330 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			330 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
	
| """
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| Tested with coverage 2.85 and pygments 1.0
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| 
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| TODO:
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|     + 'html-output/*,cover' should be deleted
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|     + credits for coverage
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|     + credits for pygments
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|     + 'Install pygments' after ImportError is to less
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|     + is the way of determining DIR_CSS_RESOURCE ok?
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|     + write plugin test
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|     + '.coverage' still exists in py.test execution dir
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| """
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| 
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| import os
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| import sys
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| import re
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| import shutil
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| from StringIO import StringIO
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| 
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| import py
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| 
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| try:
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|     from pygments import highlight
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|     from pygments.lexers import get_lexer_by_name
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|     from pygments.formatters import HtmlFormatter
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| except ImportError:
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|     print "Install pygments" # XXX
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|     sys.exit(0)
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| 
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| 
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| DIR_CUR             = str(py.path.local())
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| REPORT_FILE         = os.path.join(DIR_CUR, '.coverage')
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| DIR_ANNOTATE_OUTPUT = os.path.join(DIR_CUR, '.coverage_annotate')
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| COVERAGE_MODULES    = set()
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| # coverage output parsing
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| REG_COVERAGE_SUMMARY  = re.compile('([a-z_\.]+) +([0-9]+) +([0-9]+) +([0-9]+%)')
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| REG_COVERAGE_SUMMARY_TOTAL  = re.compile('(TOTAL) +([0-9]+) +([0-9]+) +([0-9]+%)')
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| DEFAULT_COVERAGE_OUTPUT     = '.coverage_annotation'
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| # HTML output specific
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| DIR_CSS_RESOURCE    = os.path.dirname(__import__('pytest_coverage').__file__)
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| CSS_RESOURCE_FILES  = ['header_bg.jpg', 'links.gif']
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| 
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| COVERAGE_TERM_HEADER = "\nCOVERAGE INFORMATION\n" \
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|                         "====================\n"
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| HTML_INDEX_HEADER = '''<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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|         <html>
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|           <head>
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|           <title>py.test - Coverage Index</title>
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| 
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|           <style type="text/css">
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|           table {
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|          font-size:0.9em;
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|          font-family: Arial, Helvetica, verdana sans-serif;
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|          background-color:#fff;
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|          border-collapse: collapse;
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|          width: 500px;
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|         }
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|         caption {
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|          font-size: 25px;
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|          color: #1ba6b2;
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|          font-weight: bold;
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|          text-align: left;
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|          background: url(header_bg.jpg) no-repeat top left;
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|          padding: 10px;
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|          margin-bottom: 2px;
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|         }
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|         thead th {
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|          border-right: 1px solid #fff;
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|          color:#fff;
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|          text-align:center;
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|          padding:2px;
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|          text-transform:uppercase;
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|          height:25px;
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|          background-color: #a3c159;
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|          font-weight: normal;
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|         }
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|         tfoot {
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|          color:#1ba6b2;
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|          padding:2px;
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|          text-transform:uppercase;
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|          font-size:1.2em; 
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|          font-weigth: bold;
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|          margin-top:6px;
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|          border-top: 6px solid #e9f7f6;
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|         }
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|         tfoot td {
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|          text-align: left;
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|         }
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|         tbody tr {
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|          background-color:#fff;
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|          border-bottom: 1px solid #f0f0f0;
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|         }
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|         tbody td {
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|          color:#414141;
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|          padding:5px;
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|          text-align:left;
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|         }
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|         tbody th {
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|          text-align:left;
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|          padding:2px;
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|         }
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|         tbody td a, tbody th a {
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|          color:#6C8C37;
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|          text-decoration:none;
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|          font-weight:normal; 
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|          display:block;
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|          background: transparent url(links.gif) no-repeat 0% 50%;
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|          padding-left:15px;
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|         }
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|         tbody td a:hover, tbody th a:hover {
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|          color:#009193;
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|          text-decoration:none;
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|         }
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| 
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|         </style>
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| 
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|           </head>
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|           <body
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|           <table >
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|           <caption>Module Coverage</caption>
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|           <tbody>
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|             <thead>
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|             <tr>
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|               <th>Module</th>
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|               <th>Statements</th>
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|               <th>Executed</th>
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|               <th>Coverage</th>
