From fca0ef0c3de56739d35d2fef0d01676732a8db04 Mon Sep 17 00:00:00 2001 From: Mauricio Villegas Date: Fri, 3 May 2019 19:59:13 +0200 Subject: [PATCH] - Implemented functions to work with groups: addGroup, addToGroup, selectGroupElements. - Updated circleci configuration. --- .circleci/config.yml | 20 ++-- docs/py-pagexml/_modules/index.html | 6 +- docs/py-pagexml/_modules/pagexml.html | 6 +- docs/py-pagexml/_modules/pagexml/pagexml.html | 58 +++++++++- .../_static/documentation_options.js | 2 +- docs/py-pagexml/genindex.html | 12 +- docs/py-pagexml/index.html | 12 +- docs/py-pagexml/objects.inv | Bin 2816 -> 2829 bytes docs/py-pagexml/pagexml.html | 71 +++++++++++- docs/py-pagexml/py-modindex.html | 6 +- docs/py-pagexml/search.html | 6 +- docs/py-pagexml/searchindex.js | 2 +- lib/PageXML.cc | 108 +++++++++++++++++- lib/PageXML.h | 5 +- py-pagexml/pagexml/PageXML_doxy2swig.i | 37 ++++++ 15 files changed, 308 insertions(+), 43 deletions(-) diff --git a/.circleci/config.yml b/.circleci/config.yml index c963902..9fd733d 100644 --- a/.circleci/config.yml +++ b/.circleci/config.yml @@ -1,4 +1,4 @@ -version: 2 +version: 2.1 dockerbuild: &dockerbuild steps: @@ -15,11 +15,11 @@ dockerbuild: &dockerbuild paths: ./py-pagexml/dist/*.whl jobs: - build-16.04-py35: + build-1604-py35: docker: - image: mauvilsa/pagexml:build-ubuntu16.04-py35 <<: *dockerbuild - build-18.04-py36: + build-1804-py36: docker: - image: mauvilsa/pagexml:build-ubuntu18.04-py36 <<: *dockerbuild @@ -55,17 +55,19 @@ workflows: version: 2 main: jobs: - - build-16.04-py35: + - build-1604-py35: <<: *tagfilter - - build-18.04-py36: + - build-1804-py36: <<: *tagfilter - publish-pypi: <<: *tagfilter + context: pagexml-context requires: - - build-16.04-py35 - - build-18.04-py36 + - build-1604-py35 + - build-1804-py36 - publish-github: <<: *tagfilter + context: pagexml-context requires: - - build-16.04-py35 - - build-18.04-py36 + - build-1604-py35 + - build-1804-py36 diff --git a/docs/py-pagexml/_modules/index.html b/docs/py-pagexml/_modules/index.html index 5287ef2..1d4a8c1 100644 --- a/docs/py-pagexml/_modules/index.html +++ b/docs/py-pagexml/_modules/index.html @@ -8,7 +8,7 @@ - Overview: module code — pagexml 2019.4.26 documentation + Overview: module code — pagexml 2019.5.3 documentation @@ -58,7 +58,7 @@
- 2019.4.26 + 2019.5.3
@@ -83,7 +83,7 @@ diff --git a/docs/py-pagexml/_modules/pagexml.html b/docs/py-pagexml/_modules/pagexml.html index 21850a3..91829bc 100644 --- a/docs/py-pagexml/_modules/pagexml.html +++ b/docs/py-pagexml/_modules/pagexml.html @@ -8,7 +8,7 @@ - pagexml — pagexml 2019.4.26 documentation + pagexml — pagexml 2019.5.3 documentation @@ -58,7 +58,7 @@
- 2019.4.26 + 2019.5.3
@@ -83,7 +83,7 @@ diff --git a/docs/py-pagexml/_modules/pagexml/pagexml.html b/docs/py-pagexml/_modules/pagexml/pagexml.html index 165bd59..a1b096f 100644 --- a/docs/py-pagexml/_modules/pagexml/pagexml.html +++ b/docs/py-pagexml/_modules/pagexml/pagexml.html @@ -8,7 +8,7 @@ - pagexml — pagexml 2019.4.26 documentation + pagexml — pagexml 2019.5.3 documentation @@ -58,7 +58,7 @@
- 2019.4.26 + 2019.5.3
@@ -83,7 +83,7 @@ @@ -13007,6 +13007,58 @@

