99376073ba
- did some code review and typo fixes git-svn-id: http://svn.sabayonlinux.org/projects/entropy/trunk@991 cd1c1023-2f26-0410-ae45-c471fc1f0318
93 lines
3.5 KiB
Plaintext
93 lines
3.5 KiB
Plaintext
'''
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Copyright (C) 2007 Fabio Erculiani
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Released under GPLv2 License
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- This is a template for external triggers. Only 4 functions will be called by Entropy:
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@ preinstall(): triggered before injecting data into the database and copying files on the system
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@ preremove(): triggered before removing files from the system and from the database
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@ postinstall(): triggered after injecting data into the database and copying files on the system
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@ postremove(): triggered after removing files from the system and from the database
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- You must always specify them.
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- Each function can only print errors and ONLY in case of critical ones, return != 0 that will be grabbed by the trigger (setting ext_status)
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How it works:
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- this file will be stored inside the entropy database
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- trigger code will be extracted and saved into a file with the name trigger inside the package unpack directory
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- will be issued:
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stage = 'postinstall' # this can be postinstall, preinstall, postremove, preremove
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execfile(etpConst['entropyunpackdir']+...+"trigger")
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- code will have access to the entropy package dictionary and will be executed inside TriggersInterface (postinstall(),preinstall(),postremove(),preremove())
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Example of pkgdata:
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{
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'config_protect_mask': u'/etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/ /etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/splash /etc/terminfo /etc/texmf/web2c /etc/udev/rules.d',
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'etpapi': 1,
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'config_protect': u'/usr/NX/etc /usr/NX/home /etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/share/config/kdm /usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config',
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'sources': set([u'http://www.zlib.net/zlib-1.2.3.tar.bz2', u'http://www.gzip.org/zlib/zlib-1.2.3.tar.bz2']),
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'download': u'packages/amd64/3.5/zlib-1.2.3-r1.tbz2',
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'digest': u'35c9749fb6f782d76a746cb6c8ec1d82',
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'description': u'Standard (de)compression library',
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'category': u'sys-libs',
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'versiontag': u'',
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'provide': set([]),
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'conflicts': set([]),
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'content': {'/path/to/file': "filetype (can be sym,obj,dir)"},
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'needed': set([u'libc.so.6']),
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'version': u'1.2.3-r1',
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'cflags': u'-Os -march=x86-64 -pipe',
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'size': u'154723',
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'homepage': u'http://www.zlib.net/',
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'slot': u'0',
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'datecreation': u'1194274924.0',
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'branch': u'3.5',
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'useflags': set([]),
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'eclasses': set([u'toolchain-funcs', u'multilib', u'portability', u'eutils', u'flag-o-matic']),
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'binkeywords': set([u'x86', u'amd64']),
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'mirrorlinks': [],
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'cxxflags': u'-Os -march=x86-64 -pipe',
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'dependencies': set([]),
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'chost': u'x86_64-pc-linux-gnu',
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'systempackage': 'xxx',
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'name': u'zlib',
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'license': u'ZLIB',
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'counter': 14629,
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'messages': [],
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'keywords': set([u'ppc', u's390', u'amd64', u'~x86-fbsd', u'x86', u'ppc64', u'm68k', u'arm', u'sparc', u'sh', u'mips', u'ia64', u'alpha', u'hppa', u'~sparc-fbsd']),
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'disksize': 434998
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}
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'''
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'''
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space for real triggers
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'''
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def ext_postinstall(pkgdata):
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print my_ext_printhello()+" postinstall"
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return 0
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def ext_preinstall(pkgdata):
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print my_ext_printhello()+" preinstall"
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return 0
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def ext_postremove(pkgdata):
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print my_ext_printhello()+" postremove"
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return 0
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def ext_preremove(pkgdata):
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print my_ext_printhello()+" preremove"
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return 0
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'''
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space for private functions
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Important: function must be declared globally and have suffix my_ext_
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'''
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global my_ext_printhello
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def my_ext_printhello():
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return "hello!"
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'''
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run the selected function
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'''
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global my_ext_status
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my_ext_status = eval("ext_"+stage)(pkgdata) |