import?os
import?re
from?mrjob.job?import?MRJob
from?mrjob.step?import?MRStep

word_search_re?=?re.compile（r“[\w‘]+“）


class?ExtractPosts（MRJob）:

????post_start?=?False
????post?=?[]

????def?mapper（self?key?line）:
????????filename?=?os.environ[“map_input_file“]
????????gender?=?filename.split（“.“）[1]
????????try:
????????????docnum?=?int（filename[0]）
????????except:
????????????docnum?=?8
????????if?filename.startswith（“51“）:
????????????#?remove?leading?and?trailing?whitespace
????????????line?=?line.strip（）
????????????if?line?==?““:
????????????????self.post_start?=?True
????????????elif?line?==?““:
????????????????self.post_start?=?False
????????????????yield?gender?repr（“\n“.join（self.post））
????????????????self.post?=?[]
????????????elif?self.post_start:
????????????????self.post.append（line）



if?__name__?==?‘__main__‘:
????ExtractPosts.run（）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????14242??2015-05-28?09:33??Code_REWRITE\Chapter?1\.ipynb_checkpoints\ch1_affinity-checkpoint.ipynb

?????文件??????13797??2015-05-28?09:33??Code_REWRITE\Chapter?1\.ipynb_checkpoints\ch1_oner_application-checkpoint.ipynb

?????文件???????1000??2014-10-10?03:13??Code_REWRITE\Chapter?1\affinity_dataset.txt

?????文件??????14109??2016-10-23?00:27??Code_REWRITE\Chapter?1\ch1_affinity.ipynb

?????文件???????3544??2014-10-10?03:13??Code_REWRITE\Chapter?1\ch1_affinity_create.ipynb

?????文件??????13820??2016-10-23?00:28??Code_REWRITE\Chapter?1\ch1_oner_application.ipynb

?????文件?????434745??2015-06-28?15:31??Code_REWRITE\Chapter?10\.ipynb_checkpoints\Chapter?10?（Cluster?Types）-checkpoint.ipynb

?????文件??????64766??2015-06-28?15:36??Code_REWRITE\Chapter?10\.ipynb_checkpoints\Chapter?10?Clusterer-checkpoint.ipynb

?????文件????1100672??2015-06-28?15:34??Code_REWRITE\Chapter?10\.ipynb_checkpoints\Chapter?10?Image?creation?10_02.png-checkpoint.ipynb

?????文件?????????72??2015-06-28?15:29??Code_REWRITE\Chapter?10\.ipynb_checkpoints\Chapter?10-checkpoint.ipynb

?????文件??????78925??2015-06-28?15:40??Code_REWRITE\Chapter?10\Chapter?10?Clusterer.ipynb

?????文件??????58837??2015-06-28?15:17??Code_REWRITE\Chapter?11\Chapter?11?（CIFAR）.ipynb

?????文件??????62409??2015-06-28?15:02??Code_REWRITE\Chapter?11\Chapter?11?（Theano?and?Lasagne）.ipynb

?????文件??????38759??2015-06-28?15:22??Code_REWRITE\Chapter?12\CH12?MapReduce?Basics.ipynb

?????文件??????10578??2015-05-08?19:56??Code_REWRITE\Chapter?12\Chapter?12?（NB?Predict）.ipynb

?????文件???????1730??2015-05-08?06:35??Code_REWRITE\Chapter?12\Chapter?12?（Test?load）.ipynb

?????文件????????882??2015-05-08?16:49??Code_REWRITE\Chapter?12\extract_posts.py

?????文件???????1986??2015-05-08?09:37??Code_REWRITE\Chapter?12\nb_predict.py

?????文件???????2021??2015-05-08?08:44??Code_REWRITE\Chapter?12\nb_train.py

?????文件?????128669??2015-05-28?10:08??Code_REWRITE\Chapter?2\.ipynb_checkpoints\Ionosphere?Nearest?Neighbour-checkpoint.ipynb

?????文件?????128669??2015-05-28?10:08??Code_REWRITE\Chapter?2\Ionosphere?Nearest?Neighbour.ipynb

?????文件??????42423??2015-05-28?10:17??Code_REWRITE\Chapter?3\.ipynb_checkpoints\Basketball?Results?#2-checkpoint.ipynb

?????文件??????78859??2015-07-07?04:05??Code_REWRITE\Chapter?3\.ipynb_checkpoints\Basketball?Results-checkpoint.ipynb

?????文件??????77581??2015-07-07?05:59??Code_REWRITE\Chapter?3\Basketball?Results.ipynb

?????文件??????49404??2014-12-03?11:41??Code_REWRITE\Chapter?4\ch4?Affinity?Analysis.ipynb

?????文件??????14241??2015-05-29?11:35??Code_REWRITE\Chapter?5\.ipynb_checkpoints\ch5_adult-checkpoint.ipynb

?????文件??????29985??2015-05-29?12:00??Code_REWRITE\Chapter?5\.ipynb_checkpoints\ch5_advertisements-checkpoint.ipynb

?????文件???????1034??2015-05-29?11:33??Code_REWRITE\Chapter?5\adult_tests.py

?????文件??????14241??2015-05-29?11:35??Code_REWRITE\Chapter?5\ch5_adult.ipynb

?????文件??????29985??2015-05-29?12:00??Code_REWRITE\Chapter?5\ch5_advertisements.ipynb

............此處省略38個文件信息