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python Programming Glossary: rePython strings split with multiple separators http://stackoverflow.com/questions/1059559/python-strings-split-with-multiple-separators I want to do is a fairly common task but I've found no reference on the web. I have text with punctuation and I want an.. I want to do is a fairly common task but I've found no reference on the web. I have text with punctuation and I want an array.. and I want an array of the words. i.e Hey you what are you doing here should be 'hey' 'you' 'what' 'are' 'you' 'doing'..
What is the simplest way to SSH using Python? http://stackoverflow.com/questions/1233655/what-is-the-simplest-way-to-ssh-using-python Python What is the absolute simplest way to SSH to a remote server from a local Python 3.0 script supply a login password.. any large external library and not install anything on the remote server. python linux unix ssh share improve this question.. anything on the remote server. python linux unix ssh share improve this question I haven't tried it but this pysftp module..
How do I modify a text file in Python? http://stackoverflow.com/questions/125703/how-do-i-modify-a-text-file-in-python copying the file. How can I do that python file text share improve this question Unfortunately there is no way to insert.. file text share improve this question Unfortunately there is no way to insert into the middle of a file without re writing.. is no way to insert into the middle of a file without re writing it. As previous posters have indicated you can append..
Programmatically saving image to Django ImageField http://stackoverflow.com/questions/1308386/programmatically-saving-image-to-django-imagefield an image via HTTP tested and works The image is saved directly into the 'upload_to' folder the upload_to being the one.. set on the ImageField All I need to do is associate the already existing image file path with the ImageField I've written.. with the ImageField I've written this code about 6 different ways. The problem I'm running into is all of the code that..
Threading in a PyQt application: Use Qt threads or Python threads? http://stackoverflow.com/questions/1595649/threading-in-a-pyqt-application-use-qt-threads-or-python-threads in a PyQt application Use Qt threads or Python threads.. in a PyQt application Use Qt threads or Python threads I'm writing a GUI application that regularly.. in a PyQt application Use Qt threads or Python threads I'm writing a GUI application that regularly retrieves data..
How do I ensure that re.findall() stops at the right place? http://stackoverflow.com/questions/17765805/how-do-i-ensure-that-re-findall-stops-at-the-right-place do I ensure that re.findall stops at the right place Here is the code I.. do I ensure that re.findall stops at the right place Here is the code I have a.. do I ensure that re.findall stops at the right place Here is the code I have a ' title aaa title title aaa2 title title..
How do I force Python to be 32-bit on Snow Leopard and other 32-bit/64-bit questions http://stackoverflow.com/questions/2088569/how-do-i-force-python-to-be-32-bit-on-snow-leopard-and-other-32-bit-64-bit-quest shell on my Mac file usr bin python I get the following three lines usr bin python for architecture x86_64 Mach O 64 bit.. get the following three lines usr bin python for architecture x86_64 Mach O 64 bit executable x86_64 usr bin python for architecture.. O 64 bit executable x86_64 usr bin python for architecture i386 Mach O executable i386 usr bin python for architecture..
Best way to strip punctuation from a string in Python http://stackoverflow.com/questions/265960/best-way-to-strip-punctuation-from-a-string-in-python punctuation from a string in Python It seems like there should be a simpler way than import string s string. With. Punctuation.. out s.translate string.maketrans string.punctuation Is there python string share improve this question From an efficiency.. string.punctuation Is there python string share improve this question From an efficiency perspective you're..
Remove specific characters from a string in python http://stackoverflow.com/questions/3939361/remove-specific-characters-from-a-string-in-python specific characters from a string in python I'm trying to remove specific characters from a string using python. This is.. nothing to the string for char in line if char in . line.replace char '' python string immutability share improve this.. in . line.replace char '' python string immutability share improve this question Strings in python are immutable can't..
What is the difference between list and list[:] in python? http://stackoverflow.com/questions/4081561/what-is-the-difference-between-list-and-list-in-python is the difference between list and list in python What if any is the difference.. between list and list in python What if any is the difference between list and list in python python share improve this.. difference between list and list in python python share improve this question When reading list is a reference to..
