On 13/09/2019 00:04, Jared Stevens via blfs-support wrote:
> Hi all,
> 
> I am attempting to install the Python dependencies for Jinja2 as a dependency
> to install QtWebEngine-5.13.0, but I am encountering the following errors when
> attempting to install the Python2 module:
> 
> `python2 setup.py install --optimize=1`

Hmmm, where have you seen Jinja2 is a dependency of QtWebEngine?

> 
> [...]
>
> Processing dependencies for Jinja2==2.10.1
> Searching for MarkupSafe>=0.23
> Reading https://pypi.python.org/simple/MarkupSafe/

Looks like it is seeking https://pypi.python.org/simple/MarkupSafe/, while I
have found https://pypi.org/simple/markupsafe/

But I see on my own logs (from the end of August):
-----
Searching for MarkupSafe>=0.23
Reading https://pypi.org/simple/MarkupSafe/
Downloading
https://files.pythonhosted.org/packages/fb/40/f3adb7cf24a8012813c5edb20329eb22d5d8e2a0ecf73d21d6b85865da11/MarkupSafe-1.1.1-cp27-cp27mu-manylinux1_x86_64.whl#sha256=43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1
Best match: MarkupSafe 1.1.1
-----

> Download error on https://pypi.python.org/simple/MarkupSafe/: [Errno -3]
> Temporary failure in name resolution -- Some packages may not be found!

So, maybe the failure was really temporary.

> Couldn't find index page for 'MarkupSafe' (maybe misspelled?)
> Scanning index of all packages (this may take a while)
> Reading https://pypi.python.org/simple/
> Download error on https://pypi.python.org/simple/: [Errno -3] Temporary
> failure in name resolution -- Some packages may not be found!
> No local packages or working download links found for MarkupSafe>=0.23
> error: Could not find suitable distribution for
> Requirement.parse('MarkupSafe>=0.23')`
> 
> I have already installed the MarkupSafe-1.1.1 Python2 and Python3 modules with
> no errors as well as Python2 according to the BLFS-9.0-systemd book.
>
So, if you have installed it for Python2, it is amazing that it has not been
found... Don't know what to say. Note that I have the same "async" error as
you in my logs, but it does not seem to break the build.

Regards
Pierre
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