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aa - Qafár af
ab - аԥсшәа
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ace - Acèh
ady - адыгабзэ
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aeb-latn - Tûnsî
af - Afrikaans
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alt - алтай тил
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ami - Pangcah
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ang - Ænglisc
ann - Obolo
anp - अंगिका
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arc - ܐܪܡܝܐ
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arz - مصرى
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ase - American sign language
ast - asturianu
atj - Atikamekw
av - авар
avk - Kotava
awa - अवधी
ay - Aymar aru
az - azərbaycanca
azb - تۆرکجه
ba - башҡортса
ban - Basa Bali
ban-bali - ᬩᬲᬩᬮᬶ
bar - Boarisch
bbc - Batak Toba
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bi - Bislama
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blk - ပအိုဝ်ႏဘာႏသာႏ
bm - bamanankan
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bo - བོད་ཡིག
bpy - বিষ্ণুপ্রিয়া মণিপুরী
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bug - ᨅᨔ ᨕᨘᨁᨗ
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crh - qırımtatarca
crh-cyrl - къырымтатарджа (Кирилл)
crh-latn - qırımtatarca (Latin)
cs - čeština
csb - kaszëbsczi
cu - словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ
cv - чӑвашла
cy - Cymraeg
da - dansk
dag - dagbanli
de - Deutsch
de-at - Österreichisches Deutsch
de-ch - Schweizer Hochdeutsch
de-formal - Deutsch (Sie-Form)
dga - Dagaare
din - Thuɔŋjäŋ
diq - Zazaki
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dtp - Dusun Bundu-liwan
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dv - ދިވެހިބަސް
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ee - eʋegbe
egl - Emiliàn
el - Ελληνικά
eml - emiliàn e rumagnòl
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en-ca - Canadian English
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eo - Esperanto
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gom - गोंयची कोंकणी / Gõychi Konknni
gom-deva - गोंयची कोंकणी
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gor - Bahasa Hulontalo
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ike-cans - ᐃᓄᒃᑎᑐᑦ
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kk-cn - قازاقشا (جۇنگو)
kk-cyrl - қазақша (кирил)
kk-kz - қазақша (Қазақстан)
kk-latn - qazaqşa (latın)
kk-tr - qazaqşa (Türkïya)
kl - kalaallisut
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kn - ಕನ್ನಡ
ko - 한국어
ko-kp - 조선말
koi - перем коми
kr - kanuri
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ks-arab - کٲشُر
ks-deva - कॉशुर
ksh - Ripoarisch
ksw - စှီၤ
ku - kurdî
ku-arab - كوردي (عەرەبی)
ku-latn - kurdî (latînî)
kum - къумукъ
kus - Kʋsaal
kv - коми
kw - kernowek
ky - кыргызча
la - Latina
lad - Ladino
lb - Lëtzebuergesch
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lez - лезги
lfn - Lingua Franca Nova
lg - Luganda
li - Limburgs
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liv - Līvõ kēļ
lki - لەکی
lld - Ladin
lmo - lombard
ln - lingála
lo - ລາວ
loz - Silozi
lrc - لۊری شومالی
lt - lietuvių
ltg - latgaļu
lus - Mizo ţawng
luz - لئری دوٙمینی
lv - latviešu
lzh - 文言
lzz - Lazuri
mad - Madhurâ
mag - मगही
mai - मैथिली
map-bms - Basa Banyumasan
mdf - мокшень
mg - Malagasy
mh - Ebon
mhr - олык марий
mi - Māori
min - Minangkabau
mk - македонски
ml - മലയാളം
mn - монгол
mni - ꯃꯤꯇꯩ ꯂꯣꯟ
mnw - ဘာသာ မန်
mo - молдовеняскэ
mos - moore
mr - मराठी
mrh - Mara
mrj - кырык мары
ms - Bahasa Melayu
ms-arab - بهاس ملايو
