upgrade wakatime-cli to v6.0.8
This commit is contained in:
parent
21601f9688
commit
b4a13a48b9
1305 changed files with 489 additions and 4963 deletions
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@ -1,7 +1,7 @@
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__title__ = 'wakatime'
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__title__ = 'wakatime'
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__description__ = 'Common interface to the WakaTime api.'
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__description__ = 'Common interface to the WakaTime api.'
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__url__ = 'https://github.com/wakatime/wakatime'
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__url__ = 'https://github.com/wakatime/wakatime'
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__version_info__ = ('6', '0', '7')
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__version_info__ = ('6', '0', '8')
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__version__ = '.'.join(__version_info__)
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__version__ = '.'.join(__version_info__)
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__author__ = 'Alan Hamlett'
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__author__ = 'Alan Hamlett'
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__author_email__ = 'alan@wakatime.com'
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__author_email__ = 'alan@wakatime.com'
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@ -31,7 +31,7 @@ if is_py2: # pragma: nocover
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try:
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try:
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return unicode(text)
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return unicode(text)
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except:
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except:
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return text
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return text.decode('utf-8', 'replace')
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open = codecs.open
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open = codecs.open
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basestring = basestring
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basestring = basestring
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@ -52,7 +52,7 @@ elif is_py3: # pragma: nocover
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try:
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try:
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return str(text)
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return str(text)
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except:
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except:
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return text
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return text.decode('utf-8', 'replace')
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open = open
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open = open
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basestring = (str, bytes)
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basestring = (str, bytes)
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@ -9,10 +9,32 @@
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:license: BSD, see LICENSE for more details.
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:license: BSD, see LICENSE for more details.
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"""
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"""
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""" Success
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Exit code used when a heartbeat was sent successfully.
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"""
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SUCCESS = 0
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SUCCESS = 0
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""" Api Error
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Exit code used when the WakaTime API returned an error.
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"""
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API_ERROR = 102
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API_ERROR = 102
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""" Config File Parse Error
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Exit code used when the ~/.wakatime.cfg config file could not be parsed.
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"""
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CONFIG_FILE_PARSE_ERROR = 103
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CONFIG_FILE_PARSE_ERROR = 103
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""" Auth Error
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Exit code used when our api key is invalid.
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"""
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AUTH_ERROR = 104
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AUTH_ERROR = 104
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""" Unknown Error
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Exit code used when there was an unhandled exception.
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"""
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UNKNOWN_ERROR = 105
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UNKNOWN_ERROR = 105
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""" Malformed Heartbeat Error
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Exit code used when the JSON input from `--extra-heartbeats` is malformed.
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"""
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MALFORMED_HEARTBEAT_ERROR = 106
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MALFORMED_HEARTBEAT_ERROR = 106
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@ -12,7 +12,6 @@
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import logging
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import logging
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import re
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import re
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import sys
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import sys
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import traceback
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from ..compat import u, open, import_module
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from ..compat import u, open, import_module
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from ..exceptions import NotYetImplemented
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from ..exceptions import NotYetImplemented
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@ -68,7 +67,7 @@ class TokenParser(object):
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pass
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pass
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try:
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try:
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with open(self.source_file, 'r', encoding=sys.getfilesystemencoding()) as fh:
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with open(self.source_file, 'r', encoding=sys.getfilesystemencoding()) as fh:
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return self.lexer.get_tokens_unprocessed(fh.read(512000))
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return self.lexer.get_tokens_unprocessed(fh.read(512000)) # pragma: nocover
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except:
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except:
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pass
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pass
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return []
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return []
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@ -120,7 +119,7 @@ class DependencyParser(object):
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except AttributeError:
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except AttributeError:
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log.debug('Module {0} is missing class {1}'.format(module.__name__, class_name))
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log.debug('Module {0} is missing class {1}'.format(module.__name__, class_name))
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except ImportError:
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except ImportError:
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log.debug(traceback.format_exc())
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log.traceback(logging.DEBUG)
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def parse(self):
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def parse(self):
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if self.parser:
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if self.parser:
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@ -20,6 +20,7 @@ class PythonParser(TokenParser):
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r'^os$',
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r'^os$',
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r'^sys$',
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r'^sys$',
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r'^sys\.',
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r'^sys\.',
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r'^__future__$',
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]
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]
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def parse(self):
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def parse(self):
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@ -49,9 +50,7 @@ class PythonParser(TokenParser):
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self._process_import(token, content)
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self._process_import(token, content)
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def _process_operator(self, token, content):
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def _process_operator(self, token, content):
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if self.state is not None:
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pass
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if content == '.':
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self.nonpackage = True
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def _process_punctuation(self, token, content):
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def _process_punctuation(self, token, content):
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if content == '(':
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if content == '(':
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@ -74,8 +73,6 @@ class PythonParser(TokenParser):
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if self.state == 'from':
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if self.state == 'from':
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self.append(content, truncate=True, truncate_to=1)
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self.append(content, truncate=True, truncate_to=1)
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self.state = 'from-2'
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self.state = 'from-2'
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elif self.state == 'from-2' and content != 'import':
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self.append(content, truncate=True, truncate_to=1)
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elif self.state == 'import':
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elif self.state == 'import':
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self.append(content, truncate=True, truncate_to=1)
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self.append(content, truncate=True, truncate_to=1)
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self.state = 'import-2'
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self.state = 'import-2'
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@ -114,16 +114,11 @@ class HtmlDjangoParser(TokenParser):
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if self.opening_tag:
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if self.opening_tag:
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self.tags.insert(0, content.replace('<', '', 1).strip().lower())
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self.tags.insert(0, content.replace('<', '', 1).strip().lower())
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self.getting_attrs = True
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self.getting_attrs = True
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elif content.startswith('>'):
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self.opening_tag = False
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self.getting_attrs = False
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self.current_attr = None
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self.current_attr = None
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def _process_attribute(self, token, content):
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def _process_attribute(self, token, content):
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if self.getting_attrs:
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if self.getting_attrs:
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self.current_attr = content.lower().strip('=')
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self.current_attr = content.lower().strip('=')
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else:
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self.current_attr = None
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self.current_attr_value = None
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self.current_attr_value = None
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def _process_string(self, token, content):
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def _process_string(self, token, content):
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elif content.startswith('"') or content.startswith("'"):
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elif content.startswith('"') or content.startswith("'"):
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if self.current_attr_value is None:
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if self.current_attr_value is None:
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self.current_attr_value = content
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self.current_attr_value = content
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else:
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self.current_attr_value += content
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class VelocityHtmlParser(HtmlDjangoParser):
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class VelocityHtmlParser(HtmlDjangoParser):
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@ -13,7 +13,7 @@ import logging
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import os
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import os
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import traceback
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import traceback
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from .compat import basestring, u
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from .compat import u
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from .packages.requests.packages import urllib3
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from .packages.requests.packages import urllib3
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try:
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try:
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from collections import OrderedDict # pragma: nocover
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from collections import OrderedDict # pragma: nocover
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@ -25,20 +25,6 @@ except (ImportError, SyntaxError): # pragma: nocover
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import json
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import json
