🌐 Mailman 3 December 2019 - Python-list - python.org

Execute python script from VB6 to display Outlook Window
by wojtek.dominicana＠gmail.com Dec. 22, 2019

Dec. 22, 2019

I have to prepare e-mail in python (e-mail address, body html, attachments etc.) and show Outlook window for user who will check everything and correct if necessary and will be able to send it. My script work well : o = win32com.client.Dispatch("Outlook.Application") Msg = o.CreateItem(0) Msg.To = "aa(a)gmail.com" Msg.CC = "" Msg.Subject = "The random subject" Msg.HtmlBody = "<h1>content of e-mail</h1>" Msg.Attachments.Add(attachment1) Msg.Display() This script work well but I have some problem with my Outlook 2019 or Command window (Win 10, 64). When Outlook is closed i can call my script using Shell() or ShellExecute() and everything is ok but when MS Outlook is open my script doesnt work. I use the same Shell() or ShellExecute() function and still does not work although windows executing this script. It stops in the loine "win32com.client.Dispatch("Outlook.Application")". I tried many tricks and I gave up. The most important is that when I use windows command line and run my script manyally (python sendoutlookmail.py) everything works well regardless of state of Outlook (open or closed). I think there is a different between calling script via Shell() function and run it directly from command line. I tried of course solution as follows: Set obj = CreateObject("WScript.Shell") obj.Run sPythonFile but its the same situation. I createt bat file and I execute this bat file which has inside commant to execute my python script. I have no idea how to run python script on my system that works the same as I call it directly from windows command line. regards Wojtek

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urllib unqoute providing string mismatch between string found using os.walk (Python3)
by Ben Hearn Dec. 22, 2019

Dec. 22, 2019

Hello all, I am having a bit of trouble with a string mismatch operation in my tool I am writing. I am comparing a database collection or url quoted paths to the paths on the users drive. These 2 paths look identical, one from the drive & the other from an xml url: a = '/Users/macbookpro/Music/tracks_new/_NS_2018/J.Staaf - ¡Móchate! _PromoMix_.wav' b = '/Users/macbookpro/Music/tracks_new/_NS_2018/J.Staaf - ¡Móchate! _PromoMix_.wav' But after realising it was failing on them I ran a difflib and these differences popped up. import difflib print('\n'.join(difflib.ndiff([a], [b]))) - /Users/macbookpro/Music/tracks_new/_NS_2018/J.Staaf - ¡Móchate! _PromoMix_.wav ? ^^ + /Users/macbookpro/Music/tracks_new/_NS_2018/J.Staaf - ¡Móchate! _PromoMix_.wav ? ^ What am I missing when it comes to unquoting the string, or should I do some other fancy operation on the drive string? Cheers, Ben

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Unable to install "collect" via pip3
by Mahmood Naderan Dec. 22, 2019

