Move STANDARD_WIDTHS to own file

py-pdf · Jan 9, 2024 · f43201a · f43201a
1 parent 06e79d3
commit f43201a
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Showing 2 changed files with 209 additions and 210 deletions.
diff --git a/pypdf/_text_extraction/_layout_mode/_font.py b/pypdf/_text_extraction/_layout_mode/_font.py
@@ -4,6 +4,7 @@
 from typing import Any, Dict, Sequence, Union
 
 from ...generic import IndirectObject
+from ._font_widths import STANDARD_WIDTHS
 
 
 @dataclass
@@ -109,213 +110,3 @@ def to_dict(font_instance: "Font") -> Dict[str, Any]:
         return {
             k: getattr(font_instance, k) for k in font_instance.__dataclass_fields__
         }
-
-
-# Widths for the standard 14 fonts as described on page 416 of the PDF 1.7 standard
-STANDARD_WIDTHS = {
-    "Helvetica": {  # 4 fonts, includes bold, oblique and boldoblique variants
-        " ": 278,
-        "!": 278,
-        '"': 355,
-        "#": 556,
-        "$": 556,
-        "%": 889,
-        "&": 667,
-        "'": 191,
-        "(": 333,
-        ")": 333,
-        "*": 389,
-        "+": 584,
-        ",": 278,
-        "-": 333,
-        ".": 278,
-        "/": 278,
-        "0": 556,
-        "1": 556,
-        "2": 556,
-        "3": 556,
-        "4": 556,
-        "5": 556,
-        "6": 556,
-        "7": 556,
-        "8": 556,
-        "9": 556,
-        ":": 278,
-        ";": 278,
-        "<": 584,
-        "=": 584,
-        ">": 584,
-        "?": 611,
-        "@": 975,
-        "A": 667,
-        "B": 667,
-        "C": 722,
-        "D": 722,
-        "E": 667,
-        "F": 611,
-        "G": 778,
-        "H": 722,
-        "I": 278,
-        "J": 500,
-        "K": 667,
-        "L": 556,
-        "M": 833,
-        "N": 722,
-        "O": 778,
-        "P": 667,
-        "Q": 944,
-        "R": 667,
-        "S": 667,
-        "T": 611,
-        "U": 278,
-        "V": 278,
-        "W": 584,
-        "X": 556,
-        "Y": 556,
-        "Z": 500,
-        "[": 556,
-        "\\": 556,
-        "]": 556,
-        "^": 278,
-        "_": 278,
-        "`": 278,
-        "a": 278,
-        "b": 278,
-        "c": 333,
-        "d": 556,
-        "e": 556,
-        "f": 556,
-        "g": 556,
-        "h": 556,
-        "i": 556,
-        "j": 556,
-        "k": 556,
-        "l": 556,
-        "m": 556,
-        "n": 278,
-        "o": 278,
-        "p": 556,
-        "q": 556,
-        "r": 500,
-        "s": 556,
-        "t": 556,
-        "u": 278,
-        "v": 500,
-        "w": 500,
-        "x": 222,
-        "y": 222,
-        "z": 556,
-        "{": 222,
-        "|": 833,
-        "}": 556,
-        "~": 556,
-    },
-    "Times": {  # 4 fonts, includes bold, oblique and boldoblique variants
-        " ": 250,
-        "!": 333,
-        '"': 408,
-        "#": 500,
-        "$": 500,
-        "%": 833,
-        "&": 778,
-        "'": 180,
-        "(": 333,
-        ")": 333,
-        "*": 500,
-        "+": 564,
-        ",": 250,
-        "-": 333,
-        ".": 250,
-        "/": 564,
-        "0": 500,
-        "1": 500,
-        "2": 500,
-        "3": 500,
-        "4": 500,
-        "5": 500,
-        "6": 500,
-        "7": 500,
-        "8": 500,
-        "9": 500,
-        ":": 278,
-        ";": 278,
-        "<": 564,
-        "=": 564,
-        ">": 564,
-        "?": 444,
-        "@": 921,
-        "A": 722,
-        "B": 667,
-        "C": 667,
-        "D": 722,
-        "E": 611,
-        "F": 556,
-        "G": 722,
-        "H": 722,
-        "I": 333,
-        "J": 389,
-        "K": 722,
-        "L": 611,
-        "M": 889,
-        "N": 722,
-        "O": 722,
-        "P": 556,
-        "Q": 722,
-        "R": 667,
-        "S": 556,
-        "T": 611,
-        "U": 722,
-        "V": 722,
-        "W": 944,
-        "X": 722,
-        "Y": 722,
-        "Z": 611,
-        "[": 333,
-        "\\": 278,
-        "]": 333,
-        "^": 469,
-        "_": 500,
-        "`": 333,
-        "a": 444,
-        "b": 500,
-        "c": 444,
-        "d": 500,
-        "e": 444,
-        "f": 333,
-        "g": 500,
-        "h": 500,
-        "i": 278,
-        "j": 278,
-        "k": 500,
-        "l": 278,
-        "m": 722,
-        "n": 500,
-        "o": 500,
-        "p": 500,
-        "q": 500,
-        "r": 333,
-        "s": 389,
-        "t": 278,
-        "u": 500,
-        "v": 444,
-        "w": 722,
-        "x": 500,
-        "y": 444,
-        "z": 389,
-        "{": 348,
-        "|": 220,
-        "}": 348,
-        "~": 469,
-    },
-}
-STANDARD_WIDTHS[
-    "Courier"
-] = {  # 4 fonts, includes bold, oblique and boldoblique variants
-    c: 600 for c in STANDARD_WIDTHS["Times"]  # fixed width
-}
-STANDARD_WIDTHS["ZapfDingbats"] = {c: 1000 for c in STANDARD_WIDTHS["Times"]}  # 1 font
-STANDARD_WIDTHS["Symbol"] = {c: 500 for c in STANDARD_WIDTHS["Times"]}  # 1 font
-# add aliases per table H.3 on page 1110 of the PDF 1.7 standard
-STANDARD_WIDTHS["CourierNew"] = STANDARD_WIDTHS["Courier"]
-STANDARD_WIDTHS["Arial"] = STANDARD_WIDTHS["Helvetica"]
-STANDARD_WIDTHS["TimesNewRoman"] = STANDARD_WIDTHS["Times"]