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class CustomEncoder(json.JSONEncoder):
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def default(self, obj):
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if isinstance(obj, basestring):
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obj = u(obj)
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return json.dumps(obj)
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try: # pragma: nocover
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encoded = super(CustomEncoder, self).default(obj)
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except UnicodeDecodeError: # pragma: nocover
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obj = u(obj)
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encoded = super(CustomEncoder, self).default(obj)
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return encoded
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class JsonFormatter(logging.Formatter):
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class JsonFormatter(logging.Formatter):
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def setup(self, timestamp, is_write, entity, version, plugin, verbose,
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def setup(self, timestamp, is_write, entity, version, plugin, verbose,
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data = OrderedDict([
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data = OrderedDict([
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('now', self.formatTime(record, self.datefmt)),
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('now', self.formatTime(record, self.datefmt)),
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])
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])
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data['version'] = self.version
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data['version'] = u(self.version)
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data['plugin'] = self.plugin
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if self.plugin:
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data['plugin'] = u(self.plugin)
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data['time'] = self.timestamp
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data['time'] = self.timestamp
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if self.verbose:
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if self.verbose:
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data['caller'] = record.pathname
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data['caller'] = u(record.pathname)
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data['lineno'] = record.lineno
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data['lineno'] = record.lineno
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if self.is_write:
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data['is_write'] = self.is_write
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data['is_write'] = self.is_write
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data['file'] = self.entity
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data['file'] = u(self.entity)
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if not self.is_write:
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del data['is_write']
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data['level'] = record.levelname
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data['level'] = record.levelname
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data['message'] = record.getMessage() if self.warnings else record.msg
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data['message'] = u(record.getMessage() if self.warnings else record.msg)
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if not self.plugin:
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return json.dumps(data)
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del data['plugin']
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return CustomEncoder().encode(data)
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def traceback(self, lvl=None):
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def traceback_formatter(*args, **kwargs):
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logger = logging.getLogger('WakaTime')
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level = kwargs.get('level', args[0] if len(args) else None)
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if not lvl:
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if level:
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lvl = logger.getEffectiveLevel()
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level = level.lower()
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logger.log(lvl, traceback.format_exc())
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if level == 'warn' or level == 'warning':
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logging.getLogger('WakaTime').warning(traceback.format_exc())
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elif level == 'info':
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logging.getLogger('WakaTime').info(traceback.format_exc())
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elif level == 'debug':
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logging.getLogger('WakaTime').debug(traceback.format_exc())
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else:
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logging.getLogger('WakaTime').error(traceback.format_exc())
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def set_log_level(logger, args):
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def set_log_level(logger, args):
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logger.addHandler(handler)
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logger.addHandler(handler)
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# add custom traceback logging method
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# add custom traceback logging method
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logger.traceback = traceback_formatter
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logger.traceback = formatter.traceback
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warnings_formatter = JsonFormatter(datefmt='%Y/%m/%d %H:%M:%S %z')
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warnings_formatter = JsonFormatter(datefmt='%Y/%m/%d %H:%M:%S %z')
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warnings_formatter.setup(
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warnings_formatter.setup(
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return retval
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return retval
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except:
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except:
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log.traceback()
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log.traceback(logging.ERROR)
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print(traceback.format_exc())
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print(traceback.format_exc())
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return UNKNOWN_ERROR
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return UNKNOWN_ERROR
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@ -80,7 +80,7 @@ class Queue(object):
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try:
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try:
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conn, c = self.connect()
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conn, c = self.connect()
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except sqlite3.Error:
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except sqlite3.Error:
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log.traceback('debug')
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log.traceback(logging.DEBUG)
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return None
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return None
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loop = True
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loop = True
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while loop and tries > -1:
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while loop and tries > -1:
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@ -118,11 +118,11 @@ class Queue(object):
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}
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}
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loop = False
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loop = False
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except sqlite3.Error: # pragma: nocover
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except sqlite3.Error: # pragma: nocover
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log.traceback('debug')
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log.traceback(logging.DEBUG)
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sleep(wait)
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sleep(wait)
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tries -= 1
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tries -= 1
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try:
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try:
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conn.close()
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conn.close()
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except sqlite3.Error: # pragma: nocover
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except sqlite3.Error: # pragma: nocover
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log.traceback('debug')
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log.traceback(logging.DEBUG)
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return heartbeat
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return heartbeat
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@ -1,13 +1,3 @@
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import os
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import sys
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from ..compat import is_py2
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if is_py2:
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sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)), 'py2'))
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else:
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sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)), 'py3'))
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import tzlocal
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import tzlocal
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from pygments.lexers import get_lexer_by_name, guess_lexer_for_filename
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from pygments.lexers import get_lexer_by_name, guess_lexer_for_filename
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from pygments.modeline import get_filetype_from_buffer
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from pygments.modeline import get_filetype_from_buffer
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'''
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Custom exceptions raised by pytz.
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'''
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__all__ = [
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'UnknownTimeZoneError', 'InvalidTimeError', 'AmbiguousTimeError',
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'NonExistentTimeError',
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]
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class UnknownTimeZoneError(KeyError):
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'''Exception raised when pytz is passed an unknown timezone.
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>>> isinstance(UnknownTimeZoneError(), LookupError)
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True
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This class is actually a subclass of KeyError to provide backwards
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compatibility with code relying on the undocumented behavior of earlier
|
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pytz releases.
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>>> isinstance(UnknownTimeZoneError(), KeyError)
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True
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'''
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pass
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class InvalidTimeError(Exception):
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'''Base class for invalid time exceptions.'''
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class AmbiguousTimeError(InvalidTimeError):
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'''Exception raised when attempting to create an ambiguous wallclock time.
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At the end of a DST transition period, a particular wallclock time will
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occur twice (once before the clocks are set back, once after). Both
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possibilities may be correct, unless further information is supplied.
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See DstTzInfo.normalize() for more info
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'''
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class NonExistentTimeError(InvalidTimeError):
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'''Exception raised when attempting to create a wallclock time that
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cannot exist.
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At the start of a DST transition period, the wallclock time jumps forward.
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The instants jumped over never occur.
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'''
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@ -1,168 +0,0 @@
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from threading import RLock
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try:
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from UserDict import DictMixin
|
|
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except ImportError:
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|
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from collections import Mapping as DictMixin
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|
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# With lazy loading, we might end up with multiple threads triggering
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|
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# it at the same time. We need a lock.
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_fill_lock = RLock()
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class LazyDict(DictMixin):
|
|
||||||
"""Dictionary populated on first use."""
|
|
||||||
data = None
|
|
||||||
def __getitem__(self, key):
|
|
||||||
if self.data is None:
|
|
||||||
_fill_lock.acquire()
|
|
||||||
try:
|
|
||||||
if self.data is None:
|
|
||||||
self._fill()
|
|
||||||
finally:
|
|
||||||
_fill_lock.release()
|
|
||||||
return self.data[key.upper()]
|
|
||||||
|
|
||||||
def __contains__(self, key):
|
|
||||||
if self.data is None:
|
|
||||||
_fill_lock.acquire()
|
|
||||||
try:
|
|
||||||
if self.data is None:
|
|
||||||
self._fill()
|
|
||||||
finally:
|
|
||||||
_fill_lock.release()
|
|
||||||
return key in self.data
|
|
||||||
|
|
||||||
def __iter__(self):
|
|
||||||
if self.data is None:
|
|
||||||
_fill_lock.acquire()
|
|
||||||
try:
|
|
||||||
if self.data is None:
|
|
||||||
self._fill()
|
|
||||||
finally:
|
|
||||||
_fill_lock.release()
|
|
||||||
return iter(self.data)
|
|
||||||
|
|
||||||
def __len__(self):
|
|
||||||
if self.data is None:
|
|
||||||
_fill_lock.acquire()
|
|
||||||
try:
|
|
||||||
if self.data is None:
|
|
||||||
self._fill()
|
|
||||||
finally:
|
|
||||||
_fill_lock.release()
|
|
||||||
return len(self.data)
|
|
||||||
|
|
||||||
def keys(self):
|
|
||||||
if self.data is None:
|
|
||||||
_fill_lock.acquire()
|
|
||||||
try:
|
|
||||||
if self.data is None:
|
|
||||||
self._fill()
|
|
||||||
finally:
|
|
||||||
_fill_lock.release()
|
|
||||||
return self.data.keys()
|
|
||||||
|
|
||||||
|
|
||||||
class LazyList(list):
|
|
||||||
"""List populated on first use."""
