDerivation {
 
     export LD_LIBRARY_PATH
 
-    RPDFUZZ_PATH="${rapidfuzzStorePath}/lib/python3.12/site-packages"
+    RPDFUZZ_PATH="${rapidfuzzStorePath}/lib/python3.13/site-packages"
-    QDRKSTYLE_PATH="${qdarkstyleStorePath}/lib/python3.12/site-packages"
+    QDRKSTYLE_PATH="${qdarkstyleStorePath}/lib/python3.13/site-packages"
-    QTPY_PATH="${qtpyStorePath}/lib/python3.12/site-packages"
+    QTPY_PATH="${qtpyStorePath}/lib/python3.13/site-packages"
-    PYQT6_PATH="${pyqt6StorePath}/lib/python3.12/site-packages"
+    PYQT6_PATH="${pyqt6StorePath}/lib/python3.13/site-packages"
-    PYQT6_SIP_PATH="${pyqt6SipStorePath}/lib/python3.12/site-packages"
+    PYQT6_SIP_PATH="${pyqt6SipStorePath}/lib/python3.13/site-packages"
 
     PATCH="$PATCH:$RPDFUZZ_PATH"
     PATCH="$PATCH:$QDRKSTYLE_PATH"
@@ -127,8 +128,8 @@ stdenv.mkDerivation {
 
     export PATCH
 
-    # Install deps
+    # install all dev and extras
-    uv lock
+    uv sync --dev --all-extras
 
   '';
 }

flake.lock

@@ -1,135 +1,24 @@
 {
   "nodes": {
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1689068808,
-        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1689068808,
-        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nix-github-actions": {
-      "inputs": {
-        "nixpkgs": [
-          "poetry2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1688870561,
-        "narHash": "sha256-4UYkifnPEw1nAzqqPOTL2MvWtm3sNGw1UTYTalkTcGY=",
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "rev": "165b1650b753316aa7f1787f3005a8d2da0f5301",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1692174805,
+        "lastModified": 1765779637,
-        "narHash": "sha256-xmNPFDi/AUMIxwgOH/IVom55Dks34u1g7sFKKebxUm0=",
+        "narHash": "sha256-KJ2wa/BLSrTqDjbfyNx70ov/HdgNBCBBSQP3BIzKnv4=",
-        "owner": "NixOS",
+        "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "caac0eb6bdcad0b32cb2522e03e4002c8975c62e",
+        "rev": "1306659b587dc277866c7b69eb97e5f07864d8c4",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
+        "owner": "nixos",
         "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "poetry2nix": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nix-github-actions": "nix-github-actions",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1692048894,
-        "narHash": "sha256-cDw03rso2V4CDc3Mll0cHN+ztzysAvdI8pJ7ybbz714=",
-        "ref": "refs/heads/pyqt6",
-        "rev": "b059ad4c3051f45d6c912e17747aae37a9ec1544",
-        "revCount": 2276,
-        "type": "git",
-        "url": "file:///home/lord_fomo/repos/poetry2nix"
-      },
-      "original": {
-        "type": "git",
-        "url": "file:///home/lord_fomo/repos/poetry2nix"
-      }
-    },
     "root": {
       "inputs": {
-        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
-        "nixpkgs": "nixpkgs",
-        "poetry2nix": "poetry2nix"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
       }
     }
   },

flake.nix

@@ -1,180 +1,95 @@
-# NOTE: to convert to a poetry2nix env like this here are the
+# An "impure" template thx to `pyproject.nix`,
-# steps:
+# https://pyproject-nix.github.io/pyproject.nix/templates.html#impure
-# - install poetry in your system nix config
+# https://github.com/pyproject-nix/pyproject.nix/blob/master/templates/impure/flake.nix
-# - convert the repo to use poetry using `poetry init`:
-#   https://python-poetry.org/docs/basic-usage/#initialising-a-pre-existing-project
-# - then manually ensuring all deps are converted over:
-# - add this file to the repo and commit it
-# - 
-
-# GROKin tips:
-# - CLI eps are (ostensibly) added via an `entry_points.txt`:
-#   - https://packaging.python.org/en/latest/specifications/entry-points/#file-format
-#   - https://github.com/nix-community/poetry2nix/blob/master/editable.nix#L49
 {
-  description = "piker: trading gear for hackers (pkged with poetry2nix)";
+  description = "An impure `piker` overlay using `uv` with Nix(OS)";
 