Python list comprehension rebind names even after scope of comprehension. Is this right? http://stackoverflow.com/questions/4198906/python-list-comprehension-rebind-names-even-after-scope-of-comprehension-is-thi list comprehension rebind names even after scope of comprehension. Is this.. list comprehension rebind names even after scope of comprehension. Is this right .. list comprehension rebind names even after scope of comprehension. Is this right List comprehensions are having some unexpected..
Reversing a regular expression in python http://stackoverflow.com/questions/492716/reversing-a-regular-expression-in-python a regular expression in python I want to reverse a regular expression... a regular expression in python I want to reverse a regular expression. i.e... a regular expression in python I want to reverse a regular expression. i.e. given a regular expression I..
Python string formatting: % vs. .format http://stackoverflow.com/questions/5082452/python-string-formatting-vs-format introduced the string.format method with a slightly different syntax from the existing operator. Which is better and for.. each method and has the same outcome so what is the difference # usr bin python sub1 python string sub2 an arg a i am a.. kwarg sub2 print a print b print c print d Furthermore when does string formatting occur in python for example if my..
How to clear python interpreter console? http://stackoverflow.com/questions/517970/how-to-clear-python-interpreter-console to clear python interpreter console Like most Python developers I typically keep a console.. typically keep a console window open with the Python interpreter running to test commands dir stuff help stuff etc. Like any.. backlog of past commands and prints gets to be cluttered and sometimes confusing when re running the same command several..
How do I duplicate sys.stdout to a log file in python? http://stackoverflow.com/questions/616645/how-do-i-duplicate-sys-stdout-to-a-log-file-in-python to a log file in python Edit Since it appears that there's either no solution or I'm doing something so non standard.. I'm doing something so non standard that nobody knows I'll revise my question to also ask What is the best way to accomplish.. In interactive mode I want all output to go to the screen as well as to a log file including output from any system..
How do you validate a URL with a regular expression in Python? http://stackoverflow.com/questions/827557/how-do-you-validate-a-url-with-a-regular-expression-in-python do you validate a URL with a regular expression in Python I'm building a Google App Engine.. do you validate a URL with a regular expression in Python I'm building a Google App Engine app and I have.. I'm building a Google App Engine app and I have a class to represent an RSS Feed. I have a method called setUrl which is part..
What is the reason for performing a double fork when creating a daemon? http://stackoverflow.com/questions/881388/what-is-the-reason-for-performing-a-double-fork-when-creating-a-daemon is the reason for performing a double fork when creating a daemon I'm.. is the reason for performing a double fork when creating a daemon I'm trying to create a daemon in python. I've.. a double fork when creating a daemon I'm trying to create a daemon in python. I've found the following question which..
Stripping non printable characters from a string in python http://stackoverflow.com/questions/92438/stripping-non-printable-characters-from-a-string-in-python Perl to get rid of non printable characters. In Python there's no POSIX regex classes and I can't write print having it mean.. of non printable characters. In Python there's no POSIX regex classes and I can't write print having it mean what I want... strip them out of the output. curses.ascii.isprint will return false for any unicode character. python string non printable..
Know any creative ways to interface Python with Tcl? http://stackoverflow.com/questions/1004434/know-any-creative-ways-to-interface-python-with-tcl Hello World dlroW olleH stup sgra nwonknu corp Edit in Re to comment Python's tcl interpreter is not aware of other installed..
Python Virtualenv - No module named virtualenvwrapper.hook_loader http://stackoverflow.com/questions/11507186/python-virtualenv-no-module-named-virtualenvwrapper-hook-loader Python.framework Versions Current bin python python Re arrange the export command in order that it is placed before.. .virtualenvs source usr local bin virtualenvwrapper.sh Re Install setuptools easy install and PIP. This is obviously needed..
Tkinter locks python when Icon loaded and tk.mainloop in a thread http://stackoverflow.com/questions/1198262/tkinter-locks-python-when-icon-loaded-and-tk-mainloop-in-a-thread code works. Uncomment the t.iconbitmap line and it locks. Re arrange it any way you like it will lock. Does anyone know how..