mt - Malti
mus - Mvskoke
mwl - Mirandés
my - မြန်မာဘာသာ
myv - эрзянь
mzn - مازِرونی
na - Dorerin Naoero
nah - Nāhuatl
nan - Bân-lâm-gú
nap - Napulitano
nb - norsk bokmål
nds - Plattdüütsch
nds-nl - Nedersaksies
ne - नेपाली
new - नेपाल भाषा
ng - Oshiwambo
nia - Li Niha
niu - Niuē
nl - Nederlands
nl-informal - Nederlands (informeel)
nmz - nawdm
nn - norsk nynorsk
no - norsk
nod - ᨣᩤᩴᨾᩮᩬᩥᨦ
nog - ногайша
nov - Novial
nqo - ߒߞߏ
nrm - Nouormand
nso - Sesotho sa Leboa
nv - Diné bizaad
ny - Chi-Chewa
nyn - runyankore
nys - Nyunga
oc - occitan
ojb - Ojibwemowin
olo - livvinkarjala
om - Oromoo
or - ଓଡ଼ିଆ
os - ирон
pa - ਪੰਜਾਬੀ
pag - Pangasinan
pam - Kapampangan
pap - Papiamentu
pcd - Picard
pcm - Naijá
pdc - Deitsch
pdt - Plautdietsch
pfl - Pälzisch
pi - पालि
pih - Norfuk / Pitkern
pl - polski
pms - Piemontèis
pnb - پنجابی
pnt - Ποντιακά
prg - prūsiskan
ps - پښتو
pt - português
pt-br - português do Brasil
pwn - pinayuanan
qqq - Message documentation
qu - Runa Simi
qug - Runa shimi
rgn - Rumagnôl
rif - Tarifit
rki - ရခိုင်
rm - rumantsch
rmc - romaňi čhib
rmy - romani čhib
rn - ikirundi
ro - română
roa-tara - tarandíne
rsk - руски
ru - русский
rue - русиньскый
rup - armãneashti
ruq - Vlăheşte
ruq-cyrl - Влахесте
ruq-latn - Vlăheşte
rw - Ikinyarwanda
ryu - うちなーぐち
sa - संस्कृतम्
sah - саха тыла
sat - ᱥᱟᱱᱛᱟᱲᱤ
sc - sardu
scn - sicilianu
sco - Scots
sd - سنڌي
sdc - Sassaresu
sdh - کوردی خوارگ
se - davvisámegiella
se-fi - davvisámegiella (Suoma bealde)
se-no - davvisámegiella (Norgga bealde)
se-se - davvisámegiella (Ruoŧa bealde)
sei - Cmique Itom
ses - Koyraboro Senni
sg - Sängö
sgs - žemaitėška
sh - srpskohrvatski / српскохрватски
sh-cyrl - српскохрватски (ћирилица)
sh-latn - srpskohrvatski (latinica)
shi - Taclḥit
shi-latn - Taclḥit
shi-tfng - ⵜⴰⵛⵍⵃⵉⵜ
shn - ၽႃႇသႃႇတႆး
shy - tacawit
shy-latn - tacawit
si - සිංහල
simple - Simple English
sjd - кӣллт са̄мь кӣлл
sje - bidumsámegiella
sk - slovenčina
skr - سرائیکی
skr-arab - سرائیکی
sl - slovenščina
sli - Schläsch
sm - Gagana Samoa
sma - åarjelsaemien
smn - anarâškielâ
sms - nuõrttsääʹmǩiõll
sn - chiShona
so - Soomaaliga
sq - shqip
sr - српски / srpski
sr-ec - српски (ћирилица)
sr-el - srpski (latinica)
srn - Sranantongo
sro - sardu campidanesu
ss - SiSwati
st - Sesotho
stq - Seeltersk
sty - себертатар
su - Sunda
sv - svenska
sw - Kiswahili
syl - ꠍꠤꠟꠐꠤ
szl - ślůnski
szy - Sakizaya
ta - தமிழ்
tay - Tayal
tcy - ತುಳು
tdd - ᥖᥭᥰᥖᥬᥳᥑᥨᥒᥰ
te - తెలుగు
tet - tetun
tg - тоҷикӣ
tg-cyrl - тоҷикӣ
tg-latn - tojikī
th - ไทย
ti - ትግርኛ
tk - Türkmençe
tl - Tagalog
tly - tolışi
tly-cyrl - толыши
tn - Setswana
to - lea faka-Tonga
tok - toki pona
tpi - Tok Pisin
tr - Türkçe
tru - Ṫuroyo
trv - Seediq
ts - Xitsonga
tt - татарча / tatarça
tt-cyrl - татарча
tt-latn - tatarça
tum - chiTumbuka
tw - Twi
ty - reo tahiti
tyv - тыва дыл
tzm - ⵜⴰⵎⴰⵣⵉⵖⵜ
udm - удмурт
ug - ئۇيغۇرچە / Uyghurche
ug-arab - ئۇيغۇرچە
ug-latn - Uyghurche
uk - українська
ur - اردو
uz - oʻzbekcha / ўзбекча
uz-cyrl - ўзбекча
uz-latn - oʻzbekcha
ve - Tshivenda
vec - vèneto
vep - vepsän kel’
vi - Tiếng Việt
vls - West-Vlams
vmf - Mainfränkisch
vmw - emakhuwa
vo - Volapük
vot - Vaďďa
vro - võro
wa - walon
wal - wolaytta
war - Winaray
wls - Fakaʻuvea
wo - Wolof
wuu - 吴语
xal - хальмг
xh - isiXhosa
xmf - მარგალური
xsy - saisiyat
yi - ייִדיש
yo - Yorùbá
yrl - Nhẽẽgatú
yue - 粵語
za - Vahcuengh
zea - Zeêuws
zgh - ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ
zh - 中文
zh-cn - 中文(中国大陆)
zh-hans - 中文(简体)
zh-hant - 中文(繁體)
zh-hk - 中文(香港)
zh-mo - 中文(澳門)
zh-my - 中文(马来西亚)
zh-sg - 中文(新加坡)
zh-tw - 中文(臺灣)
zu - isiZulu