Source code for pagexml

         return _pagexml.PageXML_getLeftRightTopBottomReadingOrder(self, elems, max_angle_diff, max_horiz_iou, min_prolong_fact, prolong_alpha, fake_baseline, recurse_factor)
+
[docs] def addGroup(self, *args, **kwargs): + """ + + Adds a Group to the PcGts node. + + Arguments: + id (const char *): ID for Page, if NULL it is selected automatically. + elems (std::vector< xmlNodePt >): Elements to add (must have id attributes). + before_node (xmlNodePt): If !=NULL inserts it before the provided Group node. + + Returns: + xmlNodePt: Pointer to created element. + + + """ + return _pagexml.PageXML_addGroup(self, *args, **kwargs)
+ + +
[docs] def addToGroup(self, group, elems): + """ + + Adds elements to a Group. + + Arguments: + group (xmlNodePt): Pointer to group node. + elems (std::vector< xmlNodePt >): Elements to add (must have id attributes). + + Returns: + int: Number of elements added. + + + """ + return _pagexml.PageXML_addToGroup(self, group, elems)
+ + +
[docs] def selectGroupElements(self, group, recurse=True): + """ + + Selects all elements referenced by a Group. + + Arguments: + group (xmlNodePt): Pointer to group node. + recurse (bool): Whether to recurse into group members which are groups. + + Returns: + std::vector< xmlNodePt >: Number of elements added. + + + """ + return _pagexml.PageXML_selectGroupElements(self, group, recurse)
+ +
[docs] def getDocPtr(self): """ diff --git a/docs/py-pagexml/_static/documentation_options.js b/docs/py-pagexml/_static/documentation_options.js index 8fb9522..f692bb6 100644 --- a/docs/py-pagexml/_static/documentation_options.js +++ b/docs/py-pagexml/_static/documentation_options.js @@ -1,6 +1,6 @@ var DOCUMENTATION_OPTIONS = { URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'), - VERSION: '2019.4.26', + VERSION: '2019.5.3', LANGUAGE: 'None', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', diff --git a/docs/py-pagexml/genindex.html b/docs/py-pagexml/genindex.html index 6f84e34..2d140b5 100644 --- a/docs/py-pagexml/genindex.html +++ b/docs/py-pagexml/genindex.html @@ -9,7 +9,7 @@ - Index — pagexml 2019.4.26 documentation + Index — pagexml 2019.5.3 documentation @@ -59,7 +59,7 @@
- 2019.4.26 + 2019.5.3
@@ -84,7 +84,7 @@ @@ -181,6 +181,8 @@

A

  • addElem() (pagexml.PageXML method)
  • addGlyph() (pagexml.PageXML method) +
    • +
  • addGroup() (pagexml.PageXML method)
  • addPage() (pagexml.PageXML method)
    • @@ -189,6 +191,8 @@

    A

  • addTextLine() (pagexml.PageXML method)
  • addTextRegion() (pagexml.PageXML method) +
    • +
  • addToGroup() (pagexml.PageXML method)
  • addWord() (pagexml.PageXML method)
    • @@ -1111,6 +1115,8 @@

    S

  • selectByID() (pagexml.PageXML method)
  • selectByOverlap() (pagexml.PageXML method) +
    • +
  • selectGroupElements() (pagexml.PageXML method)
  • selectNth() (pagexml.PageXML method)
    • diff --git a/docs/py-pagexml/index.html b/docs/py-pagexml/index.html index 05b1002..bb56d78 100644 --- a/docs/py-pagexml/index.html +++ b/docs/py-pagexml/index.html @@ -8,7 +8,7 @@ - py-pagexml: Python wrapper for the PageXML C++ library — pagexml 2019.4.26 documentation + py-pagexml: Python wrapper for the PageXML C++ library — pagexml 2019.5.3 documentation @@ -35,7 +35,7 @@ - + @@ -59,7 +59,7 @@
    - 2019.4.26 + 2019.5.3
    @@ -84,7 +84,7 @@ @@ -302,7 +302,7 @@

