Mercurial > hg > PaInt

comparison paint/package.py @ 13:0dd1f8f83be2

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moving towards some sort of organization
author Jeff Hammel <jhammel@mozilla.com>
date Fri, 24 Feb 2012 15:39:42 -0800
parents ceb8c69a16f3
children 6d27c2136163
comparison
equal deleted inserted replaced
12:ceb8c69a16f3 13:0dd1f8f83be2
14 class Package(object): 14 class Package(object):
15 # XXX much of this is generic resource stuff and should be split off 15 # XXX much of this is generic resource stuff and should be split off
16 16
17 def __init__(self, src): 17 def __init__(self, src):
18 self.src = src 18 self.src = src
19
20 # ephemeral data
19 self._tmppath = None 21 self._tmppath = None
22 self._egg_info = None
20 23
21 def path(self): 24 def path(self):
22 """filesystem path to package""" 25 """filesystem path to package"""
23 26
24 # return cached copy if it exists 27 # return cached copy if it exists
70 shutil.rmtree(self._tmppath) 73 shutil.rmtree(self._tmppath)
71 self._tmppath = None 74 self._tmppath = None
72 75
73 __del__ = cleanup 76 __del__ = cleanup
74 77
78 ### python-package-specific functionality
79
80 def egg_info(self):
81 """build the egg_info directory"""
82
83 if self._egg_info:
84 # return cached copy
85 return self._egg_info
86
87 directory = self.path
88
75 def info(self): 89 def info(self):
76 """return info dictionary for package""" 90 """return info dictionary for package"""
77 path = self.path() 91 directory = self.path()
78 assert os.path.exists(os.path.join(path, 'setup.py')) 92 assert os.path.exists(os.path.join(path, 'setup.py'))
93
94 # setup the egg info
95 call([sys.executable, 'setup.py', 'egg_info'], cwd=directory, stdout=PIPE)
96
97 # get the .egg-info directory
98 egg_info = [i for i in os.listdir(directory)
99 if i.endswith('.egg-info')]
100 assert len(egg_info) == 1, 'Expected one .egg-info directory in %s, got: %s' % (directory, egg_info)
101 egg_info = os.path.join(directory, egg_info[0])
102 assert os.path.isdir(egg_info), "%s is not a directory" % egg_info
103
104 # read the dependencies
105 requires = os.path.join(egg_info, 'requires.txt')
106 if os.path.exists(requires):
107 dependencies = [i.strip() for i in file(requires).readlines() if i.strip()]
108 else:
109 dependencies = []
110
111 # read the package information
112 pkg_info = os.path.join(egg_info, 'PKG-INFO')
113 info_dict = {}
114 for line in file(pkg_info).readlines():
115 if not line or line[0].isspace():
116 continue # XXX neglects description
117 assert ':' in line
118 key, value = [i.strip() for i in line.split(':', 1)]
119 info_dict[key] = value
120
121 # return the information
122 return info_dict['Name'], dependencies
79 123
80 def dependencies(self): 124 def dependencies(self):
81 info = self.info() 125 info = self.info()