Re: Should non-security 2.7 bugs be fixed?
Mark Lawrence writes: > ... > So I most humbly suggest, as I may have hinted at once or twice > earlier in this thread, that people either put up or shut up. In another of your contributions to this thread, you spoke of another alternative: "do a bit of begging". That is what some of us are doing. -- https://mail.python.org/mailman/listinfo/python-list
Re: How we can send mail with attachment in Python?
Kevin Peterson writes: > How we can send mail with attachment in Python? Is it any prerequisite for it? You look at the "email" package to build the message and the "smtplib" package to send the message - both are part of Python's runtime library and documented in its documentation. Note that you need access to an "smtp" server (aka "mail server"). It ensures in cooperation with other "smtp" servers the distribution of your email around the world. Access to an "smtp" server is a non-Python issue. -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
I think you're missing the line where I said all the relevant conversation happened in IRC, and that you should refer to logs. On Sun, Jul 19, 2015 at 11:25 PM, Terry Reedy wrote: > On 7/19/2015 9:20 PM, Devin Jeanpierre wrote: > >> Search your logs for https://bugs.python.org/issue17094 >> http://bugs.python.org/issue5315 >> >> I was most frustrated by the first case -- > >> the patch was (informally) rejected > > By 'the patch', I presume you mean current-frames-cleanup.patch > by Stefan Ring, who said it "is certainly not the most complete solution, > but it solves my problem.". It was reviewed a month later by a core dev, who > said it had two defects. Do you expect us to apply defective patches? No, I meant my patch. It was discussed in IRC, and I gave the search term to grep for. (The issue URL.) >> in favor of the "right" fix, > > > "right" is your word. Natali simply uploaded an alternate patch that did not > have the defects cited. It went through 4 versions, two by Pitrou, before > the commit and close 2 months later, with the comment "Hopefully there > aren't any applications relying on the previous behaviour." No, "right" is the word used by members of #python-dev, referrig to Antoine's fix. > Two years later, last May, you proposed and uploaded a patch with what looks > to be a new and different approach. It has been ignored. In the absence of > a core dev focused on 2.7, I expect that this will continue. Too bad you did > not upload it in Feb 2013, before the review and fix started. I'm not sure what you're implying here. It couldn't be helped. >> and http://bugs.python.org/issue5315 > > Another fairly obscure issue for most of us. Five years ago, this was turned > into a doc issue, but no patch was ever submitted for either 2.x or 3.x. > Again, no particular prejudice against 2.x. > > In May, you posted a bugfix which so far has been ignored. Not too > surprising. I submitted a ping and updated the versions. If anyone > responds, you might be asked for a patch against 3.4 or 3.5. Again, the prejudice was expressed in IRC. It was ignored because you can just use asyncio in 3.x, and because the bug was old. -- Devin -- https://mail.python.org/mailman/listinfo/python-list
Re:New to python
Hi, Am interested to learn python!Can you please guide me how to start with python which will help in my selenium automation? Regards, Arthi -- https://mail.python.org/mailman/listinfo/python-list
Procedure for downloading and Installing Python 2.7 Modules
Would like to locate and install numpy, scipy and matplotlib with Wing 101 for Python 2.7 Just beginning to use Python 2.7 for engineering work. Any guidance would be appreciated. Thanks, WDA balle...@gmail.com end -- https://mail.python.org/mailman/listinfo/python-list
Re: New to python
2015-07-20 7:20 GMT+02:00 Arthi Vigneshwari : > Hi, > Am interested to learn python!Can you please guide me how to start with > python which will help in my selenium automation? > > Regards, > Arthi > > -- > https://mail.python.org/mailman/listinfo/python-list > Hi, If you enter "learning python" in a search engine, you'll probably get several interesting resources to start with it. For instance, have you had a look at https://www.python.org/about/gettingstarted/ ? Best regards -- https://mail.python.org/mailman/listinfo/python-list
Re: New to python
Hey David, Yeah,I had an overall look at https://www.python.org/about/gettingstarted/! Let me dig deep into the websites you shared me with! Thanks, Arthi On Mon, Jul 20, 2015 at 1:19 PM, David Palao wrote: > 2015-07-20 7:20 GMT+02:00 Arthi Vigneshwari : > > Hi, > > Am interested to learn python!Can you please guide me how to start with > > python which will help in my selenium automation? > > > > Regards, > > Arthi > > > > -- > > https://mail.python.org/mailman/listinfo/python-list > > > > Hi, > If you enter "learning python" in a search engine, you'll probably get > several interesting resources to start with it. > For instance, have you had a look at > https://www.python.org/about/gettingstarted/ > ? > > Best regards > -- https://mail.python.org/mailman/listinfo/python-list
File Upload in Restful Flask
Dear Group, I am trying to learn Rest framework through Restful Flask. My initial exercises went fine with https://flask-restful.readthedocs.org/en/0.3.3/quickstart.html Now I want to upload file through Restful Flask. I tried to check the web for reference. I got these urls, (i) http://docs.python-requests.org/en/latest/user/quickstart/#post-a-multipart-encoded-file (ii) http://stackoverflow.com/questions/28982974/flask-restful-upload-image (iii) http://blog.luisrei.com/articles/flaskrest.html But the question I am stuck with what are the things I have to change in the example of quickstart tutorial so that I may be able to upload file. Or if any one may kindly suggest with a small example. If any one of the esteemed members may kindly suggest. Regards, Subhabrata Banerjee. -- https://mail.python.org/mailman/listinfo/python-list
Generating type annotations by tracing execution runs
Hello, I've knocked together a quick proof-of-concept that allows type annotations to be automatically added to Python source code by running it: https://github.com/mwilliamson/farthing As the code, such as a test suite, runs, the types of arguments and return values (for functions in the file/directory to be annotated) are stored. After the code has finished, appropriate annotations are added. (There's a tiny example in the README.rst in case that makes things a little clearer.) At the moment, this is just a small prototype that I've cobbled together. I was curious if anybody knows if anybody else has done anything similar? Thanks Michael -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
On 20/07/2015 03:16, Rustom Mody wrote:
On Monday, July 20, 2015 at 7:16:50 AM UTC+5:30, Mark Lawrence wrote:
On 20/07/2015 02:20, Devin Jeanpierre wrote:
I don't like how this is being redirected to "surely you
misunderstood" or "I don't believe you". The fact that some core devs
are hostile to 2.x development is really bleedingly obvious, you
shouldn't need quotes or context thrown at you. The rhetoric almost
always shies _just_ short of ceasing bugfixes (until 2020, when that
abruptly becomes a cracking good idea). e.g. in "2.7 is here until
2020, please don't call it a waste".
A couple of things.
First "some core devs are hostile", actually some have stated that
they're simply not interested in 2.7 and will not work on it.
Second how has the thread got here, as it was originally asking about
back porting bug fixes from 3.x to 2.7? Further it said:-
If the vast majority of Python programmers are focused on 2.7, why are
volunteers to help fix 2.7 bugs so scarce?
So I most humbly suggest, as I may have hinted at once or twice earlier
in this thread, that people either put up or shut up.
I just ran the following command
$ hg log --template "{author|person}\n" | sort | uniq -c | sort -nr
as giving all the committers to python in sorted order.
I get the list below.
