1 | # -*- coding: utf-8 -*-
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2 |
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3 | import os
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4 | from tools import validate_email_address
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5 | from storage import JsonStorage as Storage
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6 | import config
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7 |
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8 | class Member():
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9 |
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10 | """
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11 | Class that defines a mailing list member
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12 | """
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13 |
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14 | def __init__(self, address):
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15 | self.address = self._validate_address(address)
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16 |
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17 | def __repr__(self):
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18 | return "<Member '%s'>" % self.address
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19 |
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20 | def __str__(self):
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21 | return self.address
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22 |
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23 | def _validate_address(self, address):
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24 | if not validate_email_address(address):
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25 | raise ValueError(address, ' is not a valid email address')
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26 | return address
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27 |
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28 |
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29 | class MailingList():
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30 |
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31 | """
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32 | Class that defines a mailing list
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33 | """
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34 |
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35 | def __init__(self, name, address, members={}, configfile=None):
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36 | self.configfile = configfile
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37 | self.storage_config = config.get_config_parameters('storage',
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38 | configfile)
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39 | self.archive_config = config.get_config_parameters('archive',
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40 | configfile)
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41 | self.mailing_config = config.get_config_parameters('mailing_lists',
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42 | configfile)
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43 | self.name = name
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44 | self.address = address
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45 | self.members = members
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46 |
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47 | def __repr__(self):
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48 | return "<MailingList '%s'>" % self.address
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49 |
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50 | def __str__(self):
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51 | return self.address
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52 |
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53 | def _validate_member_object(self, member=None):
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54 | if not isinstance(member, Member):
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55 | raise TypeError(member, ' is not a valid Member instance')
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56 | return member
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57 |
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58 | def _validate_member(self, member=None):
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59 | member = self._validate_member_object(member)
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60 | return member.address in self.members_addresses()
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61 |
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62 | def _validate_member_by_address(self, address=None):
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63 | if not validate_email_address(address):
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64 | raise ValueError(address, ' is not a valid email address')
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65 | return address in self.members_addresses()
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66 |
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67 | @property
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68 | def storage(self):
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69 | return Storage(os.path.join(self.storage_config['path'], self.address))
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70 |
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71 | @property
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72 | def archive(self):
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73 | return Storage(os.path.join(self.archive_config['path'], self.address))
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74 |
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75 | def members_addresses(self):
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76 | return self.members.keys()
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77 |
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78 | def add_member(self, member):
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79 | member = self._validate_member_object(member)
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80 | if self._validate_member(member):
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81 | return False
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82 | self.members[member.address] = member
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83 | return True
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84 |
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85 | def add_member_by_address(self, address=None):
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86 | if self._validate_member_by_address(address):
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87 | return False
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88 | member = Member(address)
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89 | self.members[address] = member
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90 | return True
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91 |
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92 | def delete_member(self, member=None):
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93 | member = self._validate_member_object(member)
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94 | if not self._validate_member(member):
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95 | return False
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96 | del self.members[member.address]
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97 | return True
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98 |
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99 | def info(self):
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100 | """
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101 | Returns a dict we can use to add this mailing list to a postman
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102 | instance
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103 | """
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104 | # FIXME: This code could be replaced with something that
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105 | # automagically generates the dict from the instance attributes
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106 | return {'name': self.name, 'address': self.address,
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107 | 'members': self.members, 'configfile': self.configfile}
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108 |
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109 | def load(self):
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110 | if self.storage.exists():
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111 | data = self.storage.read()
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112 | self.name = data.name
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113 | self.address = data.address
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114 | self.members = data.members
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115 | return True
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116 | return False
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117 |
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118 | def save(self):
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119 | self.storage.write(self)
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