-  inputs.flake-utils.url = "github:numtide/flake-utils";
+  inputs = {
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-
-  # see https://github.com/nix-community/poetry2nix/tree/master#api
-  inputs.poetry2nix = {
-    # url = "github:nix-community/poetry2nix";
-    # url = "github:K900/poetry2nix/qt5-explicit-deps";
-    url = "/home/lord_fomo/repos/poetry2nix";
-
-    inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  outputs = {
+  outputs =
-    self,
+    { nixpkgs, ... }:
-    nixpkgs,
+    let
-    flake-utils,
+      inherit (nixpkgs) lib;
-    poetry2nix,
+      forAllSystems = lib.genAttrs lib.systems.flakeExposed;
-  }:
+    in
-    # TODO: build cross-OS and use the `${system}` var thingy..
+    {
-    flake-utils.lib.eachDefaultSystem (system:
+      devShells = forAllSystems (
-      let
+        system:
-        # use PWD as sources
+        let
-        projectDir = ./.;
+          pkgs = nixpkgs.legacyPackages.${system};
-        pyproject = ./pyproject.toml;
-        poetrylock = ./poetry.lock;
 
-        # TODO: port to 3.11 and support both versions?
+          # do store-path extractions
-        python = "python3.10";
+          qt6baseStorePath = lib.getLib pkgs.qt6.qtbase;
+          # ?TODO? can remove below since manual linking not needed?
+          # qt6QtWaylandStorePath = lib.getLib pkgs.qt6.qtwayland;
 
-        # for more functions and examples.
+          # XXX NOTE XXX, for now we overlay specific pkgs via
-        # inherit
+          # a major-version-pinned-`cpython`
-        # (poetry2nix.legacyPackages.${system})
+          cpython = "python313";
-        # mkPoetryApplication;
+          pypkgs = pkgs."${cpython}Packages";
-        # pkgs = nixpkgs.legacyPackages.${system};
+        in
+        {
+          default = pkgs.mkShell {
 
-        pkgs = nixpkgs.legacyPackages.x86_64-linux;
+            packages = with pkgs; [
-        lib = pkgs.lib;
+              qt6.qtwayland
-        p2npkgs = poetry2nix.legacyPackages.x86_64-linux;
+              qt6.qtbase
 
-        # define all pkg overrides per dep, see edgecases.md:
+              uv
-        # https://github.com/nix-community/poetry2nix/blob/master/docs/edgecases.md
+              python313  # ?TODO^ how to set from `cpython` above?
-        # TODO: add these into the json file:
+              pypkgs.pyqt6
-        # https://github.com/nix-community/poetry2nix/blob/master/overrides/build-systems.json
+              pypkgs.pyqt6-sip
-        pypkgs-build-requirements = {
+              pypkgs.qtpy
-          asyncvnc = [ "setuptools" ];
+              pypkgs.qdarkstyle
-          eventkit = [ "setuptools" ];
+              pypkgs.rapidfuzz
-          ib-insync = [ "setuptools" "flake8" ];
+            ];
-          msgspec = [ "setuptools"];
-          pdbp = [ "setuptools" ];
-          pyqt6-sip = [ "setuptools" ];
-          tabcompleter = [ "setuptools" ];
-          tractor = [ "setuptools" ];
-          tricycle = [ "setuptools" ];
-          trio-typing = [ "setuptools" ];
-          trio-util = [ "setuptools" ];
-          xonsh = [ "setuptools" ];
-        };
 
-        # auto-generate override entries
+            shellHook = ''
-        p2n-overrides = p2npkgs.defaultPoetryOverrides.extend (self: super:
+              # unmask to debug **this** dev-shell-hook
-          builtins.mapAttrs (package: build-requirements:
+              # set -e
-            (builtins.getAttr package super).overridePythonAttrs (old: {
-              buildInputs = (
-                old.buildInputs or [ ]
-              ) ++ (
-                builtins.map (
-                  pkg: if builtins.isString pkg then builtins.getAttr pkg super else pkg
-                  ) build-requirements
-              );
-            })
-          ) pypkgs-build-requirements
-        );
 
