{"id":41870,"date":"2020-02-17T11:17:15","date_gmt":"2020-02-17T08:17:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/ustanovka-or-tools-s-scip-i-glpk-v-virtualnoe-okruzhenie-python-3-7-na-linux"},"modified":"2020-02-17T11:17:15","modified_gmt":"2020-02-17T08:17:15","slug":"ustanovka-or-tools-s-scip-i-glpk-v-virtualnoe-okruzhenie-python-3-7-na-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/ustanovka-or-tools-s-scip-i-glpk-v-virtualnoe-okruzhenie-python-3-7-na-linux","title":{"rendered":"or-tools telep\u00edt\u00e9se SCIP \u00e9s GLPK haszn\u00e1lat\u00e1val egy Python 3.7 virtu\u00e1lis k\u00f6rnyezetbe Linuxon","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00dagy d\u00f6nt\u00f6ttem, hogy r\u00e9szt veszek a <noindex><a rel=\"nofollow\" href=\"https:\/\/www.kaggle.com\/c\/santa-workshop-tour-2019\">versenyen<\/a><\/noindex> \u00e9s ehhez optimaliz\u00e1l\u00f3 feladatok megold\u00e1s\u00e1hoz sz\u00fcks\u00e9ges csomagokat kellett haszn\u00e1lnom. A Google or-tools eszk\u00f6z\u00e9t v\u00e1lasztottam, amely egy interf\u00e9szt k\u00e9pvisel k\u00fcl\u00f6nb\u00f6z\u0151 solver-ekhez. Sz\u00e1mos optimaliz\u00e1l\u00f3 eszk\u00f6zt tartalmaz, de a k\u00e9sz\u00edt\u0151k t\u00f6bb k\u00fcls\u0151 csomag t\u00e1mogat\u00e1s\u00e1t \u00edg\u00e9rik, k\u00f6zt\u00fck a kereskedelmi Gurobi \u00e9s CPLEX programokat is. Azonban mi nem vagyunk gazdag emberek, \u00edgy a ingyenes SCIP \u00e9s GLPK haszn\u00e1lat\u00e1ra fogunk t\u00e1maszkodni (egy\u00e9bk\u00e9nt hazai fejleszt\u00e9s). Meglepet\u00e9semre nem tal\u00e1ltam egyetlen \u00fatmutat\u00f3t sem arr\u00f3l, hogyan lehet ezt a csod\u00e1t m\u0171k\u00f6d\u00e9sbe hozni Python virtu\u00e1lis k\u00f6rnyezetben, sem a hazai, sem az angol nyelv\u0171 interneten, \u00e9s kicsit r\u00e1 kellett fektetnem az id\u0151t. Akik sietnek, olvass\u00e1k el azonnal <noindex><a rel=\"nofollow\" href=\"#guide\">itt<\/a><\/noindex>, a t\u00f6bbieknek javaslom, hogy ismerkedjenek meg a k\u00e9rd\u00e9ses min\u0151s\u00e9g\u0171 grafom\u00e1ni\u00e1mmal, amely a Google szoftver telep\u00edt\u00e9s\u00e9nek kalandjait \u00edrja le. Igen, elfelejtettem azonnal mondani, hogy mindezt Manjaro Linux alatt telep\u00edtettem.<\/p>\n<p><img decoding=\"async\" alt=\"or-tools telep\u00edt\u00e9se SCIP \u00e9s GLPK haszn\u00e1lat\u00e1val egy Python 3.7 virtu\u00e1lis k\u00f6rnyezetbe Linuxon\" src=\"\/wp-content\/uploads\/2020\/02\/d65bca44558d794b0fc6ff0e911725fc.jpeg\" style=\"display:block;margin: 0 auto;\" \/><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Els\u0151 l\u00e9p\u00e9sek<\/h2>\n<p>\nMindh\u00e1rom csomag megtal\u00e1lhat\u00f3 a Python t\u00e1rol\u00f3j\u00e1ban, \u00edgy pip-en kereszt\u00fcl telep\u00edtj\u00fck.<\/p>\n<p>Mindegyiknek saj\u00e1t interf\u00e9sze van, \u00e9s az or-tools-t kifejezetten az\u00e9rt v\u00e1lasztottam, hogy k\u00fcl\u00f6nb\u00f6z\u0151 csomagokat pr\u00f3b\u00e1lhassak an\u00e9lk\u00fcl, hogy jelent\u0151s \u00fajra\u00edr\u00e1sokra lenne sz\u00fcks\u00e9g. \u00cdgy teh\u00e1t feladat az, hogy az or-tools \u00f6sszekapcsolja ezeket a solvere-ket, \u00e9s lehet\u0151v\u00e9 tegye azokat. \u00c9s mit gondoltok? A pip-en kereszt\u00fcl telep\u00edtett or-tools nem l\u00e1tja a pip-en kereszt\u00fcl telep\u00edtett solver-eket, \u00e9s azok sem l\u00e1tj\u00e1k \u0151t (ki gondolta volna). Teh\u00e1t mindenk\u00e9ppen \u00e9rdemes megn\u00e9zni, mit \u00edrnak a <noindex><a rel=\"nofollow\" href=\"https:\/\/developers.google.com\/optimization\/install\/python\/source_linux\">dokument\u00e1ci\u00f3<\/a><\/noindex>.