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{{DISPLAYTITLE:Moduli Python aggiuntivi}}<languages/> {{Docnav/it |[[Workbench_creation/it|Creare un Ambiente di lavoro]] |[[Source_documentation/it|Documentazione del codice sorgente]] }} {{TOCright}} <span id="Overview"></span> ==Introduzione== Questa pagina elenca alcuni moduli Python aggiuntivi o altre parti di software che possono essere scaricati gratuitamente da internet, e che aggiungono funzionalità alla vostra installazione FreeCAD. <span id="PySide"></span> <div class="mw-translate-fuzzy"> == PySide (precedentemente era PyQt) == </div> * homepage (PySide): [http://qt-project.org/wiki/PySide http://qt-project.org/wiki/PySide] * licenza: LGPL * optional, ma è necessario per diversi moduli: Draft, Arch, Ship, Plot, OpenSCAD, Spreadsheet <div class="mw-translate-fuzzy"> PySide (precedentemente PyQt) è richiesto da diversi moduli di FreeCAD per accedere all'interfaccia Qt di FreeCAD. È già incluso nella versione per windows di FreeCAD, e di solito su Linux è installato automaticamente da FreeCAD quando l'installazione viene fatta dai repository ufficiali. Se i moduli Draft, Arch, ecc. sono abilitati, dopo che FreeCAD è installato, significa che PySide (precedentemente PyQt) è presente e non è più necessario fare nulla. </div> '''Note:''' In FreeCAD, PyQt4 diventerà progressivamente obsoleto dopo la versione 0.13, a favore di [http://qt-project.org/wiki/PySide PySide], che fa esattamente lo stesso lavoro, ma ha una licenza (LGPL) più compatibile con FreeCAD. <span id="Installation"></span> === Installazione === ==== Linux ==== Il modo più semplice per installare PySide è attraverso il gestore dei pacchetti della propria distribuzione. Su sistemi Debian/Ubuntu, il nome del pacchetto è generalmente ''python-PySide'', mentre per i sistemi basati su RPM viene chiamato ''pyside''. Le dipendenze necessarie (Qt e SIP) si installano automaticamente. ==== Windows ==== Il programma può essere scaricato da http://qt-project.org/wiki/Category:LanguageBindings::PySide::Downloads. Prima di installare PyQt4 è necessario installare le librerie Qt e SIP (operazioni da documentare). ==== MacOS ==== PySide può essere installato su Mac tramite homebrew oppure port. Per maggiori informazioni, vedere [[Compile on MacOS/it#Installare le dipendenze|Installare le dipendenze]]. <span id="Usage"></span> === Utilizzo === Dopo l'installazione, è possibile verificare che tutto funzioni digitando nella console Python di FreeCAD: {{Code|code= import PySide }} Per accedere all'interfaccia di FreeCAD, digitare: {{Code|code= from PySide import QtCore,QtGui FreeCADWindow = FreeCADGui.getMainWindow() }} Quindi si può iniziare ad esplorare l'interfaccia con il comando dir(). È possibile aggiungere nuovi elementi, ad esempio un widget personalizzato, con comandi come: {{Code|code= FreeCADWindow.addDockWidget(QtCore.Qt.RghtDockWidgetArea,my_custom_widget) }} Lavorare con Unicode: {{Code|code= text = text.encode('utf-8') }} Lavorare con QFileDialog e OpenFileName: {{Code|code= path = FreeCAD.ConfigGet("AppHomePath") #path = FreeCAD.ConfigGet("UserAppData") OpenName, Filter = PySide.QtGui.QFileDialog.getOpenFileName(None, "Read a txt file", path, "*.txt") }} Lavorare con QFileDialog e SaveFileName: {{Code|code= path = FreeCAD.ConfigGet("AppHomePath") #path = FreeCAD.ConfigGet("UserAppData") SaveName, Filter = PySide.QtGui.QFileDialog.getSaveFileName(None, "Save a file txt", path, "*.txt") }} <span id="Additional_documentation"></span> === Documentazione aggiuntiva === * [https://doc.qt.io/qt.html#qtforpython Qt official documentation site] == Pivy == * homepage: [https://bitbucket.org/Coin3D/coin/wiki/Home https://bitbucket.org/Coin3D/coin/wiki/Home] * licenza: BSD * optional, ma è necessario per alcuni moduli di FreeCAD: Draft, Arch Pivy serve a alcuni moduli per accedere alla visualizzazione 3D di FreeCAD. Su Windows, Pivy è già in impacchettato nel programma di installazione FreeCAD, e su Linux solitamente è installato automaticamente quando si installa FreeCAD da un repository ufficiale. Su macOS, purtroppo, è necessario compilare pivy da soli. <span id="Installation"></span> === Installazione === <span id="Prerequisites"></span> ==== Prerequisiti ==== Si presume che prima di compilare Pivy si desideri avere Coin e SoQt installati. Per compilarlo su Mac è sufficiente installare il [http://www.coin3d.org/lib/plonesoftwarecenter_view pacchetto binario Coin3]. Il tentativo di installare Coin da MacPorts è stato problematico: ha cercato di aggiungere un sacco di pacchetti di X Windows e alla fine il tentativo è fallito con un errore di script. Per Fedora ho trovato un RPM con Coin3 SoQt compilato da [http://www.coin3d.org/lib/soqt/releases/1.5.0 codice sorgente] funziona bene su Mac e Linux. ==== Debian & Ubuntu ==== A partire da Debian Squeeze e Ubuntu Lucid, Pivy sarà disponibile direttamente dai repository ufficiali e questo eviterà un sacco di problemi. Nel frattempo, è possibile scaricare uno dei pacchetti che abbiamo creato (per Debian e Ubuntu Karmic) e disponibili nelle pagine [[Download]], o compilarlo da soli. Il modo migliore per compilare facilmente Pivy è quello di prendere il pacchetto sorgente di Debian per Pivy e creare un pacchetto con debuild. È lo stesso codice sorgente dal sito ufficiale di Pivy, ma la comunità di Debian vi ha fatto diverse aggiunte bug-fixing. Si compila bene anche su Ubuntu Karmic: http://packages.debian.org/squeeze/python-pivy . Scaricare i file .orig.gz e .diff.gz, poi decomprimerli entrambi, quindi applicare .diff al codice sorgente: andare nella cartella del codice sorgente decompresso di Pivy, e applicare la patch .diff: {{Code|code= patch -p1 < ../pivy_0.5.0~svn765-2.diff }} poi {{Code|code= debuild }} per avere Pivy correttamente costruito in un pacchetto ufficiale installabile. Dopo è sufficiente installare il pacchetto con gdebi. <span id="Other_Linux_distributions"></span> <div class="mw-translate-fuzzy"> ==== Altre distribuzioni Linux ==== </div> Prima di tutto scaricare gli ultimi sorgenti dai [http://pivy.coin3d.org/mercurial/ repository del progetto]: {{Code|code= hg clone http://hg.sim.no/Pivy/default Pivy }} A partire dal marzo 2012, l'ultima versione è Pivy-0.5. In seguito serve uno strumento chiamato SWIG per generare il codice C++ per i binding di Python. Pivy-0.5 segnala che è stato testato solo con SWIG 1.3.31, 1.3.33, 1.3.35 e 1.3.40. Perciò si può scaricare un tarball del codice sorgente di una di queste vecchie versioni da [http://www.swig.org http://www.swig.org]. Poi scompattarlo e da una riga di comando fare (come root): {{Code|code= ./configure make make install (or checkinstall if you use it) }} Impiega appena pochi secondi per costruirsi. In alternativa, si può provare la costruzione con un SWIG più recente. A partire dal marzo 2012 la versione tipica del repository è la 2.0.4. Pivy presenta un piccolo problema di compilazione con SWIG 2.0.4 su macOS (vedere sotto), mentre pare si costruisca bene su Fedora Core 15. Dopo le operazioni precedenti andare nel sorgente di Pivy e eseguire: {{Code|code= python setup.py build }} per creare i file sorgente. Notare che la generazione può produrre migliaia