Python: tf-idf-cosine: to find document similarity http://stackoverflow.com/questions/12118720/python-tf-idf-cosine-to-find-document-similarity 958 From rseymour@reed.edu Robert Seymour Subject Re WHAT car is this Article I.D. reed.1993Apr21.032905.29286 Reply.. WHAT car is this Article I.D. reed.1993Apr21.032905.29286 Reply To rseymour@reed.edu Organization Reed College Portland OR.. Reply To rseymour@reed.edu Organization Reed College Portland OR Lines 26 In article 1993Apr20.174246.14375@wam.umd.edu..
Multiplying a huge number times random() (Python) http://stackoverflow.com/questions/12161988/multiplying-a-huge-number-times-random-python binString . Current Code works for smaller numbers binaryRepresentation '' binaryRepresentation bin int random.random 2.. works for smaller numbers binaryRepresentation '' binaryRepresentation bin int random.random 2 binLength 2 .zfill binLength.. random bits as a long then you'd save yourself some time. Re running the benchmark using os.urandom 250 instead without additional..
Python - performance with global variables vs local http://stackoverflow.com/questions/12590058/python-performance-with-global-variables-vs-local functions or replacing list searches with dictionaries. Re profile to make sure the function is still a problem. Consider..
http://stackoverflow.com/questions/15087339/undecompilable-python bloody hard to read your application's Python bytecode Re assign all python opcode values a new value. Rewire the whole.. bytecode Re assign all python opcode values a new value. Rewire the whole interpreter to use different byte values for different.. to use different byte values for different opcodes. Remove all as many introspection features as you can get away with...
http://stackoverflow.com/questions/2106820/re-open-files-in-python open files in Python Say I have this simple python script file..
Is Python good for big software projects (not web based)? http://stackoverflow.com/questions/35753/is-python-good-for-big-software-projects-not-web-based and it's Python which IMO means loc per feature is low at Resolver Systems so I'd definitely say it's ready for production.. these days without writing the tests first but YMMV. Re the IDE we've been pretty much fine with each person using their..
http://stackoverflow.com/questions/4018860/text-box-in-matplotlib event.name fig.canvas.callbacks.callbacks event.name # Re draw the figure.. fig.canvas.draw # Reset the draw event callbacks.. event.name # Re draw the figure.. fig.canvas.draw # Reset the draw event callbacks fig.canvas.callbacks.callbacks event.name..
Python: override __str__ in an exception instance http://stackoverflow.com/questions/5918003/python-override-str-in-an-exception-instance with a fixed string return Override def reraise exception Re raise an exception and override its output exception.__str__.. types.MethodType str_override exception type exception # Re raise and remove ourselves from the stack trace. raise exception.. can do something like this instead def reraise exception Re raise an exception and override its output exType type exception..
How to concisely cascade through multiple regex statements in Python http://stackoverflow.com/questions/597476/how-to-concisely-cascade-through-multiple-regex-statements-in-python to do it but converting it into a class import re class Re object def __init__ self self.last_match None def match self.. re.search pattern text return self.last_match gre Re if gre.match r'foo' text # do something with gre.last_match..
Exception thrown in multiprocessing Pool not detected http://stackoverflow.com/questions/6728236/exception-thrown-in-multiprocessing-pool-not-detected arrange to log the traceback error traceback.format_exc # Re raise the original exception so the Pool worker can # clean..
PyAudio working, but spits out error messages each time http://stackoverflow.com/questions/7088672/pyaudio-working-but-spits-out-error-messages-each-time PyAudio p pyaudio.PyAudio p.terminate print ' ' 40 # Reset to default error handler asound.snd_lib_error_set_handler.. error handler asound.snd_lib_error_set_handler None # Re initialize p pyaudio.PyAudio p.terminate An output from my computer..
Re-raise Python exception and preserve stack trace http://stackoverflow.com/questions/8760267/re-raise-python-exception-and-preserve-stack-trace raise Python exception and preserve stack trace I'm trying..
Python, Tkinter How to Stop Text box Re-size on Font Change? http://stackoverflow.com/questions/9833698/python-tkinter-how-to-stop-text-box-re-size-on-font-change Tkinter How to Stop Text box Re size on Font Change I've been using Python for a few months..
