time.perf_counter in Python 2?

Hello, I wrote a script that does some time measurements. It uses time.perf_counter() from Python 3 which works very well. Now I need to backport it to python 2. Docs say that time.clock() is way to go: time.clock() On Unix, return the current processor time as a floating point number express

Why is regexp not working?

Hello, I have that piece of code: def _split_block(self, block): cre = [re.compile(r, flags = re.MULTILINE) for r in self.regexps] block = "".join(block) print(block) print("---") for regexp in cre: match = regexp.match(block

Get named groups from a regular expression

Hello, Is there a way I can extract the named groups from a regular expression? e.g. given "(?P\d)" I want to get something like ["testgrp"]. OR Can I make the match object to return default values for named groups, even if no match was produced? Thanks, Florian -- https://mail.python.org/m

Format String: Only when value supplied

Hello, I have a format string like: print "{:10} {:25} = {:6} ({})".format(mod, name, value, description) description can be None. In this case I want to print an empty string (which can be achieved by replacing it with 'description or ""') and I want to omit the brackets. Is there a way to

Re: python-list@python.org

Am Dienstag, 14. Januar 2014, 17:00:48 schrieb MRAB: > On 2014-01-14 16:37, Florian Lindner wrote: > > Hello! > > > > I'm using python 3.2.3 on debian wheezy. My script is called from my mail > > delivery agent (MDA) maildrop (like procmail) through it's x

Encoding trouble when script called from application

Hello! I'm using python 3.2.3 on debian wheezy. My script is called from my mail delivery agent (MDA) maildrop (like procmail) through it's xfilter directive. Script works fine when used interactively, e.g. ./script.py < testmail but when called from maildrop it's producing an infamous UnicodeD

argparse action on default values

Hello, I use argparse from Python 3.3.3 with a custom action that normalizes path arguments: http://docs.python.org/3/library/argparse.html#action def norm_path(*parts): """ Returns the normalized, absolute, expanded and joined path, assembled of all parts. """ parts = [ str(p) for p i

Re: Trouble with UnicodeEncodeError and email

Am Donnerstag, 9. Januar 2014, 00:26:15 schrieb Chris Angelico: > On Thu, Jan 9, 2014 at 12:14 AM, Florian Lindner wrote: > > I've written some tiny script using Python 3 and it used to work perfectly. > > Then I realized it needs to run on my Debian Stable server too, wh

Trouble with UnicodeEncodeError and email

Hello! I've written some tiny script using Python 3 and it used to work perfectly. Then I realized it needs to run on my Debian Stable server too, which offers only Python 2. Ok, most backporting was a matter of minutes, but I'm becoming desperate on some Unicode error... i use scikit-learn to

Flattening an email message

Hello, I want to use some machine learning stuff on mail messages. First step is get some flattened text from a mail message, python's email package does not work as automatically as I wish. Right now I have: > def mail_preprocessor(str): > msg = email.message_from_string(str) > msg_bod

Re: Problem calling script with arguments

Am Dienstag, 15. Oktober 2013, 13:18:17 schrieb Michael Speer: > > "/usr/sbin/ftpasswd" "--hash" > > You're missing a comma, and python automatically concatenates adjacent > strings. Damn! Thanks! > > On Tue, Oct 15, 2013 at 1:13 PM, Florian L

Problem calling script with arguments

Hello, I have a 3rd party perl script: head -n 1 /usr/sbin/ftpasswd #!/usr/bin/perl I want to write data to stdin and read from stdout: proc = Popen( ["/usr/bin/perl", "/usr/sbin/ftpasswd" "--hash", "--stdin"], stdout=PIPE, stdin=PIPE) output, input = proc.communicate(pwd) return output.stri

Using inner dict as class interface

Hello, I have a: class C: def __init__(self): d = dict_like_object_created_somewhere_else() def some_other_methods(self): pass class C should behave like a it was the dict d. So I could do: c = C() print c["key"] print len(c) but also c.some_other_method() How can I achieve

Logging handler: No output

Hello, I have a class method that executes a subprocess. There are two loggers in the class, self.logger for general logging and proclog for process output (stdout & stderr) logging which should go to stdout and a file: def start_process(self, command, no_shlex=False, raise_excpt=True,

XML parser: Element ordering?