<br \/>\ndokument\u00e1ci\u00f3kban azt \u00edrj\u00e1k, hogy a k\u00fcls\u0151 csomagok integr\u00e1l\u00e1s\u00e1hoz forr\u00e1sb\u00f3l kell \u00e9p\u00edteni. Pr\u00f3b\u00e1ltam \u00f6sszerakni, de semmi nem m\u0171k\u00f6dik, mert a pip-en kereszt\u00fcl telep\u00edtett solver-ek nem l\u00e1tsz\u00f3dnak. <br \/>\nEz\u00e9rt a legegyszer\u0171bb m\u00f3dja a csomagok pip-en kereszt\u00fcl t\u00f6rt\u00e9n\u0151 telep\u00edt\u00e9s\u00e9nek nem m\u0171k\u00f6dik, mert az or-tools nem h\u00fazza be a solvere-ket, a solver-ek nem telep\u00edtik a k\u00f6nyvt\u00e1rakat, ahogy az or-tools szeretn\u00e9, mindenki hib\u00e1kkal bomb\u00e1z, megnevez t\u00e9ged but\u00e1nak, \u00e9s mindenf\u00e9lek\u00e9ppen g\u00fanyol\u00f3dik. <\/p>\n<p>Tov\u00e1bb a <noindex><a rel=\"nofollow\" href=\"https:\/\/developers.google.com\/optimization\/install\/python\/source_linux#install-the-scip-optimization-suite\">dokument\u00e1ci\u00f3kban<\/a><\/noindex> azt \u00edrj\u00e1k, hogy a solver-eket forr\u00e1sb\u00f3l kell telep\u00edteni, majd a forr\u00e1sb\u00f3l az or-tools-t. L\u00e1ssuk, mit tehetek! Telep\u00edtettem a SCIP-ot, telep\u00edtettem a GLPK-t, de felmer\u00fclt egy k\u00e9rd\u00e9s, ami a dokument\u00e1ci\u00f3ban nem szerepel: hogyan is telep\u00edtsem az or-tools-t a virtu\u00e1lis k\u00f6rnyezetbe? <\/p>\n<p>A dokumentumban szerepl\u0151 egyetlen make python parancs glob\u00e1lisan telep\u00edti a csomagot a rendszerbe (meglep\u0151, igaz?).<\/p>\n<p>De szerencs\u00e9m volt: a m\u00e9rn\u00f6ki kutat\u00e1som sor\u00e1n, a v\u00e9gtelen majmok m\u00f3dszer\u00e9vel, v\u00e9letlen\u00fcl be\u00edrtam a make help parancsot, \u00e9s kaptam egy list\u00e1t az or-tools \u00f6sszes \u00e9p\u00edt\u00e9si lehet\u0151s\u00e9g\u00e9r\u0151l, k\u00f6zt\u00fck volt egy lehet\u0151s\u00e9g a wheel csomag \u00f6sszegy\u0171jt\u00e9s\u00e9re. Ez a make python_package parancs, ha \u00e9rdekel (ez\u00e9rt m\u00e9g egyszer megism\u00e9tlem a v\u00e9g\u00e9n). Na, sz\u00f3val, itt az id\u0151, hogy \u00f6ssze\u00fcssen \u00e9s elind\u00edtsuk?<\/p>\n<p><img decoding=\"async\" alt=\"or-tools telep\u00edt\u00e9se SCIP \u00e9s GLPK haszn\u00e1lat\u00e1val egy Python 3.7 virtu\u00e1lis k\u00f6rnyezetbe Linuxon\" src=\"\/wp-content\/uploads\/2020\/02\/5d00d11acb95cf881605a43ec9b5f86f.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Keress\u00fck a probl\u00e9m\u00e1t<\/h2>\n<p>\nSemmi sem m\u0171k\u00f6dik az or-tools \u00e9p\u00edt\u00e9si szakasz\u00e1ban, rossz GLPK k\u00f6nyvt\u00e1rakra panaszkodik.<\/p>\n<p><img decoding=\"async\" alt=\"or-tools telep\u00edt\u00e9se SCIP \u00e9s GLPK haszn\u00e1lat\u00e1val egy Python 3.7 virtu\u00e1lis k\u00f6rnyezetbe Linuxon\" src=\"\/wp-content\/uploads\/2020\/02\/5a16f5dc082a46ee5cbcafa637de006f.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA SCIP \u00f6sszeszerel\u00e9se a dokument\u00e1ci\u00f3 param\u00e9tereivel sikeresen v\u00e9gbemegy, de az or-tools m\u00e9gis visszautas\u00edtja a munk\u00e1t az import\u00e1l\u00e1s pillanat\u00e1ban.