Python: removing characters except digits from string http://stackoverflow.com/questions/1450897/python-removing-characters-except-digits-from-string is well worth knowing and using. The other popular non RE approach... python mtimeit s'x aaa12333bb445bb54b5b52 ' ' .join.. loops best of 3 11.5 usec per loop is 50 slower than RE so the .translate approach beats it by over an order of magnitude...
How can you detect if two regular expressions overlap in the strings they can match? http://stackoverflow.com/questions/1849447/how-can-you-detect-if-two-regular-expressions-overlap-in-the-strings-they-can-ma NFA that compactly encodes all the strings that the RE matches. Given any pair of NFA it's decidable whether their.. the intersection isn't empty then some string matches both REs in the pair and conversely . The standard decidability proof..
http://stackoverflow.com/questions/1921894/grep-and-python of searching a file using grep via a regular expression 'RE' from the unix command line. For example when i type in the.. when i type in the command line python pythonfile.py 'RE' 'file to be searched' I need the regualr expression 'RE' to.. 'RE' 'file to be searched' I need the regualr expression 'RE' to be searched in the file and print out the lines that contain..
What's the best tool to parse log files? http://stackoverflow.com/questions/1994355/whats-the-best-tool-to-parse-log-files Perl is a popular language and has very convenient native RE facilities. I personally feel a lot more comfortable with Python.. Python and find that the little added hassle for doing REs is not significant. If you want to do something smarter than.. not significant. If you want to do something smarter than RE matching or want to have a lot of logic you may be more comfortable..
http://stackoverflow.com/questions/2175080/sscanf-in-python above. Is there a Python equivalent to sscanf not RE or a string splitting function in the standard library that..
Find all Chinese text in a string using Python and Regex http://stackoverflow.com/questions/2718196/find-all-chinese-text-in-a-string-using-python-and-regex represented in narrow Unicode builds via surrogate pairs RE re.compile u' ⺀ ⺙â ⻳â ⿕々〇〠©ã€ ºã€»ã 䶵ä 鿃è 鶴侮 »ä¸¦ 龎]' re.UNICODE.. ⺙â ⻳â ⿕々〇〠©ã€ ºã€»ã 䶵ä 鿃è 鶴侮 »ä¸¦ 龎]' re.UNICODE nochinese RE.sub '' mystring The code for building the RE and if you need.. nochinese RE.sub '' mystring The code for building the RE and if you need to detect Chinese characters in the supplementary..
Efficiently carry out multiple string replacements in Python http://stackoverflow.com/questions/3367809/efficiently-carry-out-multiple-string-replacements-in-python for a class rather than procedural programming because the RE to locate the substrings to replace the dict expressing what..
http://stackoverflow.com/questions/3517802/python-raw-literal-string no other design objective exists for such literals. And RE patterns never need to end with a backslash but they might need..
Find the indexes of all regex matches in Python? http://stackoverflow.com/questions/3519565/find-the-indexes-of-all-regex-matches-in-python instances over all non overlapping matches for the RE pattern in string. The string is scanned left to right and matches..
python re.sub group: number after \number http://stackoverflow.com/questions/5984633/python-re-sub-group-number-after-number
Parallel file matching, Python http://stackoverflow.com/questions/7623211/parallel-file-matching-python scanner patterns patterns fPatt open ' root patterns' giantRE ' ' for line in fPatt #patterns.append re.compile line.rstrip.. in fPatt #patterns.append re.compile line.rstrip re.IGNORECASE giantRE giantRE line.rstrip ' ' giantRE giantRE 1 ' ' giantRE.. #patterns.append re.compile line.rstrip re.IGNORECASE giantRE giantRE line.rstrip ' ' giantRE giantRE 1 ' ' giantRE re.compile..
Ignore case in glob() on Linux http://stackoverflow.com/questions/8151300/ignore-case-in-glob-on-linux pattern so re.compile fnmatch.translate pattern re.IGNORECASE gives you a case insensitive version of a glob pattern as.. a case insensitive version of a glob pattern as a compiled RE. Keep in mind that if the filesystem is hosted by a Linux box..
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