di avvisi, ma fortunatamente non ci sono errori. Questo è probabilmente obsoleto, ma si può incorrere in un errore di compilazione in cui una 'const char*' non può essere convertita in una 'char*'. Per risolvere il problema basta scrivere una 'const' prima nelle righe appropriate. Si devono correggere sei righe. Dopo di che, installare digitando (come root): {{Code|code= python setup.py install (or checkinstall python setup.py install) }} Questo è tutto. Pivy è installato. ==== MacOS ==== Queste istruzioni potrebbero non essere complete. Qualcosa di simile a questo ha funzionato per OS 10,7 dopo marzo 2012. Io uso MacPorts come repository, ma dovrebbero funzionare anche le altre opzioni. Per quanto riguarda Linux, scaricare l'ultimo codice sorgente: {{Code|code= hg clone http://hg.sim.no/Pivy/default Pivy }} Se non si dispone di hg, è possibile ottenerlo da MacPorts: {{Code|code= port install mercurial }} Poi, come prima, è necessario SWIG. Si tratta di fare: {{Code|code= port install swig }} C'è bisogno anche di: {{Code|code= port install swig-python }} Da marzo 2012, la versione di SWIG in MacPorts è la 2.0.4. Come detto in precedenza per Linux, potrebbe essere meglio scaricare una versione precedente. SWIG 2.0.4 sembra avere un bug che blocca la costruzione di Pivy. Vedere il primo messaggio in questa [https://sourceforge.net/mailarchive/message.php?msg_id=28114815 raccolta] Questo problema può essere corretto modificando i 2 percorsi del codice sorgente per aggiungere dereferenziazioni: arg4 *, * arg5 al posto di arg4, arg5. Ora si può costruire Pivy: {{Code|code= python setup.py build sudo python setup.py install }} ==== Windows ==== Supponendo di utilizzare Visual Studio 2005 o versioni successive è necessario aprire un prompt dei comandi con 'Visual Studio 2005 Command prompt' dal menu Strumenti. Se l'interprete Python non è ancora nel percorso di sistema fare: {{Code|code= set PATH=path_to_python_3.x;%PATH% }} Per avere pivy funzionante si devono scaricare gli ultimi sorgenti dal repository del progetto: {{Code|code= svn co https://svn.coin3d.org/repos/Pivy/trunk Pivy }} Dopo serve lo strumento chiamato SWIG per generare il codice C++ per i binding con Python. Si raccomanda di utilizzare la versione 1.3.25 di SWIG, non l'ultima versione, perché al momento pivy funziona correttamente solo con la 1.3.25. Scaricare i file binari per 1.3.25 da [http://www.swig.org http://www.swig.org]. Poi scompattarli e dalla riga di comando aggiungerli al percorso di sistema {{Code|code= set PATH=path_to_swig_1.3.25;%PATH% }} e impostare il percorso appropriato per COINDIR {{Code|code= set COINDIR=path_to_coin }} Su Windows il file di configurazione di pivy si aspetta SoWin invece di SoQt come predefinito. Non ho trovato un modo valido per costruirlo con SoQt, così ho modificato direttamente il file setup.py. Nella riga 200 è sufficiente rimuovere la parte 'sowin': ('gui._sowin', 'sowin-config', 'Pivy.gui.') (non rimuovere le parentesi di chiusura). Successivamente andare nel sorgente di pivy e eseguire: {{Code|code= python setup.py build }} per creare i file sorgente. Si può incorrere nell'errore di compilazione 'header files couldn't be found' (file di intestazione non trovati). In questo caso, impostare la variabile INCLUDE {{Code|code= set INCLUDE=%INCLUDE%;path_to_coin_include_dir }} e, se le intestazioni di SoQt non sono nella stessa posizione delle intestazioni di Coin, impostare anche {{Code|code= set INCLUDE=%INCLUDE%;path_to_soqt_include_dir }} e infine impostare le intestazioni di Qt {{Code|code= set INCLUDE=%INCLUDE%;path_to_pyside\include\Qt }} Se si utilizza la Express Edition di Visual Studio si potrebbe ricevere un'eccezione keyerror di Python. In questo caso è necessario modificare alcune parti in msvccompiler.py, che si trova nella propria installazione di Python. Andare alla riga 122 e sostituire la riga {{Code|code= vsbase = r"Software\Microsoft\VisualStudio\%0.1f" % version }} con {{Code|code= vsbase = r"Software\Microsoft\VCExpress\%0.1f" % version }} Quindi riprovare di nuovo. Se si riceve un secondo errore del tipo {{Code|code= error: Python was built with Visual Studio 2003;... }} è necessario sostituire anche la riga 128 {{Code|code= self.set_macro("FrameworkSDKDir", net, "sdkinstallrootv1.1") }} con {{Code|code= self.set_macro("FrameworkSDKDir", net, "sdkinstallrootv2.0") }} Riprovare ancora una volta. Se si ottiene di nuovo un errore quale {{Code|code= error: Python was built with Visual Studio version 8.0, and extensions need to be built with the same version of the compiler, but it isn't installed. }} allora si deve controllare le variabili d'ambiente DISTUTILS_USE_SDK e MSSDK con {{Code|code= echo %DISTUTILS_USE_SDK% echo %MSSDK% }} Se non sono ancora impostate basta impostarle, ad esempio, a 1 {{Code|code= set DISTUTILS_USE_SDK=1 set MSSDK=1 }} Ora, si può incorrere in un errore di compilazione in cui una 'const char *' non può essere convertita in una 'char *'. Per risolvere il problema basta scrivere una 'const' prima nelle righe appropriate. Ci sono sei righe da correggere. Infine, copiare la directory di pivy generata in un posto dove l'interprete di Python di FreeCAD possa trovarla. <span id="Usage"></span> === Utilizzo === Per verificare se Pivy è installato correttamente: {{Code|code= import pivy }} Per consentire a Pivy di accedere al grafo di scena (Scenegraph) di FreeCAD effettuare le seguenti operazioni: {{Code|code= from pivy import coin App.newDocument() # Open a document and a view view = Gui.ActiveDocument.ActiveView FCSceneGraph = view.getSceneGraph() # returns a pivy Python object that holds a SoSeparator, the main "container" of the Coin scenegraph FCSceneGraph.addChild(coin.SoCube()) # add a box to scene }} Ora è possibile esplorare FCSceneGraph con il comando dir(). <span id="Additonal_Documentation"></span> === Documentazione aggiuntiva === Purtroppo in rete la documentazione su Pivy è ancora quasi inesistente. Ma può essere utile la documentazione di Coin, in quanto Pivy semplicemente traduce le funzioni di Coin, i nodi e i metodi in Python, tutto mantiene lo stesso nome e le stesse proprietà, tenendo presente la differenza di sintassi tra C e Python: * http://doc.coin3d.org/Coin/classes.html - Coin3D API Reference * http://www-evasion.imag.fr/~Francois.Faure/doc/inventorMentor/sgi_html/index.html - The Inventor Mentor - La "Bibbia" del linguaggio di descrizione della scena di Inventor. Potete anche esplorare il file Draft.py nella cartella Mod/Draft di FreeCAD, dato che che in esso si fa un grande uso di pivy. == pyCollada == <div class="mw-translate-fuzzy"> * homepage: http://pycollada.github.com * license: BSD * optional, necessario per consentire di importare ed esportare i file di Collada (.DAE) </div> pyCollada è una libreria di Python che permette ai programmi di leggere e di scrivere [http://en.wikipedia.org/wiki/COLLADA i file di Collada (*.DAE)]. Quando pyCollada è installato sul sistema, FreeCAD lo rileva e aggiunge le opzioni di importazione e di esportazione per gestire l'apertura e il salvataggio di file nel formato Collada. <span id="Installation"></span> === Installazione === ==== Linux ==== {{Code|code= sudo apt-get install python3-collada }} Si può controllare se pycollada è stato installato correttamente digitando in una console Python: {{Code|code= import collada }} Se non viene restituito nulla (nessun messaggio di errore), allora tutto è OK ==== Linux AppImages and Snaps ==== Paste this code in the [[Python_console|Python console]]: {{Code|code= import addonmanager_utilities as utils import subprocess import os if hasattr(utils, "get_python_exe"): # For v0.21: python_exe = utils.get_python_exe() else: # For v0.22/v1.0: from freecad.utils import get_python_exe python_exe = get_python_exe() vendor_path = utils.get_pip_target_directory() if not os.path.exists(vendor_path): os.makedirs(vendor_path) subprocess.run( [ python_exe, "-m", "pip", "install", "--disable-pip-version-check", "--target", vendor_path, "pycollada", ], stdout=subprocess.PIPE, stderr=subprocess.PIPE, timeout=120, check=True, ) }} ==== Windows ==== Su Windows, dalla versione 0.15, pycollada è incluso in FreeCAD sia nella versione di rilascio che in quella di sviluppo quindi non sono più necessari ulteriori passaggi. ==== MacOS ==== Se si utilizza la build Homebrew di FreeCAD è possibile installare pycollada nel proprio sistema Python utilizzando pip. Se è necessario installare pip: {{Code|code= $ sudo easy_install pip }} Installare pycollada: {{Code|code= $ sudo pip install pycollada }} Se si utilizza una versione binaria di FreeCAD, si può dire a pip di installare pycollada all'interno di FreeCAD.app: {{Code|code= $ pip install --target="/Applications/FreeCAD.app/Contents/lib/python3.x/site-packages" pycollada }} o dopo aver scaricato il codice pycollada {{Code|code= $ export PYTHONPATH=/Applications/FreeCAD\ 0.16.6706.app/Contents/lib/python3.x/site-packages:$PYTHONPATH $ python setup.py install --prefix=/Applications/FreeCAD\ 0.2x.yyyy.app/Contents }} == IfcOpenShell == * homepage: http://www.ifcopenshell.org * licenza: LGPL * optional, necessario per consentire di importare i file IFC IFCOpenShell è una libreria attualmente in fase di sviluppo, che permette di importare (e presto di esportare) file [http://en.wikipedia.org/wiki/Industry_Foundation_Classes Industry foundation Classes (*.IFC)]. IFC è una estensione per il formato STEP, e sta diventando lo standard nei processi di lavoro [http://en.wikipedia.org/wiki/Building_information_modeling BIM]. Quando ifcopenshell è installato correttamente nel vostro sistema, il [[Arch_Workbench/it|ambiente Arch]] di FreeCAD è grado di rilevarlo e usarlo per importare i file IFC. Poiché ifcopenshell si basa su OpenCascade, come FreeCAD, la qualità della importazione è molto buona, producendo geometria solida di alta qualità. <span id="Installation"></span> === Installazione === Dato che ifcopenshell è abbastanza recente, dovrete probabilmente compilarla da soli. ==== Linux ==== Per compilare ifcopenshell serve che sul sistema siano installati un paio di pacchetti di sviluppo: {{Code|code= libocct-*-dev python-dev swig }} ma dato che anche FreeCAD richiede tutti questi pacchetti, se è possibile compilare FreeCAD, non serve alcun dipendenza in più per compilare IfcOpenShell. Prelevare l'ultimo codice sorgente da: {{Code|code= git clone https://github.com/IfcOpenShell/IfcOpenShell.git }} Il processo di costruzione è molto semplice: {{Code|code= mkdir ifcopenshell-build cd ifcopenshell-build cmake ../IfcOpenShell/cmake }} o, se si utilizza Oce invece di OpenCascade: {{Code|code= cmake -DOCC_INCLUDE_DIR=/usr/include/oce ../ifcopenshell/cmake }} Siccome ifcopenshell è fatto principalmente per