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#!/usr/bin/python
import getopt, sys, os, string, urllib, re
from filetricks import *
from ebuild import *
#note: this script makes use of exceptions
__doc__="Usage: "+sys.argv[0]+" <local repository directory> <action> [<action arguments>...]"
REPO_MYDIR=".g-cran"
REPO_CONFFILE="settings.cfg"
#Parse package options into values we can work with in accordance with PMS
def pmsify_packages_data(data):
#fix settings:
if 'package' not in data:
data['package']='test'
if not re.match('[a-zA-Z0-9+_].*',data['package']): #package name may not be valid according to PMS
data['package']='_'+package_name
if re.match('.*-[0-9]+',data['package']):
data['package']=package_name+'_'
#data['package']=data['package']
if 'version' not in data: #set a version even if we have none
data['version']='0'
else:
data['version']=data['version'].replace('-','.') #some CRAN-style versions have the form 0.1-1, which we transform into 0.1.1
if 'depends' in data:
#dependencies=re.split('([a-zA-Z0-9+_-]+[ \t]+\(.+?\)[ \t]+)',data['depends'])
dependencies=re.split(r'([a-zA-Z0-9+_-]+[ \t]+\\(.+?\\))|([a-zA-Z0-9+_-]+)[ \t]+',data['depends']) #split into packages + versions
data['depends']=['dev-lang/R',]+dependencies #fixme check
else: #some packages don't set dependencies
data['depends']=['dev-lang/R',]
return data
def read_packages(package_filename):
packages_file=open(package_filename,"r")
file_parts=EmptyLinesFile(packages_file) #this is where we split the PACKAGES file into several file parts
packages=[]
import rfc822
while not file_parts.eof:
new_package=dict(rfc822.Message(file_parts).items()) #read part of PACKAGES file
pmsify_packages_data(new_package) #fix values
packages.append(new_package) #store in dict
print packages
def action_sync(repo_location,remote_uri):
if not os.path.isdir(os.path.join(repo_location, REPO_MYDIR)):
if os.path.isdir(repo_location):
os.mkdir(os.path.join(repo_location,REPO_MYDIR))
else:
raise IOError
packages_filename=os.path.join(repo_location, REPO_MYDIR, 'PACKAGES')
urllib.urlretrieve(remote_uri+'/src/contrib/PACKAGES',packages_filename)
read_packages(packages_filename)
raise NotImplementedError
def list_categories(repo_location):
print "dev-R"
def list_packages(repo_location):
package_file=read_packages(os.path.join(repo_location,REPO_MYDIR,'PACKAGES'))
for package, package_metadata in package_file.items():
print "dev-R/"+package+"-"+package_metadata['version']
def usage():
print __doc__
#available_actions={'usage':action_usage}
pkg_funcs=['pkg_pretend','pkg_setup','src_unpack','src_prepare','src_configure','src_compile',
'src_test','src_install','pkg_preinst','pkg_postinst','pkg_prerm','pkg_postrm','pkg_config','pkg_info','pkg_nofetch']
actions_wanted=['usage','sync','list-categories','list-packages','package']+pkg_funcs
def main():
arguments=sys.argv[1:]
#print options, arguments
if len(arguments)<2: #we need at least a local repository location and an action
usage()
sys.exit(0)
action=arguments[1]
repo_location=os.path.abspath(arguments[0])
if action=='sync':
if len(arguments)<2:
print "The 'sync' action takes the following parameters:"
print " * remote_repository_uri"
if len(arguments)==3:
remote_repo=arguments[2]
#else:
# settings=read_settings(repo_location)
# remote_repo=settings['remote_repository_uri']
action_sync(repo_location,remote_repo)
elif action=='list-categories':
list_categories(repo_location)
elif action=='list-packages':
list_packages(repo_location)
elif action=='usage':
usage()
elif action in actions_wanted:
raise NotImplementedError
else:
usage()
if __name__ == "__main__":
main()
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