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import os |
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from collections import OrderedDict |
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from types import MappingProxyType |
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from coalib.misc import Constants |
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from coalib.parsing.LineParser import LineParser |
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from coalib.settings.Section import Section |
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from coalib.settings.Setting import Setting |
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class ConfParser: |
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def __init__(self, |
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key_value_delimiters=('=',), |
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comment_seperators=('#',), |
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key_delimiters=(',', ' '), |
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section_name_surroundings=MappingProxyType({"[": "]"}), |
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remove_empty_iter_elements=True): |
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self.line_parser = LineParser(key_value_delimiters, |
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comment_seperators, |
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key_delimiters, |
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section_name_surroundings) |
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self.__remove_empty_iter_elements = remove_empty_iter_elements |
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# Declare it |
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self.sections = None |
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self.__rand_helper = None |
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self.__init_sections() |
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def parse(self, input_data, overwrite=False): |
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""" |
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Parses the input and adds the new data to the existing. |
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:param input_data: The filename to parse from. |
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:param overwrite: If True, wipes all existing Settings inside this |
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instance and adds only the newly parsed ones. If |
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False, adds the newly parsed data to the existing |
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one (and overwrites already existing keys with the |
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newly parsed values). |
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:return: A dictionary with (lowercase) section names as keys |
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and their Setting objects as values. |
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""" |
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if os.path.isdir(input_data): |
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input_data = os.path.join(input_data, Constants.default_coafile) |
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with open(input_data, "r", encoding='utf-8') as _file: |
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lines = _file.readlines() |
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if overwrite: |
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self.__init_sections() |
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self.__parse_lines(lines, input_data) |
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return self.sections |
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def get_section(self, name, create_if_not_exists=False): |
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key = self.__refine_key(name) |
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sec = self.sections.get(key, None) |
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if sec is not None: |
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return sec |
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if not create_if_not_exists: |
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raise IndexError |
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retval = self.sections[key] = Section(str(name), |
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self.sections["default"]) |
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return retval |
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@staticmethod |
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def __refine_key(key): |
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return str(key).lower().strip() |
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def __add_comment(self, section, comment, origin): |
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key = "comment" + str(self.__rand_helper) |
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self.__rand_helper += 1 |
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section.append(Setting( |
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key, |
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comment, |
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origin, |
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remove_empty_iter_elements=self.__remove_empty_iter_elements)) |
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def __parse_lines(self, lines, origin): |
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current_section_name = "default" |
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current_section = self.get_section(current_section_name) |
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current_keys = [] |
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for line in lines: |
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section_name, keys, value, comment = self.line_parser.parse(line) |
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if comment != "": |
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self.__add_comment(current_section, comment, origin) |
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if section_name != "": |
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current_section_name = section_name |
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current_section = self.get_section(current_section_name, True) |
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current_keys = [] |
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continue |
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if comment == "" and keys == [] and value == "": |
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self.__add_comment(current_section, "", origin) |
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continue |
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if keys != []: |
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current_keys = keys |
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for section_override, key in current_keys: |
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if key == "": |
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continue |
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if section_override == "": |
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current_section.add_or_create_setting( |
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Setting(key, |
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value, |
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origin, |
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# Ignore PEP8Bear, it fails to format that |
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remove_empty_iter_elements= |
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self.__remove_empty_iter_elements), |
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allow_appending=(keys == [])) |
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else: |
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self.get_section( |
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section_override, |
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True).add_or_create_setting( |
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Setting(key, |
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value, |
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origin, |
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# Ignore PEP8Bear, it fails to format that |
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remove_empty_iter_elements= |
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self.__remove_empty_iter_elements), |
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allow_appending=(keys == [])) |
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def __init_sections(self): |
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self.sections = OrderedDict() |
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self.sections["default"] = Section("Default") |
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self.__rand_helper = 0 |
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coala-analyzer /
coala