Hello, I plan to use the etree.ElementTree XML parser to parse a config file in which the order of the elements matter, e.g.: is not equal to: I have found different answers to the question if order matters in XML documents. So my question here: Does it matters (and is more or less guare

Cut out XML subtree

Hello, I have a (rather small, memory consumption is not an issue) XML document. The application is still at the planning stage, so none of the XML parsers from the stdlib is choosen yet. I want to cut out an XML subtree like that: Now I want to get the subB note inclu

Remove root handler from logger

Hello, I configure my logging on application startup like that: logging.basicConfig(level = logging.DEBUG, format=FORMAT, filename = logfile) ch = logging.StreamHandler() ch.setFormatter(logging.Formatter(FORMAT)) logging.getLogger().addHandler(ch) In one module of my application I want a logge

tee-like behavior in Python

Hello, how can I achieve a behavior like tee in Python? * execute an application * leave the output to stdout and stderr untouched * but capture both and save it to a file (resp. file-like object) I have this code proc = subprocess.Popen(shlex.split(cmd), stdout = subprocess.PIPE, stderr=subpro

Re: Avoid newline at the end

Steven D'Aprano wrote: > On Sun, 11 Nov 2007 11:22:19 +0100, Florian Lindner wrote: > >> Hello, >> I have a piece of code like that: >> >> for row in resultSet: >> logs += "/home/%s/%s/log/access.log \n" % (row[1], row[0]) >>

Avoid newline at the end

Hello, I have a piece of code like that: for row in resultSet: logs += "/home/%s/%s/log/access.log \n" % (row[1], row[0]) logs += "/home/%s/%s/log/error.log \n" % (row[1], row[0]) # <-- Now I want to avoid the newline at the last iteration and only at the second line. How to d

Re: Coding Help

Marc 'BlackJack' Rintsch wrote: > On Sat, 10 Nov 2007 09:45:47 -0800, rishiyoor wrote: > >> I need help coding my flowchart. The C's are conditions, the S's are >> statements. The statements do not affect the conditions except for S5 >> which is an increment for C0. The left is True, and the righ

Re: Problem with format string / MySQL cursor

On 18 Okt., 22:08, Paul McNett <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > > On Oct 19, 7:32 am, Florian Lindner <[EMAIL PROTECTED]> wrote: > >> Hello, > >> I have a string: > > >> INSERT INTO mailboxes (`name`, `login`, `home`, `mail

Problem with format string / MySQL cursor

Hello, I have a string: INSERT INTO mailboxes (`name`, `login`, `home`, `maildir`, `uid`, `gid`, `password`) VALUES (%s, %s, %s, %s, %i, %i, %s) that is passed to a MySQL cursor from MySQLdb: ret = cursor.execute(sql, paras) paras is: ('flindner', '[EMAIL PROTECTED]', '/home/flindner/', '/home

Re: test if email

[EMAIL PROTECTED] wrote: > On Oct 12, 2:55 pm, Florian Lindner <[EMAIL PROTECTED]> wrote: >> Hello, >> is there a function in the Python stdlib to test if a string is a valid >> email address? >> >> Thanks, >> >> florian > > What do you m

Re: Problem with global

Larry Bates wrote: > Florian Lindner wrote: >> Hello, >> I have a little problem with the global statement. >> >> def executeSQL(sql, *args): >> try: >> import pdb; pdb.set_trace() >> cursor = db.cursor() # db is . >>

test if email

Hello, is there a function in the Python stdlib to test if a string is a valid email address? Thanks, florian -- http://mail.python.org/mailman/listinfo/python-list

Problem with global

Hello, I have a little problem with the global statement. def executeSQL(sql, *args): try: import pdb; pdb.set_trace() cursor = db.cursor() # db is . [...] except: print "Problem contacting MySQL database. Please contact root." sys.exit(-1) db =

Re: Problem with MySQL cursor

Carsten Haese wrote: > On Fri, 2007-10-12 at 13:12 +0200, Florian Lindner wrote: >> Carsten Haese wrote: >> > sql = "INSERT INTO "+DOMAIN_TABLE+"("+DOMAIN_FIELD+") VALUES (%s)" >> > executeSQL(sql, domainname) >> >> Ok, I under

Re: Problem with MySQL cursor

Carsten Haese wrote: > On Thu, 2007-10-11 at 15:14 +0200, Florian Lindner wrote: >> Hello, >> I have a function that executes a SQL statement with MySQLdb: >> >> def executeSQL(sql, *args): >> print sql % args >> cursor = conn.c

Last iteration?

