httpie-cli/httpie/models.py
2012-07-26 07:23:00 +02:00

140 lines
4.1 KiB
Python

import os
import sys
from requests.compat import urlparse, is_windows
class Environment(object):
"""Holds information about the execution context.
Groups various aspects of the environment in a changeable object
and allows for mocking.
"""
stdin_isatty = sys.stdin.isatty()
stdin = sys.stdin
if is_windows:
# `colorama` patches `sys.stdout` so its initialization
# needs to happen before the default environment is set.
import colorama
colorama.init()
del colorama
stdout_isatty = sys.stdout.isatty()
stdout = sys.stdout
stderr = sys.stderr
# Can be set to 0 to disable colors completely.
colors = 256 if '256color' in os.environ.get('TERM', '') else 88
def __init__(self, **kwargs):
self.__dict__.update(**kwargs)
class HTTPMessage(object):
"""Model representing an HTTP message."""
def __init__(self, line, headers, body, content_type=None):
# {Request,Status}-Line
self.line = line
self.headers = headers
self.body = body
self.content_type = content_type
def format(self, prettifier=None, with_headers=True, with_body=True):
"""Return a `unicode` representation of `self`. """
pretty = prettifier is not None
bits = []
if with_headers:
bits.append(self.line)
bits.append(self.headers)
if pretty:
bits = [
prettifier.process_headers('\n'.join(bits))
]
if with_body and self.body:
bits.append('\n')
if with_body and self.body:
if pretty and self.content_type:
bits.append(prettifier.process_body(
self.body, self.content_type))
else:
bits.append(self.body)
return '\n'.join(bit.strip() for bit in bits)
@staticmethod
def from_request(request):
"""Make an `HTTPMessage` from `requests.models.Request`."""
url = urlparse(request.url)
# Querystring
qs = ''
if url.query or request.params:
qs = '?'
if url.query:
qs += url.query
# Requests doesn't make params part of ``request.url``.
if request.params:
if url.query:
qs += '&'
#noinspection PyUnresolvedReferences
qs += type(request)._encode_params(request.params)
# Request-Line
request_line = '{method} {path}{query} HTTP/1.1'.format(
method=request.method,
path=url.path or '/',
query=qs
)
# Headers
headers = dict(request.headers)
content_type = headers.get('Content-Type')
if 'Host' not in headers:
headers['Host'] = url.netloc
headers = '\n'.join(
str('%s: %s') % (name, value)
for name, value
in headers.items()
)
# Body
try:
body = request.data
except AttributeError:
# requests < 0.12.1
body = request._enc_data
if isinstance(body, dict):
#noinspection PyUnresolvedReferences
body = type(request)._encode_params(body)
return HTTPMessage(
line=request_line,
headers=headers,
body=body,
content_type=content_type
)
@classmethod
def from_response(cls, response):
"""Make an `HTTPMessage` from `requests.models.Response`."""
encoding = response.encoding or 'ISO-8859-1'
original = response.raw._original_response
response_headers = response.headers
status_line = 'HTTP/{version} {status} {reason}'.format(
version='.'.join(str(original.version)),
status=original.status,
reason=original.reason
)
body = response.content.decode(encoding) if response.content else ''
return cls(
line=status_line,
headers=str(original.msg),
body=body,
content_type=response_headers.get('Content-Type'))