|
|
||||||
|
|
||||||
_props = [
|
|
||||||
'__str__', '__repr__', '__unicode__',
|
|
||||||
'__hash__', '__sizeof__', '__cmp__',
|
|
||||||
'__lt__', '__le__', '__eq__', '__ne__', '__gt__', '__ge__',
|
|
||||||
'append', 'count', 'index', 'extend', 'insert', 'pop', 'remove',
|
|
||||||
'reverse', 'sort', '__add__', '__radd__', '__iadd__', '__mul__',
|
|
||||||
'__rmul__', '__imul__', '__contains__', '__len__', '__nonzero__',
|
|
||||||
'__getitem__', '__setitem__', '__delitem__', '__iter__',
|
|
||||||
'__reversed__', '__getslice__', '__setslice__', '__delslice__']
|
|
||||||
|
|
||||||
def __new__(cls, fill_iter=None):
|
|
||||||
|
|
||||||
if fill_iter is None:
|
|
||||||
return list()
|
|
||||||
|
|
||||||
# We need a new class as we will be dynamically messing with its
|
|
||||||
# methods.
|
|
||||||
class LazyList(list):
|
|
||||||
pass
|
|
||||||
|
|
||||||
fill_iter = [fill_iter]
|
|
||||||
|
|
||||||
def lazy(name):
|
|
||||||
def _lazy(self, *args, **kw):
|
|
||||||
_fill_lock.acquire()
|
|
||||||
try:
|
|
||||||
if len(fill_iter) > 0:
|
|
||||||
list.extend(self, fill_iter.pop())
|
|
||||||
for method_name in cls._props:
|
|
||||||
delattr(LazyList, method_name)
|
|
||||||
finally:
|
|
||||||
_fill_lock.release()
|
|
||||||
return getattr(list, name)(self, *args, **kw)
|
|
||||||
return _lazy
|
|
||||||
|
|
||||||
for name in cls._props:
|
|
||||||
setattr(LazyList, name, lazy(name))
|
|
||||||
|
|
||||||
new_list = LazyList()
|
|
||||||
return new_list
|
|
||||||
|
|
||||||
# Not all versions of Python declare the same magic methods.
|
|
||||||
# Filter out properties that don't exist in this version of Python
|
|
||||||
# from the list.
|
|
||||||
LazyList._props = [prop for prop in LazyList._props if hasattr(list, prop)]
|
|
||||||
|
|
||||||
|
|
||||||
class LazySet(set):
|
|
||||||
"""Set populated on first use."""
|
|
||||||
|
|
||||||
_props = (
|
|
||||||
'__str__', '__repr__', '__unicode__',
|
|
||||||
'__hash__', '__sizeof__', '__cmp__',
|
|
||||||
'__lt__', '__le__', '__eq__', '__ne__', '__gt__', '__ge__',
|
|
||||||
'__contains__', '__len__', '__nonzero__',
|
|
||||||
'__getitem__', '__setitem__', '__delitem__', '__iter__',
|
|
||||||
'__sub__', '__and__', '__xor__', '__or__',
|
|
||||||
'__rsub__', '__rand__', '__rxor__', '__ror__',
|
|
||||||
'__isub__', '__iand__', '__ixor__', '__ior__',
|
|
||||||
'add', 'clear', 'copy', 'difference', 'difference_update',
|
|
||||||
'discard', 'intersection', 'intersection_update', 'isdisjoint',
|
|
||||||
'issubset', 'issuperset', 'pop', 'remove',
|
|
||||||
'symmetric_difference', 'symmetric_difference_update',
|
|
||||||
'union', 'update')
|
|
||||||
|
|
||||||
def __new__(cls, fill_iter=None):
|
|
||||||
|
|
||||||
if fill_iter is None:
|
|
||||||
return set()
|
|
||||||
|
|
||||||
class LazySet(set):
|
|
||||||
pass
|
|
||||||
|
|
||||||
fill_iter = [fill_iter]
|
|
||||||
|
|
||||||
def lazy(name):
|
|
||||||
def _lazy(self, *args, **kw):
|
|
||||||
_fill_lock.acquire()
|
|
||||||
try:
|
|
||||||
if len(fill_iter) > 0:
|
|
||||||
for i in fill_iter.pop():
|
|
||||||
set.add(self, i)
|
|
||||||
for method_name in cls._props:
|
|
||||||
delattr(LazySet, method_name)
|
|
||||||
finally:
|
|
||||||
_fill_lock.release()
|
|
||||||
return getattr(set, name)(self, *args, **kw)
|
|
||||||
return _lazy
|
|
||||||
|
|
||||||
for name in cls._props:
|
|
||||||
setattr(LazySet, name, lazy(name))
|
|
||||||
|
|
||||||
new_set = LazySet()
|
|
||||||
return new_set
|
|
||||||
|
|
||||||
# Not all versions of Python declare the same magic methods.
|
|
||||||
# Filter out properties that don't exist in this version of Python
|
|
||||||
# from the list.
|
|
||||||
LazySet._props = [prop for prop in LazySet._props if hasattr(set, prop)]
|
|
|
@ -1,127 +0,0 @@
|
||||||
'''
|
|
||||||
Reference tzinfo implementations from the Python docs.
|
|
||||||
Used for testing against as they are only correct for the years
|
|
||||||
1987 to 2006. Do not use these for real code.
|
|
||||||
'''
|
|
||||||
|
|
||||||
from datetime import tzinfo, timedelta, datetime
|
|
||||||
from pytz import utc, UTC, HOUR, ZERO
|
|
||||||
|
|
||||||
# A class building tzinfo objects for fixed-offset time zones.
|
|
||||||
# Note that FixedOffset(0, "UTC") is a different way to build a
|
|
||||||
# UTC tzinfo object.
|
|
||||||
|
|
||||||
class FixedOffset(tzinfo):
|
|
||||||
"""Fixed offset in minutes east from UTC."""
|
|
||||||
|
|
||||||
def __init__(self, offset, name):
|
|
||||||
self.__offset = timedelta(minutes = offset)
|
|
||||||
self.__name = name
|
|
||||||
|
|
||||||
def utcoffset(self, dt):
|
|
||||||
return self.__offset
|
|
||||||
|
|
||||||
def tzname(self, dt):
|
|
||||||
return self.__name
|
|
||||||
|
|
||||||
def dst(self, dt):
|
|
||||||
return ZERO
|
|
||||||
|
|
||||||
# A class capturing the platform's idea of local time.
|
|
||||||
|
|
||||||
import time as _time
|
|
||||||
|
|
||||||
STDOFFSET = timedelta(seconds = -_time.timezone)
|
|
||||||
if _time.daylight:
|
|
||||||
DSTOFFSET = timedelta(seconds = -_time.altzone)
|
|
||||||
else:
|
|
||||||
DSTOFFSET = STDOFFSET
|
|
||||||
|
|
||||||
DSTDIFF = DSTOFFSET - STDOFFSET
|
|
||||||
|
|
||||||
class LocalTimezone(tzinfo):
|
|
||||||
|
|
||||||
def utcoffset(self, dt):
|
|
||||||
if self._isdst(dt):
|
|
||||||
return DSTOFFSET
|
|
||||||
else:
|
|
||||||
return STDOFFSET
|
|
||||||
|
|
||||||
def dst(self, dt):
|
|
||||||
if self._isdst(dt):
|
|
||||||
return DSTDIFF
|
|
||||||
else:
|
|
||||||
return ZERO
|
|
||||||
|
|
||||||
def tzname(self, dt):
|
|
||||||
return _time.tzname[self._isdst(dt)]
|
|
||||||
|
|
||||||
def _isdst(self, dt):
|
|
||||||
tt = (dt.year, dt.month, dt.day,
|
|
||||||
dt.hour, dt.minute, dt.second,
|
|
||||||
dt.weekday(), 0, -1)
|
|
||||||
stamp = _time.mktime(tt)
|
|
||||||
tt = _time.localtime(stamp)
|
|
||||||
return tt.tm_isdst > 0
|
|
||||||
|
|
||||||
Local = LocalTimezone()
