🌐Weekly News Digest [ March 2 – March 8 ]
That was a week when a wider Gulf war sent oil prices jumping, while Central Africa’s mineral struggle spilled into sanctions and landslides.
💡...And here are more key highlights:
🇨🇩 DR Congo
— A landslide at the Rubaya mine leaves hundreds of people dead
— A third Rubaya-area landslide in 38 days hits Gakombe after heavy rains
🇬🇭 Ghana
— Ghana faces joint US-China pressure to drop a 5%-12% gold royalty scale
🇳🇪 Niger
— Niger cancels three gold-refinery agreements after repeated alleged contract breaches
🇳🇬 Nigeria
— Nigeria signs a $1.3bn alumina refinery pact with AFC
— Ogoniland groups say oil restart must wait for cleanup and justice
🇷🇼 Rwanda
— The US sanctions Rwanda’s army and four officers over support for M23
🇿🇦 South Africa
— South Africa expands illegal-mining raids and lines up military support
🇿🇲 Zambia
— Kasumbalesa bridge collapse cuts Congo’s main copper export route to southern ports
🇿🇼 Zimbabwe
— A Zimbabwe court jails a Chinese mine supervisor five years over a gold panner’s killing
🌍 Global
— Oil prices jump 12% as Gulf escalation triggers fuel-supply fears
#NewsDigest
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https://docs.python.org/3/library/subprocess.html
The #subprocess module allows you to spawn new #processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older #modules and #functions.
#python
https://pymotw.com/3/asyncio/executors.html
Combining Coroutines with Threads and Processes
A lot of existing libraries are not ready to be used with #asyncio natively. They may block, or depend on concurrency features not available through the module. It is still possible to use those libraries in an application based on asyncio by using an #executor from #concurrent.futures to run the code either in a separate thread or a separate process.
#Threads
The #run_in_executor() method of the event loop takes an executor instance, a regular callable to invoke, and any arguments to be passed to the callable. It returns a Future that can be used to wait for the function to finish its work and return something. If no executor is passed in, a #ThreadPoolExecutor is created. This example explicitly creates an executor to limit the number of worker threads it will have available.
#Processes
A ProcessPoolExecutor works in much the same way, creating a set of worker #processes instead of threads. Using separate processes requires more system resources, but for computationally-intensive operations it can make sense to run a separate task on each CPU core.
#learn