-        # override some ahead-of-time compiled extensions
+              # set qt-base/plugin path(s)
-        # to be built with their wheels.
+              QTBASE_PATH="${qt6baseStorePath}/lib"
-        ahot_overrides = p2n-overrides.extend(
+              QT_PLUGIN_PATH="${qt6baseStorePath}/lib/qt-6/plugins"
-          final: prev: {
+              QT_QPA_PLATFORM_PLUGIN_PATH="$QT_PLUGIN_PATH/platforms"
 
-            # llvmlite = prev.llvmlite.override {
+              # link in Qt cc lib paths from <nixpkgs>
-            #   preferWheel = false;
+              LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$QTBASE_PATH"
-            # };
+              LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$QT_PLUGIN_PATH"
+              LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$QT_QPA_PLATFORM_PLUGIN_PATH"
 
-            # TODO: get this workin with p2n and nixpkgs..
+              # link-in c++ stdlib for various AOT-ext-pkgs (numpy, etc.)
-            # pyqt6 = prev.pyqt6.override {
+              LD_LIBRARY_PATH="${pkgs.stdenv.cc.cc.lib}/lib:$LD_LIBRARY_PATH"
-            #   preferWheel = true;
-            # };
 
-            # NOTE: this DOESN'T work atm but after a fix
+              export LD_LIBRARY_PATH
-            # to poetry2nix, it will and actually this line
-            # won't be needed - thanks @k900:
-            # https://github.com/nix-community/poetry2nix/pull/1257
-            pyqt5 = prev.pyqt5.override {
-              # withWebkit = false;
-              preferWheel = true;
-            };
 
-            # see PR from @k900:
+              # RUNTIME-SETTINGS
-            # https://github.com/nix-community/poetry2nix/pull/1257
+              #
-            # pyqt5-qt5 = prev.pyqt5-qt5.override {
+              # ------ Qt ------
-            #   withWebkit = false;
+              # XXX, unmask to debug qt .so linking/loading deats
-            #   preferWheel = true;
+              # export QT_DEBUG_PLUGINS=1
-            # };
+              #
+              # ALSO, for *modern linux* DEs,
+              # - maybe set wayland-mode (TODO, parametrtize this!)
+              #  * a chosen wayland-mode shell-integration
+              export QT_QPA_PLATFORM="wayland"
+              export QT_WAYLAND_SHELL_INTEGRATION="xdg-shell"
 
-            # TODO: patch in an override for polars to build
+              # ------ uv ------
-            # from src! See the details likely needed from
+              # - always use the ./py313/ venv-subdir
-            # the cryptography entry:
+              export UV_PROJECT_ENVIRONMENT="py313"
-            # https://github.com/nix-community/poetry2nix/blob/master/overrides/default.nix#L426-L435
+              # sync project-env with all extras
-            polars = prev.polars.override {
+              uv sync --dev --all-extras
-              preferWheel = true;
-            };
-          }
-      );
 