Dont see any Mark Lawrence there
Of course I dont know hg at all well... Just picked up the above command from
http://stackoverflow.com/questions/6126678/how-to-list-commiters-sorted-by-number-of-commits-commit-count
So... May I humbly ask where are your precious commits??
Thank you for showing your complete ignorance as to how Python works.
--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.
Mark Lawrence
--
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Re: File Upload in Restful Flask
On 20/07/2015 11:13, subhabrata.bane...@gmail.com wrote:
Dear Group,
I am trying to learn Rest framework through Restful Flask.
My initial exercises went fine with
https://flask-restful.readthedocs.org/en/0.3.3/quickstart.html
Now I want to upload file through Restful Flask. I tried to check the web for
reference.
I got these urls,
(i)
http://docs.python-requests.org/en/latest/user/quickstart/#post-a-multipart-encoded-file
(ii) http://stackoverflow.com/questions/28982974/flask-restful-upload-image
(iii) http://blog.luisrei.com/articles/flaskrest.html
But the question I am stuck with what are the things I have to change in the
example of quickstart tutorial so that I may be able to upload file. Or if any
one may kindly suggest with a small example.
If any one of the esteemed members may kindly suggest.
Regards,
Subhabrata Banerjee.
I'm no expert on Python or REST but the example
>>> url = 'http://httpbin.org/post'
>>> files = {'file': open('report.xls', 'rb')}
>>> r = requests.post(url, files=files)
>>> r.text
...
seems quite straightforward so I would suggest substituting your URL for
'http://httpbin.org' and your file name (possibly with full pathname)
for 'report.xls'.
Give it a try and report back...
Steve S
--
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Does the Class UserGroup (issue 11588) exist for python 2.7 ?
Hi Could you tell me if the Class UserGroup (method add_usage_group to support inclusive groups) exist for python 2.7 ? The patch that I found on internet is only for python 3. Thanks in advance for your answer Best regards Martine Carannante -- https://mail.python.org/mailman/listinfo/python-list
Re: File Upload in Restful Flask
On Monday, July 20, 2015 at 4:40:09 PM UTC+5:30, Simmo wrote:
> On 20/07/2015 11:13, wrote:
> > Dear Group,
> >
> > I am trying to learn Rest framework through Restful Flask.
> > My initial exercises went fine with
> > https://flask-restful.readthedocs.org/en/0.3.3/quickstart.html
> >
> > Now I want to upload file through Restful Flask. I tried to check the web
> > for reference.
> > I got these urls,
> > (i)
> > http://docs.python-requests.org/en/latest/user/quickstart/#post-a-multipart-encoded-file
> > (ii) http://stackoverflow.com/questions/28982974/flask-restful-upload-image
> > (iii) http://blog.luisrei.com/articles/flaskrest.html
> >
> > But the question I am stuck with what are the things I have to change in
> > the example of quickstart tutorial so that I may be able to upload file. Or
> > if any one may kindly suggest with a small example.
> >
> > If any one of the esteemed members may kindly suggest.
> >
> > Regards,
> > Subhabrata Banerjee.
> >
>
> I'm no expert on Python or REST but the example
>
> >>> url = 'http://httpbin.org/post'
> >>> files = {'file': open('report.xls', 'rb')}
>
> >>> r = requests.post(url, files=files)
> >>> r.text
> ...
>
> seems quite straightforward so I would suggest substituting your URL for
> 'http://httpbin.org' and your file name (possibly with full pathname)
> for 'report.xls'.
>
> Give it a try and report back...
>
> Steve S
Dear Sir,
Thanks. I could change the quickstart api.py slightly. I ran your suggestion
on it. Some result seems coming but I may have to improve some portion, I am
not getting. Please see the same.
>>> import requests
>>> url='http://127.0.0.1:5000/toworks/post'
>>> files = {'file': open('C:\Python27\NEWS.txt', 'rb')}
>>> r = requests.post(url, files=files)
>>> r.text
u'{\n"message": "Method Not Allowed", \n"status": 405\n}\n'
>>>
Regards,
Subhabrata Banerji
--
https://mail.python.org/mailman/listinfo/python-list
Re: Does the Class UserGroup (issue 11588) exist for python 2.7 ?
On 20/07/2015 12:27, CARANNANTE, MARTINE wrote: Hi Could you tell me if the Class UserGroup (method add_usage_group to support inclusive groups) exist for python 2.7 ? The patch that I found on internet is only for python 3. Thanks in advance for your answer Best regards *Martine Carannante * Almost certainly no as the patch has never been commited, which is why http://bugs.python.org/issue11588 is till open. Even if the patch were committed there is no guarantee that the patch will be back ported to 2.7. -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence -- https://mail.python.org/mailman/listinfo/python-list
Re: File Upload in Restful Flask
On 20/07/2015 12:57, subhabrata.bane...@gmail.com wrote:
On Monday, July 20, 2015 at 4:40:09 PM UTC+5:30, Simmo wrote:
On 20/07/2015 11:13, wrote:
Dear Group,
I am trying to learn Rest framework through Restful Flask.
My initial exercises went fine with
https://flask-restful.readthedocs.org/en/0.3.3/quickstart.html
Now I want to upload file through Restful Flask. I tried to check the web for
reference.
I got these urls,
(i)
http://docs.python-requests.org/en/latest/user/quickstart/#post-a-multipart-encoded-file
(ii) http://stackoverflow.com/questions/28982974/flask-restful-upload-image
(iii) http://blog.luisrei.com/articles/flaskrest.html
But the question I am stuck with what are the things I have to change in the
example of quickstart tutorial so that I may be able to upload file. Or if any
one may kindly suggest with a small example.
If any one of the esteemed members may kindly suggest.
Regards,
Subhabrata Banerjee.
I'm no expert on Python or REST but the example
>>> url = 'http://httpbin.org/post'
>>> files = {'file': open('report.xls', 'rb')}
>>> r = requests.post(url, files=files)
>>> r.text
...
seems quite straightforward so I would suggest substituting your URL for
'http://httpbin.org' and your file name (possibly with full pathname)
for 'report.xls'.
Give it a try and report back...
Steve S
Dear Sir,
Thanks. I could change the quickstart api.py slightly. I ran your suggestion
on it. Some result seems coming but I may have to improve some portion, I am
not getting. Please see the same.
import requests
url='http://127.0.0.1:5000/toworks/post'
files = {'file': open('C:\Python27\NEWS.txt', 'rb')}
r = requests.post(url, files=files)
r.text
u'{\n"message": "Method Not Allowed", \n"status": 405\n}\n'
Regards,
Subhabrata Banerji
OK, so that message is telling you that whatever server is sitting
behind 127.0.0.1 is not allowing you (your code) to POST to it. There
are many reasons why this could be happening. Here are a couple for you
to investigate...
- port 5000 is not not 'open' for POSTs
- your code may not have permission to POST to the server
It would help if you could tell us what OS you are using (Windows or
Linux or ...) and what server is sitting behind 127.0.0.1.
I'n not going to be around for the next 24hrs but I'm sure someone else
on the list will have some suggestions for you...
Happy bug hunting
Steve
--
https://mail.python.org/mailman/listinfo/python-list
Fast 12 bit to 16 bit sample conversion?