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|             </tr>
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|             </thead>'''
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| HTML_INDEX_FOOTER = '''  </tbody>
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|           </table>
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|           </body>
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|         </html>'''
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| 
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| 
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| class CoverageHtmlFormatter(HtmlFormatter):
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|     """XXX: doc"""
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| 
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|     def __init__(self, *args, **kwargs):
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|         HtmlFormatter.__init__(self,*args, **kwargs)
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|         self.annotation_infos = kwargs.get('annotation_infos')
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| 
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|     def _highlight_lines(self, tokensource):
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|         """
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|         XXX: doc
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|         """
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| 
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|         hls = self.hl_lines
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|         self.annotation_infos = [None] + self.annotation_infos
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|         hls = [l for l, i in enumerate(self.annotation_infos) if i] 
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|         for i, (t, value) in enumerate(tokensource):
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|             if t != 1:
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|                 yield t, value
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|             if i + 1 in hls: # i + 1 because Python indexes start at 0
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|                 if self.annotation_infos[i+1] == "!":
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|                     yield 1, '<span style="background-color:#FFE5E5">%s</span>' \
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|                                           % value
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|                 elif self.annotation_infos[i+1] == ">":
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|                     yield 1, '<span style="background-color:#CCFFEB">%s</span>' \
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|                                           % value
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|                 else:
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|                     raise ValueError("HHAHA: %s" % self.annotation_infos[i+1])
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|             else:
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|                 yield 1, value
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| 
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| 
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| def _rename_annotation_files(module_list, dir_annotate_output):
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|     for m in module_list:
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|         mod_fpath = os.path.basename(m.__file__)
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|         if mod_fpath.endswith('pyc'):
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|             mod_fpath = mod_fpath[:-1]
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|         old = os.path.join(dir_annotate_output, '%s,cover'% mod_fpath)
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|         new = os.path.join(dir_annotate_output, '%s,cover'% m.__name__)
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|         if os.path.isfile(old):
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|             shutil.move(old, new)
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|             yield new
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| 
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| def _generate_module_coverage(mc_path, anotation_infos, src_lines):
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|     #XXX: doc
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|     
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|     code = "".join(src_lines)
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|     mc_path = "%s.html" % mc_path
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|     lexer = get_lexer_by_name("python", stripall=True)
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|     formatter = CoverageHtmlFormatter(linenos=True, noclasses=True,
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|             hl_lines=[1], annotation_infos=anotation_infos)
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|     result = highlight(code, lexer, formatter)
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|     fp = open(mc_path, 'w')
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|     fp.write(result)
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|     fp.close()
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| 
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| def _parse_modulecoverage(mc_fpath):
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|     #XXX: doc
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| 
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|     fd = open(mc_fpath, 'r')
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|     anotate_infos = []
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|     src_lines = []
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|     for line in fd.readlines():
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|         anotate_info = line[0:2].strip()
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|         if not anotate_info:
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|             anotate_info = None
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|         src_line = line[2:]
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|         anotate_infos.append(anotate_info)
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|         src_lines.append(src_line)
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|     return mc_fpath, anotate_infos, src_lines 
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| 
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| def _parse_coverage_summary(fd):
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|     """Parses coverage summary output."""
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| 
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|     if hasattr(fd, 'readlines'):
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|         fd.seek(0)
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|         for l in fd.readlines():
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|             m = REG_COVERAGE_SUMMARY.match(l)
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|             if m:
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|                 # yield name, stmts, execs, cover
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|                 yield m.group(1), m.group(2), m.group(3), m.group(4)
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|             else:
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|                 m = REG_COVERAGE_SUMMARY_TOTAL.match(l)
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|                 if m:
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|                     # yield name, stmts, execs, cover
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|                     yield m.group(1), m.group(2), m.group(3), m.group(4)
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| 
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| 
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| def _get_coverage_index(mod_name, stmts, execs, cover, annotation_dir):
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|     """
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|     Generates the index page where are all modulare coverage reports are
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|     linked.
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|     """
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| 
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|     if mod_name == 'TOTAL':
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|         return '<tfoot><tr style="text-align: center;font-weigth:bold;font-size:1.2em; "><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr></tfoot>\n' % (mod_name, stmts, execs, cover)
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|     covrep_fpath = os.path.join(annotation_dir, '%s,cover.html' % mod_name)
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|     assert os.path.isfile(covrep_fpath) == True
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|     fname = os.path.basename(covrep_fpath)
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|     modlink = '<a href="%s">%s</a>' % (fname, mod_name)
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|     return '<tr style="text-align: center;"><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>\n' % (modlink, stmts, execs, cover)
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| 
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| 
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| class CoveragePlugin:
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|     def pytest_addoption(self, parser):
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|         group = parser.addgroup('coverage options')
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|         group.addoption('-C', action='store_true', default=False,
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|                 dest = 'coverage',
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|                 help=('displays coverage information.'))
