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annotate env/lib/python3.7/site-packages/requests_toolbelt/sessions.py @ 3:758bc20232e8 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:20:52 -0400
parents 26e78fe6e8c4
children
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1 import requests
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2
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3 from ._compat import urljoin
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4
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6 class BaseUrlSession(requests.Session):
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7 """A Session with a URL that all requests will use as a base.
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8
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9 Let's start by looking at an example:
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10
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11 .. code-block:: python
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12
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13 >>> from requests_toolbelt import sessions
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14 >>> s = sessions.BaseUrlSession(
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15 ... base_url='https://example.com/resource/')
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16 >>> r = s.get('sub-resource/' params={'foo': 'bar'})
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17 >>> print(r.request.url)
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18 https://example.com/resource/sub-resource/?foo=bar
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19
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20 Our call to the ``get`` method will make a request to the URL passed in
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21 when we created the Session and the partial resource name we provide.
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22
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23 We implement this by overriding the ``request`` method so most uses of a
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24 Session are covered. (This, however, precludes the use of PreparedRequest
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25 objects).
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26
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27 .. note::
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28
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29 The base URL that you provide and the path you provide are **very**
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30 important.
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31
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32 Let's look at another *similar* example
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33
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34 .. code-block:: python
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35
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36 >>> from requests_toolbelt import sessions
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37 >>> s = sessions.BaseUrlSession(
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38 ... base_url='https://example.com/resource/')
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39 >>> r = s.get('/sub-resource/' params={'foo': 'bar'})
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40 >>> print(r.request.url)
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41 https://example.com/sub-resource/?foo=bar
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42
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43 The key difference here is that we called ``get`` with ``/sub-resource/``,
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44 i.e., there was a leading ``/``. This changes how we create the URL
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45 because we rely on :mod:`urllib.parse.urljoin`.
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46
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47 To override how we generate the URL, sub-class this method and override the
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48 ``create_url`` method.
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49
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50 Based on implementation from
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51 https://github.com/kennethreitz/requests/issues/2554#issuecomment-109341010
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52 """
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53
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54 base_url = None
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55
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56 def __init__(self, base_url=None):
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57 if base_url:
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58 self.base_url = base_url
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59 super(BaseUrlSession, self).__init__()
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60
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61 def request(self, method, url, *args, **kwargs):
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62 """Send the request after generating the complete URL."""
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63 url = self.create_url(url)
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64 return super(BaseUrlSession, self).request(
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65 method, url, *args, **kwargs
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66 )
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67
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68 def create_url(self, url):
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69 """Create the URL based off this partial path."""
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70 return urljoin(self.base_url, url)