BackTrackZ/scrapy
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Code Releases Wiki Activity

Log versions information at startup

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This commit is contained in:
Paul Tremberth 2017-07-27 17:30:30 +02:00
parent 5d9bac789d
commit 219c8aa0b6
2 changed files with 50 additions and 38 deletions
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40
scrapy/commands/version.py
View File

@ -1,12 +1,8 @@
from __future__ import print_function
import sys
import platform
import twisted
import OpenSSL
import scrapy
from scrapy.commands import ScrapyCommand
from scrapy.utils.log import scrapy_components_versions
class Command(ScrapyCommand):
@ -27,38 +23,8 @@ class Command(ScrapyCommand):
def run(self, args, opts):
if opts.verbose:
import cssselect
import parsel
import lxml.etree
import w3lib
lxml_version = ".".join(map(str, lxml.etree.LXML_VERSION))
libxml2_version = ".".join(map(str, lxml.etree.LIBXML_VERSION))
try:
w3lib_version = w3lib.__version__
except AttributeError:
w3lib_version = "<1.14.3"
print("Scrapy : %s" % scrapy.__version__)
print("lxml : %s" % lxml_version)
print("libxml2 : %s" % libxml2_version)
print("cssselect : %s" % cssselect.__version__)
print("parsel : %s" % parsel.__version__)
print("w3lib : %s" % w3lib_version)
print("Twisted : %s" % twisted.version.short())
print("Python : %s" % sys.version.replace("\n", "- "))
print("pyOpenSSL : %s" % self._get_openssl_version())
print("Platform : %s" % platform.platform())
for name, version in scrapy_components_versions():
print("%-9s : %s" % (name, version))
else:
print("Scrapy %s" % scrapy.__version__)
def _get_openssl_version(self):
try:
openssl = OpenSSL.SSL.SSLeay_version(OpenSSL.SSL.SSLEAY_VERSION)\
.decode('ascii', errors='replace')
# pyOpenSSL 0.12 does not expose openssl version
except AttributeError:
openssl = 'Unknown OpenSSL version'
return '{} ({})'.format(OpenSSL.version.__version__, openssl)

48
scrapy/utils/log.py
View File

@ -139,10 +139,56 @@ def _get_handler(settings):
return handler
def scrapy_components_versions():
import platform
import cssselect
import parsel
import lxml.etree
import twisted
import w3lib
lxml_version = ".".join(map(str, lxml.etree.LXML_VERSION))
libxml2_version = ".".join(map(str, lxml.etree.LIBXML_VERSION))
try:
w3lib_version = w3lib.__version__
except AttributeError:
w3lib_version = "<1.14.3"
return [
("Scrapy", scrapy.__version__),
("lxml", lxml_version),
("libxml2", libxml2_version),
("cssselect", cssselect.__version__),
("parsel", parsel.__version__),
("w3lib", w3lib_version),
("Twisted", twisted.version.short()),
("Python", sys.version.replace("\n", "- ")),
("pyOpenSSL", _get_openssl_version()),
("Platform", platform.platform()),
]
def _get_openssl_version():
try:
import OpenSSL
openssl = OpenSSL.SSL.SSLeay_version(OpenSSL.SSL.SSLEAY_VERSION)\
.decode('ascii', errors='replace')
# pyOpenSSL 0.12 does not expose openssl version
except AttributeError:
openssl = 'Unknown OpenSSL version'
return '{} ({})'.format(OpenSSL.version.__version__, openssl)
def log_scrapy_info(settings):
logger.info("Scrapy %(version)s started (bot: %(bot)s)",
{'version': scrapy.__version__, 'bot': settings['BOT_NAME']})
logger.info("Versions: %(versions)s}",
{'versions': ", ".join("%s %s" % (name, version)
for name, version in scrapy_components_versions()
if name != "Scrapy")})
d = dict(overridden_settings(settings))
logger.info("Overridden settings: %(settings)r", {'settings': d})