mirror of
https://github.com/jazzband/django-analytical.git
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39c205f546
* Added Chartbeat. * Added settings context processor. * Added identification. * Prepared events. * Updated tests.
58 lines
2 KiB
Python
58 lines
2 KiB
Python
"""
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Google Analytics service.
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"""
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import re
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from analytical.services.base import AnalyticalService
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PROPERTY_ID_RE = re.compile(r'^UA-\d+-\d+$')
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SETUP_CODE = """
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<script type="text/javascript">
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var _gaq = _gaq || [];
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_gaq.push(['_setAccount', '%(property_id)s']);
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%(commands)s
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(function() {
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var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
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ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
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var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
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})();
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</script>
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"""
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TRACK_CODE = "_gaq.push(['_trackPageview']);"
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CUSTOM_VARS_CONTEXT_KEY = "google_analytics_custom_vars"
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CUSTOM_VAR_CODE = "_gaq.push(['_setCustomVar', %(index)d, '%(name)s', " \
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"'%(value)s', %(scope)d]);"
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class GoogleAnalyticsService(AnalyticalService):
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def __init__(self):
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self.property_id = self.get_required_setting(
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'GOOGLE_ANALYTICS_PROPERTY_ID', PROPERTY_ID_RE,
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"must be a string looking like 'UA-XXXXXX-Y'")
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def render_head_bottom(self, context):
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commands = self._get_custom_var_commands(context)
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commands.append(TRACK_CODE)
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return SETUP_CODE % {'property_id': self.property_id,
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'commands': " ".join(commands)}
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def _get_custom_var_commands(self, context):
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commands = []
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vardefs = context.get(CUSTOM_VARS_CONTEXT_KEY, [])
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for vardef in vardefs:
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index = vardef[0]
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if not 1 <= index <= 5:
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raise ValueError("Google Analytics custom variable index must "
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"be between 1 and 5: %s" % index)
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name = vardef[1]
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value = vardef[2]
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if len(vardef) >= 4:
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scope = vardef[3]
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else:
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scope = 2
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commands.append(CUSTOM_VAR_CODE % locals())
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return commands
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