def save_substvars()

in dh_virtualenv/debhelper.py [0:0]

• 35 lines of code
• 17 McCabe index (conditional complexity)

    def save_substvars(self):
        for package, settings in self.packages.items():
            substvars = settings.get('substvars')
            if not substvars:
                continue
            fn = "debian/%s.substvars" % package
            if exists(fn):
                data = open(fn, 'r').read()
            else:
                data = ''
            for name, values in substvars.items():
                p = data.find("%s=" % name)
                if p > -1:  # parse the line and remove it from data
                    e = data[p:].find('\n')
                    line = data[p + len("%s=" % name):\
                                p + e if e > -1 else None]
                    items = [i.strip() for i in line.split(',') if i]
                    if e > -1 and data[p + e:].strip():
                        data = "%s\n%s" % (data[:p], data[p + e:])
                    else:
                        data = data[:p]
                else:
                    items = []
                for j in values:
                    if j not in items:
                        items.append(j)
                if items:
                    if data:
                        data += '\n'
                    data += "%s=%s\n" % (name, ', '.join(items))
            data = data.replace('\n\n', '\n')
            if data:
                fp = open(fn, 'w')
                fp.write(data)
                fp.close()