annotate sat/bridge/bridge_constructor/base_constructor.py @ 3120:0c29155ac68b

core: backend autoconnection: A new Connection/autoconnect_backend param can be set for a profile or component to be started automatically with backend. This is specially useful for components, but can be useful for client profile too (e.g. on Android we need to start profile with backend to get notifications, this part will come with following commits). The new Sqlite.getIndParamValues method allows to retrieve the same parameters for all profiles.
author Goffi <goffi@goffi.org>
date Sat, 25 Jan 2020 21:08:32 +0100
parents a1bc34f90fa5
children 9d0df638c8b4
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1 #!/usr/bin/env python3
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2 # -*- coding: utf-8 -*-
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3
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4 # SàT: a XMPP client
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5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 """base constructor class"""
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21
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22 from sat.bridge.bridge_constructor.constants import Const as C
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23 from configparser import NoOptionError
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24 import sys
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25 import os
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26 import os.path
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27 import re
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28 from importlib import import_module
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29
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30
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31 class ParseError(Exception):
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32 # Used when the signature parsing is going wrong (invalid signature ?)
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33 pass
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34
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35
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36 class Constructor(object):
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37 NAME = None # used in arguments parsing, filename will be used if not set
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38 # following attribute are used by default generation method
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39 # they can be set to dict of strings using python formatting syntax
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40 # dict keys will be used to select part to replace (e.g. "signals" key will
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41 # replace ##SIGNALS_PART## in template), while the value is the format
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42 # keys starting with "signal" will be used for signals, while ones starting with
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43 # "method" will be used for methods
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44 #  check D-Bus constructor for an example
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45 CORE_FORMATS = None
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46 CORE_TEMPLATE = None
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47 CORE_DEST = None
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48 FRONTEND_FORMATS = None
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49 FRONTEND_TEMPLATE = None
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50 FRONTEND_DEST = None
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51
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52 # set to False if your bridge need only core
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53 FRONTEND_ACTIVATE = True
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54
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55 def __init__(self, bridge_template, options):
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56 self.bridge_template = bridge_template
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57 self.args = options
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58
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59 @property
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60 def constructor_dir(self):
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61 constructor_mod = import_module(self.__module__)
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62 return os.path.dirname(constructor_mod.__file__)
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63
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64 def getValues(self, name):
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65 """Return values of a function in a dict
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66 @param name: Name of the function to get
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67 @return: dict, each key has the config value or None if the value is not set"""
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68 function = {}
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69 for option in ["type", "category", "sig_in", "sig_out", "doc"]:
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70 try:
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71 value = self.bridge_template.get(name, option)
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72 except NoOptionError:
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73 value = None
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74 function[option] = value
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75 return function
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76
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77 def getDefault(self, name):
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78 """Return default values of a function in a dict
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79 @param name: Name of the function to get
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80 @return: dict, each key is the integer param number (no key if no default value)"""
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81 default_dict = {}
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82 def_re = re.compile(r"param_(\d+)_default")
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83
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84 for option in self.bridge_template.options(name):
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85 match = def_re.match(option)
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86 if match:
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87 try:
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88 idx = int(match.group(1))
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89 except ValueError:
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90 raise ParseError(
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91 "Invalid value [%s] for parameter number" % match.group(1)
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92 )
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93 default_dict[idx] = self.bridge_template.get(name, option)
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94
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95 return default_dict
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96
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97 def getFlags(self, name):
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98 """Return list of flags set for this function
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99
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100 @param name: Name of the function to get
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101 @return: List of flags (string)
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102 """
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103 flags = []
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104 for option in self.bridge_template.options(name):
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105 if option in C.DECLARATION_FLAGS:
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106 flags.append(option)
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107 return flags
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108
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109 def getArgumentsDoc(self, name):
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110 """Return documentation of arguments
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111 @param name: Name of the function to get
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112 @return: dict, each key is the integer param number (no key if no argument doc), value is a tuple (name, doc)"""
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113 doc_dict = {}
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114 option_re = re.compile(r"doc_param_(\d+)")
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115 value_re = re.compile(r"^(\w+): (.*)$", re.MULTILINE | re.DOTALL)
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116 for option in self.bridge_template.options(name):
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117 if option == "doc_return":
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118 doc_dict["return"] = self.bridge_template.get(name, option)
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119 continue
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120 match = option_re.match(option)
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121 if match:
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122 try:
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123 idx = int(match.group(1))
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124 except ValueError:
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125 raise ParseError(
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126 "Invalid value [%s] for parameter number" % match.group(1)
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127 )
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128 value_match = value_re.match(self.bridge_template.get(name, option))
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129 if not value_match:
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130 raise ParseError("Invalid value for parameter doc [%i]" % idx)
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131 doc_dict[idx] = (value_match.group(1), value_match.group(2))