I am currently writing a python script to extract samples from old Roland 12
bit sample
disks and save them as 16 bit wav files.
The samples are layouted as follows
0 [S0 bit 11..4] [S0 bit 3..0|S1 bit 3..0] [S1 bit 11..4]
3 [S2 bit 11..4] [S2 bit 3..0|S3 bit 3..0] [S3 bit 11..4]
In other words
sample0=(data[0]<<4)|(data[1]>>4)
sample1=(data[2]<<4)|(data[1] & 0x0f)
I use this code for the conversion (using the struct module)
import struct
from array import array
def getWaveData(diskBuffer):
offset=0
words=array('H')
for i in range(len(diskBuffer)/3):
h0=struct.unpack_from('>h',diskBuffer,offset)
h1=struct.unpack_from('hxhxhxhx' for 4
even samples
and 'https://mail.python.org/mailman/listinfo/python-list
Re: File Upload in Restful Flask
On Monday, July 20, 2015 at 6:39:29 PM UTC+5:30, Simmo wrote:
> On 20/07/2015 12:57, wrote:
> > On Monday, July 20, 2015 at 4:40:09 PM UTC+5:30, Simmo wrote:
> >> On 20/07/2015 11:13, wrote:
> >>> Dear Group,
> >>>
> >>> I am trying to learn Rest framework through Restful Flask.
> >>> My initial exercises went fine with
> >>> https://flask-restful.readthedocs.org/en/0.3.3/quickstart.html
> >>>
> >>> Now I want to upload file through Restful Flask. I tried to check the web
> >>> for reference.
> >>> I got these urls,
> >>> (i)
> >>> http://docs.python-requests.org/en/latest/user/quickstart/#post-a-multipart-encoded-file
> >>> (ii)
> >>> http://stackoverflow.com/questions/28982974/flask-restful-upload-image
> >>> (iii) http://blog.luisrei.com/articles/flaskrest.html
> >>>
> >>> But the question I am stuck with what are the things I have to change in
> >>> the example of quickstart tutorial so that I may be able to upload file.
> >>> Or if any one may kindly suggest with a small example.
> >>>
> >>> If any one of the esteemed members may kindly suggest.
> >>>
> >>> Regards,
> >>> Subhabrata Banerjee.
> >>>
> >>
> >> I'm no expert on Python or REST but the example
> >>
> >>>>> url = 'http://httpbin.org/post'
> >>>>> files = {'file': open('report.xls', 'rb')}
> >>
> >>>>> r = requests.post(url, files=files)
> >>>>> r.text
> >> ...
> >>
> >> seems quite straightforward so I would suggest substituting your URL for
> >> 'http://httpbin.org' and your file name (possibly with full pathname)
> >> for 'report.xls'.
> >>
> >> Give it a try and report back...
> >>
> >> Steve S
> >
> > Dear Sir,
> >
> > Thanks. I could change the quickstart api.py slightly. I ran your suggestion
> > on it. Some result seems coming but I may have to improve some portion, I
> > am not getting. Please see the same.
> >
> import requests
> url='http://127.0.0.1:5000/toworks/post'
> files = {'file': open('C:\Python27\NEWS.txt', 'rb')}
> r = requests.post(url, files=files)
> r.text
> > u'{\n"message": "Method Not Allowed", \n"status": 405\n}\n'
>
> >
> > Regards,
> > Subhabrata Banerji
> >
>
> OK, so that message is telling you that whatever server is sitting
> behind 127.0.0.1 is not allowing you (your code) to POST to it. There
> are many reasons why this could be happening. Here are a couple for you
> to investigate...
>
> - port 5000 is not not 'open' for POSTs
> - your code may not have permission to POST to the server
>
> It would help if you could tell us what OS you are using (Windows or
> Linux or ...) and what server is sitting behind 127.0.0.1.
>
> I'n not going to be around for the next 24hrs but I'm sure someone else
> on the list will have some suggestions for you...
>
> Happy bug hunting
>
> Steve
Dear Sir,
Thanks. I am on MS-Windows 7 and I use mostly Firefox. I am checking other
issues.
Regards,
Subhabrata Banerjee.
--
https://mail.python.org/mailman/listinfo/python-list
Re: Fast 12 bit to 16 bit sample conversion?
On 2015-07-20 14:10, Peter Heitzer wrote:
I am currently writing a python script to extract samples from old Roland 12
bit sample
disks and save them as 16 bit wav files.
The samples are layouted as follows
0 [S0 bit 11..4] [S0 bit 3..0|S1 bit 3..0] [S1 bit 11..4]
3 [S2 bit 11..4] [S2 bit 3..0|S3 bit 3..0] [S3 bit 11..4]
In other words
sample0=(data[0]<<4)|(data[1]>>4)
sample1=(data[2]<<4)|(data[1] & 0x0f)
I use this code for the conversion (using the struct module)
import struct
from array import array
def getWaveData(diskBuffer):
offset=0
words=array('H')
for i in range(len(diskBuffer)/3):
If the 2 12-bit values are [0xABC, 0xDEF], the bytes will be [0xAB,
0xCF, 0xDE].
h0=struct.unpack_from('>h',diskBuffer,offset)
This gives 0xABCF, which is ANDed to give 0xABC0. Good.
h1=struct.unpack_from('
This gives 0xDECF, which is ANDed to give 0xDEC0. Not what you want.
words.append(h0[0] & 0xfff0)
words.append(h1[0] & 0xfff0)
offset+=3
return words
I unpack the samples in an array of unsigned shorts for I later can use the
byteswap() method
if the code is running on a big endian machine.
What options using pure python do I have to make the conversion faster?
I thought of unpacking more bytes at once e.g. using a format '>hxhxhxhx' for 4
even samples
and '
You could try using lookup tables to decode even-numbered and
odd-numbered pairs of bytes.
Can I map the '& 0xfff0' to the whole array?
That's something the numpy could do.
--
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Re: Fast 12 bit to 16 bit sample conversion?
Il giorno lunedì 20 luglio 2015 15:10:22 UTC+2, Peter Heitzer ha scritto:
> I am currently writing a python script to extract samples from old Roland 12
> bit sample
> disks and save them as 16 bit wav files.
>
> The samples are layouted as follows
>
> 0 [S0 bit 11..4] [S0 bit 3..0|S1 bit 3..0] [S1 bit 11..4]
> 3 [S2 bit 11..4] [S2 bit 3..0|S3 bit 3..0] [S3 bit 11..4]
>
> In other words
> sample0=(data[0]<<4)|(data[1]>>4)
> sample1=(data[2]<<4)|(data[1] & 0x0f)
>
> I use this code for the conversion (using the struct module)
>
> import struct
> from array import array
>
> def getWaveData(diskBuffer):
> offset=0
> words=array('H')
> for i in range(len(diskBuffer)/3):
> h0=struct.unpack_from('>h',diskBuffer,offset)
> h1=struct.unpack_from(' words.append(h0[0] & 0xfff0)
> words.append(h1[0] & 0xfff0)
> offset+=3
> return words
>
> I unpack the samples in an array of unsigned shorts for I later can use the
> byteswap() method
> if the code is running on a big endian machine.
>
> What options using pure python do I have to make the conversion faster?
> I thought of unpacking more bytes at once e.g. using a format '>hxhxhxhx' for
> 4 even samples
> and ' Can I map the '& 0xfff0' to the whole array?
