Validate project and repo names for apply and init commands

[tedhtchang]

Signed-off-by: ted chang htchang@us.ibm.com

Validate project and project directory names contain only alphanumerical values and underscores.
Fixes #1545

Does this PR introduce a user-facing change?:

Validate project and repository names for apply and init commands

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[woop]

/lgtm

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[dmatrix]

@tedhtchang @woop
Would it make sense to make it airtight by ensuring that no names start with "_<table_name>" as SQLite, I believe, disallows _sqlite_table_name or _table_name. WDYT?

(And a minor nit: Python style suggests that boolean functions
conventionally are isdigit() isalpha(), islower() etc. Should this be renamed as is_valid_name() ? ) Up to you guys. :-)

def not_valid_name(name: str) -> bool:    
"""Test project or repo names. True if names have characters other than alphanumeric values and underscores"""    return 
     return name.startswith("_") or re.compile(r"\W+").search(name) is not None

[woop]

@tedhtchang @woop
Would it make sense to make it airtight by ensuring that no names start with "_<table_name>" as SQLite, I believe, disallows _sqlite_table_name or _table_name. WDYT?

(And a minor nit: Python style suggests that boolean functions
conventionally are isdigit() isalpha(), islower() etc. Should this be renamed as is_valid_name() ? ) Up to you guys. :-)

def not_valid_name(name: str) -> bool:    
"""Test project or repo names. True if names have characters other than alphanumeric values and underscores"""    return 
     return name.startswith("_") or re.compile(r"\W+").search(name) is not None

Yea, both suggestions make sense to me

[tedhtchang]

@woop @dmatrix i will work on it.