This has been fixed a while ago in the daily PPA package. Sadly there's no maintainer for the Debian / Ubuntu's official repositories
El 30 jun. 2017 21:15, "cub" <1574...@bugs.launchpad.net> escribió: > Apparently nobody uses qtqr (not even the developers); otherwise this > bug wouldn't have been ignored for over a year. > > How do I petition to get this broken package removed from the > distribution? > > -- > You received this bug notification because you are a member of QR Tools > Team, which is subscribed to QR Tools. > https://bugs.launchpad.net/bugs/1574162 > > Title: > qrtools.py calls tostring() instead of tobytes() > > Status in QR Tools: > New > Status in python-qrtools package in Ubuntu: > New > > Bug description: > The bug is exposed by the program qtqr, but the root cause is an > apparent mismatch between python-qrtools and python-pil that can be > fixed with a one-line patch to qrtools.py in python-qrtools. > > Below I've given the output of enough commands to fully reproduce my > setup. You can use xxd -r to create the same PNG that I used, or you > can make your own with qtqr (it won't matter). > > > $ uname -prs > Linux 4.4.0-21-generic x86_64 > > > $ lsb_release -rd > Description: Ubuntu 16.04 LTS > Release: 16.04 > > > # This is a test QR code that I created with qtqr; as seen below, the > content is just "test". > $ xxd test.png > 00000000: 8950 4e47 0d0a 1a0a 0000 000d 4948 4452 .PNG........IHDR > 00000010: 0000 0057 0000 0057 0103 0000 004b 064b ...W...W.....K.K > 00000020: 2f00 0000 0650 4c54 4500 0000 ffff ffa5 /....PLTE....... > 00000030: d99f dd00 0000 0274 524e 53ff ffc8 b5df .......tRNS..... > 00000040: c700 0000 0970 4859 7300 000b 1200 000b .....pHYs....... > 00000050: 1201 d2dd 7efc 0000 00ba 4944 4154 388d ....~.....IDAT8. > 00000060: cdd3 3b0e c320 0c00 5057 1db2 e504 96b8 ..;.. ..PW...... > 00000070: 86b7 5c89 5c20 a827 e895 d87c 8d48 bd00 ..\.\ .'...|.H.. > 00000080: 6c0c 48ae 53a5 c942 ccd8 7a7a 832d 7f10 l.H.S..B..zz.-.. > 00000090: 2067 c05f 3801 2c84 00ce 7096 ba40 0d62 g._8.,...p..@.b > 000000a0: 3aa2 27f4 43c7 0bd5 ae03 63c7 a24d f198 :.'.C.....c..M.. > 000000b0: a169 9d7f e673 97a6 3512 b9e3 264d a701 .i...s..5...&M.. > 000000c0: 00d6 c096 85ef 4fae e367 b62b e758 03bb ......O..g.+.X.. > 000000d0: 3489 e5b2 adb0 e75f 3811 8e03 0289 618d 4......_8.....a. > 000000e0: 5c5e 393a c37a 074f eb5e 7b61 6d3a c77b \^9:.z.O.^{am:.{ > 000000f0: fede b66d 7d5f 583d 751c b4a4 88ed 99dd ...m}_X=u....... > 00000100: 839d 654d e61a 8a18 dee6 9ff0 569c e15f ..eM........V.._ > 00000110: fdb5 b6df 4296 b3b4 dc52 71ee 0000 0000 ....B....Rq..... > 00000120: 4945 4e44 ae42 6082 IEND.B`. > > > $ apt-cache policy zbar-tools > zbar-tools: > Installed: 0.10+doc-10ubuntu1 > Candidate: 0.10+doc-10ubuntu1 > Version table: > *** 0.10+doc-10ubuntu1 500 > 500 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 > Packages > 100 /var/lib/dpkg/status > > $ zbarimg test.png > QR-Code:test > scanned 1 barcode symbols from 1 images in 0.01 seconds > > > $ apt-cache policy qtqr > qtqr: > Installed: 1.4~bzr21-1 > Candidate: 1.4~bzr21-1 > Version table: > *** 1.4~bzr21-1 500 > 500 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 > Packages > 500 http://us.archive.ubuntu.com/ubuntu xenial/universe i386 > Packages > 100 /var/lib/dpkg/status > > $ qtqr > > > ### Manually select "Decode" and then "Decode from File" and choose > test.png (or any PNG containing a QR code); the operation fails, and the > following is printed on the console by qtqr: > > > /usr/lib/python2.7/dist-packages/PIL/Image.py:870: UserWarning: Palette > images with Transparency expressed in bytes should be converted to RGBA > images > 'to RGBA images') > Traceback (most recent call last): > File "/usr/bin/qtqr", line 540, in decodeFile > if qr.decode(): > File "/usr/lib/python2.7/dist-packages/qrtools.py", line 181, in > decode > raw = pil.tostring() > File "/usr/lib/python2.7/dist-packages/PIL/Image.py", line 695, in > tostring > "Please call tobytes() instead.") > Exception: tostring() has been removed. Please call tobytes() instead. > > > $ dpkg --search /usr/lib/python2.7/dist-packages/qrtools.py > python-qrtools: /usr/lib/python2.7/dist-packages/qrtools.py > > $ apt-cache policy python-qrtools > python-qrtools: > Installed: 1.4~bzr21-1 > Candidate: 1.4~bzr21-1 > Version table: > *** 1.4~bzr21-1 500 > 500 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 > Packages > 500 http://us.archive.ubuntu.com/ubuntu xenial/universe i386 > Packages > 100 /var/lib/dpkg/status > > > $ dpkg --search /usr/lib/python2.7/dist-packages/PIL/Image.py > python-pil:amd64: /usr/lib/python2.7/dist-packages/PIL/Image.py > > $ apt-cache policy python-pil > python-pil: > Installed: 3.1.2-0ubuntu1 > Candidate: 3.1.2-0ubuntu1 > Version table: > *** 3.1.2-0ubuntu1 500 > 500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 > Packages > 100 /var/lib/dpkg/status > > > Based on the code at Image.py:695, the call to tostring() is obviously > an error; I've confirmed that the following patch fixes the problem. > > > $diff --git a/qrtools.py.orig b/qrtools.py.fixed > index 3e98469..68546e4 100644 > --- a/qrtools.py.orig > +++ b/qrtools.py.fixed > @@ -178,7 +178,7 @@ class QR(object): > # obtain image data > pil = Image.open(self.filename).convert('L') > width, height = pil.size > - raw = pil.tostring() > + raw = pil.tobytes() > # wrap image data > image = zbar.Image(width, height, 'Y800', raw) > # scan the image for barcodes > > > When this patch is applied to /usr/lib/python2.7/dist-packages/qrtools.py, > qtqr is able to correctly decode the test image. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/qr-tools/+bug/1574162/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574162 Title: qrtools.py calls tostring() instead of tobytes() To manage notifications about this bug go to: https://bugs.launchpad.net/qr-tools/+bug/1574162/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