I'll try to read the binary data with numpy.fromfile, reshape the array in
[n,3] matrix, and then you can operate with the columns to get what you want.
:-)
--
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Re: Fast 12 bit to 16 bit sample conversion?
MRAB wrote:
>On 2015-07-20 14:10, Peter Heitzer wrote:
>> I am currently writing a python script to extract samples from old Roland 12
>> bit sample
>> disks and save them as 16 bit wav files.
>>
>> The samples are layouted as follows
>>
>> 0 [S0 bit 11..4] [S0 bit 3..0|S1 bit 3..0] [S1 bit 11..4]
>> 3 [S2 bit 11..4] [S2 bit 3..0|S3 bit 3..0] [S3 bit 11..4]
>>
>> In other words
>> sample0=(data[0]<<4)|(data[1]>>4)
>> sample1=(data[2]<<4)|(data[1] & 0x0f)
>>
>> I use this code for the conversion (using the struct module)
>>
>> import struct
>> from array import array
>>
>> def getWaveData(diskBuffer):
>>offset=0
>>words=array('H')
>>for i in range(len(diskBuffer)/3):
>If the 2 12-bit values are [0xABC, 0xDEF], the bytes will be [0xAB,
>0xCF, 0xDE].
>> h0=struct.unpack_from('>h',diskBuffer,offset)
>This gives 0xABCF, which is ANDed to give 0xABC0. Good.
>> h1=struct.unpack_from('This gives 0xDECF, which is ANDed to give 0xDEC0. Not what you want.
You are right! It looked to me as if it was little endian, but only for the MSB.
--
https://mail.python.org/mailman/listinfo/python-list
Re: how to play
On Sunday, July 19, 2015 at 12:04:26 PM UTC-7, Aron Barsam wrote: > i have trouble trying to play python please can you respond soon ... > play python http://i.imgur.com/x2KwTbw.jpg -- https://mail.python.org/mailman/listinfo/python-list
Re: Does the Class UserGroup (issue 11588) exist for python 2.7 ?
On Mon, Jul 20, 2015 at 10:15 PM, Mark Lawrence wrote: > On 20/07/2015 12:27, CARANNANTE, MARTINE wrote: >> >> Hi >> Could you tell me if the Class UserGroup (method add_usage_group to >> support inclusive groups) exist for python 2.7 ? >> The patch that I found on internet is only for python 3. >> Thanks in advance for your answer >> Best regards >> *Martine Carannante >> * > > > Almost certainly no as the patch has never been commited, which is why > http://bugs.python.org/issue11588 is till open. Even if the patch were > committed there is no guarantee that the patch will be back ported to 2.7. There's almost a guarantee that it will NOT be backported to 2.7, actually; it looks like a completely new feature. But if you're interested, you might be able to apply the patch to a backported argparse, such as: https://pypi.python.org/pypi/argparse Or just patch your own local version, but that's a bit dodgier. If you're willing to migrate your code to Python 3, and you want this feature, post in the tracker issue; even better, help with testing the patch. The patch was updated for Python 3.5 roughly a year ago, and I suspect that that version will still work; the lack of response after that suggests that nobody has the time to test it and make sure it works in all cases. Since argparse is written in Python, you don't even need to play around with a C compiler to test this. It's a nice easy thing to play with - have a shot! ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Generating type annotations by tracing execution runs
On Mon, Jul 20, 2015 at 7:59 PM, Michael Williamson wrote: > I've knocked together a quick proof-of-concept that allows type > annotations to be automatically added to Python source code by running > it: > > https://github.com/mwilliamson/farthing > > As the code, such as a test suite, runs, the types of arguments and > return values (for functions in the file/directory to be annotated) are > stored. After the code has finished, appropriate annotations are added. > (There's a tiny example in the README.rst in case that makes things a > little clearer.) Sounds to me like a type inference system. Can be pretty handy in some codebases. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Generating type annotations by tracing execution runs
Chris Angelico writes: >> As the code, such as a test suite, runs, the types of arguments and >> return values... > Sounds to me like a type inference system. Can be pretty handy in some > codebases. I haven't tried it out yet but it sounds more like the type extraction part of a JIT compiler, i.e. the types are collected from actual execution traces rather than statically. I think of "type inference" as meaning syntactic inference at compile time. -- https://mail.python.org/mailman/listinfo/python-list
Re: how to play
On Mon, Jul 20, 2015 at 10:29 AM, Aron Barsam wrote: > what is an 0S comand line? What OS are you using? In Windows it's a program called Command Prompt. In Mac OS X it's an application called Terminal. In Linux it's usually called something like Terminal or xterm. However, if you don't know how to use the CLI (command-line interface), then you're probably better off using IDLE, a development environment that is included with the Python installation and includes an interactive interpreter. Just look for the IDLE program and run that. -- https://mail.python.org/mailman/listinfo/python-list
linux os.rename() not an actual rename?
I have a server process that looks (watches via inotify) for files to be moved
(renamed) into a particular directory from elsewhere on the same filesystem. We
do this because it is an atomic operation, and our server process can see the
modify events of the file being written before it is closed. The rename
functions as a 'completed' event. We have a python script that attempts to
perform this behavior - to os.rename() a file into the watched directory after
it is done being written. However unlike other tools, we don't see a proper
'rename' event. Instead we just see a 'changed' event. I've changed the
implementation of the script to os.system('mv ...') and we get the expected
'rename' event.
Is this known issue? Should I be seeing a proper rename event? The only mention
in the docs about the rename behavior is that it is atomic, as required by
POSIX.
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Re: linux os.rename() not an actual rename?
On 2015-07-20, Jason H wrote:
> I have a server process that looks (watches via inotify) for files
> to be moved (renamed) into a particular directory from elsewhere on
> the same filesystem. We do this because it is an atomic operation,
> and our server process can see the modify events of the file being
> written before it is closed. The rename functions as a 'completed'
> event. We have a python script that attempts to perform this
> behavior - to os.rename() a file into the watched directory after it
> is done being written. However unlike other tools, we don't see a
> proper 'rename' event. Instead we just see a 'changed' event. I've
> changed the implementation of the script to os.system('mv ...') and
> we get the expected 'rename' event.
>
> Is this known issue? Should I be seeing a proper rename event? The
> only mention in the docs about the rename behavior is that it is
> atomic, as required by POSIX.
os.rename() should just be calling the operating system rename(2)
function. I think you must be doing something wrong.
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Re: linux os.rename() not an actual rename?
"Jason H" :
> I have a server process that looks (watches via inotify) for files to
> be moved (renamed) into a particular directory from elsewhere on the
> same filesystem. We do this because it is an atomic operation, and our
> server process can see the modify events of the file being written
> before it is closed. The rename functions as a 'completed' event. We
> have a python script that attempts to perform this behavior - to
> os.rename() a file into the watched directory after it is done being
> written. However unlike other tools, we don't see a proper 'rename'
> event. Instead we just see a 'changed' event. I've changed the
> implementation of the script to os.system('mv ...') and we get the
> expected 'rename' event.
Don't know about inotify(). However, strace reveals that python3's
os.rename() performs a regular rename(2) system call.
Marko
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Re: linux os.rename() not an actual rename?