|
|
||||||
|
|
||||||
# A complete implementation of current DST rules for major US time zones.
|
|
||||||
|
|
||||||
def first_sunday_on_or_after(dt):
|
|
||||||
days_to_go = 6 - dt.weekday()
|
|
||||||
if days_to_go:
|
|
||||||
dt += timedelta(days_to_go)
|
|
||||||
return dt
|
|
||||||
|
|
||||||
# In the US, DST starts at 2am (standard time) on the first Sunday in April.
|
|
||||||
DSTSTART = datetime(1, 4, 1, 2)
|
|
||||||
# and ends at 2am (DST time; 1am standard time) on the last Sunday of Oct.
|
|
||||||
# which is the first Sunday on or after Oct 25.
|
|
||||||
DSTEND = datetime(1, 10, 25, 1)
|
|
||||||
|
|
||||||
class USTimeZone(tzinfo):
|
|
||||||
|
|
||||||
def __init__(self, hours, reprname, stdname, dstname):
|
|
||||||
self.stdoffset = timedelta(hours=hours)
|
|
||||||
self.reprname = reprname
|
|
||||||
self.stdname = stdname
|
|
||||||
self.dstname = dstname
|
|
||||||
|
|
||||||
def __repr__(self):
|
|
||||||
return self.reprname
|
|
||||||
|
|
||||||
def tzname(self, dt):
|
|
||||||
if self.dst(dt):
|
|
||||||
return self.dstname
|
|
||||||
else:
|
|
||||||
return self.stdname
|
|
||||||
|
|
||||||
def utcoffset(self, dt):
|
|
||||||
return self.stdoffset + self.dst(dt)
|
|
||||||
|
|
||||||
def dst(self, dt):
|
|
||||||
if dt is None or dt.tzinfo is None:
|
|
||||||
# An exception may be sensible here, in one or both cases.
|
|
||||||
# It depends on how you want to treat them. The default
|
|
||||||
# fromutc() implementation (called by the default astimezone()
|
|
||||||
# implementation) passes a datetime with dt.tzinfo is self.
|
|
||||||
return ZERO
|
|
||||||
assert dt.tzinfo is self
|
|
||||||
|
|
||||||
# Find first Sunday in April & the last in October.
|
|
||||||
start = first_sunday_on_or_after(DSTSTART.replace(year=dt.year))
|
|
||||||
end = first_sunday_on_or_after(DSTEND.replace(year=dt.year))
|
|
||||||
|
|
||||||
# Can't compare naive to aware objects, so strip the timezone from
|
|
||||||
# dt first.
|
|
||||||
if start <= dt.replace(tzinfo=None) < end:
|
|
||||||
return HOUR
|
|
||||||
else:
|
|
||||||
return ZERO
|
|
||||||
|
|
||||||
Eastern = USTimeZone(-5, "Eastern", "EST", "EDT")
|
|
||||||
Central = USTimeZone(-6, "Central", "CST", "CDT")
|
|
||||||
Mountain = USTimeZone(-7, "Mountain", "MST", "MDT")
|
|
||||||
Pacific = USTimeZone(-8, "Pacific", "PST", "PDT")
|
|
||||||
|
|
|
@ -1,137 +0,0 @@
|
||||||
#!/usr/bin/env python
|
|
||||||
'''
|
|
||||||
$Id: tzfile.py,v 1.8 2004/06/03 00:15:24 zenzen Exp $
|
|
||||||
'''
|
|
||||||
|
|
||||||
try:
|
|
||||||
from cStringIO import StringIO
|
|
||||||
except ImportError:
|
|
||||||
from io import StringIO
|
|
||||||
from datetime import datetime, timedelta
|
|
||||||
from struct import unpack, calcsize
|
|
||||||
|
|
||||||
from pytz.tzinfo import StaticTzInfo, DstTzInfo, memorized_ttinfo
|
|
||||||
from pytz.tzinfo import memorized_datetime, memorized_timedelta
|
|
||||||
|
|
||||||
def _byte_string(s):
|
|
||||||
"""Cast a string or byte string to an ASCII byte string."""
|
|
||||||
return s.encode('US-ASCII')
|
|
||||||
|
|
||||||
_NULL = _byte_string('\0')
|
|
||||||
|
|
||||||
def _std_string(s):
|
|
||||||
"""Cast a string or byte string to an ASCII string."""
|
|
||||||
return str(s.decode('US-ASCII'))
|
|
||||||
|
|
||||||
def build_tzinfo(zone, fp):
|
|
||||||
head_fmt = '>4s c 15x 6l'
|
|
||||||
head_size = calcsize(head_fmt)
|
|
||||||
(magic, format, ttisgmtcnt, ttisstdcnt,leapcnt, timecnt,
|
|
||||||
typecnt, charcnt) = unpack(head_fmt, fp.read(head_size))
|
|
||||||
|
|
||||||
# Make sure it is a tzfile(5) file
|
|
||||||
assert magic == _byte_string('TZif'), 'Got magic %s' % repr(magic)
|
|
||||||
|
|
||||||
# Read out the transition times, localtime indices and ttinfo structures.
|
|
||||||
data_fmt = '>%(timecnt)dl %(timecnt)dB %(ttinfo)s %(charcnt)ds' % dict(
|
|
||||||
timecnt=timecnt, ttinfo='lBB'*typecnt, charcnt=charcnt)
|
|
||||||
data_size = calcsize(data_fmt)
|
|
||||||
data = unpack(data_fmt, fp.read(data_size))
|
|
||||||
|
|
||||||
# make sure we unpacked the right number of values
|
|
||||||
assert len(data) == 2 * timecnt + 3 * typecnt + 1
|
|
||||||
transitions = [memorized_datetime(trans)
|
|
||||||
for trans in data[:timecnt]]
|
|
||||||
lindexes = list(data[timecnt:2 * timecnt])
|
|
||||||
ttinfo_raw = data[2 * timecnt:-1]
|
|
||||||
tznames_raw = data[-1]
|
|
||||||
del data
|
|
||||||
|
|
||||||
# Process ttinfo into separate structs
|
|
||||||
ttinfo = []
|
|
||||||
tznames = {}
|
|
||||||
i = 0
|
|
||||||
while i < len(ttinfo_raw):
|
|
||||||
# have we looked up this timezone name yet?
|
|
||||||
tzname_offset = ttinfo_raw[i+2]
|
|
||||||
if tzname_offset not in tznames:
|
|
||||||
nul = tznames_raw.find(_NULL, tzname_offset)
|
|
||||||
if nul < 0:
|
|
||||||
nul = len(tznames_raw)
|
|
||||||
tznames[tzname_offset] = _std_string(
|
|
||||||
tznames_raw[tzname_offset:nul])
|
|
||||||
ttinfo.append((ttinfo_raw[i],
|
|
||||||
bool(ttinfo_raw[i+1]),
|
|
||||||
tznames[tzname_offset]))
|
|
||||||
i += 3
|
|
||||||
|
|
||||||
# Now build the timezone object
|
|
||||||
if len(transitions) == 0:
|
|
||||||
ttinfo[0][0], ttinfo[0][2]
|
|
||||||
cls = type(zone, (StaticTzInfo,), dict(
|
|
||||||
zone=zone,
|
|
||||||
_utcoffset=memorized_timedelta(ttinfo[0][0]),
|
|
||||||
_tzname=ttinfo[0][2]))
|
|
||||||
else:
|
|
||||||
# Early dates use the first standard time ttinfo
|
|
||||||
i = 0
|
|
||||||
while ttinfo[i][1]:
|
|
||||||
i += 1
|
|
||||||
if ttinfo[i] == ttinfo[lindexes[0]]:
|
|
||||||
transitions[0] = datetime.min
|
|
||||||
else:
|
|
||||||
transitions.insert(0, datetime.min)
|
|
||||||
lindexes.insert(0, i)
|
|
||||||
|
|
||||||
# calculate transition info
|
|
||||||
transition_info = []
|
|
||||||
for i in range(len(transitions)):
|
|
||||||
inf = ttinfo[lindexes[i]]
|
|
||||||
utcoffset = inf[0]
|
|
||||||
if not inf[1]:
|
|
||||||
dst = 0
|
|
||||||
else:
|
|
||||||
for j in range(i-1, -1, -1):
|
|
||||||
prev_inf = ttinfo[lindexes[j]]
|
|
||||||
if not prev_inf[1]:
|
|
||||||
break
|
|
||||||
dst = inf[0] - prev_inf[0] # dst offset
|
|
||||||
|
|
||||||
# Bad dst? Look further. DST > 24 hours happens when
|
|
||||||
# a timzone has moved across the international dateline.
|
|
||||||
if dst <= 0 or dst > 3600*3:
|
|
||||||
for j in range(i+1, len(transitions)):
|
|
||||||
stdinf = ttinfo[lindexes[j]]
|
|
||||||
if not stdinf[1]:
|
|
||||||
dst = inf[0] - stdinf[0]
|
|
||||||
if dst > 0:
|
|
||||||
break # Found a useful std time.