Hello, can I determine somehow if the iteration on a list of values is the last iteration? Example: for i in [1, 2, 3]: if last_iteration: print i*i else: print i that would print 1 2 9 Can this be acomplished somehow? Thanks, Florian -- http://mail.python.org/mailman/lis

Problem with MySQL cursor

Hello, I have a function that executes a SQL statement with MySQLdb: def executeSQL(sql, *args): print sql % args cursor = conn.cursor() cursor.execute(sql, args) cursor.close() it's called like that: sql = "INSERT INTO %s (%s) VALUES (%s)" executeSQL(sql, DOMAIN_TABLE,

Formal interfaces with Python

Hello, some time ago I've heard about proposals to introduce the concecpt of interfaces into Python. I found this old and rejected PEP about that: http://www.python.org/dev/peps/pep-0245/ What is the current status of that? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Convert from/to struct_time

Hello, I have a struct_time and a datetime object and need compare them. Is there any function that converts either of these two to another? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Re: RSS feed parser

[EMAIL PROTECTED] wrote: > On Apr 2, 10:20 pm, Florian Lindner <[EMAIL PROTECTED]> wrote: >> Some of the question I have but found answered nowhere: >> >> I have a feedparser object that was created from a string. How can I >> trigger a update (from a new string

Re: RSS feed parser

[EMAIL PROTECTED] wrote: > On Apr 2, 7:22 pm, Florian Lindner <[EMAIL PROTECTED]> wrote: >> Hello, >> I'm looking for python RSS feed parser library. >> Feedparserhttp://feedparser.org/does not seem to maintained anymore. >> >> What alternatives ar

RSS feed parser

Hello, I'm looking for python RSS feed parser library. Feedparser http://feedparser.org/ does not seem to maintained anymore. What alternatives are recommendable? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Using string as file

Hello, I have a function from a library thast expects a file object as argument. How can I manage to give the function a string resp. have the text it would have written to file object as a string? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

RSS feed creator

Hello, I'm looking for a python library that creates a RSS and/or Atom feed. E.g. I give a list like that: [ [title1, short desc1, author1], [title2, short desc2, author2], ] and the library creates a valid feed XML file. (return as a string) Thanks, Florian -- http://mail.python.org/mailma

Static variables

Hello, does python have static variables? I mean function-local variables that keep their state between invocations of the function. Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Re: ConfigParser and multiple option names

[EMAIL PROTECTED] wrote: > that will break horribly in windows, remenber it install all it's crap > in c:\Program Files Why should this break? If you split at the \n character? Florian -- http://mail.python.org/mailman/listinfo/python-list

Calling superclass

Hello, I try to call the superclass of the ConfigParser object: class CustomizedConfParser(ConfigParser.SafeConfigParser): def get(self, section, attribute): try: return super(CustomizedConfParser, self).get(section, attribute) # [...] but that gives only ret

Gettings subdirectories

Hello, how can I get all subdirectories of a given directories? os.listdir() gives me all entries and I've found no way to tell if an object is a file or a directory. Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

RFC 822 continuations

Hello, http://docs.python.org/lib/module-ConfigParser.html writes: "with continuations in the style of RFC 822; " what is meant with these continuations? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Re: ConfigParser and multiple option names

Alexis Roda wrote: > Florian Lindner escribió: >> I think the best solution would be to use a seperation character: >> >> dir="/home/florian, /home/john, home/whoever" > > RCS uses , in filenames A kommata (,) is a valid character in path names. Ok, you

ConfigParser and multiple option names

Hello, since ConfigParser does not seem to support multiple times the same option name, like: dir="/home/florian" dir="/home/john" dir="/home/whoever" (only the last one is read in) I wonder what the best way to work around this. I think the best solution would be to use a seperation character:

Get path of a class

Hello, how can I get the path of a class. I managed to do it with c.__module__ + "." + c.__name__ but I'm sure there is a better way. Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Re: Graphical debugger/code explorer

benz wrote: PYTHON_IDE={ > 'spe' : 'http://spe.pycs.net/', > 'eric3' : 'http://www.die-offenbachs.de/detlev/eric3.html', > 'drpython' : 'http://drpython.sourceforge.net/'} I've tried out eric3 and it looks promising. However, I have one problem. I open a file which is part of Zope and set a b