<\/p>\n<p><img decoding=\"async\" alt=\"or-tools telep\u00edt\u00e9se SCIP \u00e9s GLPK haszn\u00e1lat\u00e1val egy Python 3.7 virtu\u00e1lis k\u00f6rnyezetbe Linuxon\" src=\"\/wp-content\/uploads\/2020\/02\/acd6917b68c320a9bee5e71875c1f035.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNem tal\u00e1ltam megold\u00e1st ezekre a probl\u00e9m\u00e1kra, \u00edgy a GitHubra mentem a fejleszt\u0151kh\u00f6z, hogy megk\u00e9rdezzem, mi\u00e9rt ad hib\u00e1kat a telep\u00edt\u00e9s az \u0151 utas\u00edt\u00e1saik szerint, valahol a k\u00f3djuk belsej\u00e9ben.<\/p>\n<p><img decoding=\"async\" alt=\"or-tools telep\u00edt\u00e9se SCIP \u00e9s GLPK haszn\u00e1lat\u00e1val egy Python 3.7 virtu\u00e1lis k\u00f6rnyezetbe Linuxon\" src=\"\/wp-content\/uploads\/2020\/02\/997062c260ba5569bb755bbe757615bd.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Hmmm, k\u00f6sz\u00f6n\u00f6m a magyar\u00e1zatokat<br \/>\n<\/i><br \/>\nAm\u00edg v\u00e1rtam a v\u00e1laszt a GitHubon, a neten b\u00f6ng\u00e9sztem, h\u00e1tha tal\u00e1lok valamit, ami seg\u00edthet. \u00c9s milyen meglep\u0151, tal\u00e1ltam is. Ez volt <noindex><a rel=\"nofollow\" href=\"http:\/\/or-tools.blogspot.com\/2017\/03\/linking-glpk-with-or-tools-on-unix.html\">blogra<\/a><\/noindex> a projekt csapatvezet\u0151je, aki arr\u00f3l \u00edrt, hogyan lehet \u00f6sszekapcsolni a GLPK-t az or-tools-szal. \u00c9s ez a m\u00f3dszer v\u00e9gre m\u0171k\u00f6d\u00f6tt! Most, ha mindent a SCIP n\u00e9lk\u00fcl, de a GLPK-val \u00f6sszegy\u0171jt\u00fcnk, akkor azzal m\u00e1r lehet dolgozni. M\u00e1r el\u0151rel\u00e9p\u00e9s.<\/p>\n<p>Az or-tools csapatvezet\u0151je azonban nem aj\u00e1nlotta a GLPK haszn\u00e1lat\u00e1t, azt mondta, hogy az eredm\u00e9nyek nem valami j\u00f3k, \u00e9s v\u00e9g\u00fcl szeretn\u00e9nk legy\u0151zni a SCIP-et \u00e9s m\u0171k\u00f6d\u00e9sre b\u00edrni. A szomsz\u00e9dos <noindex><a rel=\"nofollow\" href=\"http:\/\/or-tools.blogspot.com\/2017\/03\/changing-way-we-link-with-scip.html\">bejegyz\u00e9s<\/a><\/noindex> blog r\u00e1vil\u00e1g\u00edtott arra, hogy a Google csomag konkr\u00e9t verzi\u00f3kkal m\u0171k\u00f6dik. N\u00e9zz\u00fck meg <noindex><a rel=\"nofollow\" href=\"https:\/\/developers.google.com\/optimization\/support\/release_notes#support-for-scip-6.0.0\">a kiad\u00e1sok v\u00e1ltoz\u00e1sainak list\u00e1j\u00e1t<\/a><\/noindex> \u00e9s l\u00e1tjuk ott a 6.0.0 verzi\u00f3 egy\u00e9rtelm\u0171 megad\u00e1s\u00e1t. Annak ellen\u00e9re, hogy a Makefile-ban a 6.0.2 verzi\u00f3 szerepel, pr\u00f3b\u00e1ljuk telep\u00edteni a r\u00e9gebbi verzi\u00f3t, \u00e9s voil\u00e0!<\/p>\n<p>Most m\u00e9g egyszer az m\u0171k\u00f6d\u0151 l\u00e9p\u00e9sek sorrendje.<br \/>\n<noindex><a rel=\"nofollow\" name=\"guide\"><\/a><\/noindex><\/p>\n<h2>Az telep\u00edt\u00e9si sorrend<\/h2>\n<p><\/p>\n<ol>\n<li>T\u00f6ltsd le a SCIP arch\u00edvumot, megbizonyosodva arr\u00f3l, hogy <noindex><a rel=\"nofollow\" href=\"https:\/\/developers.google.com\/optimization\/support\/release_notes\">itt<\/a><\/noindex> egy\u00e9rtelm\u0171en szerepel a t\u00e1mogatott verzi\u00f3, amelyet le szeretn\u00e9l t\u00f6lteni (az \u00e9n esetemben <noindex><a rel=\"nofollow\" href=\"https:\/\/developers.google.com\/optimization\/support\/release_notes#support-for-scip-6.0.0\">developers.google.com\/optimization\/support\/release_notes#support-for-scip-6.0.0<\/a><\/noindex>) \u00e9s csomagold ki.