On 2015-07-20 20:50, Marko Rauhamaa wrote:
> "Jason H" :
>
>> I have a server process that looks (watches via inotify) for files to
>> be moved (renamed) into a particular directory from elsewhere on the
>> same filesystem. We do this because it is an atomic operation, and our
>> server process can see the modify events of the file being written
>> before it is closed. The rename functions as a 'completed' event. We
>> have a python script that attempts to perform this behavior - to
>> os.rename() a file into the watched directory after it is done being
>> written. However unlike other tools, we don't see a proper 'rename'
>> event. Instead we just see a 'changed' event. I've changed the
>> implementation of the script to os.system('mv ...') and we get the
>> expected 'rename' event.
>
> Don't know about inotify(). However, strace reveals that python3's
> os.rename() performs a regular rename(2) system call.
So does Python 2.7:
$ touch test
$ strace -e trace=file -- python -c 'import os; os.rename("test", "test2")'
execve("/bin/python", ["python", "-c", "import os; os.rename(\"test\",
\"te"...], [/* 76 vars */]) = 0
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
...
rename("test", "test2") = 0
+++ exited with 0 +++
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Re: linux os.rename() not an actual rename?
> From: "Christian Heimes"
> On 2015-07-20 20:50, Marko Rauhamaa wrote:
> > "Jason H" :
> >
> >> I have a server process that looks (watches via inotify) for files to
> >> be moved (renamed) into a particular directory from elsewhere on the
> >> same filesystem. We do this because it is an atomic operation, and our
> >> server process can see the modify events of the file being written
> >> before it is closed. The rename functions as a 'completed' event. We
> >> have a python script that attempts to perform this behavior - to
> >> os.rename() a file into the watched directory after it is done being
> >> written. However unlike other tools, we don't see a proper 'rename'
> >> event. Instead we just see a 'changed' event. I've changed the
> >> implementation of the script to os.system('mv ...') and we get the
> >> expected 'rename' event.
> >
> > Don't know about inotify(). However, strace reveals that python3's
> > os.rename() performs a regular rename(2) system call.
>
> So does Python 2.7:
>
> $ touch test
> $ strace -e trace=file -- python -c 'import os; os.rename("test", "test2")'
> execve("/bin/python", ["python", "-c", "import os; os.rename(\"test\",
> \"te"...], [/* 76 vars */]) = 0
> access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
> open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
> ...
> rename("test", "test2") = 0
> +++ exited with 0 +++
Hrm, provably, you're right. But I was seeing 'rename', then two 'changed'
events on the dest name, but the last thing the process did was rename before
it exited.
I'll look into it some more now that I know python should be using the OS
implementation of rename.
Thanks everyone.
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Re: Procedure for downloading and Installing Python 2.7 Modules
On 19/07/2015 23:14, W. D. Allen wrote: Would like to locate and install numpy, scipy and matplotlib with Wing 101 for Python 2.7 Just beginning to use Python 2.7 for engineering work. Any guidance would be appreciated. Thanks, WDA balle...@gmail.com end Just use pip from the command line for your OS. It might even be that:- pip install scipy grabs everything that you've asked for above, why not try it and see? -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence -- https://mail.python.org/mailman/listinfo/python-list
Re: Procedure for downloading and Installing Python 2.7 Modules
On Mon, 20 Jul 2015 08:14 am, W. D. Allen wrote: > Would like to locate and install numpy, scipy and matplotlib > with Wing 101 for Python 2.7 Wing is an IDE, that is, a fancy editor. As far as I know, you shouldn't have to take any special steps to get numpy etc. working with Wing, you just install them in the usual fashion. Do you need help with installing Python packages? If you have pip installed, you can just type: pip install numpy scipy matplotlib from your *operating system* command prompt. Not the Python shell! On Linux, you would open a terminal and you should see a prompt that ends with a $ sign. On Windows, you run cmd.exe or command.com or whatever it is called, I forget. If you see a prompt >>> then you're in the Python shell and pip won't work. However, installing numpy and scipy from scratch like this is often difficult on Windows, as you need access to a Fortran or C compiler. Many people prefer to use a Python environment that has numpy etc. already pre-installed. Start here: https://courses.p2pu.org/he/groups/scientific-python/content/setting-up-a-scientific-python-environment/ Does this help? Feel free to reply to the group with any follow up questions. -- Steven -- https://mail.python.org/mailman/listinfo/python-list
Re: Fast 12 bit to 16 bit sample conversion?
On 20/07/2015 14:10, Peter Heitzer wrote:
I am currently writing a python script to extract samples from old Roland 12
bit sample
disks and save them as 16 bit wav files.
The samples are layouted as follows
0 [S0 bit 11..4] [S0 bit 3..0|S1 bit 3..0] [S1 bit 11..4]
3 [S2 bit 11..4] [S2 bit 3..0|S3 bit 3..0] [S3 bit 11..4]
In other words
sample0=(data[0]<<4)|(data[1]>>4)
sample1=(data[2]<<4)|(data[1] & 0x0f)
I use this code for the conversion (using the struct module)
import struct
from array import array
def getWaveData(diskBuffer):
offset=0
words=array('H')
for i in range(len(diskBuffer)/3):
h0=struct.unpack_from('>h',diskBuffer,offset)
h1=struct.unpack_from('
By "pure python" I'm assuming you mean part of the stdlib.
Referring to https://wiki.python.org/moin/PythonSpeed/PerformanceTips
you could end with something like this (untested).
def getWaveData(diskBuffer):
offset = 0
words = array('H')
wx = words.extend #saves two lookups and a function call
su = struct.unpack_from #saves two lookups
# 'i' not used in the loop so throw it away
for _ in range(len(diskBuffer)/3): # use xrange on Python 2
h0 = su('>h',diskBuffer,offset)
h1 = su('wx((h0[0] & 0xfff0), (h1[0] & 0xfff0)) # MRAB pointed out a
problem with the masking in the second section???
offset += 3
return words
I thought of unpacking more bytes at once e.g. using a format '>hxhxhxhx' for 4
even samples
and '
If that reduces the number of times around the loop why not? Combine it
with MRAB's suggestion of lookups and I'd guess you'd get a speedup, but
knowing Python I'm probably way out on that? There's only one way to
find out.
I'm also thinking that you could user one of the itertools functions or
recipes to grab the data and hence simplify the loop even more, but it's
now 3:45 BST, so I can't think straight, hence bed.
Can I map the '& 0xfff0' to the whole array?
If it works :)
--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.
Mark Lawrence
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Can I copy/paste Python code?
I'm trying to copy some Python code from a PDF book that I'm reading. I want to test out the code, and I can copy it, but when I paste it into the Shell, everything is all screwed up because of the indentation. Every time I paste in any kind of code, it seems like everything is immediately left-justified, and then nothing works. Any idea how to make this work easily? Without re-typing hundreds of lines of code... Thanks to all. -- https://mail.python.org/mailman/listinfo/python-list
Re: Can I copy/paste Python code?