Graphical debugger/code explorer

Hello, in order to understand python code from a larger project (Zope 3) I'm looking for a tool that helps me with that. It should also help What (graphical) application running on Linux can you recommend? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Monitoring a directory for changes

Hello, is there a python lib (preferably in the std lib) to monitor a directory for changes (adding / deleting files) for Linux 2.6? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Re: Python for Webscripting (like PHP)

Florian Lindner wrote: > Hello, > I've been using Python a lot for scripting (mainly scripts for server > administration / DB access). All these scripts were shell based. > > Now I'm considering using Python (with mod_python on Apache 2) for a web > project, ju

Python for Webscripting (like PHP)

Hello, I've been using Python a lot for scripting (mainly scripts for server administration / DB access). All these scripts were shell based. Now I'm considering using Python (with mod_python on Apache 2) for a web project, just how I've used PHP in some smaller Projects before ().. How suitable

Problem with sha.new

Hello, I try to compute SHA hashes for different files: for root, dirs, files in os.walk(sys.argv[1]): for file in files: path = os.path.join(root, file) print path f = open(path) sha = sha.new(f.read()) sha.update(f.read()) print sha.hexdigest

directory traverser

Hello, IIRC there is a directory traverser for walking recursively through subdirectories in the standard library. But I can't remember the name and was unable to find in the docs. Anyone can point me to it? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Re: What are the other options against Zope?

Peter Hansen wrote: > Florian Lindner wrote: >> Peter Hansen wrote: >>>[Zope] doesn't include >>>database interfaces other than to its own ZODB. >> >> That's not correct. Zope2 includes DB interfaces to MySQL, PostGre, ODBC >> and many oth

Re: What are the other options against Zope?

Peter Hansen wrote: > godwin wrote: >> I wanna thank Martin for helping out with my ignorance concerning >> execution of stored procedure with python. Now i have decided to write >> a web app that googles into my companies proprietary database. > > Just checking... do you really mean "googl

key - key pairs

Hello, is there in python a kind of dictionary that supports key - key pairs? I need a dictionary in which I can access a certain element using two different keys, both unique. For example: I've a dictionary with strings and times. Sometimes I have the string and I want to have the time, other ti

Optimize a cache

Hello, I am building a object cache in python, The cache has a maximum size and the items have expiration dates. At the moment I'm doing like that: cache = {} # create dictionary cache[ID] = (object, timestamp) # Save a tuple with the object itself and a timestamp (from datetime.datetime.now()) u

timedelta comparision with gmtime()

Hello, I want to know if a certain duration is over. I try it like this with timedelta objects: d = datetime.timedelta(minutes = 2) t = time.gmtime() print (t + d < time.gmtime()) gives: TypeError: unsupported operand type(s) for +: 'datetime.timedelta' and 'time.struct_time' How to do that rig

Escape spaces in strings

Hello, is there a function to escape spaces and other characters in string for using them as a argument to unix command? In this case rsync (http://samba.anu.edu.au/rsync/FAQ.html#10) Thx, Florian -- http://mail.python.org/mailman/listinfo/python-list

Re: Problems with csv module

Richie Hindle wrote: > > [Florian] >> You mean that csv.reader can't work with unicode as the delimiter >> parameter? > > Exactly. http://www.python.org/doc/2.3.5/lib/module-csv.html says: > > "Note: This version of the csv module doesn't support Unicode input. Also, > there are currently some

Re: Problems with csv module

Richie Hindle wrote: > > [Florian] >> I've one problem using the csv module. >> The code: >> >> self.reader = csv.reader(f, delimiter = ",") >> >> works perfectly. But when I use a variable for delimiter: >> >> self.reader = csv.reader(f, delimiter = Adelimiter) >> >> I get th

Problems with csv module

Hello, I've one problem using the csv module. The code: self.reader = csv.reader(f, delimiter = ",") works perfectly. But when I use a variable for delimiter: self.reader = csv.reader(f, delimiter = Adelimiter) I get the traceback: File "/home/florian/visualizer/ConfigReader.

bad argument type for built-in operation

Hello, I've the traceback: Traceback (most recent call last): File "visualizer.py", line 8, in ? main() File "visualizer.py", line 5, in main g = GraphCreator(f) File "/home/florian/visualizer/GraphCreator.py", line 13, in __init__ self.conf = ConfigReader(config) File "/home/f

Getting number of iteration

Hello, when I'm iterating through a list with: for x in list: how can I get the number of the current iteration? Thx, Florian -- http://mail.python.org/mailman/listinfo/python-list

