Comments (27)
Happy to note that the upstream bug has now been fixed. I will make a new release of PSUtils as soon as they do!
from psutils.
pip install --upgrade pypdf
.
from psutils.
There were no instructions about it in the README, so I thought the update would have been bundled/compiled in to your release.
When you install with
pip
, it will automatically install the required deps. If you run from a git checkout, it's up to you to install the deps, sorry! I don't cover this in the README because it's not PSUtils-specific, this is just how Python/pip works, and as with many other details, I don't have the time and space to repeat the documentation.
Gotcha.
I've now tried pip install --upgrade pspdfutils
. That's done the right thing, and I can see man pages as well.
from psutils.
And I simply can't get pstops
to operate like I think it should:
pstops "2:0(0,0),1U(1w,1h)" nup-out.pdf > book.pdf
This gives me pstops: cannot open input file 2:0(0,0),1U(1w,1h)
error.
Sorry if this is just basic user error.
from psutils.
I'm sorry you're having trouble with PSUtils. To take your points in order:
- man pages: as far as I know, they are installed properly when the package is installed via pip, so this sounds like a problem with the brew packaging, and you should report it to brew.
- I can reproduce this with a PDF file: it seems that pypdf isn't happy writing directly to standard output. I'll look into it. In the mean time, you can work around the problem by always specifying an output file.
pstops
now requires-S
or--specs
before the the page specifications. I knew this was a backwards incompatibility; what I had forgotten is that old PSUtils (the C version) does not even allow an option before thespecs
argument, instead requiring it (it's a mandatory argument). I shall restore backwards compatibility.
from psutils.
By the way, a workaround for the missing man pages: the output of --help
is much more detailed than it used to be, and the man pages are now largely automatically generated from this output.
from psutils.
Thanks for the very quick response.
- Right: is there a separate brew maintainer for your package?
- I'd tried specifying an output file too. This gives much longer error, culminating with
RecursionError: maximum recursion depth exceeded
. - Thanks. Without psnup working I can't get to test this.
I'd tried pnsup -h
just not psnup --help
! That does indeed help.
from psutils.
1. Right: is there a separate brew maintainer for your package?
Yes, I only package PSUtils for PyPI.
2. I'd tried specifying an output file too. This gives much longer error, culminating with `RecursionError: maximum recursion depth exceeded`.
I can't reproduce this, so sounds like it's file-specific; please can you supply a failing test case? Or failing that, some of the traceback; presumably it's obvious whether the recursion is in psutils or pypdf?
from psutils.
I've fixed the two bugs you uncovered in git. If you can test from git (see README.md
) I'd be most grateful. In any case, I'll make a new release soon.
from psutils.
OK, I've tried this, and psnup is failing in a different way.
Steps:
- Failed to build libpaper -- see separate issue on that project
- In the source directory: python -m build. This reported successful build of 2 projects.
PYTHONPATH=. python -m psutils.command.psbook test.pdf testbook.pdf
. As before, ran OK producing 12 pages.PYTHONPATH=. python -m psutils.command.psnup -2 testbook.pdf
. Failed with new error that recursed. That starts:
[1,2] [3,4] [5,6] [7,8] Traceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/command/psnup.py", line 312, in <module>
psnup()
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/command/psnup.py", line 306, in psnup
transform.transform_pages(
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/transformers.py", line 133, in transform_pages
transform_pages(pagerange, odd, even, reverse)
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/transformers.py", line 122, in transform_pages
self.write_page(
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/transformers.py", line 456, in write_page
outpdf_page.merge_transformed_page(self.reader.pages[real_page], t)
File "/usr/local/lib/python3.11/site-packages/pypdf/_page.py", line 1370, in merge_transformed_page
self._merge_page(
File "/usr/local/lib/python3.11/site-packages/pypdf/_page.py", line 1071, in _merge_page
return self._merge_page_writer(
^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/_page.py", line 1224, in _merge_page_writer
aa = a.clone(
^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_base.py", line 295, in clone
obj.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
Only show lines that have been added/removed/modified.
[1,2] [3,4] [5,6] [7,8] Traceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/command/psnup.py", line 312, in <module>
psnup()
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/command/psnup.py", line 306, in psnup
transform.transform_pages(
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/transformers.py", line 133, in transform_pages
transform_pages(pagerange, odd, even, reverse)
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/transformers.py", line 122, in transform_pages
self.write_page(
File "/Users/jonathan/Downloads/PSUtils-test/psutils/psutils/transformers.py", line 456, in write_page
outpdf_page.merge_transformed_page(self.reader.pages[real_page], t)
File "/usr/local/lib/python3.11/site-packages/pypdf/_page.py", line 1370, in merge_transformed_page
self._merge_page(
File "/usr/local/lib/python3.11/site-packages/pypdf/_page.py", line 1071, in _merge_page
return self._merge_page_writer(
^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/_page.py", line 1224, in _merge_page_writer
aa = a.clone(
^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_base.py", line 295, in clone
obj.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_base.py", line 295, in clone
obj.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_base.py", line 295, in clone
obj.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
My test file, generated by Typst (an emerging replacement for LaTeX) is:
test.pdf
from psutils.
