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不知道是这是问这个正确的地方：为什么配方bitbake的为Python-CFFI失败的do_fetch
我一直在努力，试图创建配方编译的python-CFFI为多拉分支bitbake，并没有运气。似乎有几个食谱，但没有为我工作。显然源代码gz文件处于奇怪的状态，不能通过bitbake中的普通do_fetch命令获取。
当使用这些bitbake的食谱为出发点：
和
我修改代码来创建一个新的配方被称为PYT hon-cffi_1.11.2.bb，那么标准的do_fetch不会理解如何处理下载的gz文件。
这是配方bitbake的我使用（名为python-cffi_1.11.2.bb）
SUMMARY = "Foreign Function Interface for Python calling C code"
# This is the format of the actual URI
SRC_URI = "https://pypi.python.org/packages/c9/70/89b68b6600d479034276fed316e14b9107d50a62f5627da37fafe083fde3/cffi-1.11.2.tar.gz#md5=a731487324b501c8295221b629d3f5f3"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://LICENSE;md5=5677e2fdbf7cdda61d6dd2b57df547bf"
DEPENDS += "libffi python-pycparser"
SRC_URI[md5sum] = "a731487324b501c8295221b629d3f5f3"
RDEPENDS_${PN}_class-target = "python-io "
BBCLASSEXTEND = "native nativesdk"
inherit pypi setuptools
我得到这个集生成错误消息的/ tmp /工作/armv7a-vfp-neon-poky-linux-gnueabi/python-cffi/1.11.2-r0/temp/log.do_fetch
显然，fetcher获取文件正确下载，但不知道该怎么做它。 build/downloads目录有文件cffi-1.11.2.tar.gz！
...
DEBUG: Trying Upstream
NOTE: fetch https://pypi.python.org/packages/c9/70/89b68b6600d479034276fed316e14b9107d50a62f5627da37fafe083fde3/cffi-1.11.2.tar.gz#md5=a731487324b501c8295221b629d3f5f3
DEBUG: executing /usr/bin/env wget -t 2 -T 30 -nv --passive-ftp --no-check-certificate -P /home/pjm/yocto-iscan/poky/build/downloads 'https://pypi.python.org/packages/c9/70/89b68b6600d479034276fed316e14b9107d50a62f5627da37fafe083fde3/cffi-1.11.2.tar.gz#md5=a731487324b501c8295221b629d3f5f3'
DEBUG: Fetcher accessed the network with the command /usr/bin/env wget -t 2 -T 30 -nv --passive-ftp --no-check-certificate -P /home/pjm/yocto-iscan/poky/build/downloads 'https://pypi.python.org/packages/c9/70/89b68b6600d479034276fed316e14b9107d50a62f5627da37fafe083fde3/cffi-1.11.2.tar.gz#md5=a731487324b501c8295221b629d3f5f3'
DEBUG: Running export SSH_AUTH_SOCK="/run/user/1000/keyring-1bn6Fg/ssh"; export PATH="/home/pjm/yocto-iscan/poky/build/tmp/sysroots/x86_64-linux/usr/bin/python-native:/home/pjm/yocto-iscan/poky/scripts:/home/pjm/yocto-iscan/poky/build/tmp/sysroots/x86_64-linux/usr/bin/armv7a-vfp-neon-poky-linux-gnueabi:/home/pjm/yocto-iscan/poky/build/tmp/sysroots/omap3logic/usr/bin/crossscripts:/home/pjm/yocto-iscan/poky/build/tmp/sysroots/x86_64-linux/usr/sbin:/home/pjm/yocto-iscan/poky/build/tmp/sysroots/x86_64-linux/usr/bin:/home/pjm/yocto-iscan/poky/build/tmp/sysroots/x86_64-linux/sbin:/home/pjm/yocto-iscan/poky/build/tmp/sysroots/x86_64-linux//bin:/home/pjm/yocto-iscan/poky/scripts:/home/pjm/yocto-iscan/poky/bitbake/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"; export HOME="/home/pjm"; /usr/bin/env wget -t 2 -T 30 -nv --passive-ftp --no-check-certificate -P /home/pjm/yocto-iscan/poky/build/downloads 'https://pypi.python.org/packages/c9/70/89b68b6600d479034276fed316e14b9107d50a62f5627da37fafe083fde3/cffi-1.11.2.tar.gz#md5=a731487324b501c8295221b629d3f5f3'
WARNING: Failed to fetch URL https://pypi.python.org/packages/c9/70/89b68b6600d479034276fed316e14b9107d50a62f5627da37fafe083fde3/cffi-1.11.2.tar.gz#md5=a731487324b501c8295221b629d3f5f3, attempting MIRRORS if available
DEBUG: Fetcher failure for URL: 'https://pypi.python.org/packages/c9/70/89b68b6600d479034276fed316e14b9107d50a62f5627da37fafe083fde3/cffi-1.11.2.tar.gz#md5=a731487324b501c8295221b629d3f5f3'. The fetch command returned success for url https://pypi.python.org/packages/c9/70/89b68b6600d479034276fed316e14b9107d50a62f5627da37fafe083fde3/cffi-1.11.2.tar.gz#md5=a731487324b501c8295221b629d3f5f3 but /home/pjm/yocto-iscan/poky/build/downloads/cffi-1.11.2.tar.gz#md5=a731487324b501c8295221b629d3f5f3 doesn't exist?!
DEBUG: Trying MIRRORS
...
我应该在bitbake配方中更改哪些内容，以便do_fetch能够正确提取文件？我假设有一些后取指令步骤需要指定实际文件名为cffi-1.11.2.tar.gz和而不是 md5哈希结尾的文件被挂起。这似乎是在寻找CFFI-1.11.2.tar.gz＃MD5 = a731487324b501c8295221b629d3f5f3代替CFFI-1.11.2.tar.gz
也许尝试在“＃md5”之前停止网址（SRC_URI）？ –
感谢您的回复......我尝试了所有我能想到的组合。 SRC_URI =“https://pypi.python.org/packages/cffi-1.11.1.tar.gz” SRC_URI =“https://pypi.python.org/pypi/cffi/1.11.1/cffi -1.11.1.tar.gz“ SRC_URI =”https://pypi.python.org/packages/70/72/c825b14b212fe61791c88e09cca65b26ea0b5e7ef6a4a2f979d338fbe38d/cffi-1.11.1.tar。GZ;的md5sum = 89dfa1bb3b3e28eafb5da3e345a19f56 “ SRC_URI =” http://pypi.pediapress.com/packages/mirror/cffi-1.11.1.tar.gz “ SRC_URI =” 文件：//python-cffi-1.11 .1.tar.gz “ –
''SRC_URI =” https://pypi.python.org/packages/c9/70/89b68b6600d479034276fed316e14b9107d50a62f5627da37fafe083fde3/cffi-1.11.2.tar.gz“'' –