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100 lines
3.0 KiB
Python
100 lines
3.0 KiB
Python
import sys
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try:
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import curses
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except ImportError:
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curses = None # Compiled w/o curses
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from httpie.compat import is_windows
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from httpie.config import DEFAULT_CONFIG_DIR, Config
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from httpie.utils import repr_dict_nice
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class Environment(object):
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"""
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Information about the execution context
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(standard streams, config directory, etc).
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By default, it represents the actual environment.
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All of the attributes can be overwritten though, which
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is used by the test suite to simulate various scenarios.
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"""
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is_windows = is_windows
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config_dir = DEFAULT_CONFIG_DIR
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stdin = sys.stdin
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stdin_isatty = stdin.isatty()
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stdin_encoding = None
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stdout = sys.stdout
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stdout_isatty = stdout.isatty()
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stdout_encoding = None
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stderr = sys.stderr
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stderr_isatty = stderr.isatty()
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colors = 256
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if not is_windows:
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if curses:
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try:
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curses.setupterm()
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colors = curses.tigetnum('colors')
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except curses.error:
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pass
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else:
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# noinspection PyUnresolvedReferences
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import colorama.initialise
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stdout = colorama.initialise.wrap_stream(
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stdout, convert=None, strip=None,
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autoreset=True, wrap=True
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)
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stderr = colorama.initialise.wrap_stream(
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stderr, convert=None, strip=None,
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autoreset=True, wrap=True
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)
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del colorama
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def __init__(self, **kwargs):
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"""
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Use keyword arguments to overwrite
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any of the class attributes for this instance.
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"""
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assert all(hasattr(type(self), attr) for attr in kwargs.keys())
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self.__dict__.update(**kwargs)
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# Keyword arguments > stream.encoding > default utf8
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if self.stdin_encoding is None:
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self.stdin_encoding = getattr(
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self.stdin, 'encoding', None) or 'utf8'
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if self.stdout_encoding is None:
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actual_stdout = self.stdout
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if is_windows:
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# noinspection PyUnresolvedReferences
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from colorama import AnsiToWin32
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if isinstance(self.stdout, AnsiToWin32):
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actual_stdout = self.stdout.wrapped
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self.stdout_encoding = getattr(
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actual_stdout, 'encoding', None) or 'utf8'
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@property
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def config(self):
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if not hasattr(self, '_config'):
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self._config = Config(directory=self.config_dir)
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if self._config.is_new():
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self._config.save()
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else:
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self._config.load()
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return self._config
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def __str__(self):
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defaults = dict(type(self).__dict__)
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actual = dict(defaults)
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actual.update(self.__dict__)
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actual['config'] = self.config
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return repr_dict_nice(dict(
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(key, value)
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for key, value in actual.items()
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if not key.startswith('_'))
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)
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def __repr__(self):
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return '<{0} {1}>'.format(type(self).__name__, str(self))
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