    Crop an element and save image to disk

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    - 2019.4.26 + 2019.5.3
    @@ -84,7 +84,7 @@
      -
    • pagexml API (version 2019.4.26)
        +
      • pagexml API (version 2019.5.3)
        • @@ -134,7 +134,7 @@
      • Docs »
        • -
      • pagexml API (version 2019.4.26)
        • +
      • pagexml API (version 2019.5.3)
      • @@ -154,7 +154,7 @@
        -

        pagexml API (version 2019.4.26)

        +

        pagexml API (version 2019.5.3)

        pagexml module

        @@ -1499,6 +1499,27 @@

        pagexml API (version 2019.4.26) +
        +addGroup(*args, **kwargs)[source]
        +

        Adds a Group to the PcGts node.

        +
        +
        Parameters
        +
          +

        • id (const char *) – ID for Page, if NULL it is selected automatically.

          • +

        • elems (std::vector< xmlNodePt >) – Elements to add (must have id attributes).

          • +

        • before_node (xmlNodePt) – If !=NULL inserts it before the provided Group node.

          • +
        +
        +
        Returns
        +

        Pointer to created element.

        +
        +
        Return type
        +

        xmlNodePt

        +
        +
        +

        +
        addPage(*args)[source]
        @@ -1631,6 +1652,26 @@

        pagexml API (version 2019.4.26) +
        +addToGroup(group, elems)[source]
        +

        Adds elements to a Group.

        +
        +
        Parameters
        +
          +

        • group (xmlNodePt) – Pointer to group node.

          • +

        • elems (std::vector< xmlNodePt >) – Elements to add (must have id attributes).

          • +
        +
        +
        Returns
        +

        Number of elements added.

        +
        +
        Return type
        +

        int

        +
        +
        +

        +
        addWord(*args)[source]
        @@ -3713,6 +3754,26 @@

        pagexml API (version 2019.4.26) +
        +selectGroupElements(group, recurse=True)[source]
        +

        Selects all elements referenced by a Group.

        +
        +
        Parameters
        +
          +

        • group (xmlNodePt) – Pointer to group node.

          • +

        • recurse (bool) – Whether to recurse into group members which are groups.

          • +
        +
        +
        Returns
        +

        Number of elements added.