On Tue, Jul 21, 2015 at 12:49 PM, ryguy7272 wrote: > I'm trying to copy some Python code from a PDF book that I'm reading. I want > to test out the code, and I can copy it, but when I paste it into the Shell, > everything is all screwed up because of the indentation. Every time I paste > in any kind of code, it seems like everything is immediately left-justified, > and then nothing works. > > Any idea how to make this work easily? Without re-typing hundreds of lines > of code... Sounds like a flaw in the PDF - it creates indentation in some way other than leading spaces/tabs. See if the PDF has a corresponding file of ready-to-go code, that might save you some trouble. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Can't Install Pandas
On Sunday, July 19, 2015 at 11:05:46 PM UTC-4, ryguy7272 wrote: > Hello experts. I odwnloaded Pandas, and put it here. > C:\Python34\Scripts\pandas-0.16.2 > > Then, I ran this in what most people call the c-prompt, but I call it the > 'Python 3.4.3 Shell' > "C:\Python34\Scripts\pandas-0.16.2>" "pip install 'setup.py'" > > It seems like everything ran fine, so I try this. > import pandas as pd > > Then I get this error. > Traceback (most recent call last): > File "", line 1, in > import pandas as pd > ImportError: No module named 'pandas' > > Any idea what I'm doing wrong? > > > I tried to follow the instructions here. > https://pip.pypa.io/en/latest/installing.html > > > That doesn't work either. > python get-pip.py > SyntaxError: invalid syntax > > I won't even ask the most obvious question, because I guess it's impossible > to do. Rather, can someone please help me to get this working? > > Thanks. Ok. Back to the basics. Thanks. -- https://mail.python.org/mailman/listinfo/python-list
Re: Can't Install Pandas
On Tue, Jul 21, 2015 at 12:51 PM, ryguy7272 wrote: > On Sunday, July 19, 2015 at 11:05:46 PM UTC-4, ryguy7272 wrote: >> Hello experts. I odwnloaded Pandas, and put it here. >> C:\Python34\Scripts\pandas-0.16.2 >> >> Then, I ran this in what most people call the c-prompt, but I call it the >> 'Python 3.4.3 Shell' >> "C:\Python34\Scripts\pandas-0.16.2>" "pip install 'setup.py'" >> >> It seems like everything ran fine, so I try this. >> import pandas as pd >> >> Then I get this error. >> Traceback (most recent call last): >> File "", line 1, in >> import pandas as pd >> ImportError: No module named 'pandas' >> >> Any idea what I'm doing wrong? >> >> >> I tried to follow the instructions here. >> https://pip.pypa.io/en/latest/installing.html >> >> >> That doesn't work either. >> python get-pip.py >> SyntaxError: invalid syntax >> >> I won't even ask the most obvious question, because I guess it's impossible >> to do. Rather, can someone please help me to get this working? >> >> Thanks. > > Ok. Back to the basics. > Thanks. If by "basics" you mean this, then yes. http://www.catb.org/esr/faqs/smart-questions.html ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Is there a way to install ALL Python packages?
I'd like to install ALL Python packages on my machine. Even if it takes up 4-5GB, or more, I'd like to get everything, and then use it when I need it. Now, I'd like to import packages, like numpy and pandas, but nothing will install. I figure, if I can just install everything, I can simply use it when I need it, and if I don't need it, then I just won't use it. I know R offers this as an option. I figure Python must allow it too. Any idea how to grab everything? Thanks all. -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
On Sunday, July 19, 2015 at 9:17:11 PM UTC-5, Rustom Mody wrote: > List of python committers: > - > 11081 Guido van Rossum > [snip: long list] Thanks for posting this list of names. I had put in a pyFOIA request for this data a few years ago, but to my surprise, was flat out denied. I'm not sure how exhaustive this list may be, but publicly displaying the "commit hierarchy" within the Python community is very import for those who may want to get involved. [Talking to Mark Lawrence, Rustom said:] > So... May I humbly ask where are your precious commits?? Thanks for putting Mark in his place. He has been brow beating folks on this list (myself included) for years, and i'll bet he now feels as tiny as D'Aprano did -- when GvR scolded him for disrespecting a Noob on Python-ideas. Yeah, i was watching! I'M *ALWAYS* WATCHING! ಠ_ಠ Now that Mark's lack of "commit cred" has been exposed, we can safely ignore his hollow and hypocritical bullying. And now that he has been de-fanged, he will be forced to seek employment elsewhere. Hmm, my suggestion is that he market himself as an on-call "peanut butter removal service". A venture that will no doubt be successful, seeing that he has two "heads up" on his competition! -- https://mail.python.org/mailman/listinfo/python-list
Re: Is there a way to install ALL Python packages?
On Tue, Jul 21, 2015 at 12:57 PM, ryguy7272 wrote: > I'd like to install ALL Python packages on my machine. Even if it takes up > 4-5GB, or more, I'd like to get everything, and then use it when I need it. > Now, I'd like to import packages, like numpy and pandas, but nothing will > install. I figure, if I can just install everything, I can simply use it > when I need it, and if I don't need it, then I just won't use it. > > I know R offers this as an option. I figure Python must allow it too. > > Any idea how to grab everything? > pip install `wget https://pypi.python.org/simple/ -qO- |html2text` Then figure out if there are any conflicts. And make sure you stay up-to-date as packages get new versions released. Good luck. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
On Tuesday, July 21, 2015 at 8:34:30 AM UTC+5:30, Rick Johnson wrote: > On Sunday, July 19, 2015 at 9:17:11 PM UTC-5, Rustom Mody wrote: > > > > List of python committers: > > - > > 11081 Guido van Rossum > > [snip: long list] > > Thanks for posting this list of names. I had put in a pyFOIA > request for this data a few years ago, but to my surprise, was > flat out denied. I'm not sure how exhaustive this list may be, > but publicly displaying the "commit hierarchy" within the Python > community is very import for those who may want to get involved. > > [Talking to Mark Lawrence, Rustom said:] > > So... May I humbly ask where are your precious commits?? > > Thanks for putting Mark in his place. He has been brow > beating folks on this list (myself included) for years, and > i'll bet he now feels as tiny as D'Aprano did -- when GvR > scolded him for disrespecting a Noob on Python-ideas. > > Yeah, i was watching! > > I'M *ALWAYS* WATCHING! > > ಠ_ಠ > > Now that Mark's lack of "commit cred" has been exposed, we can > safely ignore his hollow and hypocritical bullying. And now > that he has been de-fanged, he will be forced to seek employment > elsewhere. Hmm, my suggestion is that he market himself as an > on-call "peanut butter removal service". A venture that will > no doubt be successful, seeing that he has two "heads up" on > his competition! Hey Rick! Lets have a useful discussion And cut the rhetoric Please [Chris already showed that this list is inaccurate -- probably related to hg not having sighoff distinct from commit like git] -- https://mail.python.org/mailman/listinfo/python-list
Re: Is there a way to install ALL Python packages?