|
|
||||||
|
|
||||||
tzname = inf[2]
|
|
||||||
|
|
||||||
# Round utcoffset and dst to the nearest minute or the
|
|
||||||
# datetime library will complain. Conversions to these timezones
|
|
||||||
# might be up to plus or minus 30 seconds out, but it is
|
|
||||||
# the best we can do.
|
|
||||||
utcoffset = int((utcoffset + 30) // 60) * 60
|
|
||||||
dst = int((dst + 30) // 60) * 60
|
|
||||||
transition_info.append(memorized_ttinfo(utcoffset, dst, tzname))
|
|
||||||
|
|
||||||
cls = type(zone, (DstTzInfo,), dict(
|
|
||||||
zone=zone,
|
|
||||||
_utc_transition_times=transitions,
|
|
||||||
_transition_info=transition_info))
|
|
||||||
|
|
||||||
return cls()
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
import os.path
|
|
||||||
from pprint import pprint
|
|
||||||
base = os.path.join(os.path.dirname(__file__), 'zoneinfo')
|
|
||||||
tz = build_tzinfo('Australia/Melbourne',
|
|
||||||
open(os.path.join(base,'Australia','Melbourne'), 'rb'))
|
|
||||||
tz = build_tzinfo('US/Eastern',
|
|
||||||
open(os.path.join(base,'US','Eastern'), 'rb'))
|
|
||||||
pprint(tz._utc_transition_times)
|
|
||||||
#print tz.asPython(4)
|
|
||||||
#print tz.transitions_mapping
|
|
|
@ -1,564 +0,0 @@
|
||||||
'''Base classes and helpers for building zone specific tzinfo classes'''
|
|
||||||
|
|
||||||
from datetime import datetime, timedelta, tzinfo
|
|
||||||
from bisect import bisect_right
|
|
||||||
try:
|
|
||||||
set
|
|
||||||
except NameError:
|
|
||||||
from sets import Set as set
|
|
||||||
|
|
||||||
import pytz
|
|
||||||
from pytz.exceptions import AmbiguousTimeError, NonExistentTimeError
|
|
||||||
|
|
||||||
__all__ = []
|
|
||||||
|
|
||||||
_timedelta_cache = {}
|
|
||||||
def memorized_timedelta(seconds):
|
|
||||||
'''Create only one instance of each distinct timedelta'''
|
|
||||||
try:
|
|
||||||
return _timedelta_cache[seconds]
|
|
||||||
except KeyError:
|
|
||||||
delta = timedelta(seconds=seconds)
|
|
||||||
_timedelta_cache[seconds] = delta
|
|
||||||
return delta
|
|
||||||
|
|
||||||
_epoch = datetime.utcfromtimestamp(0)
|
|
||||||
_datetime_cache = {0: _epoch}
|
|
||||||
def memorized_datetime(seconds):
|
|
||||||
'''Create only one instance of each distinct datetime'''
|
|
||||||
try:
|
|
||||||
return _datetime_cache[seconds]
|
|
||||||
except KeyError:
|
|
||||||
# NB. We can't just do datetime.utcfromtimestamp(seconds) as this
|
|
||||||
# fails with negative values under Windows (Bug #90096)
|
|
||||||
dt = _epoch + timedelta(seconds=seconds)
|
|
||||||
_datetime_cache[seconds] = dt
|
|
||||||
return dt
|
|
||||||
|
|
||||||
_ttinfo_cache = {}
|
|
||||||
def memorized_ttinfo(*args):
|
|
||||||
'''Create only one instance of each distinct tuple'''
|
|
||||||
try:
|
|
||||||
return _ttinfo_cache[args]
|
|
||||||
except KeyError:
|
|
||||||
ttinfo = (
|
|
||||||
memorized_timedelta(args[0]),
|
|
||||||
memorized_timedelta(args[1]),
|
|
||||||
args[2]
|
|
||||||
)
|
|
||||||
_ttinfo_cache[args] = ttinfo
|
|
||||||
return ttinfo
|
|
||||||
|
|
||||||
_notime = memorized_timedelta(0)
|
|
||||||
|
|
||||||
def _to_seconds(td):
|
|
||||||
'''Convert a timedelta to seconds'''
|
|
||||||
return td.seconds + td.days * 24 * 60 * 60
|
|
||||||
|
|
||||||
|
|
||||||
class BaseTzInfo(tzinfo):
|
|
||||||
# Overridden in subclass
|
|
||||||
_utcoffset = None
|
|
||||||
_tzname = None
|
|
||||||
zone = None
|
|
||||||
|
|
||||||
def __str__(self):
|
|
||||||
return self.zone
|
|
||||||
|
|
||||||
|
|
||||||
class StaticTzInfo(BaseTzInfo):
|
|
||||||
'''A timezone that has a constant offset from UTC
|
|
||||||
|
|
||||||
These timezones are rare, as most locations have changed their
|
|
||||||
offset at some point in their history
|
|
||||||
'''
|
|
||||||
def fromutc(self, dt):
|
|
||||||
'''See datetime.tzinfo.fromutc'''
|
|
||||||
if dt.tzinfo is not None and dt.tzinfo is not self:
|
|
||||||
raise ValueError('fromutc: dt.tzinfo is not self')
|
|
||||||
return (dt + self._utcoffset).replace(tzinfo=self)
|
|
||||||
|
|
||||||
def utcoffset(self, dt, is_dst=None):
|
|
||||||
'''See datetime.tzinfo.utcoffset
|
|
||||||
|
|
||||||
is_dst is ignored for StaticTzInfo, and exists only to
|
|
||||||
retain compatibility with DstTzInfo.
|
|
||||||
'''
|
|
||||||
return self._utcoffset
|
|
||||||
|
|
||||||
def dst(self, dt, is_dst=None):
|
|
||||||
'''See datetime.tzinfo.dst
|
|
||||||
|
|
||||||
is_dst is ignored for StaticTzInfo, and exists only to
|
|
||||||
retain compatibility with DstTzInfo.
|
|
||||||
'''
|
|
||||||
return _notime
|
|
||||||
|
|
||||||
def tzname(self, dt, is_dst=None):
|
|
||||||
'''See datetime.tzinfo.tzname
|
|
||||||
|
|
||||||
is_dst is ignored for StaticTzInfo, and exists only to
|
|
||||||
retain compatibility with DstTzInfo.
|
|
||||||
'''
|
|
||||||
return self._tzname
|
|
||||||
|
|
||||||
def localize(self, dt, is_dst=False):
|
|
||||||
'''Convert naive time to local time'''
|
|
||||||
if dt.tzinfo is not None:
|
|
||||||
raise ValueError('Not naive datetime (tzinfo is already set)')
|
|
||||||
return dt.replace(tzinfo=self)
|
|
||||||
|
|
||||||
def normalize(self, dt, is_dst=False):
|
|
||||||
'''Correct the timezone information on the given datetime.
