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allow use multiple extractors in TemplatePageExtractor #64

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Merged
merged 1 commit into from
Aug 20, 2014
Merged

allow use multiple extractors in TemplatePageExtractor #64

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20 changes: 14 additions & 6 deletions scrapely/extraction/regionextract.py
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Original file line number Diff line number Diff line change
Expand Up @@ -544,18 +544,26 @@ class TemplatePageExtractor(object):
"""Top level extractor for a template page"""

def __init__(self, template, extractors):
# fixme: handle multiple items per page
self.extractor = extractors[0]
self.extractors = extractors
self.template = template

def extract(self, page, start_index=0, end_index=None):
return self.extractor.extract(page, start_index, end_index, self.template.ignored_regions)

items = []
for extractor in self.extractors:
items.extend(extractor.extract(page, start_index, end_index, self.template.ignored_regions))
return [self._merge_list_dicts(items)]

def _merge_list_dicts(self, dicts):
res = {}
for d in dicts:
res.update(d)
return res

def __repr__(self):
return repr(self.extractor)
return repr(self.extractors)

def __str__(self):
return str(self.extractor)
return str(self.extractors)

# Based on nltk's WordPunctTokenizer
_tokenize = re.compile(r'\w+|[^\w\s]+', re.UNICODE | re.MULTILINE | re.DOTALL).findall
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