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|         group.addoption('--coverage-html', action='store', default=False,
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|                 dest='coverage_annotation',
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|                 help='path to the coverage HTML output dir.')
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|         group.addoption('--coverage-css-resourcesdir', action='store',
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|                 default=DIR_CSS_RESOURCE,
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|                 dest='coverage_css_ressourcedir',
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|                 help='path to dir with css-resources (%s) for '
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|                     'being copied to the HTML output dir.' % \
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|                             ", ".join(CSS_RESOURCE_FILES))
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| 
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|     def pytest_configure(self, config):
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|         if config.getvalue('coverage'):
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|             try:
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|                 import coverage
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|             except ImportError:
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|                 raise config.Error("To run use the coverage option you have to install " \
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|                         "Ned Batchelder's coverage: "\
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|                         "http://nedbatchelder.com/code/modules/coverage.html")
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|             self.coverage = coverage
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|             self.summary = None
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| 
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|     def pytest_terminal_summary(self, terminalreporter):
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|         if hasattr(self, 'coverage'):
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|             self.coverage.stop()
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|             module_list = [sys.modules[mod] for mod in COVERAGE_MODULES]
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|             module_list.sort()
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|             summary_fd  = StringIO()
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|             # get coverage reports by module list
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|             self.coverage.report(module_list, file=summary_fd) 
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|             summary = COVERAGE_TERM_HEADER + summary_fd.getvalue()
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|             terminalreporter._tw.write(summary)
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| 
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|             config = terminalreporter.config
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|             dir_annotate_output = config.getvalue('coverage_annotation')
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|             if dir_annotate_output:
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|                 if dir_annotate_output == "":
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|                     dir_annotate_output = DIR_ANNOTATE_OUTPUT
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|                 # create dir
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|                 if os.path.isdir(dir_annotate_output):
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|                     shutil.rmtree(dir_annotate_output)
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|                 os.mkdir(dir_annotate_output)
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|                 # generate annotation text files for later parsing
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|                 self.coverage.annotate(module_list, dir_annotate_output)
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|                 # generate the separate module coverage reports
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|                 for mc_fpath in _rename_annotation_files(module_list, \
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|                         dir_annotate_output):
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|                     # mc_fpath, anotate_infos, src_lines from _parse_do
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|                     _generate_module_coverage(*_parse_modulecoverage(mc_fpath))
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|                 # creating contents for the index pagee for coverage report
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|                 idxpage_html = StringIO()
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|                 idxpage_html.write(HTML_INDEX_HEADER)
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|                 total_sum = None
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|                 for args in _parse_coverage_summary(summary_fd):
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|                     # mod_name, stmts, execs, cover = args
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|                     idxpage_html.write(_get_coverage_index(*args, \
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|                             **dict(annotation_dir=dir_annotate_output)))
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|                 idxpage_html.write(HTML_INDEX_FOOTER)
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|                 idx_fpath = os.path.join(dir_annotate_output, 'index.html')
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|                 idx_fd = open(idx_fpath, 'w')
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|                 idx_fd.write(idxpage_html.getvalue())
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|                 idx_fd.close()
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| 
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|             dir_css_resource_dir = config.getvalue('coverage_css_ressourcedir')
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|             if dir_annotate_output and dir_css_resource_dir != "":
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|                 if not os.path.isdir(dir_css_resource_dir):
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|                     raise config.Error("CSS resource dir not found: '%s'" % \
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|                             dir_css_resource_dir)
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|                 for r in CSS_RESOURCE_FILES:
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|                     src = os.path.join(dir_css_resource_dir, r)
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|                     if os.path.isfile(src):
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|                         dest = os.path.join(dir_annotate_output, r)
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|                         shutil.copy(src, dest)
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| 
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|     def pytest_collectstart(self, collector):
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|         if isinstance(collector, py.__.test.pycollect.Module):
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|             COVERAGE_MODULES.update(getattr(collector.obj, 
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|                 'COVERAGE_MODULES', []))
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| 
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|     def pytest_testrunstart(self):
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|         print "self.coverage", self.coverage
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|         if hasattr(self, 'coverage'):
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|             print "START coverage"
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|             self.coverage.erase()
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|             self.coverage.start()
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| 
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| 
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