Source Code for Module buildbot.steps.package.rpm.rpmspec

 1  # Dan Radez <dradez+buildbot@redhat.com> 
 2  # Steve 'Ashcrow' Milner <smilner+buildbot@redhat.com> 
 3  # 
 4  # This software may be freely redistributed under the terms of the GNU 
 5  # general public license. 
 6  # 
 7  # You should have received a copy of the GNU General Public License 
 8  # along with this program; if not, write to the Free Software 
 9  # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
10  """ 
11  library to populate parameters from and rpmspec file into a memory structure 
12  """ 
13   
14  import re 
15  from buildbot.steps.shell import ShellCommand 
16   
17   
18 -class RpmSpec(ShellCommand): 
19      """ 
20      read parameters out of an rpm spec file 
21      """ 
22   
23      #initialize spec info vars and get them from the spec file 
24      n_regex = re.compile('^Name:[ ]*([^\s]*)') 
25      v_regex = re.compile('^Version:[ ]*([0-9\.]*)') 
26   
27 -    def __init__(self, specfile=None, **kwargs): 
28          """ 
29          Creates the RpmSpec object. 
30   
31          @type specfile: str 
32          @param specfile: the name of the specfile to get the package 
33              name and version from 
34          @type kwargs: dict 
35          @param kwargs: All further keyword arguments. 
36          """ 
37          self.specfile = specfile 
38          self._pkg_name = None 
39          self._pkg_version = None 
40          self._loaded = False 
41   
42 -    def load(self): 
43          """ 
44          call this function after the file exists to populate properties 
45          """ 
46          # If we are given a string, open it up else assume it's something we 
47          # can call read on. 
48          if isinstance(self.specfile, str): 
49              f = open(self.specfile, 'r') 
50          else: 
51              f = self.specfile 
52   
53          for line in f: 
54              if self.v_regex.match(line): 
55                  self._pkg_version = self.v_regex.match(line).group(1) 
56              if self.n_regex.match(line): 
57                  self._pkg_name = self.n_regex.match(line).group(1) 
58          f.close() 
59          self._loaded = True 
60   
61      # Read-only properties 
62      loaded = property(lambda self: self._loaded) 
63      pkg_name = property(lambda self: self._pkg_name) 
64      pkg_version = property(lambda self: self._pkg_version) 
65