Blender, utilizza Python3 di impostazione predefinita. Per usarlo dentro FreeCAD, è necessario compilarlo contro la stessa versione di Python che viene utilizzata da FreeCAD. Quindi potrebbe essere necessario forzare la versione di Python con parametri aggiuntivi cmake (adattare per la vostra versione di Python): {{Code|code= cmake -DOCC_INCLUDE_DIR=/usr/include/oce -DPYTHON_INCLUDE_DIR=/usr/include/python2.7 -DPYTHON_LIBRARY=/usr/lib/python2.7.so ../ifcopenshell/cmake }} Poi: {{Code|code= make sudo make install }} Si può controllare se ifcopenshell è stato installato correttamente digitando in una console Python: {{Code|code= import ifcopenshell }} Se non viene restituito nulla (nessun messaggio di errore), allora tutto è OK ==== Windows ==== '''Nota''': I programmi di installazione di FreeCAD ufficiali ottenuti dal website/github di FreeCAD contengono già ifcopenshell. ''Copiato dal file README di IfcOpenShell'' Si consiglia agli utenti di utilizzare il file Visual Studio .sln nella cartella win/. Per gli utenti Windows è disponibile una versione predefinita di Open CASCADE sul [http://opencascade.org sito web di opencascade]. Scaricare e installare questa versione e fornire i percorsi dell'intestazione Open CASCADE e dei file di libreria a MS Visual Studio C++. Per creare il wrapper IfcPython, è necessario installare SWIG. Si prega di scaricare l'ultima versione di swigwin dal [https://www.swig.org/download.html sito web di swig]. Dopo aver estratto il file .zip, aggiungi la cartella estratta alla variabile di ambiente PATH. Python deve essere installato, fornire i percorsi di inclusione e libreria a Visual Studio. <span id="Links"></span> ===Link=== Tutorial [[Import/Export_IFC_-_compiling_IfcOpenShell/it|Importare e Esportare IFC - compilare IfcOpenShell]] == LazyLoader == LazyLoader è un modulo Python che consente il caricamento differito, pur continuando a importare all'inizio dello script. Ciò è utile se stai importando un altro modulo che è lento e viene utilizzato più volte durante lo script. L'utilizzo di LazyLoader può migliorare i tempi di avvio del workbench, ma il modulo dovrà comunque essere caricato al primo utilizzo. <span id="Installation"></span> === Installazione === LazyLoader è incluso in FreeCAD v0.19 <span id="Usage"></span> === Utilizzo === Dovrai importare LazyLoader, quindi modificare l'importazione di qualsiasi modulo desideri rinviare. {{Code|code= from lazy_loader.lazy_loader import LazyLoader Part = LazyLoader('Part', globals(), 'Part') }} La variabile Part è il nome del modulo nel tuo script. È possibile replicare "importa parte come P" modificando la variabile. {{Code|code= P = LazyLoader('Part', globals(), 'Part') }} Si può anche importare un modulo da un pacchetto. {{Code|code= utils = LazyLoader('PathScripts', globals(), 'PathScripts.PathUtils') }} Non si può importare singole funzioni, solo interi moduli. <span id="Links"></span> === Link === * Sorgente originale: https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/util/lazy_loader.py * Ulteriori indicazioni: https://wil.yegelwel.com/lazily-importing-python-modules/ * Codice all'interno del codice sorgente di FreeCAD: https://github.com/FreeCAD/FreeCAD/tree/master/src/3rdParty/lazy_loader * Discussione nel forum: https://forum.freecadweb.org/viewtopic.php?f=10&t=45298 {{Docnav/it |[[Workbench_creation/it|Creare un Ambiente di lavoro]] |[[Source_documentation/it|Documentazione del codice sorgente]] }} {{Userdocnavi{{#translation:}}}} [[Category:Python Code{{#translation:}}]] [[Category:Developer Documentation{{#translation:}}]]