|
|
||||||
|
|
||||||
This is normally a no-op, as StaticTzInfo timezones never have
|
|
||||||
ambiguous cases to correct:
|
|
||||||
|
|
||||||
>>> from pytz import timezone
|
|
||||||
>>> gmt = timezone('GMT')
|
|
||||||
>>> isinstance(gmt, StaticTzInfo)
|
|
||||||
True
|
|
||||||
>>> dt = datetime(2011, 5, 8, 1, 2, 3, tzinfo=gmt)
|
|
||||||
>>> gmt.normalize(dt) is dt
|
|
||||||
True
|
|
||||||
|
|
||||||
The supported method of converting between timezones is to use
|
|
||||||
datetime.astimezone(). Currently normalize() also works:
|
|
||||||
|
|
||||||
>>> la = timezone('America/Los_Angeles')
|
|
||||||
>>> dt = la.localize(datetime(2011, 5, 7, 1, 2, 3))
|
|
||||||
>>> fmt = '%Y-%m-%d %H:%M:%S %Z (%z)'
|
|
||||||
>>> gmt.normalize(dt).strftime(fmt)
|
|
||||||
'2011-05-07 08:02:03 GMT (+0000)'
|
|
||||||
'''
|
|
||||||
if dt.tzinfo is self:
|
|
||||||
return dt
|
|
||||||
if dt.tzinfo is None:
|
|
||||||
raise ValueError('Naive time - no tzinfo set')
|
|
||||||
return dt.astimezone(self)
|
|
||||||
|
|
||||||
def __repr__(self):
|
|
||||||
return '<StaticTzInfo %r>' % (self.zone,)
|
|
||||||
|
|
||||||
def __reduce__(self):
|
|
||||||
# Special pickle to zone remains a singleton and to cope with
|
|
||||||
# database changes.
|
|
||||||
return pytz._p, (self.zone,)
|
|
||||||
|
|
||||||
|
|
||||||
class DstTzInfo(BaseTzInfo):
|
|
||||||
'''A timezone that has a variable offset from UTC
|
|
||||||
|
|
||||||
The offset might change if daylight saving time comes into effect,
|
|
||||||
or at a point in history when the region decides to change their
|
|
||||||
timezone definition.
|
|
||||||
'''
|
|
||||||
# Overridden in subclass
|
|
||||||
_utc_transition_times = None # Sorted list of DST transition times in UTC
|
|
||||||
_transition_info = None # [(utcoffset, dstoffset, tzname)] corresponding
|
|
||||||
# to _utc_transition_times entries
|
|
||||||
zone = None
|
|
||||||
|
|
||||||
# Set in __init__
|
|
||||||
_tzinfos = None
|
|
||||||
_dst = None # DST offset
|
|
||||||
|
|
||||||
def __init__(self, _inf=None, _tzinfos=None):
|
|
||||||
if _inf:
|
|
||||||
self._tzinfos = _tzinfos
|
|
||||||
self._utcoffset, self._dst, self._tzname = _inf
|
|
||||||
else:
|
|
||||||
_tzinfos = {}
|
|
||||||
self._tzinfos = _tzinfos
|
|
||||||
self._utcoffset, self._dst, self._tzname = self._transition_info[0]
|
|
||||||
_tzinfos[self._transition_info[0]] = self
|
|
||||||
for inf in self._transition_info[1:]:
|
|
||||||
if inf not in _tzinfos:
|
|
||||||
_tzinfos[inf] = self.__class__(inf, _tzinfos)
|
|
||||||
|
|
||||||
def fromutc(self, dt):
|
|
||||||
'''See datetime.tzinfo.fromutc'''
|
|
||||||
if (dt.tzinfo is not None
|
|
||||||
and getattr(dt.tzinfo, '_tzinfos', None) is not self._tzinfos):
|
|
||||||
raise ValueError('fromutc: dt.tzinfo is not self')
|
|
||||||
dt = dt.replace(tzinfo=None)
|
|
||||||
idx = max(0, bisect_right(self._utc_transition_times, dt) - 1)
|
|
||||||
inf = self._transition_info[idx]
|
|
||||||
return (dt + inf[0]).replace(tzinfo=self._tzinfos[inf])
|
|
||||||
|
|
||||||
def normalize(self, dt):
|
|
||||||
'''Correct the timezone information on the given datetime
|
|
||||||
|
|
||||||
If date arithmetic crosses DST boundaries, the tzinfo
|
|
||||||
is not magically adjusted. This method normalizes the
|
|
||||||
tzinfo to the correct one.
|
|
||||||
|
|
||||||
To test, first we need to do some setup
|
|
||||||
|
|
||||||
>>> from pytz import timezone
|
|
||||||
>>> utc = timezone('UTC')
|
|
||||||
>>> eastern = timezone('US/Eastern')
|
|
||||||
>>> fmt = '%Y-%m-%d %H:%M:%S %Z (%z)'
|
|
||||||
|
|
||||||
We next create a datetime right on an end-of-DST transition point,
|
|
||||||
the instant when the wallclocks are wound back one hour.
|
|
||||||
|
|
||||||
>>> utc_dt = datetime(2002, 10, 27, 6, 0, 0, tzinfo=utc)
|
|
||||||
>>> loc_dt = utc_dt.astimezone(eastern)
|
|
||||||
>>> loc_dt.strftime(fmt)
|
|
||||||
'2002-10-27 01:00:00 EST (-0500)'
|
|
||||||
|
|
||||||
Now, if we subtract a few minutes from it, note that the timezone
|
|
||||||
information has not changed.
|
|
||||||
|
|
||||||
>>> before = loc_dt - timedelta(minutes=10)
|
|
||||||
>>> before.strftime(fmt)
|
|
||||||
'2002-10-27 00:50:00 EST (-0500)'
|
|
||||||
|
|
||||||
But we can fix that by calling the normalize method
|
|
||||||
|
|
||||||
>>> before = eastern.normalize(before)
|
|
||||||
>>> before.strftime(fmt)
|
|
||||||
'2002-10-27 01:50:00 EDT (-0400)'
|
|
||||||
|
|
||||||
The supported method of converting between timezones is to use
|
|
||||||
datetime.astimezone(). Currently, normalize() also works:
|
|
||||||
|
|
||||||
>>> th = timezone('Asia/Bangkok')
|
|
||||||
>>> am = timezone('Europe/Amsterdam')
|
|
||||||
>>> dt = th.localize(datetime(2011, 5, 7, 1, 2, 3))
|
|
||||||
>>> fmt = '%Y-%m-%d %H:%M:%S %Z (%z)'
|
|
||||||
>>> am.normalize(dt).strftime(fmt)
|
|
||||||
'2011-05-06 20:02:03 CEST (+0200)'
|
|
||||||
'''
|
|
||||||
if dt.tzinfo is None:
|
|
||||||
raise ValueError('Naive time - no tzinfo set')
|
|
||||||
|
|
||||||
# Convert dt in localtime to UTC
|
|
||||||
offset = dt.tzinfo._utcoffset
|
|
||||||
dt = dt.replace(tzinfo=None)
|
|
||||||
dt = dt - offset
|
|
||||||
# convert it back, and return it
|
|
||||||
return self.fromutc(dt)
|
|
||||||
|
|
||||||
def localize(self, dt, is_dst=False):
|
|
||||||
'''Convert naive time to local time.
|
|
||||||
|
|
||||||
This method should be used to construct localtimes, rather
|
|
||||||
than passing a tzinfo argument to a datetime constructor.
|
|
||||||
|
|
||||||
is_dst is used to determine the correct timezone in the ambigous
|
|
||||||
period at the end of daylight saving time.
