ó <¿CVc@ssdZddlmZddlmZddlTddlTejdefd„ƒYƒZ de fd„ƒYZ d S( uğ Read lines from the Prepositional Phrase Attachment Corpus. The PP Attachment Corpus contains several files having the format: sentence_id verb noun1 preposition noun2 attachment For example: 42960 gives authority to administration V 46742 gives inventors of microchip N The PP attachment is to the verb phrase (V) or noun phrase (N), i.e.: (VP gives (NP authority) (PP to administration)) (VP gives (NP inventors (PP of microchip))) The corpus contains the following files: training: training set devset: development test set, used for algorithm development. test: test set, used to report results bitstrings: word classes derived from Mutual Information Clustering for the Wall Street Journal. Ratnaparkhi, Adwait (1994). A Maximum Entropy Model for Prepositional Phrase Attachment. Proceedings of the ARPA Human Language Technology Conference. [http://www.cis.upenn.edu/~adwait/papers/hlt94.ps] The PP Attachment Corpus is distributed with NLTK with the permission of the author. iÿÿÿÿ(tunicode_literals(tcompat(t*t PPAttachmentcBseZd„Zd„ZRS(cCs:||_||_||_||_||_||_dS(N(tsenttverbtnoun1tpreptnoun2t attachment(tselfRRRRRR ((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pyt__init__1s      cCs,d|j|j|j|j|j|jfS(NuJPPAttachment(sent=%r, verb=%r, noun1=%r, prep=%r, noun2=%r, attachment=%r)(RRRRRR (R ((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pyt__repr__9s(t__name__t __module__R R (((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pyR/s tPPAttachmentCorpusReadercBs>eZdZd„Zd„Zdd„Zd„Zd„ZRS(u= sentence_id verb noun1 preposition noun2 attachment cCsAtg|j|tƒD]$\}}t||jd|ƒ^qƒS(Ntencoding(tconcattabspathstTruetStreamBackedCorpusViewt_read_obj_block(R tfileidstfileidtenc((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pyt attachmentsCscCsAtg|j|tƒD]$\}}t||jd|ƒ^qƒS(NR(RRRRt_read_tuple_block(R RRR((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pyttuplesHscCsb|dkr|j}nt|tjƒr6|g}ntg|D]}|j|ƒjƒ^q@ƒS(N(tNonet_fileidst isinstanceRt string_typesRtopentread(R Rtf((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pytrawMs   cCs-|jƒ}|r%t|jƒƒgSgSdS(N(treadlinettupletsplit(R tstreamtline((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pyRRs cCs-|jƒ}|r%t|jƒŒgSgSdS(N(R$RR&(R R'R(((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pyRYs N( R Rt__doc__RRRR#RR(((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pyR?s     N( R)t __future__RtnltkRtnltk.corpus.reader.utiltnltk.corpus.reader.apitpython_2_unicode_compatibletobjectRt CorpusReaderR(((sm/private/var/folders/cc/xm4nqn811x9b50x1q_zpkmvdjlphkp/T/pip-build-FUwmDn/nltk/nltk/corpus/reader/ppattach.pyt's