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
26 class PreformattedDescriptionFormatter(IndentedHelpFormatter):
28 #def format_description(self, description):
31 # return description + "\n"
35 def format_epilog(self, epilog):
37 It was removing my preformated epilog, so this should override
38 that behavior! Muhahaha!
41 return "\n" + epilog + "\n"
46 def constructOptionParser():
48 returns a pre-setup optparser
50 global DISABLE_CMDLINE
55 parser = OptionParser(formatter=PreformattedDescriptionFormatter())
57 parser.set_description('Retrieves eland config file from ga_frontend web frontend.')
62 * %s (User specific; overrides system)
63 * command line overrides all config file options
68 base_host_url=http://somewhere.domain:port
69 """ % (CONFIG_SYSTEM, CONFIG_USER)
71 #Special formatter for allowing preformatted description.
72 ##parser.format_epilog(PreformattedDescriptionFormatter())
74 parser.add_option("-u", "--url",
75 action="store", type="string", dest="url")
77 parser.add_option("-o", "--output",
78 action="store", type="string", dest="output_filepath")
80 parser.add_option("-f", "--flowcell",
81 action="store", type="string", dest="flowcell")
83 #parser.set_default("url", "default")
87 def constructConfigParser():
89 returns a pre-setup config parser
91 parser = SafeConfigParser()
92 parser.read([CONFIG_SYSTEM, CONFIG_USER])
93 if not parser.has_section('config_file_server'):
94 parser.add_section('config_file_server')
99 def getCombinedOptions():
101 Returns optparse options after it has be updated with ConfigParser
102 config files and merged with parsed commandline options.
104 cl_parser = constructOptionParser()
105 conf_parser = constructConfigParser()
107 if cl_parser is None:
108 options = DummyOptions()
110 options, args = cl_parser.parse_args()
112 if options.url is None:
113 if conf_parser.has_option('config_file_server', 'base_host_url'):
114 options.url = conf_parser.get('config_file_server', 'base_host_url')
116 print 'USING OPTIONS:'
117 print ' URL:', options.url
118 print ' OUT:', options.output_filepath
119 print ' FC:', options.flowcell
125 def saveConfigFile(flowcell, base_host_url, output_filepath):
127 retrieves the flowcell eland config file, give the base_host_url
128 (i.e. http://sub.domain.edu:port)
130 url = base_host_url + '/eland_config/%s/' % (flowcell)
132 f = open(output_filepath, 'w')
134 web = urllib.urlopen(url)
135 #except IOError, msg:
136 # if str(msg).find("Connection refused") >= 0:
137 # print 'Error: Connection refused for: %s' % (url)
140 # elif str(msg).find("Name or service not known") >= 0:
141 # print 'Error: Invalid domain or ip address for: %s' % (url)
149 if data.find('Hmm, config file for') >= 0:
150 msg = "Flowcell (%s) not found in DB; full url(%s)" % (flowcell, url)
151 raise FlowCellNotFound, msg
153 if data.find('404 - Not Found') >= 0:
154 msg = "404 - Not Found: Flowcell (%s); base_host_url (%s);\n full url(%s)\n " \
155 "Did you get right port #?" % (flowcell, base_host_url, url)
156 raise FlowCellNotFound, msg
161 print 'Wrote config file to %s' % (output_filepath)