|
|
||||||
|
|
||||||
>>> from pytz import timezone
|
|
||||||
>>> fmt = '%Y-%m-%d %H:%M:%S %Z (%z)'
|
|
||||||
>>> amdam = timezone('Europe/Amsterdam')
|
|
||||||
>>> dt = datetime(2004, 10, 31, 2, 0, 0)
|
|
||||||
>>> loc_dt1 = amdam.localize(dt, is_dst=True)
|
|
||||||
>>> loc_dt2 = amdam.localize(dt, is_dst=False)
|
|
||||||
>>> loc_dt1.strftime(fmt)
|
|
||||||
'2004-10-31 02:00:00 CEST (+0200)'
|
|
||||||
>>> loc_dt2.strftime(fmt)
|
|
||||||
'2004-10-31 02:00:00 CET (+0100)'
|
|
||||||
>>> str(loc_dt2 - loc_dt1)
|
|
||||||
'1:00:00'
|
|
||||||
|
|
||||||
Use is_dst=None to raise an AmbiguousTimeError for ambiguous
|
|
||||||
times at the end of daylight saving time
|
|
||||||
|
|
||||||
>>> try:
|
|
||||||
... loc_dt1 = amdam.localize(dt, is_dst=None)
|
|
||||||
... except AmbiguousTimeError:
|
|
||||||
... print('Ambiguous')
|
|
||||||
Ambiguous
|
|
||||||
|
|
||||||
is_dst defaults to False
|
|
||||||
|
|
||||||
>>> amdam.localize(dt) == amdam.localize(dt, False)
|
|
||||||
True
|
|
||||||
|
|
||||||
is_dst is also used to determine the correct timezone in the
|
|
||||||
wallclock times jumped over at the start of daylight saving time.
|
|
||||||
|
|
||||||
>>> pacific = timezone('US/Pacific')
|
|
||||||
>>> dt = datetime(2008, 3, 9, 2, 0, 0)
|
|
||||||
>>> ploc_dt1 = pacific.localize(dt, is_dst=True)
|
|
||||||
>>> ploc_dt2 = pacific.localize(dt, is_dst=False)
|
|
||||||
>>> ploc_dt1.strftime(fmt)
|
|
||||||
'2008-03-09 02:00:00 PDT (-0700)'
|
|
||||||
>>> ploc_dt2.strftime(fmt)
|
|
||||||
'2008-03-09 02:00:00 PST (-0800)'
|
|
||||||
>>> str(ploc_dt2 - ploc_dt1)
|
|
||||||
'1:00:00'
|
|
||||||
|
|
||||||
Use is_dst=None to raise a NonExistentTimeError for these skipped
|
|
||||||
times.
|
|
||||||
|
|
||||||
>>> try:
|
|
||||||
... loc_dt1 = pacific.localize(dt, is_dst=None)
|
|
||||||
... except NonExistentTimeError:
|
|
||||||
... print('Non-existent')
|
|
||||||
Non-existent
|
|
||||||
'''
|
|
||||||
if dt.tzinfo is not None:
|
|
||||||
raise ValueError('Not naive datetime (tzinfo is already set)')
|
|
||||||
|
|
||||||
# Find the two best possibilities.
|
|
||||||
possible_loc_dt = set()
|
|
||||||
for delta in [timedelta(days=-1), timedelta(days=1)]:
|
|
||||||
loc_dt = dt + delta
|
|
||||||
idx = max(0, bisect_right(
|
|
||||||
self._utc_transition_times, loc_dt) - 1)
|
|
||||||
inf = self._transition_info[idx]
|
|
||||||
tzinfo = self._tzinfos[inf]
|
|
||||||
loc_dt = tzinfo.normalize(dt.replace(tzinfo=tzinfo))
|
|
||||||
if loc_dt.replace(tzinfo=None) == dt:
|
|
||||||
possible_loc_dt.add(loc_dt)
|
|
||||||
|
|
||||||
if len(possible_loc_dt) == 1:
|
|
||||||
return possible_loc_dt.pop()
|
|
||||||
|
|
||||||
# If there are no possibly correct timezones, we are attempting
|
|
||||||
# to convert a time that never happened - the time period jumped
|
|
||||||
# during the start-of-DST transition period.
|
|
||||||
if len(possible_loc_dt) == 0:
|
|
||||||
# If we refuse to guess, raise an exception.
|
|
||||||
if is_dst is None:
|
|
||||||
raise NonExistentTimeError(dt)
|
|
||||||
|
|
||||||
# If we are forcing the pre-DST side of the DST transition, we
|
|
||||||
# obtain the correct timezone by winding the clock forward a few
|
|
||||||
# hours.
|
|
||||||
elif is_dst:
|
|
||||||
return self.localize(
|
|
||||||
dt + timedelta(hours=6), is_dst=True) - timedelta(hours=6)
|
|
||||||
|
|
||||||
# If we are forcing the post-DST side of the DST transition, we
|
|
||||||
# obtain the correct timezone by winding the clock back.
|
|
||||||
else:
|
|
||||||
return self.localize(
|
|
||||||
dt - timedelta(hours=6), is_dst=False) + timedelta(hours=6)
|
|
||||||
|
|
||||||
|
|
||||||
# If we get this far, we have multiple possible timezones - this
|
|
||||||
# is an ambiguous case occuring during the end-of-DST transition.
|
|
||||||
|
|
||||||
# If told to be strict, raise an exception since we have an
|
|
||||||
# ambiguous case
|
|
||||||
if is_dst is None:
|
|
||||||
raise AmbiguousTimeError(dt)
|
|
||||||
|
|
||||||
# Filter out the possiblilities that don't match the requested
|
|
||||||
# is_dst
|
|
||||||
filtered_possible_loc_dt = [
|
|
||||||
p for p in possible_loc_dt
|
|
||||||
if bool(p.tzinfo._dst) == is_dst
|
|
||||||
]
|
|
||||||
|
|
||||||
# Hopefully we only have one possibility left. Return it.
|
|
||||||
if len(filtered_possible_loc_dt) == 1:
|
|
||||||
return filtered_possible_loc_dt[0]
|
|
||||||
|
|
||||||
if len(filtered_possible_loc_dt) == 0:
|
|
||||||
filtered_possible_loc_dt = list(possible_loc_dt)
|
|
||||||
|
|
||||||
# If we get this far, we have in a wierd timezone transition
|
|
||||||
# where the clocks have been wound back but is_dst is the same
|
|
||||||
# in both (eg. Europe/Warsaw 1915 when they switched to CET).
|
|
||||||
# At this point, we just have to guess unless we allow more
|
|
||||||
# hints to be passed in (such as the UTC offset or abbreviation),
|
|
||||||
# but that is just getting silly.
|
|
||||||
#
|
|
||||||
# Choose the earliest (by UTC) applicable timezone if is_dst=True
|
|
||||||
# Choose the latest (by UTC) applicable timezone if is_dst=False
|
|
||||||
# i.e., behave like end-of-DST transition
|
|
||||||
dates = {} # utc -> local
|
|
||||||
for local_dt in filtered_possible_loc_dt:
|
|
||||||
utc_time = local_dt.replace(tzinfo=None) - local_dt.tzinfo._utcoffset
|
|
||||||
assert utc_time not in dates
|
|
||||||
dates[utc_time] = local_dt
|
|
||||||
return dates[[min, max][not is_dst](dates)]
|
|
||||||
|
|
||||||
def utcoffset(self, dt, is_dst=None):
|
|
||||||
'''See datetime.tzinfo.utcoffset
|
|
||||||
|
|
||||||
The is_dst parameter may be used to remove ambiguity during DST
|
|
||||||
transitions.
|
|
||||||
|
|
||||||
>>> from pytz import timezone
|
|
||||||
>>> tz = timezone('America/St_Johns')
|
|
||||||
>>> ambiguous = datetime(2009, 10, 31, 23, 30)
|
|
||||||
|
|
||||||
>>> tz.utcoffset(ambiguous, is_dst=False)
|
|
||||||
datetime.timedelta(-1, 73800)
|
|
||||||
|
|
||||||
>>> tz.utcoffset(ambiguous, is_dst=True)
|
|
||||||
datetime.timedelta(-1, 77400)
|
|
||||||
|
|
||||||
>>> try:
|
|
||||||
... tz.utcoffset(ambiguous)
|
|
||||||
... except AmbiguousTimeError:
|
|
||||||
... print('Ambiguous')
|
|
||||||
Ambiguous
|
|
||||||
|
|
||||||
'''
|
|
||||||
if dt is None:
|
|
||||||
return None
|
|
||||||
elif dt.tzinfo is not self:
|
|
||||||
dt = self.localize(dt, is_dst)
|
|
||||||
return dt.tzinfo._utcoffset
|
|
||||||
else:
|
|
||||||
return self._utcoffset
|
|
||||||
|
|
||||||
def dst(self, dt, is_dst=None):
|
|
||||||
'''See datetime.tzinfo.dst
|
|
||||||
|
|
||||||
The is_dst parameter may be used to remove ambiguity during DST
|
|
||||||
transitions.