<\/li>\n<li>T\u00f6ltsd le a GLPK-t (a poszt id\u0151pontj\u00e1ban a legfrissebb verzi\u00f3 4.65) \u00e9s csomagold ki.<\/li>\n<li>Telep\u00edtsd a SCIP-et a k\u00f6vetkez\u0151 paranccsal:\n<pre><code class=\"bash\">make GMP=false READLINE=false TPI=tny ZIMPL=false scipoptlib install INSTALLDIR=\/scipoptsuite-6.0.0\n<\/code><\/pre>\n<\/li>\n<li>Telep\u00edtsd a GLPK-t a k\u00f6vetkez\u0151 paranccsal:\n<pre><code class=\"bash\">. \/configure --prefix= --with-pic --enable-shared\nmake\nmake install\n<\/code><\/pre>\n<\/li>\n<li>T\u00f6ltsd le az OR-Tools-t a GitHubr\u00f3l\n<pre><code class=\"bash\">git clone https:\/\/github.com\/google\/or-tools<\/code><\/pre>\n<\/li>\n<li>Telep\u00edtsd az OR-Tools-t a k\u00f6vetkez\u0151 parancsokkal:\n<pre><code class=\"bash\">make third_party\nmake python_package\n<\/code><\/pre>\n<p>\nHa az utols\u00f3 parancs nem m\u0171k\u00f6dik, telep\u00edtse a wheel parancsot:<\/p>\n<pre><code class=\"bash\">pip install wheel<\/code><\/pre>\n<\/li>\n<li>Aktiv\u00e1lja a virtu\u00e1lis k\u00f6rnyezetet, l\u00e9pjen a Python csomag mapp\u00e1j\u00e1ba, \u00e9s telep\u00edtse onnan.\n<p>Ha nem virtu\u00e1lis k\u00f6rnyezetbe, hanem glob\u00e1lisan szeretn\u00e9 telep\u00edteni az eg\u00e9sz rendszer sz\u00e1m\u00e1ra, a k\u00f6vetkez\u0151t haszn\u00e1lja:<\/p>\n<pre><code class=\"bash\">make python_package<\/code><\/pre>\n<p>\nfuttatnia a k\u00f6vetkez\u0151 parancsot:<\/p>\n<pre><code class=\"bash\">make python\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/488346\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0435\u0448\u0438\u043b \u044f \u043f\u043e\u0443\u0447\u0430\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u0432 \u0441\u043e\u0440\u0435\u0432\u043d\u043e\u0432\u0430\u043d\u0438\u0438 \u0438 \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u0438\u043b\u043e\u0441\u044c \u0434\u043b\u044f \u043d\u0435\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0430\u043a\u0435\u0442\u044b \u0434\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438. \u0412\u044b\u0431\u0440\u0430\u043b \u0433\u0443\u0433\u043b\u043e\u0432\u0441\u043a\u0438\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 or-tools, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0438\u0437 \u0441\u0435\u0431\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0434\u043b\u044f \u0440\u0430\u0437\u043d\u044b\u0445 \u0440\u0435\u0448\u0430\u0442\u0435\u043b\u0435\u0439 (\u0438\u043b\u0438 \u0440\u0435\u0448\u0430\u043b? solver\u043e\u0432?). \u041e\u043d \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0432 \u0441\u0435\u0431\u0435 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438, \u043d\u043e \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044f\u043c\u0438 \u0437\u0430\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u043c, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0445 Gurobi \u0438 CPLEX. \u041e\u0434\u043d\u0430\u043a\u043e \u043b\u044e\u0434\u0438 \u043c\u044b \u043d\u0435\u0431\u043e\u0433\u0430\u0442\u044b\u0435, 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