Thanks for this. Re libpaper, you should be able to install that with brew, no need to install it from source.
I can reproduce the crash with your test file, many thanks. I'll look into it.
from psutils.
The endless recursion is inside pyPDF, so it looks like a pyPDF bug; I'll see if I can work up a suitable issue report for that project.
from psutils.
A workaround in cases like this: convert your PDF to PostScript with ps2pdf
, then do the operations on the PostScript file, then convert the result back to PDF with pdf2ps
. Certainly works fine in this case, and in general the PostScript code is much simpler and less likely to suffer this sort of problem. It's also entirely within the PSUtils project, so I can fix it if there are bugs!
from psutils.
[Apologies, I accidentally edited this comment instead of quote-replying. I have tried to restore it as it was.—@rrthomas]
Thanks for this. Re libpaper, you should be able to install that with brew, no need to install it from source.
Confirmed I can install that way. The README doesn't mention the brew option, AFAICS.
A workaround in cases like this: convert your PDF to PostScript with ps2pdf, then do the operations on the PostScript file, then convert the result back to PDF with pdf2ps. Certainly works fine in this case, and in general the PostScript code is much simpler and less likely to suffer this sort of problem. It's also entirely within the PSUtils project, so I can fix it if there are bugs!
Nice.
This works, with the following caveats:
- all pdf2ps and ps2pdf operations take about 8 secs to run: is that to be expected, or is it a likely indicator of poor PDF generation? Also the file size goes from 73KB (PDF) to 9.5MB (PS) in the first step.
- the
psnup -2 testbook.ps testnup.ps
stage is clipping the text from the previous stage. In more detail the 'top edge' is clipped, and as far as I can see its writing more to 'US letter' size than A4, even when I try it withpsnup -2 -p a4 testbook.ps testnup.ps
orpsnup -2 -P a4 testbook.ps testnup.ps
.
I confirm the testbook.ps
appears to be A4 dimensions.
from psutils.
Confirmed I can install that way. The README doesn't mention the brew option, AFAICS.
Indeed, I can't control/track downstream packages.
all pdf2ps and ps2pdf operations take about 8 secs to run: is that to be expected, or is it a likely indicator of poor PDF generation? Also the file size goes from 73KB (PDF) to 9.5MB (PS) in the first step.
That's a hazard of conversion.
the
psnup -2 testbook.ps testnup.ps
stage is clipping the text from the previous stage.
You can try setting the page size explicitly: psutils tries to read the page size from the PostScript, but may not succeed.
from psutils.
Another tip: I accidentally discovered that I was using pdftops
and pstopdf
(sic), from poppler, not pdf2ps
and ps2pdf
from GhostScript. They seem to work faster, produce smaller files, and preserve the page size!
from psutils.
You can try setting the page size explicitly: psutils tries to read the page size from the PostScript, but may not succeed.
I did, as I showed above: "the psnup -2 testbook.ps testnup.ps
stage is clipping the text from the previous stage. In more detail the 'top edge' is clipped, and as far as I can see its writing more to 'US letter' size than A4, even when I try it with psnup -2 -p a4 testbook.ps testnup.ps
or psnup -2 -P a4 testbook.ps testnup.ps
."
Or is there a different way to "set page size explicitly"?
More to the point, psbook seems to be detecting and keeping A4 size, but psnup seems not to be, from the output of psbook.
I accidentally discovered that I was using pdftops and pstopdf (sic), from poppler, not pdf2ps and ps2pdf from GhostScript. They seem to work faster, produce smaller files, and preserve the page size!
Sorry, I can't tell which you find to be the faster: gs or poppler?
from psutils.
You can try setting the page size explicitly: psutils tries to read the page size from the PostScript, but may not succeed.
I did, as I showed above
Sorry, I didn't read your message carefully enough. However, you might well need to set both input and output page size to get it to work.
I accidentally discovered that I was using pdftops and pstopdf (sic), from poppler, not pdf2ps and ps2pdf from GhostScript. They seem to work faster, produce smaller files, and preserve the page size!
Sorry, I can't tell which you find to be the faster: gs or poppler?
Poppler.
from psutils.