On Tuesday, July 21, 2015 at 8:47:29 AM UTC+5:30, Chris Angelico wrote: > On Tue, Jul 21, 2015 at 12:57 PM, ryguy7272 wrote: > > I'd like to install ALL Python packages on my machine. Even if it takes up > > 4-5GB, or more, I'd like to get everything, and then use it when I need it. > > Now, I'd like to import packages, like numpy and pandas, but nothing will > > install. I figure, if I can just install everything, I can simply use it > > when I need it, and if I don't need it, then I just won't use it. > > > > I know R offers this as an option. I figure Python must allow it too. > > > > Any idea how to grab everything? > > > > pip install `wget https://pypi.python.org/simple/ -qO- |html2text` > > Then figure out if there are any conflicts. > > And make sure you stay up-to-date as packages get new versions released. > > Good luck. > > ChrisA Dear Sir, This is to inform you we have just received your application which is being duly considered. Office of Bofh -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
On Tue, Jul 21, 2015 at 1:15 PM, Rustom Mody wrote: > [Chris already showed that this list is inaccurate -- probably related > to hg not having sighoff distinct from commit like git] It's also the manner of workflow. If you want to accept patches and have them acknowledged to their original authors, the patches need to carry metadata identifying the authors. I went to the tracker and hit "Random Issue" and got one with an attached file as the first hit: http://bugs.python.org/issue12982 http://bugs.python.org/file26008/issue12982.diff Repeated the exercise and won again: http://bugs.python.org/issue4733 http://bugs.python.org/file12437/urlopen_text.diff Notice how the patch files start straight in with content. There's no authorship information retained. By comparison, a patch created with 'git format-patch' and applied with 'git am' starts with RFC 822 headers, provides a commit message, and generally is intended as a way of transmitting a *commit*, rather than simply some changes. I'm not overly familiar with Mercurial workflows, but I think 'hg export' and 'hg import' give the same sort of information; I tried on CPython and got this: # HG changeset patch # User Robert Collins # Date 1436838700 -43200 # Tue Jul 14 13:51:40 2015 +1200 # Branch 3.5 # Node ID 7021d46c490e8d9d3422737c69980dc1602f90db # Parent 0127b0cad5ecb83c39ce58a4be27bf6d43a78d91 Issue #23661: unittest.mock side_effects can now be exceptions again. This was a regression vs Python 3.4. Patch from Ignacio Rossi diff -r 0127b0cad5ec -r 7021d46c490e Lib/unittest/mock.py --- a/Lib/unittest/mock.py Sat Jul 11 16:33:39 2015 -0700 +++ b/Lib/unittest/mock.py Tue Jul 14 13:51:40 2015 +1200 @@ -506,7 +506,8 @@ if delegated is None: (chomp actual details) Whether it's possible to have authorship retained or not, though, a lot of patches can logically be credited to multiple people. Whose name goes on it? With the CPython workflow, it's always the core committer who applied it, nobody else. (That's consistent, at least.) So the names in the log are of the people who have write access to the repo, and nobody else. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Devanagari int literals [was Re: Should non-security 2.7 bugs be fixed?]
On Sunday, July 19, 2015 at 10:15:37 AM UTC+5:30, Steven D'Aprano wrote: > > JFTR: My kids (um... students) have just managed to add devanagari > > numerals to python. > > ie we can now do > > > १ + २ > > 3 > > That is actually quite awesome, and I would support a new feature that set > the numeric characters to a particular script, e.g. Latin, Arabic, > Devanagari, whatever, and printed them in that same script. It seems > unfortunate that १ + २ prints as 3 rather than ३. BTW my boys have just mailed me their latest: >>> 九.九九 9.99 Can some unicode/Chinese literate person inform me whether that ideograph is equivalent to roman '9' or roman 'nine'? -- https://mail.python.org/mailman/listinfo/python-list
Re: Is there a way to install ALL Python packages?
On 07/20/2015 08:57 PM, ryguy7272 wrote: > I'd like to install ALL Python packages on my machine. Even if it > takes up 4-5GB, or more, I'd like to get everything, and then use it > when I need it. Now, I'd like to import packages, like numpy and > pandas, but nothing will install. I figure, if I can just install > everything, I can simply use it when I need it, and if I don't need > it, then I just won't use it. > > I know R offers this as an option. I figure Python must allow it > too. > > Any idea how to grab everything? Since I'm sure there are conflicts between some packages as well as completely broken packages, I suspect this isn't really possible or desirable. And it won't solve your problem. If you can't get numpy and pandas to install, you may have troubles with "everything" also. Are you sure you followed the instructions on the page you linked to in your pandas install thread? Seems like you typed "python get-pip.py" in a python prompt instead of your operating system command prompt. I recall telling you about this before. You download the get-pip.py file, put it somewhere, like on your desktop, then open the command prompt window, cd to that directory, and then run "python get-pip.py" from your cmd.exe C: prompt. -- https://mail.python.org/mailman/listinfo/python-list
Re: Can I copy/paste Python code?
Hi, You could probably get the work done via the following script: https://pypi.python.org/pypi/PythonTidy/ On Mon, Jul 20, 2015 at 7:49 PM, ryguy7272 wrote: > I'm trying to copy some Python code from a PDF book that I'm reading. I > want to test out the code, and I can copy it, but when I paste it into the > Shell, everything is all screwed up because of the indentation. Every time > I paste in any kind of code, it seems like everything is immediately > left-justified, and then nothing works. > > Any idea how to make this work easily? Without re-typing hundreds of > lines of code... > > Thanks to all. > -- > https://mail.python.org/mailman/listinfo/python-list > -- https://mail.python.org/mailman/listinfo/python-list
Re: Devanagari int literals [was Re: Should non-security 2.7 bugs be fixed?]
On Tue, Jul 21, 2015 at 1:30 PM, Rustom Mody wrote: > BTW my boys have just mailed me their latest: > 九.九九 > > 9.99 > > Can some unicode/Chinese literate person inform me whether > that ideograph is equivalent to roman '9' or roman 'nine'? I'm not Chinese-literate, but I know how to dig up info from the Unicode side of things. '\u4e5d' CJK UNIFIED IDEOGRAPH-4E5D Thanks, very helpful. Perhaps slightly more useful: https://en.wiktionary.org/wiki/%E4%B9%9D But it still doesn't disambiguate digit vs word. Playing around with Google Translate suggests that it functions mostly like a digit; 九九 means "Ninety-nine" and 九八 means "Ninety-eight". But I'll leave further confirmation to someone who fits your second description. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
On Monday, July 20, 2015 at 12:59:53 AM UTC-5, Steven D'Aprano wrote: > > Not quite; one is @yahoo.co.uk, and the other is @gmail.com. > > Ah, so they are. You're right, I was wrong, they're not > the same email address. But still, accusations of sock- > puppetry from a change in email provider is unreasonable, > and I believe that Rick should acknowledge that he over- > reacted. I'm not sure if i misinterpreted the puppetry, or not. I thought Mark was hiding behind the "bream" account, but i'm not so sure now. Weird things were happening yesterday with my quotes (i even mentioned the strangeness in one of my replies, check the archives). But even if i am wrong, the worse thing i did was mis- interpret his and another post. But since he still owes me an apology for insulting my integrity, i'd say we're even. Funny thing is, no one called for Mark to apologize... GO FIGURE! I guess pets get preferential treatment. -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
On Monday, July 20, 2015 at 1:30:03 AM UTC-5, dieter wrote: > Experience like this (in another project) causes me to be > very reluctant to become a core contributor (in the sense > of actively fixing things in the core). You need a lot of > knowledge (coding conventions, test setup, change > workflow, ...) whichs goes far beyond the functionality of > the fix -- and you must be resilient, patient and maybe > even fighting to get the work accepted. Thanks for sharing your experiences. I hope many more will come forward and do the same. We are obviously ignoring some talented people out there, and as i stressed before, we need to prevent further hemorrhaging of this talent. I know there are tons of folks who will get involved if we can remove the onerous barriers. -- https://mail.python.org/mailman/listinfo/python-list
Re: Is there a way to install ALL Python packages?
