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
27 class PreformattedDescriptionFormatter(IndentedHelpFormatter):
29 #def format_description(self, description):
32 # return description + "\n"
36 def format_epilog(self, epilog):
38 It was removing my preformated epilog, so this should override
39 that behavior! Muhahaha!
42 return "\n" + epilog + "\n"
47 def constructOptionParser():
49 returns a pre-setup optparser
51 global DISABLE_CMDLINE
56 parser = OptionParser(formatter=PreformattedDescriptionFormatter())
58 parser.set_description('Retrieves eland config file from ga_frontend web frontend.')
63 * %s (User specific; overrides system)
64 * command line overrides all config file options
69 base_host_url=http://somewhere.domain:port
70 """ % (CONFIG_SYSTEM, CONFIG_USER)
72 #Special formatter for allowing preformatted description.
73 ##parser.format_epilog(PreformattedDescriptionFormatter())
75 parser.add_option("-u", "--url",
76 action="store", type="string", dest="url")
78 parser.add_option("-o", "--output",
79 action="store", type="string", dest="output_filepath")
81 parser.add_option("-f", "--flowcell",
82 action="store", type="string", dest="flowcell")
84 #parser.set_default("url", "default")
88 def constructConfigParser():
90 returns a pre-setup config parser
92 parser = SafeConfigParser()
93 parser.read([CONFIG_SYSTEM, CONFIG_USER])
94 if not parser.has_section('config_file_server'):
95 parser.add_section('config_file_server')
100 def getCombinedOptions():
102 Returns optparse options after it has be updated with ConfigParser
103 config files and merged with parsed commandline options.
105 cl_parser = constructOptionParser()
106 conf_parser = constructConfigParser()
108 if cl_parser is None:
109 options = DummyOptions()
111 options, args = cl_parser.parse_args()
113 if options.url is None:
114 if conf_parser.has_option('config_file_server', 'base_host_url'):
115 options.url = conf_parser.get('config_file_server', 'base_host_url')
117 print 'USING OPTIONS:'
118 print ' URL:', options.url
119 print ' OUT:', options.output_filepath
120 print ' FC:', options.flowcell
126 def saveConfigFile(flowcell, base_host_url, output_filepath):
128 retrieves the flowcell eland config file, give the base_host_url
129 (i.e. http://sub.domain.edu:port)
131 url = base_host_url + '/eland_config/%s/' % (flowcell)
133 f = open(output_filepath, 'w')
135 web = urllib.urlopen(url)
136 #except IOError, msg:
137 # if str(msg).find("Connection refused") >= 0:
138 # print 'Error: Connection refused for: %s' % (url)
141 # elif str(msg).find("Name or service not known") >= 0:
142 # print 'Error: Invalid domain or ip address for: %s' % (url)
150 if data.find('Hmm, config file for') >= 0:
151 msg = "Flowcell (%s) not found in DB; full url(%s)" % (flowcell, url)
152 raise FlowCellNotFound, msg
154 if data.find('404 - Not Found') >= 0:
155 msg = "404 - Not Found: Flowcell (%s); base_host_url (%s);\n full url(%s)\n " \
156 "Did you get right port #?" % (flowcell, base_host_url, url)
157 raise FlowCellNotFound, msg
162 print 'Wrote config file to %s' % (output_filepath)