Dec. 22, 2019

Hi I can install collect with pip for python2.7 $ pip install --user collect Collecting collect Using cached https://files.pythonhosted.org/packages/cf/5e/c0f0f51d081665374a2c219ea4ba2… Collecting couchdbkit>=0.5.7 (from collect) Using cached https://files.pythonhosted.org/packages/a1/13/9e9ff695a385c44f62b4766341b97… Collecting restkit>=4.2.2 (from couchdbkit>=0.5.7->collect) Downloading https://files.pythonhosted.org/packages/76/b9/d90120add1be718f853c53008cf5b… (1.3MB) 100% |████████████████████████████████| 1.3MB 633kB/s Collecting http-parser>=0.8.3 (from restkit>=4.2.2->couchdbkit>=0.5.7->collect) Downloading https://files.pythonhosted.org/packages/07/c4/22e3c76c2313c26dd5f84f1205b91… (83kB) 100% |████████████████████████████████| 92kB 2.4MB/s Collecting socketpool>=0.5.3 (from restkit>=4.2.2->couchdbkit>=0.5.7->collect) Downloading https://files.pythonhosted.org/packages/d1/39/fae99a735227234ffec389b252c6d… Building wheels for collected packages: collect, couchdbkit, restkit, http-parser, socketpool Running setup.py bdist_wheel for collect ... done Stored in directory: /home/mnaderan/.cache/pip/wheels/b9/7c/7c/b09b334cc0e27b4f63ee9f6f19ca1f3db8672666a7e0f3d9cd Running setup.py bdist_wheel for couchdbkit ... done Stored in directory: /home/mnaderan/.cache/pip/wheels/f6/05/1b/f8f576ef18564bc68ab6e64f405e1263448036208cafb221e0 Running setup.py bdist_wheel for restkit ... done Stored in directory: /home/mnaderan/.cache/pip/wheels/48/c5/32/d0d25fb272791a68c49c26150f332d9b9492d0bc9ea0cdd2c7 Running setup.py bdist_wheel for http-parser ... done Stored in directory: /home/mnaderan/.cache/pip/wheels/22/db/06/cb609a3345e7aa87206de160f00cc6af364650d1139d904a25 Running setup.py bdist_wheel for socketpool ... done Stored in directory: /home/mnaderan/.cache/pip/wheels/93/f6/8c/65924848766618647078cb66b1d964e8b80876536e84517469 Successfully built collect couchdbkit restkit http-parser socketpool Installing collected packages: http-parser, socketpool, restkit, couchdbkit, collect Successfully installed collect-0.1.1 couchdbkit-0.6.5 http-parser-0.8.3 restkit-4.2.2 socketpool-0.5.3 However, pip3 fails with this error $ pip3 install --user collect Collecting collect Using cached https://files.pythonhosted.org/packages/cf/5e/c0f0f51d081665374a2c219ea4ba2… Collecting couchdbkit>=0.5.7 (from collect) Using cached https://files.pythonhosted.org/packages/a1/13/9e9ff695a385c44f62b4766341b97… Complete output from command python setup.py egg_info: Traceback (most recent call last): File "<string>", line 1, in <module> File "/tmp/pip-build-qf95n0tt/couchdbkit/setup.py", line 25, in <module> long_description = file( NameError: name 'file' is not defined ---------------------------------------- Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-qf95n0tt/couchdbkit/ I can not figure out what is the problem. Any way to fix that? More info: $ which python /usr/bin/python $ ls -l /usr/bin/python lrwxrwxrwx 1 root root 9 Apr 16 2018 /usr/bin/python -> python2.7 $ which python3 /usr/bin/python3 $ ls -l /usr/bin/python3 lrwxrwxrwx 1 root root 9 Jun 21 2018 /usr/bin/python3 -> python3.6 Regards, Mahmood

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SCons 3.1.2 Released
by Bill Deegan Dec. 21, 2019

Dec. 21, 2019

A new SCons checkpoint release, 3.1.2, is now available on the SCons download page: https://scons.org/pages/download.html Here is a summary of the changes since 3.1.1: NOTE: The 4.0.0 Release of SCons will drop Python 2.7 Support NEW FUNCTIONALITY - Added debug option "action_timestamps" which outputs to stdout the absolute start and end time for each target. REMOVED FUNCTIONALITY - Turn previously deprecated debug options into failures: --debug=tree, --debug=dtree, --debug=stree, --debug=nomemoizer. - Remove deprecated SourceSignatures, TargetSignatures - Remove deprecated Builder keywords: overrides and scanner - Remove deprecated env.Copy - Remove deprecated BuildDir plus SConscript keyword build_dir CHANGED/ENHANCED EXISTING FUNCTIONALITY - Update Command() function to accept target_scanner, source_factory, and target_factory arguments. This makes Command act more like a one-off builder. - Added support for "-imacros" to ParseFlags - EXPERIMENTAL NEW FEATURE: Enable caching MSVC configuration If SCONS_CACHE_MSVC_CONFIG shell environment variable is set, SCons will cache the results of past calls to vcvarsall.bat to a file; integrates with existing memoizing of such vars. On vs2019 saves 5+ seconds per SCons invocation, which really helps test suite runs. FIXES - Fix suncxx tool (Oracle Studio compiler) when using Python 3. Previously would throw an exception. Resolved by properly handling tool version string output as unicode. - Resolved a race condition in multithreaded Windows builds with Python 2 in the case where a child process is spawned while a Python action has a file open. Original author: Ryan Beasley. - Fix CheckFunc detection code for Visual 2019. Some functions (e.g. memmove) were incorrectly recognized as not available. - Fix stacktrace when using SCons with Python 3.5+ and SunOS/Solaris related tools. - Latex: Avoid crash with UnicodeDecodeError on Python 3 when a Latex log file in non-UTF-8 encoding (e.g. containing umlauts in Latin-1 encoding when the fontenc package is included with \usepackage[T1]{fontenc}) is read. - CmdStringHolder fix from issue #3428 IMPROVEMENTS - Improved threading performance by ensuring NodeInfo is shared across threads. Results in ~13% improvement for parallel builds (-j# > 1) with many shared nodes. - Improve performance of Entry.disambiguate() by making check for most common case first, preventing unnecessary IO. - Improved DAG walk performance by reducing unnecessary work when there are no un-visited children. PACKAGING - N/A DOCUMENTATION - N/A DEVELOPMENT - N/A Thanks to the following developers for their contributions to this release. git shortlog --no-merges -ns 3.1.1..HEAD 59 Mats Wichmann 21 William Deegan 8 Edoardo Bezzeccheri 5 Adam Gross 5 maiphi 4 Ivan Kravets 4 Mathew Robinson 2 Jakub Kulík 2 Jacek Kuczera 2 Rob Boehne 2 Jason Kenny 2 Tim Gates 1 Jakub Kulik 1 Theogen Ratkin 1 jw0k

