Issue851 lock OWID coutry level vaccine data

[lisphilar]

Related issues

#851

What was changed

Lock "Our World In Data" vaccine dataset before calling DataLoader.vaccine() as well as "COVID-19 Data Hub" data. This was required to use local datasets at country level with VaccineData.

Not included in this pull request:

• VaccineData parses province level data
• Lock PCR data before calling DataLoader.pcr()

[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 1.06%.

Quality metrics	Before	After	Change
Complexity	2.71 ⭐	2.82 ⭐	0.11 👎
Method Length	61.05 ⭐	63.78 🙂	2.73 👎
Working memory	8.77 🙂	8.88 🙂	0.11 👎
Quality	69.80% 🙂	68.74% 🙂	-1.06% 👎

Other metrics	Before	After	Change
Lines	1530	1556	26

Changed files	Quality Before	Quality After	Quality Change
covsirphy/cleaning/cbase.py	68.75% 🙂	68.29% 🙂	-0.46% 👎
covsirphy/cleaning/population.py	73.41% 🙂	73.35% 🙂	-0.06% 👎
covsirphy/cleaning/vaccine_data.py	62.52% 🙂	60.72% 🙂	-1.80% 👎
covsirphy/loading/dataloader.py	71.70% 🙂	69.76% 🙂	-1.94% 👎
covsirphy/loading/db_base.py	86.33% ⭐	85.61% ⭐	-0.72% 👎
covsirphy/loading/db_covid19dh.py	63.54% 🙂	63.21% 🙂	-0.33% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
covsirphy/loading/dataloader.py	DataLoader.lock	5 ⭐	315 ⛔	13 😞	42.58% 😞	Try splitting into smaller methods. Extract out complex expressions
covsirphy/cleaning/vaccine_data.py	VaccineData._cleaning	5 ⭐	258 ⛔	13 😞	44.72% 😞	Try splitting into smaller methods. Extract out complex expressions
covsirphy/cleaning/cbase.py	CleaningBase._colored_map_global	6 ⭐	215 ⛔	11 😞	49.50% 😞	Try splitting into smaller methods. Extract out complex expressions
covsirphy/loading/dataloader.py	DataLoader.read_csv	7 ⭐	135 😞	14 😞	51.07% 🙂	Try splitting into smaller methods. Extract out complex expressions
covsirphy/loading/db_covid19dh.py	_COVID19dh._download	2 ⭐	210 ⛔	12 😞	52.05% 🙂	Try splitting into smaller methods. Extract out complex expressions

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• 🙂 good
• 😞 poor
• ⛔ very poor

The 👍 and 👎 indicate whether the quality has improved or gotten worse with this pull request.

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[codeclimate]

Code Climate has analyzed commit 66fc1aa and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 85.7% (50% is the threshold).

This pull request will bring the total coverage in the repository to 83.0% (-0.2% change).

View more on Code Climate.