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132 return doc_dict
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133
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134 def getDoc(self, name):
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135 """Return documentation of the method
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136 @param name: Name of the function to get
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137 @return: string documentation, or None"""
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138 if self.bridge_template.has_option(name, "doc"):
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139 return self.bridge_template.get(name, "doc")
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140 return None
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141
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142 def argumentsParser(self, signature):
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143 """Generator which return individual arguments signatures from a global signature"""
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144 start = 0
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145 i = 0
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146
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147 while i < len(signature):
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parents: 2624
diff changeset
148 if signature[i] not in ["b", "y", "n", "i", "x", "q", "u", "t", "d", "s",
779351da2c13 core, frontends: replaced org\.goffi namespaces by org.salutatoi + fixed generation:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
149 "a"]:
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
150 raise ParseError("Unmanaged attribute type [%c]" % signature[i])
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
151
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
152 if signature[i] == "a":
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
153 i += 1
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
154 if (
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
155 signature[i] != "{" and signature[i] != "("
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
156 ): # FIXME: must manage tuples out of arrays
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
157 i += 1
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 yield signature[start:i]
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
159 start = i
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
160 continue # we have a simple type for the array
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
161 opening_car = signature[i]
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
162 assert opening_car in ["{", "("]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
163 closing_car = "}" if opening_car == "{" else ")"
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
164 opening_count = 1
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56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
165 while True: # we have a dict or a list of tuples
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
166 i += 1
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
167 if i >= len(signature):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
168 raise ParseError("missing }")
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
169 if signature[i] == opening_car:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
170 opening_count += 1
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
171 if signature[i] == closing_car:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
172 opening_count -= 1
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
173 if opening_count == 0:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
174 break
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
175 i += 1
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
176 yield signature[start:i]
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
177 start = i
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
178
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
179 def getArguments(self, signature, name=None, default=None, unicode_protect=False):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 """Return arguments to user given a signature
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
181
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 @param signature: signature in the short form (using s,a,i,b etc)
2087
159250d66407 bridge (constructor): embedded bridge generator:
Goffi <goffi@goffi.org>
parents: 2085
diff changeset
183 @param name: dictionary of arguments name like given by getArgumentsDoc
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 @param default: dictionary of default values, like given by getDefault
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 @param unicode_protect: activate unicode protection on strings (return strings as unicode(str))
2091
f413bfc24458 bridge, quick_frontend: preparation for async bridge
Goffi <goffi@goffi.org>
parents: 2087
diff changeset
186 @return (str): arguments that correspond to a signature (e.g.: "sss" return "arg1, arg2, arg3")
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
187 """
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
188 idx = 0
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
189 attr_string = []
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
190
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
191 for arg in self.argumentsParser(signature):
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
192 attr_string.append(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
193 (
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
194 "str(%(name)s)%(default)s"
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
195 if (unicode_protect and arg == "s")
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
196 else "%(name)s%(default)s"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
197 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
198 % {
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
199 "name": name[idx][0] if (name and idx in name) else "arg_%i" % idx,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
200 "default": "=" + default[idx] if (default and idx in default) else "",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
201 }
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
202 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
203 # give arg_1, arg2, etc or name1, name2=default, etc.
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
204 # give unicode(arg_1), unicode(arg_2), etc. if unicode_protect is set and arg is a string
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
205 idx += 1
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
206
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 return ", ".join(attr_string)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
208
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 def getTemplatePath(self, template_file):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 """return template path corresponding to file name
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
211
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
212 @param template_file(str): name of template file
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
213 """
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 return os.path.join(self.constructor_dir, template_file)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
215
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
216 def core_completion_method(self, completion, function, default, arg_doc, async_):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
217 """override this method to extend completion"""
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 pass
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
219
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
220 def core_completion_signal(self, completion, function, default, arg_doc, async_):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 """override this method to extend completion"""
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 pass
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
223
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 def frontend_completion_method(self, completion, function, default, arg_doc, async_):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 """override this method to extend completion"""
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 pass
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
227
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 def frontend_completion_signal(self, completion, function, default, arg_doc, async_):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 """override this method to extend completion"""
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
230 pass
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
231
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 def generate(self, side):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
233 """generate bridge
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
234
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 call generateCoreSide or generateFrontendSide if they exists
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 else call generic self._generate method
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 """
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 try:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 if side == "core":
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 method = self.generateCoreSide
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 elif side == "frontend":
2087
159250d66407 bridge (constructor): embedded bridge generator:
Goffi <goffi@goffi.org>
parents: 2085
diff changeset
242 if not self.FRONTEND_ACTIVATE:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
243 print("This constructor only handle core, please use core side")
2087
159250d66407 bridge (constructor): embedded bridge generator:
Goffi <goffi@goffi.org>
parents: 2085
diff changeset
244 sys.exit(1)
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
245 method = self.generateFrontendSide
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
246 except AttributeError:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
247 self._generate(side)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
248 else:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
249 method()
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
250
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
