Tony Mack | 6393571 | 2013-03-26 13:23:12 -0400 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | import sys |
| 3 | import os |
| 4 | import time |
| 5 | import ConfigParser |
| 6 | import tempfile |
| 7 | import codecs |
| 8 | from StringIO import StringIO |
Siobhan Tully | 30fd429 | 2013-05-10 08:59:56 -0400 | [diff] [blame^] | 9 | from util.xml import Xml |
Tony Mack | 6393571 | 2013-03-26 13:23:12 -0400 | [diff] [blame] | 10 | |
| 11 | default_config = \ |
| 12 | """ |
| 13 | """ |
| 14 | |
| 15 | def isbool(v): |
| 16 | return v.lower() in ("true", "false") |
| 17 | |
| 18 | def str2bool(v): |
| 19 | return v.lower() in ("true", "1") |
| 20 | |
| 21 | class Config: |
| 22 | |
Siobhan Tully | 30fd429 | 2013-05-10 08:59:56 -0400 | [diff] [blame^] | 23 | def __init__(self, config_file='/opt/planetstack/plstackapi_config'): |
Tony Mack | 6393571 | 2013-03-26 13:23:12 -0400 | [diff] [blame] | 24 | self._files = [] |
| 25 | self.config_path = os.path.dirname(config_file) |
| 26 | self.config = ConfigParser.ConfigParser() |
| 27 | self.filename = config_file |
| 28 | if not os.path.isfile(self.filename): |
| 29 | self.create(self.filename) |
| 30 | self.load(self.filename) |
| 31 | |
| 32 | |
| 33 | def _header(self): |
| 34 | header = """ |
| 35 | DO NOT EDIT. This file was automatically generated at |
| 36 | %s from: |
| 37 | |
| 38 | %s |
| 39 | """ % (time.asctime(), os.linesep.join(self._files)) |
| 40 | |
| 41 | # Get rid of the surrounding newlines |
| 42 | return header.strip().split(os.linesep) |
| 43 | |
| 44 | def create(self, filename): |
| 45 | if not os.path.exists(os.path.dirname(filename)): |
| 46 | os.makedirs(os.path.dirname(filename)) |
| 47 | configfile = open(filename, 'w') |
| 48 | configfile.write(default_config) |
| 49 | configfile.close() |
| 50 | |
| 51 | |
| 52 | def load(self, filename): |
| 53 | if filename: |
| 54 | try: |
| 55 | self.config.read(filename) |
| 56 | except ConfigParser.MissingSectionHeaderError: |
| 57 | if filename.endswith('.xml'): |
| 58 | self.load_xml(filename) |
| 59 | else: |
| 60 | self.load_shell(filename) |
| 61 | self._files.append(filename) |
| 62 | self.set_attributes() |
| 63 | |
| 64 | def load_xml(self, filename): |
| 65 | xml = XML(filename) |
| 66 | categories = xml.xpath('//configuration/variables/category') |
| 67 | for category in categories: |
| 68 | section_name = category.get('id') |
| 69 | if not self.config.has_section(section_name): |
| 70 | self.config.add_section(section_name) |
| 71 | options = category.xpath('./variablelist/variable') |
| 72 | for option in options: |
| 73 | option_name = option.get('id') |
| 74 | value = option.xpath('./value')[0].text |
| 75 | if not value: |
| 76 | value = "" |
| 77 | self.config.set(section_name, option_name, value) |
| 78 | |
| 79 | def load_shell(self, filename): |
| 80 | f = open(filename, 'r') |
| 81 | for line in f: |
| 82 | try: |
| 83 | if line.startswith('#'): |
| 84 | continue |
| 85 | parts = line.strip().split("=") |
| 86 | if len(parts) < 2: |
| 87 | continue |
| 88 | option = parts[0] |
| 89 | value = parts[1].replace('"', '').replace("'","") |
| 90 | section, var = self.locate_varname(option, strict=False) |
| 91 | if section and var: |
| 92 | self.set(section, var, value) |
| 93 | except: |
| 94 | pass |
| 95 | f.close() |
| 96 | |
| 97 | def locate_varname(self, varname, strict=True): |
| 98 | varname = varname.lower() |
| 99 | sections = self.config.sections() |
| 100 | section_name = "" |
| 101 | var_name = "" |
| 102 | for section in sections: |
| 103 | if varname.startswith(section.lower()) and len(section) > len(section_name): |
| 104 | section_name = section.lower() |
| 105 | var_name = varname.replace(section_name, "")[1:] |
| 106 | if strict and not self.config.has_option(section_name, var_name): |
| 107 | raise ConfigParser.NoOptionError(var_name, section_name) |
| 108 | return (section_name, var_name) |
| 109 | |
| 110 | def set_attributes(self): |
| 111 | sections = self.config.sections() |
| 112 | for section in sections: |
| 113 | for item in self.config.items(section): |
| 114 | name = "%s_%s" % (section, item[0]) |