Variable option count

Hello, how can I give an arbitrary number of options in a automated way to a function? Example. I've the list A = [ 1 2 3 ... ] Now I want to give this list to a function so that it is the same for function like: f(1, 2, 3, ...) How can I do that? Thanks, Flor

Problem with pyXML DOM

Hello, I'm using the PyXML Package. My XML document looks like that: /home/florian/visualizer/testdata.csv print sourceNode.getElementsByTagName("filename")[0] print sourceNode.getElementsByTagName("filename")[0].nodeValue() gives: Traceback (most recen

Re: Problem with pyXML DOM

Maniac wrote: > Florian Lindner wrote: > >>Traceback (most recent call last): >> File "ConfigReader.py", line 40, in ? >>c = ConfigReader(f) >> File "ConfigReader.py", line 32, in __init__ >>print sourceNode.getElementsByTagName(&

Libraries for creating graphs

Hello, I'm looking for libraries to create graphs. I'm not talking about plotting a function like f(x)=x^2 just plotting a couple of values into a short, maybe interpolating them. Output should be something like JPEG. Thx, Florian -- http://mail.python.org/mailman/listinfo/python-list

Comparision of GUI framworks

Hello, I've read the chapter in the Python documentation, but I'm interested in a a more in-depth comparision. Especially regarding how pythonic it is and how well it performs and looks under Windows. I've some C++ experiences with Qt, so I'm very interested to have PyQt compared to wxWindows and T

Re: Secure scripts variables

Paul Rubin wrote: > Florian Lindner <[EMAIL PROTECTED]> writes: >> I have a script which is readable and executable by a user, but not >> writable. >> The users executes the scripts, it reads in a value and based on this >> value it computes a result and stores

Secure scripts variables

Hello, given the following situation: I have a script which is readable and executable by a user, but not writable. The users executes the scripts, it reads in a value and based on this value it computes a result and stores it in a variable. Can the user read out the value of this variable? If yes

Re: Save passwords in scripts

Serge Orlov wrote: > Florian Lindner wrote: >> Paul Rubin wrote: >> >>> - sort of similar: have a separate process running that knows the >>> password (administrator enters it at startup time). That process >>> listens on a unix socket and checks

Re: Save passwords in scripts

Paul Rubin wrote: > Florian Lindner <[EMAIL PROTECTED]> writes: >> I've a scripts that allows limited manipulation of a database to users. >> This script of course needs to save a password for the database >> connection. The users, on the other hand need read perm

Re: Save passwords in scripts

Esben Pedersen wrote: > Florian Lindner wrote: >> Hello, >> I've a scripts that allows limited manipulation of a database to users. >> This script of course needs to save a password for the database >> connection. The users, on the other hand need read permiss

Re: Save passwords in scripts

Peter Hansen wrote: > Florian Lindner wrote: >> I've a scripts that allows limited manipulation of a database to users. >> This script of course needs to save a password for the database >> connection. The users, on the other hand need read permission on the >> s

Save passwords in scripts

Hello, I've a scripts that allows limited manipulation of a database to users. This script of course needs to save a password for the database connection. The users, on the other hand need read permission on the script in order to execute it but should not be able to read out the password. What is

Mark attribute as read-only

Hello, how can I mark a attribute of a class as read-only (for non classmembers)? Yes, stupid question, but the docu gave me no help. Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Lib for RSS/Atom parsing

Hello, what is a good python library for parsing of RSS and/or Atom feeds. It should be able to handle most of the common protocols. Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

How to access database?

Hello, AFAIK python has a generic API for database access which adapters are supposed to implement. How can I found API documentation on the API? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Re: Help with super()

Steven Bethard schrieb: Christopher J. Bottaro wrote: Why don't this code work? import PRI class Poscdnld_PYIO(PRI.BasicBatch): def __init__(self, *argv): super(Poscdnld_PYIO, self).__init__(*argv) x = Poscdnld_PYIO() I get this exception: File "poscdnld_pyio.py", line 52, in __init__

Forums based on python

Hello, which free forums, based on mod_python and MySQL are around there? Something like phpBB... Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list

Importing class from file in package

Hello, I've two files in my package. In the first file I want to inport a class which is declared in the second file. How can do that without stating the absolute path to the file, just the relative one? Thanks, Florian -- http://mail.python.org/mailman/listinfo/python-list