251 def _generate(self, side):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
252 """generate the backend
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
253
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
254 this is a generic method which will use formats found in self.CORE_SIGNAL_FORMAT
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
255 and self.CORE_METHOD_FORMAT (standard format method will be used)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
256 @param side(str): core or frontend
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
257 """
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
258 side_vars = []
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
259 for var in ("FORMATS", "TEMPLATE", "DEST"):
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
260 attr = "{}_{}".format(side.upper(), var)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
261 value = getattr(self, attr)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
262 if value is None:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
263 raise NotImplementedError
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
264 side_vars.append(value)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
265
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
266 FORMATS, TEMPLATE, DEST = side_vars
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
267 del side_vars
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
268
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
269 parts = {part.upper(): [] for part in FORMATS}
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
270 sections = self.bridge_template.sections()
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
271 sections.sort()
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
272 for section in sections:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
273 function = self.getValues(section)
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
274 print(("Adding %s %s" % (section, function["type"])))
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
275 default = self.getDefault(section)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
276 arg_doc = self.getArgumentsDoc(section)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
277 async_ = "async" in self.getFlags(section)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
278 completion = {
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
279 "sig_in": function["sig_in"] or "",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
280 "sig_out": function["sig_out"] or "",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
281 "category": "plugin" if function["category"] == "plugin" else "core",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
282 "name": section,
2087
159250d66407 bridge (constructor): embedded bridge generator:
Goffi <goffi@goffi.org>
parents: 2085
diff changeset
283 # arguments with default values
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
284 "args": self.getArguments(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
285 function["sig_in"], name=arg_doc, default=default
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
286 ),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
287 }
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
288
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
289 extend_method = getattr(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
290 self, "{}_completion_{}".format(side, function["type"])
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
291 )
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
292 extend_method(completion, function, default, arg_doc, async_)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
293
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
294 for part, fmt in FORMATS.items():
3039
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
295 if (part.startswith(function["type"])
a1bc34f90fa5 bridge (pb): implemented an asyncio compatible bridge:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
296 or part.startswith(f"async_{function['type']}")):
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
297 parts[part.upper()].append(fmt.format(**completion))
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
298
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parents: 2562
diff changeset
299 # at this point, signals_part, methods_part and direct_calls should be filled,
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parents: 2562
diff changeset
300 # we just have to place them in the right part of the template
2085
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
301 bridge = []
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302 const_override = {
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303 env[len(C.ENV_OVERRIDE) :]: v
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parents: 2771
diff changeset
304 for env, v in os.environ.items()
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parents: 2562
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305 if env.startswith(C.ENV_OVERRIDE)
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Goffi <goffi@goffi.org>
parents: 2562
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306 }
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
307 template_path = self.getTemplatePath(TEMPLATE)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
308 try:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
309 with open(template_path) as template:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
310 for line in template:
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
311
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
312 for part, extend_list in parts.items():
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parents: 2562
diff changeset
313 if line.startswith("##{}_PART##".format(part)):
2085
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
314 bridge.extend(extend_list)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
315 break
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
316 else:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
317 # the line is not a magic part replacement
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parents: 2562
diff changeset
318 if line.startswith("const_"):
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parents: 2562
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319 const_name = line[len("const_") : line.find(" = ")].strip()
2085
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
320 if const_name in const_override:
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ab2696e34d29 Python 3 port:
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parents: 2771
diff changeset
321 print(("const {} overriden".format(const_name)))
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parents: 2562
diff changeset
322 bridge.append(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
323 "const_{} = {}".format(
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
324 const_name, const_override[const_name]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
325 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
326 )
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
327 continue
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parents: 2562
diff changeset
328 bridge.append(line.replace("\n", ""))
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
329 except IOError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
330 print(("can't open template file [{}]".format(template_path)))
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
331 sys.exit(1)
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
332
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diff changeset
333 # now we write to final file
2085
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
334 self.finalWrite(DEST, bridge)
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
335
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
336 def finalWrite(self, filename, file_buf):
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
337 """Write the final generated file in [dest dir]/filename
da4097de5a95 bridge (constructor): refactoring:
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parents:
diff changeset
338
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
339 @param filename: name of the file to generate
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
340 @param file_buf: list of lines (stings) of the file
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
341 """
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
342 if os.path.exists(self.args.dest_dir) and not os.path.isdir(self.args.dest_dir):
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
343 print(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
344 "The destination dir [%s] can't be created: a file with this name already exists !"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
345 )
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
346 sys.exit(1)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
347 try:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
348 if not os.path.exists(self.args.dest_dir):
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
349 os.mkdir(self.args.dest_dir)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
350 full_path = os.path.join(self.args.dest_dir, filename)
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
351 if os.path.exists(full_path) and not self.args.force:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
352 print((
2624
56f94936df1e code style reformatting using black
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parents: 2562
diff changeset
353 "The destination file [%s] already exists ! Use --force to overwrite it"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
354 % full_path
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
355 ))
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
356 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
357 with open(full_path, "w") as dest_file:
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
358 dest_file.write("\n".join(file_buf))
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
359 except IOError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
360 print(("Can't open destination file [%s]" % full_path))
2085
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
361 except OSError:
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
362 print("It's not possible to generate the file, check your permissions")
da4097de5a95 bridge (constructor): refactoring:
Goffi <goffi@goffi.org>
parents:
diff changeset
363 exit(1)