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#! /usr/bin/env python3
#
# Script to create debian/control for package boost-defaults
from debian.deb822 import Deb822
import re, sys
gBoostVersion = None
def versionFromSourceName(sourcename):
m = re.match("^boost(\d+)\.(\d+)(\.\d+)?$", sourcename)
if not m: raise RuntimeError("source name does not match expected pattern: " + sourcename)
minor = ".0"
if m.lastindex > 2: minor = m.group(3)
return ".".join(m.group(1,2)) + minor
class BoostVersion:
def __init__(self, version):
(self.Major,self.Minor,self.Revision) = version.split('.')
self.PackageVersion = self.Major + '.' + self.Minor
self.SharedObjectVersion = version
def versionedSubPackage(self, subpkg):
'''Given a subpackage name (subpkg) such as "dev",
returns the versioned package name, libboost@Major.Minor@-@subpkg@.'''
return 'libboost' + self.PackageVersion + '-' + subpkg
def containsPackageVersion(self, string):
'''Return true if 'string' contains the Package version string.'''
return re.search(self.PackageVersion, string) is not None
def containsSharedObjectVersion(self, string):
'''Return true if 'string' contains the Shared Object version string.'''
return re.search(self.SharedObjectVersion, string) is not None
def stripVersion(self, string):
'''Remove PackageVersion or SharedObjectVersion if contained in 'string'.'''
return self.replaceVersion(string,'')
def replaceVersion(self, string, replacement):
'''Replace either PackageVersion or SharedObjectVersion if contained in 'string',
with 'replacement'.'''
string = re.sub(self.SharedObjectVersion, replacement, string)
string = re.sub(self.PackageVersion, replacement, string)
return string
def appendFirstLine(string, suffix):
'''Given a multiline string, return a new string
with suffix appended to the first line.'''
lines = string.split('\n')
lines[0] += suffix
return '\n'.join(lines)
def deleteKey(paragraph, key):
if key in paragraph:
del paragraph[key]
def processSourceParagraph(p):
p['Source'] = 'boost-defaults'
p['Vcs-Browser'] = 'https://salsa.debian.org/debian/boost-defaults'
p['Vcs-Git'] = 'https://salsa.debian.org/debian/boost-defaults.git'
p['Build-Depends'] = 'debhelper (>= 9), ' + \
gBoostVersion.versionedSubPackage('dev') + ' (>= ' + gBoostVersion.SharedObjectVersion + ')'
deleteKey(p, 'Build-Conflicts')
deleteKey(p, 'Build-Depends-Indep')
def genericPackageName(pkgName):
'''Given an input package name of the form x1-x2-...-yVERSION-z,
return an unversioned variant of form x1-x2-...-y-z.'''
nameComponents = pkgName.split('-')
lastComp = nameComponents[-1]
if not lastComp in ['dbg','dev','doc']:
return None
return '-'.join(map(gBoostVersion.stripVersion, nameComponents))
def dependsLibDev(p, versionedName):
'''Set package Depends for a library -dev package.'''
return '${misc:Depends}, ' + versionedName
def dependsDbg(p, versionedName):
'''Set package Depends for libboost-dbg.'''
return 'libboost-dev (= ${binary:Version}), ' + dependsLibDev(p, versionedName)
def dependsAllDev(p, versionedName):
'''Set package Depends for libboost-all-dev.'''
return gBoostVersion.stripVersion(p['Depends'])
def processPackageParagraph(p):
versionedName = p['Package']
genericName = genericPackageName(versionedName)
if genericName is None:
return False
p['Package'] = genericName
if genericName == 'libboost-dbg':
depends = dependsDbg(p, versionedName)
elif genericName == 'libboost-all-dev':
depends = dependsAllDev(p, versionedName)
else:
depends = dependsLibDev(p, versionedName)
p['Depends'] = depends
if genericName == 'libboost-dev':
p['Suggests'] = 'libboost-doc'
else:
deleteKey(p, 'Suggests')
deleteKey(p, 'Recommends')
deleteKey(p, 'Conflicts')
deleteKey(p, 'Replaces')
p['Description'] = appendFirstLine(p['Description'], ' (default version)') \
+ '''
.
This package is a dependency package, which depends on Debian\'s default
Boost version (currently ''' + gBoostVersion.PackageVersion + ').'
return True
def printParagraph(p):
for key in p.keys():
print("%s: %s" % (key, p[key]))
def processControl(controlfile):
firstParagraph = True
for paragraph in Deb822.iter_paragraphs(open(controlfile)):
if firstParagraph:
global gBoostVersion
gBoostVersion = BoostVersion(versionFromSourceName(paragraph['Source']))
processSourceParagraph(paragraph)
printParagraph(paragraph)
firstParagraph = False
else:
if processPackageParagraph(paragraph):
print()
printParagraph(paragraph)
controlfile = 'control'
if len(sys.argv) > 1:
controlfile = sys.argv[1]
processControl(controlfile)
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