Thanks.
However, you might well need to set both input and output page size to get [page size detection] to work.
psnup -2 -P a4 -p a4 testbook.ps testnup.ps
also shows the same clipping, when viewed in gs.
Incidentally, psbook seems to be detecting and keeping A4 size, but psnup seems not to be ... (I've not got as far as pstops.)
from psutils.
Incidentally, psbook seems to be detecting and keeping A4 size, but psnup seems not to be ... (I've not got as far as pstops.)
If you could make a separate bug report for this issue, that would be super!
from psutils.
I have retitled this bug to track the pypdf bug.
from psutils.
Thanks. Here are my test findings (still on macOS 13.5.2 and python 3.11.4):
- Builds OK.
PYTHONPATH=. python -m psutils.command.psnup -v
→ psnup.py 3.3.0PYTHONPATH=. python -m psutils.command.psbook -v
→ psbook.py 3.3.0PYTHONPATH=. python -m psutils.command.psnup -v test.pdf testbook.pdf
→ 12 pages as expected OK.PYTHONPATH=. python -m psutils.command.psnup -2 testbook.pdf testnup.pdf
→ "RecursionError: maximum recursion depth exceeded in comparison" again. The full log is mostly repeats of this:
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_base.py", line 295, in clone
obj.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 197, in clone
d__._clone(self, pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 297, in _clone
v.clone(pdf_dest, force_duplicate, ignore_fields)
File "/usr/local/lib/python3.11/site-packages/pypdf/generic/_data_structures.py", line 115, in clone
arr.append(data.clone(pdf_dest, force_duplicate, ignore_fields))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
from psutils.
Looks like you're not using pypdf 3.16. Also, you have a psnup
command that simply prints the version of psnup
where I'm expecting a psbook
command. I confirm that it works fine for me with PSUtils 3.3.0 and the following commands, with your test.pdf
as attached to this issue report:
$ PYTHONPATH=. python -m psutils.command.psbook test.pdf testbook.pdf
[*] [1] [2] [*] [10] [3] [4] [9] [8] [5] [6] [7]
Wrote 12 pages
$ PYTHONPATH=. python -m psutils.command.psnup -2 testbook.pdf testnup.pdf
[1,2] [3,4] [5,6] [7,8] [9,10] [11,12]
Wrote 6 pages
from psutils.
There were no instructions about it in the README, so I thought the update would have been bundled/compiled in to your release.
When you install with pip
, it will automatically install the required deps. If you run from a git checkout, it's up to you to install the deps, sorry! I don't cover this in the README because it's not PSUtils-specific, this is just how Python/pip works, and as with many other details, I don't have the time and space to repeat the documentation.
In the meantime I'd tried the PS route (which I think doesn't use that).
PYTHONPATH=. python -m psutils.command.psnup -2 testbook.ps testnup.ps
→ wrote 6 pages. Shows same clipping as before.
Again, works fine for me. If you'd like to pursue this one, please comment on issue #58.
from psutils.
pip install pypdf
→ "Requirement already satisfied: pypdf in /usr/local/lib/python3.11/site-packages (3.15.2)"
How can I force it to get 3.16?
(Apologies again for not knowing python infrastructure well.)
from psutils.
Phew. That's done the trick. The pdf route is now producing the file I was hoping for.
Thanks for persisting to get this sorted out.
Great! Happy to help, and a pypdf contributor did the crucial work here, along with you by reporting the bug in the first place.
from psutils.
Yes, I was just about to point out that to test a release, best to let pip
handle the whole thing!
from psutils.
Related Issues (20)
- psnup -p a4 → Use of uninitialized value in subroutine entry at /usr/share/psutils/PSUtils.pm line 80/81 HOT 2
- psbook: Explanation of “signature” and printing unclear HOT 1
- Reconsider command-line interface (and if we change it, rename "pageutils") HOT 2
- Translate README to Markdown
- Add and check stderr output for all tests HOT 2
- Translate test scripts to POSIX sh
- pstops: does combined flip and scale work? HOT 1
- Make PyPI release HOT 2
- missing test dependencies? HOT 9
- tag mismatch HOT 3
- Does not support Python 3.8 HOT 8
- 3.0.8 release was not completed? HOT 2
- psnup not honouring page size? HOT 11
- psnup with output page size set to tabloid produces bad results HOT 12
- Optionally read `BoundingBox` as paper size HOT 3
- Use image comparison for PDF tests
- Error with pstops using manpage examples HOT 10
- Name confusion: is it PSUtils or PSPDFUtils? HOT 2
- Unneeded warning message about paper size when used with a2ps (fixps) and troff files HOT 5
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from psutils.