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不知道是這是問這個正確的地方：爲什麼配方bitbake的爲Python-CFFI失敗的do_fetch
我一直在努力，試圖創建配方編譯的python-CFFI爲多拉分支bitbake，並沒有運氣。似乎有幾個食譜，但沒有爲我工作。顯然源代碼gz文件處於奇怪的狀態，不能通過bitbake中的普通do_fetch命令獲取。
當使用這些bitbake的食譜爲出發點：
和
我修改代碼來創建一個新的配方被稱爲PYT hon-cffi_1.11.2.bb，那麼標準的do_fetch不會理解如何處理下載的gz文件。
這是配方bitbake的我使用（名爲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
我得到這個集生成錯誤消息的/ tmp /工作/armv7a-vfp-neon-poky-linux-gnueabi/python-cffi/1.11.2-r0/temp/log.do_fetch
顯然，fetcher獲取文件正確下載，但不知道該怎麼做它。 build/downloads目錄有文件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
...
我應該在bitbake配方中更改哪些內容，以便do_fetch能夠正確提取文件？我假設有一些後取指令步驟需要指定實際文件名爲cffi-1.11.2.tar.gz和而不是 md5哈希結尾的文件被掛起。這似乎是在尋找CFFI-1.11.2.tar.gz＃MD5 = a731487324b501c8295221b629d3f5f3代替CFFI-1.11.2.tar.gz
也許嘗試在「＃md5」之前停止網址（SRC_URI）？ –
感謝您的回覆......我嘗試了所有我能想到的組合。 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「'' –