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Re: How to specific multiple dtypes in numpy.ndarray?
by John Ladasky Dec. 21, 2019

Dec. 21, 2019

On Thursday, December 19, 2019 at 2:53:18 AM UTC-8, lampahome wrote: > I meet performance is low when I use struct.unpack to unpack binary data. > > So I tried to use numpy.ndarray > But meet error when I want to unpack multiple dtypes > > Can anyone teach me~ > > Code like below: > # python3 > import struct > import numpy as np > s1 = struct.Struct("@QIQ") > ss1 = s1.pack(1,11,111) > np.ndarray((3,), [('Q','I','Q')], ss1) > # ValueError: mismatch in size of old and new data-descriptor. Is there some reason that you're calling the np.ndarray constructor directly instead of the np.array convenience function? The arguments that you pass to each are slightly different. Generally, you want to use np.array. The first argument to np.ndarray is the shape. You appear to want three elements. The second argument to np.ndarray is the data type (dtype). It needs to be a SINGLE data type, like 'float' or 'int' or 'object'. All elements in in array are of the same dtype. If you want different behavior, I think that you want lists, not arrays. You can set the dtype to 'object' and you should be able to store any data type as an array element. But I don't think that offers you any advantages over using ordinary Python lists. In any case, it appears that you aren't passing a dtype as your second argument. You're trying to pass the data itself, as a tuple wrapped in a single list. This seems to be certain to raise an error. The third argument to np.ndarray is supposed to be the buffer which contains your data. https://docs.scipy.org/doc/numpy/reference/generated/numpy.array.html#numpy… ile:///usr/share/doc/python-numpy-doc/html/reference/generated/numpy.array.html#numpy.array

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Re: hexdump module installation error
by tommy yama Dec. 21, 2019

Dec. 21, 2019

Thanks to all giving me helpful comments. Multiple hexdump files are found. Maybe that"s the reason. I guess i can figure out On Thu, Dec 19, 2019 at 5:29 PM Dennis Lee Bieber <wlfraed(a)ix.netcom.com> wrote: > On Thu, 19 Dec 2019 12:43:11 +0000, tommy yama <bluebox03(a)gmail.com> > declaimed the following: > > > > >user@USERnoMacBook-Air LibraBrowser % python3 hexdump.py > > > > >/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/Resources/Python.app/Contents/MacOS/Python: > >can't open file 'hexdump.py': [Errno 2] No such file or directory > > > >user@USERnoMacBook-Air LibraBrowser % > > > > Well... what does > > find / -iname hexdump.py > > return? If found, is it in the Python search path? > > {Debian system here, but... (after doing apt install python3-pip)} > > wulfraed@debian:~$ pip3 install hexdump > Collecting hexdump > Downloading > > https://files.pythonhosted.org/packages/55/b3/279b1d57fa3681725d0db8820405c… > Building wheels for collected packages: hexdump > Running setup.py bdist_wheel for hexdump ... done > Stored in directory: > > /home/wulfraed/.cache/pip/wheels/d5/d1/f2/c8183b5863b3df595c2eeafd8e015a43dae13d403a959467c6 > Successfully built hexdump > Installing collected packages: hexdump > Successfully installed hexdump-3.3 > wulfraed@debian:~$ sudo find / -iname hexdump.py > /home/wulfraed/.local/lib/python3.7/site-packages/hexdump.py > find: ‘/run/user/1000/gvfs’: Permission denied > /usr/lib/python3/dist-packages/pygments/lexers/hexdump.py > /usr/lib/python2.7/dist-packages/pygments/lexers/hexdump.py > wulfraed@debian:~$ python3 > Python 3.7.3 (default, Apr 3 2019, 05:39:12) > [GCC 8.3.0] on linux > Type "help", "copyright", "credits" or "license" for more information. > >>> import hexdump > >>> dir(hexdump) > ['PY3K', '__author__', '__builtins__', '__cached__', '__doc__', '__file__', > '__history__', '__license__', '__loader__', '__name__', '__package__', > '__spec__', '__version__', 'binascii', 'chunkread', 'chunks', 'dehex', > 'dump', 'dumpgen', 'genchunks', 'hexdump', 'main', 'normalize_py', > 'restore', 'runtest', 'sys'] > >>> hexdump.__file__ > '/home/wulfraed/.local/lib/python3.7/site-packages/hexdump.py' > >>> > > Note that there are "hexdump.py" files involved with the pygments > package, which likely are not what you are looking for (quick glance -- the > pygments hexdump READS dump files). > > > -- > Wulfraed Dennis Lee Bieber AF6VN > wlfraed(a)ix.netcom.com > http://wlfraed.microdiversity.freeddns.org/ > > -- > https://mail.python.org/mailman/listinfo/python-list >

