Prevent more DeprecationWarnings

scrapy/core/downloader/handlers/ftp.py

@@ -59,7 +59,7 @@ class ReceivedDataProtocol(Protocol):
     def close(self):
         self.body.close() if self.filename else self.body.seek(0)
 
-_CODE_RE = re.compile("\d+")
+_CODE_RE = re.compile(r"\d+")
 
 
 class FTPDownloadHandler(object):

scrapy/core/downloader/handlers/http11.py

@@ -101,7 +101,7 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint):
     for it.
     """
 
-    _responseMatcher = re.compile(b'HTTP/1\.. (?P<status>\d{3})(?P<reason>.{,32})')
+    _responseMatcher = re.compile(br'HTTP/1\.. (?P<status>\d{3})(?P<reason>.{,32})')
 
     def __init__(self, reactor, host, port, proxyConf, contextFactory,
                  timeout=30, bindAddress=None):

scrapy/utils/template.py

@@ -18,7 +18,7 @@ def render_templatefile(path, **kwargs):
         os.remove(path)
 
 
-CAMELCASE_INVALID_CHARS = re.compile('[^a-zA-Z\d]')
+CAMELCASE_INVALID_CHARS = re.compile(r'[^a-zA-Z\d]')
 def string_camelcase(string):
     """ Convert a word  to its CamelCase version and remove invalid chars
 

tests/test_downloadermiddleware_cookies.py

@@ -13,7 +13,7 @@ from scrapy.downloadermiddlewares.cookies import CookiesMiddleware
 class CookiesMiddlewareTest(TestCase):
 
     def assertCookieValEqual(self, first, second, msg=None):
-        cookievaleq = lambda cv: re.split(';\s*', cv.decode('latin1'))
+        cookievaleq = lambda cv: re.split(r';\s*', cv.decode('latin1'))
         return self.assertEqual(
             sorted(cookievaleq(first)),
             sorted(cookievaleq(second)), msg)

tests/test_engine.py

@@ -40,9 +40,9 @@ class TestSpider(Spider):
     name = "scrapytest.org"
     allowed_domains = ["scrapytest.org", "localhost"]
 
-    itemurl_re = re.compile("item\d+.html")
-    name_re = re.compile("<h1>(.*?)</h1>", re.M)
-    price_re = re.compile(">Price: \$(.*?)<", re.M)
+    itemurl_re = re.compile(r"item\d+.html")
+    name_re = re.compile(r"<h1>(.*?)</h1>", re.M)
+    price_re = re.compile(r">Price: \$(.*?)<", re.M)
 
     item_cls = TestItem
 

tests/test_linkextractors.py

@@ -288,7 +288,7 @@ class Base:
             response = HtmlResponse("http://example.org/somepage/index.html", body=html, encoding='windows-1252')
 
             def process_value(value):
-                m = re.search("javascript:goToPage\('(.*?)'", value)
+                m = re.search(r"javascript:goToPage\('(.*?)'", value)
                 if m:
                     return m.group(1)
 

tests/test_loader.py

@@ -691,7 +691,7 @@ class SelectortemLoaderTest(unittest.TestCase):
         self.assertTrue(l.selector)
         l.add_css('url', 'a::attr(href)')
         self.assertEqual(l.get_output_value('url'), [u'http://www.scrapy.org'])
-        l.replace_css('url', 'a::attr(href)', re='http://www\.(.+)')
+        l.replace_css('url', 'a::attr(href)', re=r'http://www\.(.+)')
         self.assertEqual(l.get_output_value('url'), [u'scrapy.org'])
 
 

tests/test_utils_url.py

@@ -233,8 +233,8 @@ for k, args in enumerate ([
     setattr (GuessSchemeTest, t_method.__name__, t_method)
 
 # TODO: the following tests do not pass with current implementation
-for k, args in enumerate ([
-            ('C:\absolute\path\to\a\file.html',     'file://',
+for k, args in enumerate([
+            (r'C:\absolute\path\to\a\file.html', 'file://',
              'Windows filepath are not supported for scrapy shell'),
         ], start=1):
     t_method = create_skipped_scheme_t(args)