On 7/20/2015 10:57 PM, ryguy7272 wrote: I'd like to install ALL Python packages on my machine. There is no official list of Python packages to upload all of. Even if it takes up 4-5GB, or more, I'd like to get everything, There are 1 packages on Pypi, and perhaps an equal number elsewhere. > and then use it when I need it. Many are just names or junk that you would never use and do not want on your machine. Many are specialized add-ons to another package. It seems that Python is different from R. pip can load a list of packages. This is used daily to build machines with Python + a specified list. It would be an interesting project for someone to make, publish, and update a 'sumo' list of the most useful packages that can all be loaded together. -- Terry Jan Reedy -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
On 7/20/2015 11:33 PM, Chris Angelico wrote: It's also the manner of workflow. If you want to accept patches and have them acknowledged to their original authors, the patches need to carry metadata identifying the authors. Notice how the patch files start straight in with content. There's no authorship information retained. By comparison, a patch created with 'git format-patch' and applied with 'git am' starts with RFC 822 headers, provides a commit message, and generally is intended as a way of transmitting a *commit*, rather than simply some changes. I'm not overly familiar with Mercurial workflows, but I think 'hg export' and 'hg import' give the same sort of information; I tried on CPython and got this: hg has an option to produce git-format patches. However, they do not work with the Rietveld code review tool, and so are discouraged. I do not know if the extra information would survive an hg commit. -- Terry Jan Reedy -- https://mail.python.org/mailman/listinfo/python-list
Re: Is there a way to install ALL Python packages?
On Tue, Jul 21, 2015 at 1:24 PM, Rustom Mody wrote: > Dear Sir, > > This is to inform you we have just received your application which is being > duly considered. > > Office of Bofh Thank you for your consideration. I shall endeavour to provide satisfaction, unless you reject my application, in which case I shall publish what I know about you, the boss's secretary, and the low-light camera placed in the boardroom prior to the Christmas break-up party. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
On Monday, July 20, 2015 at 1:47:00 AM UTC-5, dieter wrote: > Thinking of myself, I am not sure. Ensuring the quality of > a "distribution" goes far beyond a single bug fix. While I > usually are ready to share a bug fix I have found, I am > reluctant to get involved in the complete quality > ensurance process (such as the test suite, review process, > style guides, ...). Of course. I believe there are many folks out there like yourself, who come across this or that bug, but don't bother sharing the patch because of the reluctance to deal with red tape or fear of a brow beating. Participation, on a regular basis, requires a special kind of person with special talents. For example: Terry Reedy has been working over at "pybugs" for years. I don't think everyone wants to be, or can be, a Terry Reedy. But i do believe the current system is presenting obstacles to those that could offer help in whatever limited capacity they can handle. OUTLINE OF FOUR POSSIBLE LEVELS OF PARTICIPATION: LEVEL1: Anyone, no matter what coding skills they have, can bring attention to a problem, and allow someone else to write the code. "HEY, I FOUND A PROBLEM -> BLAH, BLAH, BLAH". Also, not all programmers are experts with the written word. And a poorly described problem can result in it never getting the attention is deserves. We not only need coders, we need writer who can peruse the complaints and reformat them for comprehension and coherency. We need a diversity of talent, and not just "code monkey talent", all forms! LEVEL2: Even someone with "sketchy knowledge" of the fix can write up an outline, or a list of steps that could be taken, in order to fix the problem. Possibly pointing out some of the subtle bugs that may crop up if not carefully considered. Very few of us know *everything* about every module or dark corner of Python. For example, I've talked with a few "grand masters", who had little or no knowledge of Tkinter or IDLE. LEVEL3: The next level would be to write draft code. Maybe the code would not even be considered "professional". But it could serve as a "rough draft" that a more experienced programmer can build from. LEVEL4 The last level is a fully functioning patch. This would be written, or approved by, one of the trustees. And even if the "contributor" can only participate at level1 or level2, if they find the process is smooth, then they are more likely to participate again. And as they become more experienced, will offer help at a higher level of expertise. I know the wheel is being re-invented all the time, simply because of the obstacles inherent in the patching process. There needs to exist a linear path from bug to patch. We don't want Terry Reedy wasting his expertise on the first two or three levels, no, we need to place him at a level where his talents are not wasted reading ridiculous feature requests that will never go beyond level1 or level2. My point is, we're unproductive because: (1) we're scaring away intermediate and specialized talents (2) and we're mis- applying the limited talent we do have. -- https://mail.python.org/mailman/listinfo/python-list
Re: Should non-security 2.7 bugs be fixed?
On 7/19/2015 6:19 PM, Terry Reedy wrote: I, and others, have already made some changes to eliminate differences that are unnecessary, at least for 2.7 versus 3.3+ or now 3.4+. I just got smacked in the face by a difference I had not run into before. I added about 10 lines to a test file is a section that is identical in 2.7 and 3.4+. One line is self.assertEqual(type(obj), intended class) It failed in 2.7. Quiz: when is the type of an instance not the class that the instance is an instance of. (I expect Steven A. is raising his hand now.) Give up? Answer: When you write a class in 2.x without making it a subclass of object. >>> class Class(): pass >>> inst = Class() >>> type(inst) is Class False >>> type(inst) Since I do not remember how to fix the assert, and was not prepared to make the class, in a file other than the one tested, new-style, I just commented it out. This is an example of my claim that backports are best written by someone who is a current 2.x user with the particular 2.x knowledge needed. I am not sure I ever had all the knowledge needed to handle the backport properly and I now I would prefer to forget about old-style classes. -- Terry Jan Reedy -- https://mail.python.org/mailman/listinfo/python-list
Re: Devanagari int literals [was Re: Should non-security 2.7 bugs be fixed?]
On Tuesday, July 21, 2015 at 9:13:49 AM UTC+5:30, Chris Angelico wrote:
> On Tue, Jul 21, 2015 at 1:30 PM, Rustom Mody wrote:
> > BTW my boys have just mailed me their latest:
> >
> 九.九九
> >
> > 9.99
> >
> > Can some unicode/Chinese literate person inform me whether
> > that ideograph is equivalent to roman '9' or roman 'nine'?
>
> I'm not Chinese-literate, but I know how to dig up info from the
> Unicode side of things.
>
> '\u4e5d' CJK UNIFIED IDEOGRAPH-4E5D
>
> Thanks, very helpful.
>
> Perhaps slightly more useful:
>
> https://en.wiktionary.org/wiki/%E4%B9%9D
>
> But it still doesn't disambiguate digit vs word.
>
> Playing around with Google Translate suggests that it functions mostly
> like a digit; 九九 means "Ninety-nine" and 九八 means "Ninety-eight". But
> I'll leave further confirmation to someone who fits your second
> description.
>
> ChrisA
Well Cant make much sense of it:
>>> import unicodedata as ud
>>> ud.numeric('२')
2.0
>>> ud.category('२')
'Nd'
>>> ud.numeric('九')
9.0
>>> ud.category('九')
'Lo'
>>>
--
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