¡@
python Programming Glossary: pipelineImplementing Bag-of-Words Naive-Bayes classifier in NLTK http://stackoverflow.com/questions/10098533/implementing-bag-of-words-naive-bayes-classifier-in-nltk from sklearn.naive_bayes import MultinomialNB from sklearn.pipeline import Pipeline pipeline Pipeline 'tfidf' TfidfTransformer .. import MultinomialNB from sklearn.pipeline import Pipeline pipeline Pipeline 'tfidf' TfidfTransformer 'chi2' SelectKBest chi2 k.. chi2 k 1000 'nb' MultinomialNB classif SklearnClassifier pipeline from nltk.corpus import movie_reviews pos FreqDist movie_reviews.words..
Python: Possible to share in-memory data between 2 separate processes http://stackoverflow.com/questions/1268252/python-possible-to-share-in-memory-data-between-2-separate-processes and the performance hits the HW incurs in terms of caching pipeline stalls etc when large areas of memory are actively modified..
How Python web frameworks, WSGI and CGI fit together http://stackoverflow.com/questions/219110/how-python-web-frameworks-wsgi-and-cgi-fit-together from the information provided by mod_fastcgi. The pipeline works like this. Apache mod_fastcgi FLUP via CGI protocol Django..
Playing RTSP with python-gstreamer http://stackoverflow.com/questions/4192871/playing-rtsp-with-python-gstreamer source GstElement decoder GstElement sink GstElement pipeline GstElement demux GstElement colorspace Initializing GStreamer.. ffmpegcolorspace autovideosink Create Pipe's Elements pipeline gst_pipeline_new video player g_assert pipeline source gst_element_factory_make.. autovideosink Create Pipe's Elements pipeline gst_pipeline_new video player g_assert pipeline source gst_element_factory_make..
Access django models inside of Scrapy http://stackoverflow.com/questions/4271975/access-django-models-inside-of-scrapy it possible to access my django models inside of a Scrapy pipeline so that I can save my scraped data straight to my model I've..
FSharp runs my algorithm slower than Python! http://stackoverflow.com/questions/5850243/fsharp-runs-my-algorithm-slower-than-python logic and will almost certainly cause the entire CPU pipeline to be flushed and reloaded . In plain words and as suggested..
http://stackoverflow.com/questions/6566322/scrapy-crawl-urls-in-order this priority value and add it to the item . In the pipeline do something based in this value. I don't know why and where..
Python multiprocessing: sharing a large read-only object between processes? http://stackoverflow.com/questions/659865/python-multiprocessing-sharing-a-large-read-only-object-between-processes results on stdout. Connect all the workers as a pipeline process1 source process2 process3 ... processn result Each process..
Saving Django model from Scrapy project http://stackoverflow.com/questions/7883196/saving-django-model-from-scrapy-project PATH_TO_DJANGO_PROJECT In my Scrapy project I have a pipeline class that processes all the items at the end and saves it to.. kw File users ale djcode books lib scraper scraper djangopipeline.py line 34 in process_item selected_category Category.objects.get..
Implementing Bag-of-Words Naive-Bayes classifier in NLTK http://stackoverflow.com/questions/10098533/implementing-bag-of-words-naive-bayes-classifier-in-nltk import MultinomialNB from sklearn.pipeline import Pipeline pipeline Pipeline 'tfidf' TfidfTransformer 'chi2' SelectKBest.. from sklearn.pipeline import Pipeline pipeline Pipeline 'tfidf' TfidfTransformer 'chi2' SelectKBest chi2 k 1000 'nb'..
use scikit-learn to classify into multiple categories http://stackoverflow.com/questions/10526579/use-scikit-learn-to-classify-into-multiple-categories for me import numpy as np from sklearn.pipeline import Pipeline from sklearn.feature_extraction.text import CountVectorizer.. london too' target_names 'New York' 'London' classifier Pipeline 'vectorizer' CountVectorizer min_n 1 max_n 2 'tfidf' TfidfTransformer..
Scrapy pipeline spider_opened and spider_closed not being called http://stackoverflow.com/questions/4113275/scrapy-pipeline-spider-opened-and-spider-closed-not-being-called and spider_closed methods are not being called. class MyPipeline object def __init__ self log.msg Initializing Pipeline self.conn.. MyPipeline object def __init__ self log.msg Initializing Pipeline self.conn None self.cur None def spider_opened self spider log.msg.. None self.cur None def spider_opened self spider log.msg Pipeline.spider_opened called level log.DEBUG def spider_closed self..
Playing RTSP with python-gstreamer http://stackoverflow.com/questions/4192871/playing-rtsp-with-python-gstreamer I've wrote this piece of code ... self.player gst.Pipeline player source gst.element_factory_make rtspsrc source source.set_property.. it in my python code like that ... self.player gst.Pipeline player source gst.element_factory_make rtspsrc source depay.. the elements wasn't create... Exiting n return 1 g_printf nPipeline is Part A dynamic runtime link Part B Part B 1 Part B 2 Part..
Crawling with an authenticated session in Scrapy http://stackoverflow.com/questions/5851213/crawling-with-an-authenticated-session-in-scrapy items Items your Spider returns are passed along to the Pipeline which is responsible for doing whatever you want done with the..
Scrapy image download how to use custom filename http://stackoverflow.com/questions/6194041/scrapy-image-download-how-to-use-custom-filename For my scrapy project I'm currently using the ImagesPipeline . The downloaded images are stored with a SHA1 hash of their.. somehow accessing the other item fields from the Image Pipeline. Any help will be appreciated. python scrapy share improve.. absolute_path info image.save absolute_path class ProjectPipeline ImagesPipeline def __init__ self super ImagesPipeline self .__init__..
|