From 40086dabb85a7c463f5a479e0c32d94c0b9463af Mon Sep 17 00:00:00 2001
From: Eugenio Lacuesta <eugenio.lacuesta@gmail.com>
Date: Sat, 13 Jul 2019 20:57:24 -0300
Subject: [PATCH] Prevent more DeprecationWarnings

---
 scrapy/core/downloader/handlers/ftp.py     | 2 +-
 scrapy/core/downloader/handlers/http11.py  | 2 +-
 scrapy/utils/template.py                   | 2 +-
 tests/test_downloadermiddleware_cookies.py | 2 +-
 tests/test_engine.py                       | 6 +++---
 tests/test_linkextractors.py               | 2 +-
 tests/test_loader.py                       | 2 +-
 tests/test_utils_url.py                    | 4 ++--
 8 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py
index c342d4ab1..806a537d4 100644
--- a/scrapy/core/downloader/handlers/ftp.py
+++ b/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):
diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py
index 74ef82874..cbaa36b2d 100644
--- a/scrapy/core/downloader/handlers/http11.py
+++ b/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):
diff --git a/scrapy/utils/template.py b/scrapy/utils/template.py
index 1d7bd006c..615372fc8 100644
--- a/scrapy/utils/template.py
+++ b/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
 
diff --git a/tests/test_downloadermiddleware_cookies.py b/tests/test_downloadermiddleware_cookies.py
index 17801e502..04884fb78 100644
--- a/tests/test_downloadermiddleware_cookies.py
+++ b/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)
diff --git a/tests/test_engine.py b/tests/test_engine.py
index 856465161..30150391a 100644
--- a/tests/test_engine.py
+++ b/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
 
diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py
index c9cd629f4..d96e259f6 100644
--- a/tests/test_linkextractors.py
+++ b/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)
 
diff --git a/tests/test_loader.py b/tests/test_loader.py
index ce0fa0701..2725b001a 100644
--- a/tests/test_loader.py
+++ b/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'])
 
 
diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py
index c2b9fc176..e6588055c 100644
--- a/tests/test_utils_url.py
+++ b/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)