| 115 | value = item[1] |
| 116 | if isbool(value): |
| 117 | value = str2bool(value) |
| 118 | elif value.isdigit(): |
| 119 | value = int(value) |
| 120 | setattr(self, name, value) |
| 121 | setattr(self, name.upper(), value) |
| 122 | |
| 123 | |
| 124 | def verify(self, config1, config2, validate_method): |
| 125 | return True |
| 126 | |
| 127 | def validate_type(self, var_type, value): |
| 128 | return True |
| 129 | |
| 130 | @staticmethod |
| 131 | def is_xml(config_file): |
| 132 | try: |
| 133 | x = Xml(config_file) |
| 134 | return True |
| 135 | except: |
| 136 | return False |
| 137 | |
| 138 | @staticmethod |
| 139 | def is_ini(config_file): |
| 140 | try: |
| 141 | c = ConfigParser.ConfigParser() |
| 142 | c.read(config_file) |
| 143 | return True |
| 144 | except ConfigParser.MissingSectionHeaderError: |
| 145 | return False |
| 146 | |
| 147 | |
| 148 | def dump(self, sections = []): |
| 149 | sys.stdout.write(output_python()) |
| 150 | |
| 151 | def output_python(self, encoding = "utf-8"): |
| 152 | buf = codecs.lookup(encoding)[3](StringIO()) |
| 153 | buf.writelines(["# " + line + os.linesep for line in self._header()]) |
| 154 | |
| 155 | for section in self.sections(): |
| 156 | buf.write("[%s]%s" % (section, os.linesep)) |
| 157 | for (name,value) in self.items(section): |
| 158 | buf.write("%s=%s%s" % (name,value,os.linesep)) |
| 159 | buf.write(os.linesep) |
| 160 | return buf.getvalue() |
| 161 | |
| 162 | def output_shell(self, show_comments = True, encoding = "utf-8"): |
| 163 | """ |
| 164 | Return variables as a shell script. |
| 165 | """ |
| 166 | |
| 167 | buf = codecs.lookup(encoding)[3](StringIO()) |
| 168 | buf.writelines(["# " + line + os.linesep for line in self._header()]) |
| 169 | |
| 170 | for section in self.sections(): |
| 171 | for (name,value) in self.items(section): |
| 172 | # bash does not have the concept of NULL |
| 173 | if value: |
| 174 | option = "%s_%s" % (section.upper(), name.upper()) |
| 175 | if isbool(value): |
| 176 | value = str(str2bool(value)) |
| 177 | elif not value.isdigit(): |
| 178 | value = '"%s"' % value |
| 179 | buf.write(option + "=" + value + os.linesep) |
| 180 | return buf.getvalue() |
| 181 | |
| 182 | def output_php(self, encoding = "utf-8"): |
| 183 | """ |
| 184 | Return variables as a PHP script. |
| 185 | """ |
| 186 | |
| 187 | buf = codecs.lookup(encoding)[3](StringIO()) |
| 188 | buf.write("<?php" + os.linesep) |
| 189 | buf.writelines(["// " + line + os.linesep for line in self._header()]) |
| 190 | |
| 191 | for section in self.sections(): |
| 192 | for (name,value) in self.items(section): |
| 193 | option = "%s_%s" % (section, name) |
| 194 | buf.write(os.linesep) |
| 195 | buf.write("// " + option + os.linesep) |
| 196 | if value is None: |
| 197 | value = 'NULL' |
| 198 | buf.write("define('%s', %s);" % (option, value) + os.linesep) |
| 199 | |
| 200 | buf.write("?>" + os.linesep) |
| 201 | |
| 202 | return buf.getvalue() |
| 203 | |
| 204 | def output_xml(self, encoding = "utf-8"): |
| 205 | pass |
| 206 | |
| 207 | def output_variables(self, encoding="utf-8"): |
| 208 | """ |
| 209 | Return list of all variable names. |
| 210 | """ |
| 211 | |
| 212 | buf = codecs.lookup(encoding)[3](StringIO()) |
| 213 | for section in self.sections(): |
| 214 | for (name,value) in self.items(section): |
| 215 | option = "%s_%s" % (section,name) |
| 216 | buf.write(option + os.linesep) |
| 217 | |
| 218 | return buf.getvalue() |
| 219 | pass |
| 220 | |
| 221 | def write(self, filename=None): |
| 222 | if not filename: |
| 223 | filename = self.filename |
| 224 | configfile = open(filename, 'w') |
| 225 | self.config.write(configfile) |
| 226 | |
| 227 | def save(self, filename=None): |
| 228 | self.write(filename) |
| 229 | |
| 230 | def __getattr__(self, attr): |
| 231 | return getattr(self.config, attr) |
| 232 | |
| 233 | if __name__ == '__main__': |
| 234 | filename = None |
| 235 | if len(sys.argv) > 1: |
| 236 | filename = sys.argv[1] |
| 237 | config = Config(filename) |
| 238 | else: |
| 239 | config = Config() |
| 240 | config.dump() |