3 from optparse import OptionParser, IndentedHelpFormatter
4 from ConfigParser import SafeConfigParser
10 CONFIG_SYSTEM = '/etc/ga_frontend/ga_frontend.conf'
11 CONFIG_USER = os.path.expanduser('~/.ga_frontend.conf')
13 #Disable or enable commandline arg parsing; disabled by default.
14 DISABLE_CMDLINE = True
16 class FlowCellNotFound(Exception): pass
17 class WebError404(Exception): pass
21 Used when command line parsing is disabled; default
25 self.output_filepath = None
28 class PreformattedDescriptionFormatter(IndentedHelpFormatter):
30 #def format_description(self, description):
33 # return description + "\n"
37 def format_epilog(self, epilog):
39 It was removing my preformated epilog, so this should override
40 that behavior! Muhahaha!
43 return "\n" + epilog + "\n"
48 def constructOptionParser():
50 returns a pre-setup optparser
52 global DISABLE_CMDLINE
57 parser = OptionParser(formatter=PreformattedDescriptionFormatter())
59 parser.set_description('Retrieves eland config file from ga_frontend web frontend.')
64 * %s (User specific; overrides system)
65 * command line overrides all config file options
70 base_host_url=http://somewhere.domain:port
71 """ % (CONFIG_SYSTEM, CONFIG_USER)
73 #Special formatter for allowing preformatted description.
74 ##parser.format_epilog(PreformattedDescriptionFormatter())
76 parser.add_option("-u", "--url",
77 action="store", type="string", dest="url")
79 parser.add_option("-o", "--output",
80 action="store", type="string", dest="output_filepath")
82 parser.add_option("-f", "--flowcell",
83 action="store", type="string", dest="flowcell")
85 #parser.set_default("url", "default")
89 def constructConfigParser():
91 returns a pre-setup config parser
93 parser = SafeConfigParser()
94 parser.read([CONFIG_SYSTEM, CONFIG_USER])
95 if not parser.has_section('config_file_server'):
96 parser.add_section('config_file_server')
101 def getCombinedOptions():
103 Returns optparse options after it has be updated with ConfigParser
104 config files and merged with parsed commandline options.
106 cl_parser = constructOptionParser()
107 conf_parser = constructConfigParser()
109 if cl_parser is None:
110 options = DummyOptions()
112 options, args = cl_parser.parse_args()
114 if options.url is None:
115 if conf_parser.has_option('config_file_server', 'base_host_url'):
116 options.url = conf_parser.get('config_file_server', 'base_host_url')
118 print 'USING OPTIONS:'
119 print ' URL:', options.url
120 print ' OUT:', options.output_filepath
121 print ' FC:', options.flowcell
127 def saveConfigFile(flowcell, base_host_url, output_filepath):
129 retrieves the flowcell eland config file, give the base_host_url
130 (i.e. http://sub.domain.edu:port)
132 url = base_host_url + '/eland_config/%s/' % (flowcell)
134 f = open(output_filepath, 'w')
136 web = urllib.urlopen(url)
137 #except IOError, msg:
138 # if str(msg).find("Connection refused") >= 0:
139 # print 'Error: Connection refused for: %s' % (url)
142 # elif str(msg).find("Name or service not known") >= 0:
143 # print 'Error: Invalid domain or ip address for: %s' % (url)
151 if data.find('Hmm, config file for') >= 0:
152 msg = "Flowcell (%s) not found in DB; full url(%s)" % (flowcell, url)
153 raise FlowCellNotFound, msg
155 if data.find('404 - Not Found') >= 0:
156 msg = "404 - Not Found: Flowcell (%s); base_host_url (%s);\n full url(%s)\n " \
157 "Did you get right port #?" % (flowcell, base_host_url, url)
158 raise FlowCellNotFound, msg
163 print 'Wrote config file to %s' % (output_filepath)