cap20: revisão de estilo completa

Author: ramalho

code/20-executors/demo_executor_map.py

@@ -10,12 +10,12 @@ def display(*args):  # <1>
     print(*args)
 
 def loiter(n):  # <2>
-    msg = '{}loiter({}): doing nothing for {}s...'
+    msg = '{}loiter({}): napping for {}s...'
     display(msg.format('\t'*n, n, n))
     sleep(n)
     msg = '{}loiter({}): done.'
     display(msg.format('\t'*n, n))
-    return n * 10  # <3>
+    return n + 10  # <3>
 
 def main():
     display('Script starting.')

code/20-executors/getflags/flags2_sequential.py

@@ -35,7 +35,10 @@ def get_flag(base_url: str, cc: str) -> bytes:
     resp.raise_for_status()  # <3>
     return resp.content
 
-def download_one(cc: str, base_url: str, verbose: bool = False) -> DownloadStatus:
+def download_one(
+        cc: str,
+        base_url: str,
+        verbose: bool = False) -> DownloadStatus:
     try:
         image = get_flag(base_url, cc)
     except httpx.HTTPStatusError as exc:  # <4>
@@ -69,7 +72,8 @@ def download_many(cc_list: list[str],
         try:
             status = download_one(cc, base_url, verbose)  # <4>
         except httpx.HTTPStatusError as exc:  # <5>
-            error_msg = 'HTTP error {resp.status_code} - {resp.reason_phrase}'
+            error_msg = ('HTTP error {resp.status_code}' +
+                         ' - {resp.reason_phrase}')
             error_msg = error_msg.format(resp=exc.response)
         except httpx.RequestError as exc:  # <6>
             error_msg = f'{exc} {type(exc)}'.strip()

code/20-executors/getflags/flags2_threadpool.py

@@ -50,7 +50,8 @@ def download_many(cc_list: list[str],
             try:
                 status = future.result()  # <12>
             except httpx.HTTPStatusError as exc:  # <13>
-                error_msg = 'HTTP error {resp.status_code} - {resp.reason_phrase}'
+                error_msg = ('HTTP error {resp.status_code}' +
+                             ' - {resp.reason_phrase}')
                 error_msg = error_msg.format(resp=exc.response)
             except httpx.RequestError as exc:
                 error_msg = f'{exc} {type(exc)}'.strip()

code/20-executors/getflags/flags_threadpool_futures.py

@@ -20,7 +20,7 @@ def download_many(cc_list: list[str]) -> int:
             to_do.append(future)  # <5>
             print(f'Scheduled for {cc}: {future}')  # <6>
 
-        for count, future in enumerate(futures.as_completed(to_do), 1):  # <7>
+        for count, future in enumerate(futures.as_completed(to_do), 1):# <7>
             res: str = future.result()  # <8>
             print(f'{future} result: {res!r}')  # <9>
 

code/20-executors/primes/proc_pool.py

@@ -32,7 +32,8 @@ def main() -> None:
     executor = futures.ProcessPoolExecutor(workers)  # <4>
     actual_workers = executor._max_workers  # type: ignore  # <5>
 
-    print(f'Checking {len(NUMBERS)} numbers with {actual_workers} processes:')
+    print(f'Checking {len(NUMBERS)} numbers',
+          f'with {actual_workers} processes:')
 
     t0 = perf_counter()
 

online/cap20.adoc

@@ -10,7 +10,7 @@ e faço as demais tarefas nestas cópias especiais para impressão.
 | 17| 18| 19| 20| 21| 22| 23| 24| local | tarefa |
 |:-:|:-:|:-:|:-:|:-:|:-:|:-:|:-:|-------|-------|
 |✅ |✅ |✅ |✅ |✅ |✅ |✅ |✅ |`/online`|encurtar links externos|
-|✅ |✅ |✅ |   |   |   |   |   |`/online`|revisar estilo|
+|✅ |✅ |✅ |✅ |   |   |   |   |`/online`|revisar estilo|
 |   |   |   |   |   |   |   |   |`/online`|revisar ortografia e gramática|
 |   |   |   |   |   |   |   |   |`/vol3`| refazer referências entre volumes|
 |   |   |   |   |   |   |   |   |`/vol3`| encurtar links entre volumes |