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diff --git a/src/ocrmypdf/_exec/ghostscript.py b/src/ocrmypdf/_exec/ghostscript.py
index eaa48117..30201d97 100644
--- a/src/ocrmypdf/_exec/ghostscript.py
+++ b/src/ocrmypdf/_exec/ghostscript.py
@@ -31,7 +31,7 @@ COLOR_CONVERSION_STRATEGIES = frozenset(
]
)
# Ghostscript executable - gswin32c is not supported
-GS = 'gswin64c' if os.name == 'nt' else 'gs'
+GS = '@gs@'
log = logging.getLogger(__name__)
diff --git a/src/ocrmypdf/_exec/jbig2enc.py b/src/ocrmypdf/_exec/jbig2enc.py
index 1c6dd5fe..b689a091 100644
--- a/src/ocrmypdf/_exec/jbig2enc.py
+++ b/src/ocrmypdf/_exec/jbig2enc.py
@@ -15,7 +15,7 @@ from ocrmypdf.subprocess import get_version, run
def version() -> Version:
try:
- version = get_version('jbig2', regex=r'jbig2enc (\d+(\.\d+)*).*')
+ version = get_version('@jbig2@', regex=r'jbig2enc (\d+(\.\d+)*).*')
except CalledProcessError as e:
# TeX Live for Windows provides an incompatible jbig2.EXE which may
# be on the PATH.
@@ -33,7 +33,7 @@ def available():
def convert_group(cwd, infiles, out_prefix, threshold):
args = [
- 'jbig2',
+ '@jbig2@',
'-b',
out_prefix,
'--symbol-mode', # symbol mode (lossy)
@@ -50,7 +50,7 @@ def convert_group(cwd, infiles, out_prefix, threshold):
def convert_single(cwd, infile, outfile, threshold):
- args = ['jbig2', '--pdf', '-t', str(threshold), infile]
+ args = ['@jbig2@', '--pdf', '-t', str(threshold), infile]
with open(outfile, 'wb') as fstdout:
proc = run(args, cwd=cwd, stdout=fstdout, stderr=PIPE)
proc.check_returncode()
diff --git a/src/ocrmypdf/_exec/pngquant.py b/src/ocrmypdf/_exec/pngquant.py
index 5b8600d0..fcad771b 100644
--- a/src/ocrmypdf/_exec/pngquant.py
+++ b/src/ocrmypdf/_exec/pngquant.py
@@ -15,7 +15,7 @@ from ocrmypdf.subprocess import get_version, run
def version() -> Version:
- return Version(get_version('pngquant', regex=r'(\d+(\.\d+)*).*'))
+ return Version(get_version('@pngquant@', regex=r'(\d+(\.\d+)*).*'))
def available():
@@ -37,7 +37,7 @@ def quantize(input_file: Path, output_file: Path, quality_min: int, quality_max:
"""
with open(input_file, 'rb') as input_stream:
args = [
- 'pngquant',
+ '@pngquant@',
'--force',
'--skip-if-larger',
'--quality',
diff --git a/src/ocrmypdf/_exec/tesseract.py b/src/ocrmypdf/_exec/tesseract.py
index 102bdab8..bfef4400 100644
--- a/src/ocrmypdf/_exec/tesseract.py
+++ b/src/ocrmypdf/_exec/tesseract.py
@@ -95,7 +95,7 @@ class TesseractVersion(Version):
def version() -> Version:
- return TesseractVersion(get_version('tesseract', regex=r'tesseract\s(.+)'))
+ return TesseractVersion(get_version('@tesseract@', regex=r'tesseract\s(.+)'))
def has_thresholding() -> bool:
@@ -113,7 +113,7 @@ def get_languages() -> set[str]:
msg += output
return msg
- args_tess = ['tesseract', '--list-langs']
+ args_tess = ['@tesseract@', '--list-langs']
try:
proc = run(
args_tess,
@@ -135,7 +135,7 @@ def get_languages() -> set[str]:
def tess_base_args(langs: list[str], engine_mode: int | None) -> list[str]:
- args = ['tesseract']
+ args = ['@tesseract@']
if langs:
args.extend(['-l', '+'.join(langs)])
if engine_mode is not None:
diff --git a/src/ocrmypdf/_exec/unpaper.py b/src/ocrmypdf/_exec/unpaper.py
index d1165c46..7c732b15 100644
--- a/src/ocrmypdf/_exec/unpaper.py
+++ b/src/ocrmypdf/_exec/unpaper.py
@@ -48,7 +48,7 @@ class UnpaperImageTooLargeError(Exception):
def version() -> Version:
- return Version(get_version('unpaper'))
+ return Version(get_version('@unpaper@'))
@contextmanager
@@ -70,7 +70,7 @@ def _setup_unpaper_io(input_file: Path) -> Iterator[tuple[Path, Path, Path]]:
def run_unpaper(
input_file: Path, output_file: Path, *, dpi: DecFloat, mode_args: list[str]
) -> None:
- args_unpaper = ['unpaper', '-v', '--dpi', str(round(dpi, 6))] + mode_args
+ args_unpaper = ['@unpaper@', '-v', '--dpi', str(round(dpi, 6))] + mode_args
with _setup_unpaper_io(input_file) as (input_png, output_pnm, tmpdir):
# To prevent any shenanigans from accepting arbitrary parameters in
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