-      # WHY!? -> output-attrs that `nix develop` scans for:
+              # ------ TIPS ------
-      # https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-develop.html#flake-output-attributes
+              # NOTE, to launch the py-venv installed `xonsh` (like @goodboy)
-      in
+              # run the `nix develop` cmd with,
-      rec {
+              # >> nix develop -c uv run xonsh
-        packages = {
+            '';
-          # piker = poetry2nix.legacyPackages.x86_64-linux.mkPoetryEditablePackage {
-          #   editablePackageSources = { piker = ./piker; };
-
-          piker = p2npkgs.mkPoetryApplication {
-            projectDir = projectDir;
-
-            # SEE ABOVE for auto-genned input set, override
-            # buncha deps with extras.. like `setuptools` mostly.
-            # TODO: maybe propose a patch to p2n to show that you
-            # can even do this in the edgecases docs?
-            overrides = ahot_overrides;
-
-            # XXX: won't work on llvmlite..
-            # preferWheels = true;
           };
-        };
+        }
-
+      );
-        # devShells.default = pkgs.mkShell {
+    };
-        #   projectDir = projectDir;
-        #   python = "python3.10";
-        #   overrides = ahot_overrides;
-        #   inputsFrom = [ self.packages.x86_64-linux.piker ];
-        #   packages = packages;
-        #   # packages = [ poetry2nix.packages.${system}.poetry ];
-        # };
-
-        # TODO: grok the difference here..
-        # - avoid re-cloning git repos on every develop entry..
-        # - ideally allow hacking on the src code of some deps
-        #   (tractor, pyqtgraph, tomlkit, etc.) WITHOUT having to
-        #   re-install them every time a change is made.
-        # - boot a usable xonsh inside the poetry virtualenv when
-        #   defined via a custom entry point?
-        devShells.default = p2npkgs.mkPoetryEnv {
-        # env = p2npkgs.mkPoetryEnv {
-            projectDir = projectDir;
-            python = pkgs.python310;
-            overrides = ahot_overrides;
-            editablePackageSources = packages;
-              # piker = "./";
-              # tractor = "../tractor/";
-            # };  # wut?
-        };
-      }
-    );  # end of .outputs scope
 }

piker/brokers/binance/venues.py

@@ -104,6 +104,9 @@ class Pair(Struct, frozen=True, kw_only=True):
     # https://developers.binance.com/docs/binance-spot-api-docs#future-changes
     pegInstructionsAllowed: bool = False
 
+    # https://developers.binance.com/docs/binance-spot-api-docs#2025-12-02
+    opoAllowed: bool = False
+
     filters: dict[
         str,
         str | int | float,
@@ -220,7 +223,10 @@ class FutesPair(Pair):
                 assert pair == self.pair  # sanity
                 return f'{expiry}'
 
-            case 'PERPETUAL':
+            case (
+                'PERPETUAL'
+                | 'TRADIFI_PERPETUAL'
+            ):
                 return 'PERP'
 
             case '':
@@ -249,7 +255,10 @@ class FutesPair(Pair):
         margin: str = self.marginAsset
 
         match ctype:
-            case 'PERPETUAL':
+            case (
+                'PERPETUAL'
+                | 'TRADIFI_PERPETUAL'
+            ):
                 return f'{margin}M'
 
             case (

piker/config.py

@@ -261,7 +261,7 @@ def load(
         MutableMapping,
     ] = tomllib.loads,
 
-    touch_if_dne: bool = False,
+    touch_if_dne: bool = True,
 
     **tomlkws,
 
@@ -270,7 +270,7 @@ def load(
     Load config file by name.
 
     If desired config is not in the top level piker-user config path then
-    pass the ``path: Path`` explicitly.
+    pass the `path: Path` explicitly.
 
     '''
     # create the $HOME/.config/piker dir if dne
@@ -285,7 +285,8 @@ def load(
 
     if (
         not path.is_file()
-        and touch_if_dne
+        and
+        touch_if_dne
     ):
         # only do a template if no path provided,
         # just touch an empty file with same name.

piker/ui/_style.py

@@ -184,22 +184,25 @@ class DpiAwareFont:
         self._font_inches = inches
         font_size = math.floor(inches * pdpi)
 
-        log.debug(
+        ftype: str = f'{type(self)!r}'
-            f"screen:{screen.name()}\n"
+        log.info(
-            f"pDPI: {pdpi}, lDPI: {ldpi}, scale: {scale}\n"
+            f'screen: {screen.name()}\n'
-            f"\nOur best guess font size is {font_size}\n"
+            f'pDPI: {pdpi!r}\n'
+            f'lDPI: {ldpi!r}\n'
+            f'scale: {scale!r}\n'
+            f'{ftype}._font_inches={self._font_inches!r}\n'
+            f'\n'
+            f"Our best guess for an auto-font-size is,\n"
+            f'font_size: {font_size!r}\n'
         )
         # apply the size
         self._set_qfont_px_size(font_size)
 
     def boundingRect(self, value: str) -> QtCore.QRectF:
-
+        if (screen := self.screen) is None:
-        screen = self.screen
-        if screen is None:
             raise RuntimeError("You must call .configure_to_dpi() first!")
 