        +
        +
        Return type
        +

        std::vector< xmlNodePt >

        +
        +
        +

        +
        selectNth(*args)[source]
        diff --git a/docs/py-pagexml/py-modindex.html b/docs/py-pagexml/py-modindex.html index da56191..65f2c7a 100644 --- a/docs/py-pagexml/py-modindex.html +++ b/docs/py-pagexml/py-modindex.html @@ -8,7 +8,7 @@ - Python Module Index — pagexml 2019.4.26 documentation + Python Module Index — pagexml 2019.5.3 documentation @@ -61,7 +61,7 @@
        - 2019.4.26 + 2019.5.3
        @@ -86,7 +86,7 @@ diff --git a/docs/py-pagexml/search.html b/docs/py-pagexml/search.html index 02f6a46..a14f324 100644 --- a/docs/py-pagexml/search.html +++ b/docs/py-pagexml/search.html @@ -8,7 +8,7 @@ - Search — pagexml 2019.4.26 documentation + Search — pagexml 2019.5.3 documentation @@ -59,7 +59,7 @@
        - 2019.4.26 + 2019.5.3
        @@ -84,7 +84,7 @@ diff --git a/docs/py-pagexml/searchindex.js b/docs/py-pagexml/searchindex.js index f75548e..1d39647 100644 --- a/docs/py-pagexml/searchindex.js +++ b/docs/py-pagexml/searchindex.js @@ -1 +1 @@ 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Python wrapper for the PageXML C++ library","pagexml API (version 2019.5.3)"],titleterms:{"new":0,adding:0,api:1,binari:0,build:0,committe:0,content:0,creat:0,crop:0,depend:0,disk:0,document:0,element:0,exampl:0,exist:0,file:0,from:0,imag:0,indic:0,instal:0,librari:0,modifi:0,modul:1,page:0,pagexml:[0,1],project:0,properti:0,python:0,region:0,runtim:0,save:0,simpl:0,softwar:0,sourc:0,steer:0,tabl:0,text:0,usag:0,version:1,wheel:0,wrapper:0,xml:0}}) \ No newline at end of file diff --git a/lib/PageXML.cc b/lib/PageXML.cc index 8200ffa..78d2d57 100644 --- a/lib/PageXML.cc +++ b/lib/PageXML.cc @@ -1,7 +1,7 @@ /** * Class for input, output and processing of Page XML files and referenced image. * - * @version $Version: 2019.04.26$ + * @version $Version: 2019.05.03$ * @copyright Copyright (c) 2016-present, Mauricio Villegas * @license MIT License */ @@ -47,7 +47,7 @@ bool validation_enabled = true; /// Class version /// ///////////////////// -static char class_version[] = "Version: 2019.04.26"; +static char class_version[] = "Version: 2019.05.03"; /** * Returns the class version. @@ -5110,6 +5110,110 @@ std::pair, std::vector > PageXML::getLeftRightTopBottomRea return std::pair, std::vector >(reading_order, subgroup_lengths); } +/** + * Adds a Group to the PcGts node. + * + * @param id ID for Page, if NULL it is selected automatically. + * @param elems Elements to add (must have id attributes). + * @param before_node If !=NULL inserts it before the provided Group node. + * @return Pointer to created element. + */ +xmlNodePt PageXML::addGroup( const char* id, std::vector elems, xmlNodePt before_node ) { + xmlNodePt group; + + std::string gid = id == NULL ? getUniqueID("gr") : std::string(id); + + if ( before_node != NULL ) { + if ( ! nodeIs( before_node, "Group" ) ) { + throw_runtime_error( "PageXML.addGroup: before_node is required to be a Group" ); + return NULL; + } + group = addElem( "Group", gid.c_str(), before_node, PAGEXML_INSERT_PREVSIB, true ); + } + else { + xmlNodePt pcgts = selectNth("/_:PcGts",0); + if ( ! pcgts ) { + throw_runtime_error( "PageXML.addGroup: unable to select PcGts node" ); + return NULL; + } + group = addElem( "Group", gid.c_str(), pcgts, PAGEXML_INSERT_APPEND, true ); + } + + if ( elems.size() > 0 ) + addToGroup( group, elems ); + + return group; +} + +/** + * Adds elements to a Group. + * + * @param group Pointer to group node. + * @param elems Elements to add (must have id attributes). + * @return Number of elements added. + */ +int PageXML::addToGroup( xmlNodePt group, std::vector elems ) { + if ( ! nodeIs( group, "Group" ) ) { + throw_runtime_error( "PageXML.addToGroup: expected pointer to be of a Group element" ); + return 0; + } + + std::unordered_set member_ids; + std::vector members = select("_:Member", group); + for ( int m=0; m<(int)members.size(); m++ ) + member_ids.insert(getAttr(members[m], "ref")); + + int num = 0; + for ( int n=0; n<(int)elems.size(); n++ ) { + std::string elem_id = getAttr(elems[n], "id"); + if ( elem_id.empty() ) { + throw_runtime_error( "PageXML.addToGroup: elements are required to have an id attribute, none found for element %d", n+1 ); + return 0; + } + + if ( member_ids.find(elem_id) != member_ids.end() ) + continue; + + xmlNodePt member = addElem( "Member", NULL, group, PAGEXML_INSERT_APPEND ); + setAttr(member, "ref", elem_id.c_str()); + member_ids.insert(elem_id); + + num++; + } + + return num; +} + +/** + * Selects all elements referenced by a Group. + * + * @param group Pointer to group node. + * @param recurse Whether to recurse into group members which are groups. + * @return Number of elements added. + */ +std::vector PageXML::selectGroupElements( xmlNodePt group, bool recurse ) { + std::vector elems; + + if ( ! nodeIs( group, "Group" ) ) { + throw_runtime_error( "PageXML.selectGroupElements: expected pointer to be of a Group element" ); + return elems; + } + + std::vector members = select("_:Member", group); + for ( int n=0; n<(int)members.size(); n++ ) { + if ( recurse && nodeIs(members[n], "Group") ) { + std::vector subelems = selectGroupElements(members[n], true); + elems.insert(elems.end(), subelems.begin(), subelems.end()); + } + else { + std::string mid = getAttr(members[n], "ref"); + elems.push_back( selectByID(mid.c_str()) ); + } + } + + return elems; +} + /** * Returns the XML document pointer. */ diff --git a/lib/PageXML.h b/lib/PageXML.h index 31aef43..cf67be3 100644 --- a/lib/PageXML.h +++ b/lib/PageXML.h @@ -1,7 +1,7 @@ /** * Header file for the PageXML class * - * @version $Version: 2019.04.26$ + * @version $Version: 2019.05.03$ * @copyright Copyright (c) 2016-present, Mauricio Villegas * @license MIT License */ @@ -299,6 +299,9 @@ class PageXML { #endif int getLeftRightTextContinuationGroups( std::vector elems, std::vector >& _group_order, std::vector& _group_score, double max_angle_diff = 25*M_PI/180, double max_horiz_iou = 0.1, double min_prolong_fact = 0.5, double prolong_alpha = 0.8, bool fake_baseline = false, double recurse_factor = 0.9 ); std::pair, std::vector > getLeftRightTopBottomReadingOrder( std::vector elems, double max_angle_diff = 25*M_PI/180, double max_horiz_iou = 0.1, double min_prolong_fact = 0.5, double prolong_alpha = 0.8, bool fake_baseline = false, double recurse_factor = 0.9 ); + xmlNodePt addGroup( const char* id = NULL, std::vector elems = std::vector(), xmlNodePt before_node = NULL ); + int addToGroup( xmlNodePt group, std::vector elems ); + std::vector selectGroupElements( xmlNodePt group, bool recurse = true ); xmlDocPtr getDocPtr(); private: xmlNsPtr rpagens = NULL; diff --git a/py-pagexml/pagexml/PageXML_doxy2swig.i b/py-pagexml/pagexml/PageXML_doxy2swig.i index 1943a7a..36e2f96 100644 --- a/py-pagexml/pagexml/PageXML_doxy2swig.i +++ b/py-pagexml/pagexml/PageXML_doxy2swig.i @@ -93,6 +93,19 @@ Returns: "; +%feature("docstring") PageXML::addGroup " +Adds a Group to the PcGts node. + +Arguments: + id (const char *): ID for Page, if NULL it is selected automatically. + elems (std::vector< xmlNodePt >): Elements to add (must have id attributes). + before_node (xmlNodePt): If !=NULL inserts it before the provided Group node. + +Returns: + xmlNodePt: Pointer to created element. + +"; + %feature("docstring") PageXML::addPage " Overloaded function with 2 signatures. @@ -198,6 +211,18 @@ Returns: "; +%feature("docstring") PageXML::addToGroup " +Adds elements to a Group. + +Arguments: + group (xmlNodePt): Pointer to group node. + elems (std::vector< xmlNodePt >): Elements to add (must have id attributes). + +Returns: + int: Number of elements added. + +"; + %feature("docstring") PageXML::addWord " Overloaded function with 2 signatures. @@ -1681,6 +1706,18 @@ Returns: "; +%feature("docstring") PageXML::selectGroupElements " +Selects all elements referenced by a Group. + +Arguments: + group (xmlNodePt): Pointer to group node. + recurse (bool): Whether to recurse into group members which are groups. + +Returns: + std::vector< xmlNodePt >: Number of elements added. + +"; + %feature("docstring") PageXML::selectNth " Overloaded function with 2 signatures.