|
|
||||||
|
|
||||||
>>> from pytz import timezone
|
|
||||||
>>> tz = timezone('America/St_Johns')
|
|
||||||
|
|
||||||
>>> normal = datetime(2009, 9, 1)
|
|
||||||
|
|
||||||
>>> tz.dst(normal)
|
|
||||||
datetime.timedelta(0, 3600)
|
|
||||||
>>> tz.dst(normal, is_dst=False)
|
|
||||||
datetime.timedelta(0, 3600)
|
|
||||||
>>> tz.dst(normal, is_dst=True)
|
|
||||||
datetime.timedelta(0, 3600)
|
|
||||||
|
|
||||||
>>> ambiguous = datetime(2009, 10, 31, 23, 30)
|
|
||||||
|
|
||||||
>>> tz.dst(ambiguous, is_dst=False)
|
|
||||||
datetime.timedelta(0)
|
|
||||||
>>> tz.dst(ambiguous, is_dst=True)
|
|
||||||
datetime.timedelta(0, 3600)
|
|
||||||
>>> try:
|
|
||||||
... tz.dst(ambiguous)
|
|
||||||
... except AmbiguousTimeError:
|
|
||||||
... print('Ambiguous')
|
|
||||||
Ambiguous
|
|
||||||
|
|
||||||
'''
|
|
||||||
if dt is None:
|
|
||||||
return None
|
|
||||||
elif dt.tzinfo is not self:
|
|
||||||
dt = self.localize(dt, is_dst)
|
|
||||||
return dt.tzinfo._dst
|
|
||||||
else:
|
|
||||||
return self._dst
|
|
||||||
|
|
||||||
def tzname(self, dt, is_dst=None):
|
|
||||||
'''See datetime.tzinfo.tzname
|
|
||||||
|
|
||||||
The is_dst parameter may be used to remove ambiguity during DST
|
|
||||||
transitions.
|
|
||||||
|
|
||||||
>>> from pytz import timezone
|
|
||||||
>>> tz = timezone('America/St_Johns')
|
|
||||||
|
|
||||||
>>> normal = datetime(2009, 9, 1)
|
|
||||||
|
|
||||||
>>> tz.tzname(normal)
|
|
||||||
'NDT'
|
|
||||||
>>> tz.tzname(normal, is_dst=False)
|
|
||||||
'NDT'
|
|
||||||
>>> tz.tzname(normal, is_dst=True)
|
|
||||||
'NDT'
|
|
||||||
|
|
||||||
>>> ambiguous = datetime(2009, 10, 31, 23, 30)
|
|
||||||
|
|
||||||
>>> tz.tzname(ambiguous, is_dst=False)
|
|
||||||
'NST'
|
|
||||||
>>> tz.tzname(ambiguous, is_dst=True)
|
|
||||||
'NDT'
|
|
||||||
>>> try:
|
|
||||||
... tz.tzname(ambiguous)
|
|
||||||
... except AmbiguousTimeError:
|
|
||||||
... print('Ambiguous')
|
|
||||||
Ambiguous
|
|
||||||
'''
|
|
||||||
if dt is None:
|
|
||||||
return self.zone
|
|
||||||
elif dt.tzinfo is not self:
|
|
||||||
dt = self.localize(dt, is_dst)
|
|
||||||
return dt.tzinfo._tzname
|
|
||||||
else:
|
|
||||||
return self._tzname
|
|
||||||
|
|
||||||
def __repr__(self):
|
|
||||||
if self._dst:
|
|
||||||
dst = 'DST'
|
|
||||||
else:
|
|
||||||
dst = 'STD'
|
|
||||||
if self._utcoffset > _notime:
|
|
||||||
return '<DstTzInfo %r %s+%s %s>' % (
|
|
||||||
self.zone, self._tzname, self._utcoffset, dst
|
|
||||||
)
|
|
||||||
else:
|
|
||||||
return '<DstTzInfo %r %s%s %s>' % (
|
|
||||||
self.zone, self._tzname, self._utcoffset, dst
|
|
||||||
)
|
|
||||||
|
|
||||||
def __reduce__(self):
|
|
||||||
# Special pickle to zone remains a singleton and to cope with
|
|
||||||
# database changes.
|
|
||||||
return pytz._p, (
|
|
||||||
self.zone,
|
|
||||||
_to_seconds(self._utcoffset),
|
|
||||||
_to_seconds(self._dst),
|
|
||||||
self._tzname
|
|
||||||
)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
def unpickler(zone, utcoffset=None, dstoffset=None, tzname=None):
|
|
||||||
"""Factory function for unpickling pytz tzinfo instances.
|
|
||||||
|
|
||||||
This is shared for both StaticTzInfo and DstTzInfo instances, because
|
|
||||||
database changes could cause a zones implementation to switch between
|
|
||||||
these two base classes and we can't break pickles on a pytz version
|
|
||||||
upgrade.
|
|
||||||
"""
|
|
||||||
# Raises a KeyError if zone no longer exists, which should never happen
|
|
||||||
# and would be a bug.
|
|
||||||
tz = pytz.timezone(zone)
|
|
||||||
|
|
||||||
# A StaticTzInfo - just return it
|
|
||||||
if utcoffset is None:
|
|
||||||
return tz
|
|
||||||
|
|
||||||
# This pickle was created from a DstTzInfo. We need to
|
|
||||||
# determine which of the list of tzinfo instances for this zone
|
|
||||||
# to use in order to restore the state of any datetime instances using
|
|
||||||
# it correctly.
|
|
||||||
utcoffset = memorized_timedelta(utcoffset)
|
|
||||||
dstoffset = memorized_timedelta(dstoffset)
|
|
||||||
try:
|
|
||||||
return tz._tzinfos[(utcoffset, dstoffset, tzname)]
|
|
||||||
except KeyError:
|
|
||||||
# The particular state requested in this timezone no longer exists.
|
|
||||||
# This indicates a corrupt pickle, or the timezone database has been
|
|
||||||
# corrected violently enough to make this particular
|
|
||||||
# (utcoffset,dstoffset) no longer exist in the zone, or the
|
|
||||||
# abbreviation has been changed.
|
|
||||||
pass
|
|
||||||
|
|
||||||
# See if we can find an entry differing only by tzname. Abbreviations
|
|
||||||
# get changed from the initial guess by the database maintainers to
|
|
||||||
# match reality when this information is discovered.
|
|
||||||
for localized_tz in tz._tzinfos.values():
|
|
||||||
if (localized_tz._utcoffset == utcoffset
|
|
||||||
and localized_tz._dst == dstoffset):
|
|
||||||
return localized_tz
|
|
||||||
|
|
||||||
# This (utcoffset, dstoffset) information has been removed from the
|
|
||||||
# zone. Add it back. This might occur when the database maintainers have
|
|
||||||
# corrected incorrect information. datetime instances using this
|
|
||||||
# incorrect information will continue to do so, exactly as they were
|
|
||||||
# before being pickled. This is purely an overly paranoid safety net - I
|
|
||||||
# doubt this will ever been needed in real life.
|
|
||||||
inf = (utcoffset, dstoffset, tzname)
|
|
||||||
tz._tzinfos[inf] = tz.__class__(inf, tz._tzinfos)
|
|
||||||
return tz._tzinfos[inf]
|
|
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Reference in a new issue