-        unscaled_br = self._qfm.boundingRect(value)
+        unscaled_br: QtCore.QRectF = self._qfm.boundingRect(value)
-
         return QtCore.QRectF(
             0,
             0,

snippets/qt_screen_info.py

@@ -31,8 +31,8 @@ Resource list for mucking with DPIs on multiple screens:
 - https://doc.qt.io/qt-5/qguiapplication.html#screenAt
 
 '''
+import os
 
-from pyqtgraph import QtGui
 from PyQt6 import (
     QtCore,
     QtWidgets,
@@ -43,6 +43,11 @@ from PyQt6.QtCore import (
     QSize,
     QRect,
 )
+from pyqtgraph import QtGui
+
+
+# https://doc.qt.io/qt-6/highdpi.html#environment-variable-reference
+os.environ['QT_USE_PHYSICAL_DPI'] = '1'
 
 # Proper high DPI scaling is available in Qt >= 5.6.0. This attibute
 # must be set before creating the application
@@ -58,13 +63,22 @@ if hasattr(Qt, 'AA_UseHighDpiPixmaps'):
         True,
     )
 
+# NOTE, inherits `QGuiApplication`
+# https://doc.qt.io/qt-6/qapplication.html
+# https://doc.qt.io/qt-6/qguiapplication.html
 app = QtWidgets.QApplication([])
+#
+# ^TODO? various global DPI settings?
+# [ ] DPI rounding policy,
+# - https://doc.qt.io/qt-6/qt.html#HighDpiScaleFactorRoundingPolicy-enum
+# - https://doc.qt.io/qt-6/qguiapplication.html#setHighDpiScaleFactorRoundingPolicy
+
 window = QtWidgets.QMainWindow()
 main_widget = QtWidgets.QWidget()
 window.setCentralWidget(main_widget)
 window.show()
 
-pxr: float = main_widget.devicePixelRatioF()
+_main_pxr: float = main_widget.devicePixelRatioF()
 
 # explicitly get main widget and primary displays
 current_screen: QtGui.QScreen = app.screenAt(
@@ -77,7 +91,13 @@ for screen in app.screens():
     name: str = screen.name()
     model: str = screen.model().rstrip()
     size: QSize = screen.size()
-    geo: QRect = screen.availableGeometry()
+    geo: QRect = screen.geometry()
+
+    # device-pixel-ratio
+    # https://doc.qt.io/qt-6/highdpi.html
+    pxr: float = screen.devicePixelRatio()
+
+    unscaled_size: QSize = pxr * size
     phydpi: float = screen.physicalDotsPerInch()
     logdpi: float = screen.logicalDotsPerInch()
     is_primary: bool = screen is primary_screen
@@ -88,11 +108,12 @@ for screen in app.screens():
         f'|_primary: {is_primary}\n'
         f' _current: {is_current}\n'
         f' _model: {model}\n'
-        f' _screen size: {size}\n'
+        f' _size: {size}\n'
-        f' _screen geometry: {geo}\n'
+        f' _geometry: {geo}\n'
-        f' _devicePixelRationF(): {pxr}\n'
+        f' _devicePixelRatio(): {pxr}\n'
-        f' _physical dpi: {phydpi}\n'
+        f' _unscaled-size: {unscaled_size!r}\n'
-        f' _logical dpi: {logdpi}\n'
+        f' _physical-dpi: {phydpi}\n'
+        f' _logical-dpi: {logdpi}\n'
     )
 
 # app-wide font info
@@ -110,8 +131,8 @@ str_w: int = str_br.width()
 
 print(
     f'------ global font settings ------\n'
-    f'font dpi: {fontdpi}\n'
+    f'font dpi: {fontdpi!r}\n'
-    f'font height: {font_h}\n'
+    f'font height: {font_h!r}\n'
-    f'string bounding rect: {str_br}\n'
+    f'string bounding rect: {str_br!r}\n'
-    f'string width : {str_w}\n'
+    f'string width : {str_w!r}\n'
 )