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Problems with "Tarfile.close()"
by Dr Rainer Woitok Dec. 21, 2019

Dec. 21, 2019

Greetings, One of my Python scripts basically does the following: source = tarfile.open(name=tar_archive , mode='r|*') dest = tarfile.open(fileobj=sys.stdout, mode='w|', format=fmt) . . . source.close() dest.close() In an attempt to move my Python scripts from Python 2.7 to Python 3.6 I ran into the problem that under Python 3.6 the call to "dest.close()" fails: Traceback (most recent call last): File ".../tar_archive.copy", line 137, in <module> dest.close() File "/usr/lib64/python3.6/tarfile.py", line 1742, in close self.fileobj.close() File "/usr/lib64/python3.6/tarfile.py", line 467, in close self.fileobj.write(self.buf) TypeError: write() argument must be str, not bytes What am I doing wrong? By the way: since on some hosts this script is running on the transition from Python 2.7 to Python 3.x will not happen immediately, I need a solution which works with both versions. Sincerely, Rainer

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Re: How to combine a group of lists together
by wanghao7915＠gmail.com Dec. 21, 2019

Dec. 21, 2019

Thanks! Actually, I neglected that my "print" is in the "for", so I get a group of lists. Now I put the "print" out of the iteration then use .extend to append each list I produce. Finally, print and get my ideal result. Haha, I'm too naive, so is my English.

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How to combine a group of lists together
by wanghao7915＠gmail.com Dec. 21, 2019

Dec. 21, 2019

I utilized .get_text() + .split() functions and obtain this: spe= ['$278.86as', 'of', 'Dec', '20,', '2019,', '06:47', 'PST', '-', 'Details'] ['4.7', 'inches'] ['750', 'x', '1334'] ['64', 'GB'] ['2', 'GB'] ['Apple', 'A11', 'Bionic,', 'Hexa-Core,', '(2x', 'Monsoon', '+', '4x', 'Mistral)'] ['5.22', 'ounces'] ['No'] ['No'] ['12', 'MP'] ['7', 'MP'] ['1821', 'mah'] ['No'] ['Yes,', 'on', 'the', 'front'] ['None'] ['iOS', '(Last', 'OS', 'info:', 'IOS', '11)'] ['September', '2017'] They have a shared name 'spe', but no concrete names for each list. If I use spe[0], I can only get all the first element of each list. How can I mix all of these elements into a single list like: ['$278.86as', 'of', 'Dec', '20,', '2019,', '06:47', 'PST', '-', 'Details','4.7', 'inches'......] Thanks!

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Re: How to extend an object?
by Greg Ewing Dec. 21, 2019

Dec. 21, 2019

On 21/12/19 1:59 am, Stefan Ram wrote: > I would like to add a method to a string. > > This is not possible in Python? It's not possible. Built-in classes can't have methods added to them. You can define your own subclass of str and give it whatever methods you want. But in your case: > for s in 'abc'.like( '(.)' ): I would recommend making it a stand-alone function instead, so that you would write for s in like('abc', '(.)'): -- Greg

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